Added Gesture Recognizer C API and tests
This commit is contained in:
parent
e7edd97eff
commit
17c0c960be
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@ -43,6 +43,33 @@ cc_test(
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],
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)
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cc_library(
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name = "landmark",
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hdrs = ["landmark.h"],
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)
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cc_library(
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name = "landmark_converter",
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srcs = ["landmark_converter.cc"],
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hdrs = ["landmark_converter.h"],
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deps = [
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":landmark",
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"//mediapipe/tasks/cc/components/containers:landmark",
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],
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)
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cc_test(
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name = "landmark_converter_test",
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srcs = ["landmark_converter_test.cc"],
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deps = [
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":landmark",
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":landmark_converter",
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"//mediapipe/framework/port:gtest",
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"//mediapipe/tasks/cc/components/containers:landmark",
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"@com_google_googletest//:gtest_main",
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],
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)
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cc_library(
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name = "classification_result",
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hdrs = ["classification_result.h"],
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@ -121,3 +148,28 @@ cc_test(
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"@com_google_googletest//:gtest_main",
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],
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)
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cc_library(
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name = "gesture_recognizer_result_converter",
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srcs = ["gesture_recognizer_result_converter.cc"],
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hdrs = ["gesture_recognizer_result_converter.h"],
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deps = [
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":category_converter",
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":landmark_converter",
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"//mediapipe/tasks/c/vision/gesture_recognizer:gesture_recognizer_result",
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"//mediapipe/tasks/cc/vision/gesture_recognizer:gesture_recognizer_result",
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],
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)
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cc_test(
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name = "gesture_recognizer_result_converter_test",
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srcs = ["gesture_recognizer_result_converter_test.cc"],
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linkstatic = 1,
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deps = [
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":gesture_recognizer_result_converter",
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"//mediapipe/framework/port:gtest",
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"//mediapipe/tasks/c/vision/gesture_recognizer:gesture_recognizer_result",
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"//mediapipe/tasks/cc/vision/gesture_recognizer:gesture_recognizer_result",
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"@com_google_googletest//:gtest_main",
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],
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)
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@ -0,0 +1,181 @@
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/* Copyright 2023 The MediaPipe Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "mediapipe/tasks/c/components/containers/gesture_recognizer_result_converter.h"
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#include <cstdint>
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#include <cstdlib>
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#include "mediapipe/tasks/c/components/containers/category_converter.h"
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#include "mediapipe/tasks/c/components/containers/landmark_converter.h"
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#include "mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer_result.h"
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#include "mediapipe/tasks/cc/vision/gesture_recognizer/gesture_recognizer_result.h"
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namespace mediapipe::tasks::c::components::containers {
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using CppCategory = ::mediapipe::tasks::components::containers::Category;
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using CppLandmark = ::mediapipe::tasks::components::containers::Landmark;
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using CppNormalizedLandmark =
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::mediapipe::tasks::components::containers::NormalizedLandmark;
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void CppConvertToGestureRecognizerResult(
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const mediapipe::tasks::vision::gesture_recognizer::GestureRecognizerResult&
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in,
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GestureRecognizerResult* out) {
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out->gestures_count = in.gestures.size();
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out->gestures = new Category*[out->gestures_count];
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out->gestures_categories_counts = new uint32_t[out->gestures_count];
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for (uint32_t i = 0; i < out->gestures_count; ++i) {
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uint32_t categories_count = in.gestures[i].classification_size();
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out->gestures_categories_counts[i] = categories_count;
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out->gestures[i] = new Category[categories_count];
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for (uint32_t j = 0; j < categories_count; ++j) {
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const auto& classification = in.gestures[i].classification(j);
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CppCategory cpp_category;
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// Set fields from the Classification protobuf
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if (classification.has_index()) {
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cpp_category.index = classification.index();
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}
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if (classification.has_score()) {
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cpp_category.score = classification.score();
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}
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if (classification.has_label()) {
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cpp_category.category_name = classification.label();
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}
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if (classification.has_display_name()) {
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cpp_category.display_name = classification.display_name();
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}
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CppConvertToCategory(cpp_category, &out->gestures[i][j]);
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}
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}
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out->handedness_count = in.handedness.size();
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out->handedness = new Category*[out->handedness_count];
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out->handedness_categories_counts = new uint32_t[out->handedness_count];
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for (uint32_t i = 0; i < out->handedness_count; ++i) {
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uint32_t categories_count = in.handedness[i].classification_size();
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out->handedness_categories_counts[i] = categories_count;
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out->handedness[i] = new Category[categories_count];
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for (uint32_t j = 0; j < categories_count; ++j) {
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const auto& classification = in.handedness[i].classification(j);
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CppCategory cpp_category;
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// Set fields from the Classification protobuf
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if (classification.has_index()) {
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cpp_category.index = classification.index();
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}
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if (classification.has_score()) {
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cpp_category.score = classification.score();
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}
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if (classification.has_label()) {
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cpp_category.category_name = classification.label();
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}
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if (classification.has_display_name()) {
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cpp_category.display_name = classification.display_name();
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}
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CppConvertToCategory(cpp_category, &out->handedness[i][j]);
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}
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}
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out->hand_landmarks_count = in.hand_landmarks.size();
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out->hand_landmarks = new NormalizedLandmarks[out->hand_landmarks_count];
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for (uint32_t i = 0; i < out->hand_landmarks_count; ++i) {
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std::vector<CppNormalizedLandmark> cpp_normalized_landmarks;
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for (uint32_t j = 0; j < in.hand_landmarks[i].landmark_size(); ++j) {
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const auto& landmark = in.hand_landmarks[i].landmark(j);
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CppNormalizedLandmark cpp_landmark;
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cpp_landmark.x = landmark.x();
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cpp_landmark.y = landmark.y();
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cpp_landmark.z = landmark.z();
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if (landmark.has_presence()) {
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cpp_landmark.presence = landmark.presence();
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}
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if (landmark.has_visibility()) {
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cpp_landmark.visibility = landmark.visibility();
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}
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cpp_normalized_landmarks.push_back(cpp_landmark);
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}
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CppConvertToNormalizedLandmarks(cpp_normalized_landmarks,
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&out->hand_landmarks[i]);
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}
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out->hand_world_landmarks_count = in.hand_world_landmarks.size();
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out->hand_world_landmarks = new Landmarks[out->hand_world_landmarks_count];
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for (uint32_t i = 0; i < out->hand_world_landmarks_count; ++i) {
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std::vector<CppLandmark> cpp_landmarks;
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for (uint32_t j = 0; j < in.hand_world_landmarks[i].landmark_size(); ++j) {
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const auto& landmark = in.hand_world_landmarks[i].landmark(j);
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CppLandmark cpp_landmark;
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cpp_landmark.x = landmark.x();
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cpp_landmark.y = landmark.y();
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cpp_landmark.z = landmark.z();
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if (landmark.has_presence()) {
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cpp_landmark.presence = landmark.presence();
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}
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if (landmark.has_visibility()) {
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cpp_landmark.visibility = landmark.visibility();
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}
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cpp_landmarks.push_back(cpp_landmark);
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}
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CppConvertToLandmarks(cpp_landmarks, &out->hand_world_landmarks[i]);
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}
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}
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void CppCloseGestureRecognizerResult(GestureRecognizerResult* result) {
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for (uint32_t i = 0; i < result->gestures_count; ++i) {
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for (uint32_t j = 0; j < result->gestures_categories_counts[i]; ++j) {
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CppCloseCategory(&result->gestures[i][j]);
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}
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delete[] result->gestures[i];
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}
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delete[] result->gestures;
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for (uint32_t i = 0; i < result->handedness_count; ++i) {
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for (uint32_t j = 0; j < result->handedness_categories_counts[i]; ++j) {
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CppCloseCategory(&result->handedness[i][j]);
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}
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delete[] result->handedness[i];
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}
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delete[] result->handedness;
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for (uint32_t i = 0; i < result->hand_landmarks_count; ++i) {
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CppCloseNormalizedLandmarks(&result->hand_landmarks[i]);
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}
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delete[] result->hand_landmarks;
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for (uint32_t i = 0; i < result->hand_world_landmarks_count; ++i) {
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CppCloseLandmarks(&result->hand_world_landmarks[i]);
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}
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delete[] result->hand_world_landmarks;
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result->gestures = nullptr;
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result->handedness = nullptr;
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result->hand_landmarks = nullptr;
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result->hand_world_landmarks = nullptr;
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result->gestures_count = 0;
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result->handedness_count = 0;
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result->hand_landmarks_count = 0;
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result->hand_world_landmarks_count = 0;
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}
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} // namespace mediapipe::tasks::c::components::containers
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@ -0,0 +1,33 @@
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/* Copyright 2023 The MediaPipe Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_GESTURE_RECOGNIZER_RESULT_CONVERTER_H_
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#define MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_GESTURE_RECOGNIZER_RESULT_CONVERTER_H_
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#include "mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer_result.h"
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#include "mediapipe/tasks/cc/vision/gesture_recognizer/gesture_recognizer_result.h"
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namespace mediapipe::tasks::c::components::containers {
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void CppConvertToGestureRecognizerResult(
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const mediapipe::tasks::vision::gesture_recognizer::GestureRecognizerResult&
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in,
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GestureRecognizerResult* out);
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void CppCloseGestureRecognizerResult(GestureRecognizerResult* result);
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} // namespace mediapipe::tasks::c::components::containers
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#endif // MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_GESTURE_RECOGNIZER_RESULT_CONVERTER_H_
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@ -0,0 +1,24 @@
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/* Copyright 2023 The MediaPipe Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "mediapipe/tasks/c/components/containers/gesture_recognizer_result_converter.h"
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#include "mediapipe/framework/port/gtest.h"
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#include "mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer_result.h"
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#include "mediapipe/tasks/cc/vision/gesture_recognizer/gesture_recognizer_result.h"
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namespace mediapipe::tasks::c::components::containers {
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} // namespace mediapipe::tasks::c::components::containers
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90
mediapipe/tasks/c/components/containers/landmark.h
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90
mediapipe/tasks/c/components/containers/landmark.h
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/* Copyright 2023 The MediaPipe Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_LANDMARK_H_
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#define MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_LANDMARK_H_
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Landmark represents a point in 3D space with x, y, z coordinates. The
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// landmark coordinates are in meters. z represents the landmark depth, and the
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// smaller the value the closer the world landmark is to the camera.
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struct Landmark {
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float x;
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float y;
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float z;
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// For optional visibility.
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bool has_visibility;
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// Landmark visibility. Should stay unset if not supported.
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// Float score of whether landmark is visible or occluded by other objects.
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// Landmark considered as invisible also if it is not present on the screen
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// (out of scene bounds). Depending on the model, visibility value is either
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// a sigmoid or an argument of sigmoid.
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float visibility;
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// For optional presence.
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bool has_presence;
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// Landmark presence. Should stay unset if not supported.
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// Float score of whether landmark is present on the scene (located within
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// scene bounds). Depending on the model, presence value is either a result
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// of sigmoid or an argument of sigmoid function to get landmark presence
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// probability.
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float presence;
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// Landmark name. Should stay unset if not supported.
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// Defaults to nullptr.
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char* name;
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};
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// A normalized version of above Landmark struct. All coordinates should be
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// within [0, 1].
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struct NormalizedLandmark {
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float x;
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float y;
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float z;
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bool has_visibility;
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float visibility;
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bool has_presence;
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float presence;
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char* name;
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};
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// A list of Landmarks.
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struct Landmarks {
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struct Landmark* landmarks;
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uint32_t landmarks_count;
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};
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// A list of NormalizedLandmarks.
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struct NormalizedLandmarks {
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struct NormalizedLandmark* landmarks;
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uint32_t landmarks_count;
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};
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#ifdef __cplusplus
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} // extern C
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#endif
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#endif // MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_LANDMARK_H_
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132
mediapipe/tasks/c/components/containers/landmark_converter.cc
Normal file
132
mediapipe/tasks/c/components/containers/landmark_converter.cc
Normal file
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/* Copyright 2023 The MediaPipe Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
|
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You may obtain a copy of the License at
|
||||
|
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http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
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#include "mediapipe/tasks/c/components/containers/landmark_converter.h"
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#include <cstring>
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#include "mediapipe/tasks/c/components/containers/landmark.h"
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typedef Landmark LandmarkC;
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typedef NormalizedLandmark NormalizedLandmarkC;
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typedef Landmarks LandmarksC;
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typedef NormalizedLandmarks NormalizedLandmarksC;
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#include "mediapipe/tasks/cc/components/containers/landmark.h"
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namespace mediapipe::tasks::c::components::containers {
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void CppConvertToLandmark(
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const mediapipe::tasks::components::containers::Landmark& in,
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LandmarkC* out) {
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out->x = in.x;
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out->y = in.y;
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out->z = in.z;
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if (in.visibility.has_value()) {
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out->has_visibility = true;
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out->visibility = in.visibility.value();
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} else {
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out->has_visibility = false;
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}
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if (in.presence.has_value()) {
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out->has_presence = true;
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out->presence = in.presence.value();
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} else {
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out->has_presence = false;
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}
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out->name = in.name.has_value() ? strdup(in.name->c_str()) : nullptr;
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}
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void CppConvertToNormalizedLandmark(
|
||||
const mediapipe::tasks::components::containers::NormalizedLandmark& in,
|
||||
NormalizedLandmarkC* out) {
|
||||
out->x = in.x;
|
||||
out->y = in.y;
|
||||
out->z = in.z;
|
||||
|
||||
if (in.visibility.has_value()) {
|
||||
out->has_visibility = true;
|
||||
out->visibility = in.visibility.value();
|
||||
} else {
|
||||
out->has_visibility = false;
|
||||
}
|
||||
|
||||
if (in.presence.has_value()) {
|
||||
out->has_presence = true;
|
||||
out->presence = in.presence.value();
|
||||
} else {
|
||||
out->has_presence = false;
|
||||
}
|
||||
|
||||
out->name = in.name.has_value() ? strdup(in.name->c_str()) : nullptr;
|
||||
}
|
||||
|
||||
void CppConvertToLandmarks(
|
||||
const std::vector<mediapipe::tasks::components::containers::Landmark>& in,
|
||||
LandmarksC* out) {
|
||||
out->landmarks_count = in.size();
|
||||
out->landmarks = new LandmarkC[out->landmarks_count];
|
||||
for (uint32_t i = 0; i < out->landmarks_count; ++i) {
|
||||
CppConvertToLandmark(in[i], &out->landmarks[i]);
|
||||
}
|
||||
}
|
||||
|
||||
void CppConvertToNormalizedLandmarks(
|
||||
const std::vector<
|
||||
mediapipe::tasks::components::containers::NormalizedLandmark>& in,
|
||||
NormalizedLandmarksC* out) {
|
||||
out->landmarks_count = in.size();
|
||||
out->landmarks = new NormalizedLandmarkC[out->landmarks_count];
|
||||
for (uint32_t i = 0; i < out->landmarks_count; ++i) {
|
||||
CppConvertToNormalizedLandmark(in[i], &out->landmarks[i]);
|
||||
}
|
||||
}
|
||||
|
||||
void CppCloseLandmark(LandmarkC* in) {
|
||||
if (in && in->name) {
|
||||
free(in->name);
|
||||
in->name = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
void CppCloseLandmarks(LandmarksC* in) {
|
||||
for (uint32_t i = 0; i < in->landmarks_count; ++i) {
|
||||
CppCloseLandmark(&in->landmarks[i]);
|
||||
}
|
||||
delete[] in->landmarks;
|
||||
in->landmarks = nullptr;
|
||||
in->landmarks_count = 0;
|
||||
}
|
||||
|
||||
void CppCloseNormalizedLandmark(NormalizedLandmarkC* in) {
|
||||
if (in && in->name) {
|
||||
free(in->name);
|
||||
in->name = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
void CppCloseNormalizedLandmarks(NormalizedLandmarksC* in) {
|
||||
for (uint32_t i = 0; i < in->landmarks_count; ++i) {
|
||||
CppCloseNormalizedLandmark(&in->landmarks[i]);
|
||||
}
|
||||
delete[] in->landmarks;
|
||||
in->landmarks = nullptr;
|
||||
in->landmarks_count = 0;
|
||||
}
|
||||
|
||||
} // namespace mediapipe::tasks::c::components::containers
|
51
mediapipe/tasks/c/components/containers/landmark_converter.h
Normal file
51
mediapipe/tasks/c/components/containers/landmark_converter.h
Normal file
|
@ -0,0 +1,51 @@
|
|||
/* Copyright 2023 The MediaPipe Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
#ifndef MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_LANDMARK_CONVERTER_H_
|
||||
#define MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_LANDMARK_CONVERTER_H_
|
||||
|
||||
#include "mediapipe/tasks/c/components/containers/landmark.h"
|
||||
#include "mediapipe/tasks/cc/components/containers/landmark.h"
|
||||
|
||||
namespace mediapipe::tasks::c::components::containers {
|
||||
|
||||
void CppConvertToLandmark(
|
||||
const mediapipe::tasks::components::containers::Landmark& in,
|
||||
Landmark* out);
|
||||
|
||||
void CppConvertToNormalizedLandmark(
|
||||
const mediapipe::tasks::components::containers::NormalizedLandmark& in,
|
||||
NormalizedLandmark* out);
|
||||
|
||||
void CppConvertToLandmarks(
|
||||
const std::vector<mediapipe::tasks::components::containers::Landmark>& in,
|
||||
Landmarks* out);
|
||||
|
||||
void CppConvertToNormalizedLandmarks(
|
||||
const std::vector<
|
||||
mediapipe::tasks::components::containers::NormalizedLandmark>& in,
|
||||
NormalizedLandmarks* out);
|
||||
|
||||
void CppCloseLandmark(struct Landmark* in);
|
||||
|
||||
void CppCloseLandmarks(struct Landmarks* in);
|
||||
|
||||
void CppCloseNormalizedLandmark(struct NormalizedLandmark* in);
|
||||
|
||||
void CppCloseNormalizedLandmarks(struct NormalizedLandmarks* in);
|
||||
|
||||
} // namespace mediapipe::tasks::c::components::containers
|
||||
|
||||
#endif // MEDIAPIPE_TASKS_C_COMPONENTS_CONTAINERS_LANDMARK_CONVERTER_H_
|
|
@ -0,0 +1,28 @@
|
|||
/* Copyright 2023 The MediaPipe Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
#include "mediapipe/tasks/c/components/containers/landmark_converter.h"
|
||||
|
||||
#include <cstdlib>
|
||||
#include <optional>
|
||||
#include <string>
|
||||
|
||||
#include "mediapipe/framework/port/gtest.h"
|
||||
#include "mediapipe/tasks/c/components/containers/landmark.h"
|
||||
#include "mediapipe/tasks/cc/components/containers/landmark.h"
|
||||
|
||||
namespace mediapipe::tasks::c::components::containers {
|
||||
|
||||
} // namespace mediapipe::tasks::c::components::containers
|
76
mediapipe/tasks/c/vision/gesture_recognizer/BUILD
Normal file
76
mediapipe/tasks/c/vision/gesture_recognizer/BUILD
Normal file
|
@ -0,0 +1,76 @@
|
|||
# Copyright 2023 The MediaPipe Authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
package(default_visibility = ["//mediapipe/tasks:internal"])
|
||||
|
||||
licenses(["notice"])
|
||||
|
||||
cc_library(
|
||||
name = "gesture_recognizer_result",
|
||||
hdrs = ["gesture_recognizer_result.h"],
|
||||
visibility = ["//visibility:public"],
|
||||
deps = [
|
||||
"//mediapipe/tasks/c/components/containers:category",
|
||||
"//mediapipe/tasks/c/components/containers:landmark",
|
||||
"//mediapipe/tasks/c/vision/core:common",
|
||||
],
|
||||
)
|
||||
|
||||
cc_library(
|
||||
name = "gesture_recognizer_lib",
|
||||
srcs = ["gesture_recognizer.cc"],
|
||||
hdrs = ["gesture_recognizer.h"],
|
||||
visibility = ["//visibility:public"],
|
||||
deps = [
|
||||
":gesture_recognizer_result",
|
||||
"//mediapipe/framework/formats:image",
|
||||
"//mediapipe/framework/formats:image_frame",
|
||||
"//mediapipe/tasks/c/components/containers:gesture_recognizer_result_converter",
|
||||
"//mediapipe/tasks/c/components/processors:classifier_options",
|
||||
"//mediapipe/tasks/c/components/processors:classifier_options_converter",
|
||||
"//mediapipe/tasks/c/core:base_options",
|
||||
"//mediapipe/tasks/c/core:base_options_converter",
|
||||
"//mediapipe/tasks/cc/vision/core:running_mode",
|
||||
"//mediapipe/tasks/cc/vision/gesture_recognizer",
|
||||
"//mediapipe/tasks/cc/vision/utils:image_utils",
|
||||
"@com_google_absl//absl/log:absl_log",
|
||||
"@com_google_absl//absl/status",
|
||||
"@com_google_absl//absl/status:statusor",
|
||||
],
|
||||
alwayslink = 1,
|
||||
)
|
||||
|
||||
cc_test(
|
||||
name = "gesture_recognizer_test",
|
||||
srcs = ["gesture_recognizer_test.cc"],
|
||||
data = [
|
||||
"//mediapipe/framework/formats:image_frame_opencv",
|
||||
"//mediapipe/framework/port:opencv_core",
|
||||
"//mediapipe/framework/port:opencv_imgproc",
|
||||
"//mediapipe/tasks/testdata/vision:test_images",
|
||||
"//mediapipe/tasks/testdata/vision:test_models",
|
||||
],
|
||||
linkstatic = 1,
|
||||
deps = [
|
||||
":gesture_recognizer_lib",
|
||||
"//mediapipe/framework/deps:file_path",
|
||||
"//mediapipe/framework/formats:image",
|
||||
"//mediapipe/framework/port:gtest",
|
||||
"//mediapipe/tasks/c/components/containers:landmark",
|
||||
"//mediapipe/tasks/cc/vision/utils:image_utils",
|
||||
"@com_google_absl//absl/flags:flag",
|
||||
"@com_google_absl//absl/strings",
|
||||
"@com_google_googletest//:gtest_main",
|
||||
],
|
||||
)
|
|
@ -0,0 +1,294 @@
|
|||
/* Copyright 2023 The MediaPipe Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
#include "mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer.h"
|
||||
|
||||
#include <cstdint>
|
||||
#include <cstdlib>
|
||||
#include <memory>
|
||||
#include <utility>
|
||||
|
||||
#include "absl/log/absl_log.h"
|
||||
#include "absl/status/status.h"
|
||||
#include "absl/status/statusor.h"
|
||||
#include "mediapipe/framework/formats/image.h"
|
||||
#include "mediapipe/framework/formats/image_frame.h"
|
||||
#include "mediapipe/tasks/c/components/containers/gesture_recognizer_result_converter.h"
|
||||
#include "mediapipe/tasks/c/components/processors/classifier_options_converter.h"
|
||||
#include "mediapipe/tasks/c/core/base_options_converter.h"
|
||||
#include "mediapipe/tasks/cc/vision/core/running_mode.h"
|
||||
#include "mediapipe/tasks/cc/vision/gesture_recognizer/gesture_recognizer.h"
|
||||
#include "mediapipe/tasks/cc/vision/utils/image_utils.h"
|
||||
|
||||
namespace mediapipe::tasks::c::vision::gesture_recognizer {
|
||||
|
||||
namespace {
|
||||
|
||||
using ::mediapipe::tasks::c::components::containers::
|
||||
CppCloseGestureRecognizerResult;
|
||||
using ::mediapipe::tasks::c::components::containers::
|
||||
CppConvertToGestureRecognizerResult;
|
||||
using ::mediapipe::tasks::c::components::processors::
|
||||
CppConvertToClassifierOptions;
|
||||
using ::mediapipe::tasks::c::core::CppConvertToBaseOptions;
|
||||
using ::mediapipe::tasks::vision::CreateImageFromBuffer;
|
||||
using ::mediapipe::tasks::vision::core::RunningMode;
|
||||
using ::mediapipe::tasks::vision::gesture_recognizer::GestureRecognizer;
|
||||
typedef ::mediapipe::tasks::vision::gesture_recognizer::GestureRecognizerResult
|
||||
CppGestureRecognizerResult;
|
||||
|
||||
int CppProcessError(absl::Status status, char** error_msg) {
|
||||
if (error_msg) {
|
||||
*error_msg = strdup(status.ToString().c_str());
|
||||
}
|
||||
return status.raw_code();
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
void CppConvertToGestureRecognizerOptions(
|
||||
const GestureRecognizerOptions& in,
|
||||
mediapipe::tasks::vision::gesture_recognizer::GestureRecognizerOptions*
|
||||
out) {
|
||||
out->num_hands = in.num_hands;
|
||||
out->min_hand_detection_confidence = in.min_hand_detection_confidence;
|
||||
out->min_hand_presence_confidence = in.min_hand_presence_confidence;
|
||||
out->min_tracking_confidence = in.min_tracking_confidence;
|
||||
CppConvertToClassifierOptions(in.canned_gestures_classifier_options,
|
||||
&out->canned_gestures_classifier_options);
|
||||
CppConvertToClassifierOptions(in.custom_gestures_classifier_options,
|
||||
&out->custom_gestures_classifier_options);
|
||||
}
|
||||
|
||||
GestureRecognizer* CppGestureRecognizerCreate(
|
||||
const GestureRecognizerOptions& options, char** error_msg) {
|
||||
auto cpp_options =
|
||||
std::make_unique<::mediapipe::tasks::vision::gesture_recognizer::
|
||||
GestureRecognizerOptions>();
|
||||
|
||||
CppConvertToBaseOptions(options.base_options, &cpp_options->base_options);
|
||||
CppConvertToGestureRecognizerOptions(options, cpp_options.get());
|
||||
cpp_options->running_mode = static_cast<RunningMode>(options.running_mode);
|
||||
|
||||
// Enable callback for processing live stream data when the running mode is
|
||||
// set to RunningMode::LIVE_STREAM.
|
||||
if (cpp_options->running_mode == RunningMode::LIVE_STREAM) {
|
||||
if (options.result_callback == nullptr) {
|
||||
const absl::Status status = absl::InvalidArgumentError(
|
||||
"Provided null pointer to callback function.");
|
||||
ABSL_LOG(ERROR) << "Failed to create GestureRecognizer: " << status;
|
||||
CppProcessError(status, error_msg);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
GestureRecognizerOptions::result_callback_fn result_callback =
|
||||
options.result_callback;
|
||||
cpp_options->result_callback =
|
||||
[result_callback](absl::StatusOr<CppGestureRecognizerResult> cpp_result,
|
||||
const Image& image, int64_t timestamp) {
|
||||
char* error_msg = nullptr;
|
||||
|
||||
if (!cpp_result.ok()) {
|
||||
ABSL_LOG(ERROR) << "Recognition failed: " << cpp_result.status();
|
||||
CppProcessError(cpp_result.status(), &error_msg);
|
||||
result_callback(nullptr, MpImage(), timestamp, error_msg);
|
||||
free(error_msg);
|
||||
return;
|
||||
}
|
||||
|
||||
// Result is valid for the lifetime of the callback function.
|
||||
GestureRecognizerResult result;
|
||||
CppConvertToGestureRecognizerResult(*cpp_result, &result);
|
||||
|
||||
const auto& image_frame = image.GetImageFrameSharedPtr();
|
||||
const MpImage mp_image = {
|
||||
.type = MpImage::IMAGE_FRAME,
|
||||
.image_frame = {
|
||||
.format = static_cast<::ImageFormat>(image_frame->Format()),
|
||||
.image_buffer = image_frame->PixelData(),
|
||||
.width = image_frame->Width(),
|
||||
.height = image_frame->Height()}};
|
||||
|
||||
result_callback(&result, mp_image, timestamp,
|
||||
/* error_msg= */ nullptr);
|
||||
|
||||
CppCloseGestureRecognizerResult(&result);
|
||||
};
|
||||
}
|
||||
|
||||
auto recognizer = GestureRecognizer::Create(std::move(cpp_options));
|
||||
if (!recognizer.ok()) {
|
||||
ABSL_LOG(ERROR) << "Failed to create GestureRecognizer: "
|
||||
<< recognizer.status();
|
||||
CppProcessError(recognizer.status(), error_msg);
|
||||
return nullptr;
|
||||
}
|
||||
return recognizer->release();
|
||||
}
|
||||
|
||||
int CppGestureRecognizerRecognize(void* recognizer, const MpImage* image,
|
||||
GestureRecognizerResult* result,
|
||||
char** error_msg) {
|
||||
if (image->type == MpImage::GPU_BUFFER) {
|
||||
const absl::Status status =
|
||||
absl::InvalidArgumentError("GPU Buffer not supported yet.");
|
||||
|
||||
ABSL_LOG(ERROR) << "Recognition failed: " << status.message();
|
||||
return CppProcessError(status, error_msg);
|
||||
}
|
||||
|
||||
const auto img = CreateImageFromBuffer(
|
||||
static_cast<ImageFormat::Format>(image->image_frame.format),
|
||||
image->image_frame.image_buffer, image->image_frame.width,
|
||||
image->image_frame.height);
|
||||
|
||||
if (!img.ok()) {
|
||||
ABSL_LOG(ERROR) << "Failed to create Image: " << img.status();
|
||||
return CppProcessError(img.status(), error_msg);
|
||||
}
|
||||
|
||||
auto cpp_recognizer = static_cast<GestureRecognizer*>(recognizer);
|
||||
auto cpp_result = cpp_recognizer->Recognize(*img);
|
||||
if (!cpp_result.ok()) {
|
||||
ABSL_LOG(ERROR) << "Recognition failed: " << cpp_result.status();
|
||||
return CppProcessError(cpp_result.status(), error_msg);
|
||||
}
|
||||
CppConvertToGestureRecognizerResult(*cpp_result, result);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int CppGestureRecognizerRecognizeForVideo(void* recognizer,
|
||||
const MpImage* image,
|
||||
int64_t timestamp_ms,
|
||||
GestureRecognizerResult* result,
|
||||
char** error_msg) {
|
||||
if (image->type == MpImage::GPU_BUFFER) {
|
||||
absl::Status status =
|
||||
absl::InvalidArgumentError("GPU Buffer not supported yet");
|
||||
|
||||
ABSL_LOG(ERROR) << "Recognition failed: " << status.message();
|
||||
return CppProcessError(status, error_msg);
|
||||
}
|
||||
|
||||
const auto img = CreateImageFromBuffer(
|
||||
static_cast<ImageFormat::Format>(image->image_frame.format),
|
||||
image->image_frame.image_buffer, image->image_frame.width,
|
||||
image->image_frame.height);
|
||||
|
||||
if (!img.ok()) {
|
||||
ABSL_LOG(ERROR) << "Failed to create Image: " << img.status();
|
||||
return CppProcessError(img.status(), error_msg);
|
||||
}
|
||||
|
||||
auto cpp_recognizer = static_cast<GestureRecognizer*>(recognizer);
|
||||
auto cpp_result = cpp_recognizer->RecognizeForVideo(*img, timestamp_ms);
|
||||
if (!cpp_result.ok()) {
|
||||
ABSL_LOG(ERROR) << "Recognition failed: " << cpp_result.status();
|
||||
return CppProcessError(cpp_result.status(), error_msg);
|
||||
}
|
||||
CppConvertToGestureRecognizerResult(*cpp_result, result);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int CppGestureRecognizerRecognizeAsync(void* recognizer, const MpImage* image,
|
||||
int64_t timestamp_ms, char** error_msg) {
|
||||
if (image->type == MpImage::GPU_BUFFER) {
|
||||
absl::Status status =
|
||||
absl::InvalidArgumentError("GPU Buffer not supported yet");
|
||||
|
||||
ABSL_LOG(ERROR) << "Recognition failed: " << status.message();
|
||||
return CppProcessError(status, error_msg);
|
||||
}
|
||||
|
||||
const auto img = CreateImageFromBuffer(
|
||||
static_cast<ImageFormat::Format>(image->image_frame.format),
|
||||
image->image_frame.image_buffer, image->image_frame.width,
|
||||
image->image_frame.height);
|
||||
|
||||
if (!img.ok()) {
|
||||
ABSL_LOG(ERROR) << "Failed to create Image: " << img.status();
|
||||
return CppProcessError(img.status(), error_msg);
|
||||
}
|
||||
|
||||
auto cpp_recognizer = static_cast<GestureRecognizer*>(recognizer);
|
||||
auto cpp_result = cpp_recognizer->RecognizeAsync(*img, timestamp_ms);
|
||||
if (!cpp_result.ok()) {
|
||||
ABSL_LOG(ERROR) << "Data preparation for the image classification failed: "
|
||||
<< cpp_result;
|
||||
return CppProcessError(cpp_result, error_msg);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void CppGestureRecognizerCloseResult(GestureRecognizerResult* result) {
|
||||
CppCloseGestureRecognizerResult(result);
|
||||
}
|
||||
|
||||
int CppGestureRecognizerClose(void* recognizer, char** error_msg) {
|
||||
auto cpp_recognizer = static_cast<GestureRecognizer*>(recognizer);
|
||||
auto result = cpp_recognizer->Close();
|
||||
if (!result.ok()) {
|
||||
ABSL_LOG(ERROR) << "Failed to close GestureRecognizer: " << result;
|
||||
return CppProcessError(result, error_msg);
|
||||
}
|
||||
delete cpp_recognizer;
|
||||
return 0;
|
||||
}
|
||||
|
||||
} // namespace mediapipe::tasks::c::vision::gesture_recognizer
|
||||
|
||||
extern "C" {
|
||||
|
||||
void* gesture_recognizer_create(struct GestureRecognizerOptions* options,
|
||||
char** error_msg) {
|
||||
return mediapipe::tasks::c::vision::gesture_recognizer::
|
||||
CppGestureRecognizerCreate(*options, error_msg);
|
||||
}
|
||||
|
||||
int gesture_recognizer_recognize_image(void* recognizer, const MpImage* image,
|
||||
GestureRecognizerResult* result,
|
||||
char** error_msg) {
|
||||
return mediapipe::tasks::c::vision::gesture_recognizer::
|
||||
CppGestureRecognizerRecognize(recognizer, image, result, error_msg);
|
||||
}
|
||||
|
||||
int gesture_recognizer_recognize_for_video(void* recognizer,
|
||||
const MpImage* image,
|
||||
int64_t timestamp_ms,
|
||||
GestureRecognizerResult* result,
|
||||
char** error_msg) {
|
||||
return mediapipe::tasks::c::vision::gesture_recognizer::
|
||||
CppGestureRecognizerRecognizeForVideo(recognizer, image, timestamp_ms,
|
||||
result, error_msg);
|
||||
}
|
||||
|
||||
int gesture_recognizer_recognize_async(void* recognizer, const MpImage* image,
|
||||
int64_t timestamp_ms, char** error_msg) {
|
||||
return mediapipe::tasks::c::vision::gesture_recognizer::
|
||||
CppGestureRecognizerRecognizeAsync(recognizer, image, timestamp_ms,
|
||||
error_msg);
|
||||
}
|
||||
|
||||
void gesture_recognizer_close_result(GestureRecognizerResult* result) {
|
||||
mediapipe::tasks::c::vision::gesture_recognizer::
|
||||
CppGestureRecognizerCloseResult(result);
|
||||
}
|
||||
|
||||
int gesture_recognizer_close(void* recognizer, char** error_ms) {
|
||||
return mediapipe::tasks::c::vision::gesture_recognizer::
|
||||
CppGestureRecognizerClose(recognizer, error_ms);
|
||||
}
|
||||
|
||||
} // extern "C"
|
156
mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer.h
Normal file
156
mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer.h
Normal file
|
@ -0,0 +1,156 @@
|
|||
/* Copyright 2023 The MediaPipe Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
#ifndef MEDIAPIPE_TASKS_C_VISION_GESTURE_RECOGNIZER_GESTURE_RECOGNIZER_H_
|
||||
#define MEDIAPIPE_TASKS_C_VISION_GESTURE_RECOGNIZER_GESTURE_RECOGNIZER_H_
|
||||
|
||||
#include "mediapipe/tasks/c/components/processors/classifier_options.h"
|
||||
#include "mediapipe/tasks/c/core/base_options.h"
|
||||
#include "mediapipe/tasks/c/vision/core/common.h"
|
||||
#include "mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer_result.h"
|
||||
|
||||
#ifndef MP_EXPORT
|
||||
#define MP_EXPORT __attribute__((visibility("default")))
|
||||
#endif // MP_EXPORT
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
// The options for configuring a MediaPipe gesture recognizer task.
|
||||
struct GestureRecognizerOptions {
|
||||
// Base options for configuring MediaPipe Tasks, such as specifying the model
|
||||
// file with metadata, accelerator options, op resolver, etc.
|
||||
struct BaseOptions base_options;
|
||||
|
||||
// The running mode of the task. Default to the image mode.
|
||||
// GestureRecognizer has three running modes:
|
||||
// 1) The image mode for recognizing hand gestures on single image inputs.
|
||||
// 2) The video mode for recognizing hand gestures on the decoded frames of a
|
||||
// video.
|
||||
// 3) The live stream mode for recognizing hand gestures on the live stream of
|
||||
// input data, such as from camera. In this mode, the "result_callback"
|
||||
// below must be specified to receive the detection results asynchronously.
|
||||
RunningMode running_mode;
|
||||
|
||||
// The maximum number of hands can be detected by the GestureRecognizer.
|
||||
int num_hands = 1;
|
||||
|
||||
// The minimum confidence score for the hand detection to be considered
|
||||
// successful.
|
||||
float min_hand_detection_confidence = 0.5;
|
||||
|
||||
// The minimum confidence score of hand presence score in the hand landmark
|
||||
// detection.
|
||||
float min_hand_presence_confidence = 0.5;
|
||||
|
||||
// The minimum confidence score for the hand tracking to be considered
|
||||
// successful.
|
||||
float min_tracking_confidence = 0.5;
|
||||
|
||||
// TODO Note this option is subject to change.
|
||||
// Options for configuring the canned gestures classifier, such as score
|
||||
// threshold, allow list and deny list of gestures. The categories for canned
|
||||
// gesture classifier are: ["None", "Closed_Fist", "Open_Palm",
|
||||
// "Pointing_Up", "Thumb_Down", "Thumb_Up", "Victory", "ILoveYou"]
|
||||
struct ClassifierOptions canned_gestures_classifier_options;
|
||||
|
||||
// TODO Note this option is subject to change.
|
||||
// Options for configuring the custom gestures classifier, such as score
|
||||
// threshold, allow list and deny list of gestures.
|
||||
struct ClassifierOptions custom_gestures_classifier_options;
|
||||
|
||||
// The user-defined result callback for processing live stream data.
|
||||
// The result callback should only be specified when the running mode is set
|
||||
// to RunningMode::LIVE_STREAM. Arguments of the callback function include:
|
||||
// the pointer to recognition result, the image that result was obtained
|
||||
// on, the timestamp relevant to recognition results and pointer to error
|
||||
// message in case of any failure. The validity of the passed arguments is
|
||||
// true for the lifetime of the callback function.
|
||||
//
|
||||
// A caller is responsible for closing gesture recognizer result.
|
||||
typedef void (*result_callback_fn)(GestureRecognizerResult* result,
|
||||
const MpImage image, int64_t timestamp_ms,
|
||||
char* error_msg);
|
||||
result_callback_fn result_callback;
|
||||
};
|
||||
|
||||
// Creates an GestureRecognizer from provided `options`.
|
||||
// Returns a pointer to the gesture recognizer on success.
|
||||
// If an error occurs, returns `nullptr` and sets the error parameter to an
|
||||
// an error message (if `error_msg` is not `nullptr`). You must free the memory
|
||||
// allocated for the error message.
|
||||
MP_EXPORT void* gesture_recognizer_create(
|
||||
struct GestureRecognizerOptions* options, char** error_msg);
|
||||
|
||||
// Performs gesture recognition on the input `image`. Returns `0` on success.
|
||||
// If an error occurs, returns an error code and sets the error parameter to an
|
||||
// an error message (if `error_msg` is not `nullptr`). You must free the memory
|
||||
// allocated for the error message.
|
||||
MP_EXPORT int gesture_recognizer_recognize_image(
|
||||
void* recognizer, const MpImage* image, GestureRecognizerResult* result,
|
||||
char** error_msg);
|
||||
|
||||
// Performs gesture recognition on the provided video frame.
|
||||
// Only use this method when the GestureRecognizer is created with the video
|
||||
// running mode.
|
||||
// The image can be of any size with format RGB or RGBA. It's required to
|
||||
// provide the video frame's timestamp (in milliseconds). The input timestamps
|
||||
// must be monotonically increasing.
|
||||
// If an error occurs, returns an error code and sets the error parameter to an
|
||||
// an error message (if `error_msg` is not `nullptr`). You must free the memory
|
||||
// allocated for the error message.
|
||||
MP_EXPORT int gesture_recognizer_recognize_for_video(
|
||||
void* recognizer, const MpImage* image, int64_t timestamp_ms,
|
||||
GestureRecognizerResult* result, char** error_msg);
|
||||
|
||||
// Sends live image data to gesture recognition, and the results will be
|
||||
// available via the `result_callback` provided in the GestureRecognizerOptions.
|
||||
// Only use this method when the GestureRecognizer is created with the live
|
||||
// stream running mode.
|
||||
// The image can be of any size with format RGB or RGBA. It's required to
|
||||
// provide a timestamp (in milliseconds) to indicate when the input image is
|
||||
// sent to the gesture recognizer. The input timestamps must be monotonically
|
||||
// increasing.
|
||||
// The `result_callback` provides:
|
||||
// - The recognition results as an GestureRecognizerResult object.
|
||||
// - The const reference to the corresponding input image that the gesture
|
||||
// recognizer runs on. Note that the const reference to the image will no
|
||||
// longer be valid when the callback returns. To access the image data
|
||||
// outside of the callback, callers need to make a copy of the image.
|
||||
// - The input timestamp in milliseconds.
|
||||
// If an error occurs, returns an error code and sets the error parameter to an
|
||||
// an error message (if `error_msg` is not `nullptr`). You must free the memory
|
||||
// allocated for the error message.
|
||||
MP_EXPORT int gesture_recognizer_recognize_async(void* recognizer,
|
||||
const MpImage* image,
|
||||
int64_t timestamp_ms,
|
||||
char** error_msg);
|
||||
|
||||
// Frees the memory allocated inside a GestureRecognizerResult result.
|
||||
// Does not free the result pointer itself.
|
||||
MP_EXPORT void gesture_recognizer_close_result(GestureRecognizerResult* result);
|
||||
|
||||
// Frees gesture recognizer.
|
||||
// If an error occurs, returns an error code and sets the error parameter to an
|
||||
// an error message (if `error_msg` is not `nullptr`). You must free the memory
|
||||
// allocated for the error message.
|
||||
MP_EXPORT int gesture_recognizer_close(void* recognizer, char** error_msg);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} // extern C
|
||||
#endif
|
||||
|
||||
#endif // MEDIAPIPE_TASKS_C_VISION_GESTURE_RECOGNIZER_GESTURE_RECOGNIZER_H_
|
|
@ -0,0 +1,70 @@
|
|||
/* Copyright 2023 The MediaPipe Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
#ifndef MEDIAPIPE_TASKS_C_VISION_GESTURE_RECOGNIZER_RESULT_GESTURE_RECOGNIZER_RESULT_H_
|
||||
#define MEDIAPIPE_TASKS_C_VISION_GESTURE_RECOGNIZER_RESULT_GESTURE_RECOGNIZER_RESULT_H_
|
||||
|
||||
#include "mediapipe/tasks/c/components/containers/category.h"
|
||||
#include "mediapipe/tasks/c/components/containers/landmark.h"
|
||||
#include "mediapipe/tasks/c/vision/core/common.h"
|
||||
|
||||
#ifndef MP_EXPORT
|
||||
#define MP_EXPORT __attribute__((visibility("default")))
|
||||
#endif // MP_EXPORT
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
// The gesture recognition result from GestureRecognizer, where each vector
|
||||
// element represents a single hand detected in the image.
|
||||
struct GestureRecognizerResult {
|
||||
// Recognized hand gestures with sorted order such that the winning label is
|
||||
// the first item in the list.
|
||||
struct Category** gestures;
|
||||
|
||||
// The number of elements in the gestures array.
|
||||
uint32_t gestures_count;
|
||||
|
||||
// The number of elements in the gestures categories array.
|
||||
uint32_t* gestures_categories_counts;
|
||||
|
||||
// Classification of handedness.
|
||||
struct Category** handedness;
|
||||
|
||||
// The number of elements in the handedness array.
|
||||
uint32_t handedness_count;
|
||||
|
||||
// The number of elements in the handedness categories array.
|
||||
uint32_t* handedness_categories_counts;
|
||||
|
||||
// Detected hand landmarks in normalized image coordinates.
|
||||
struct NormalizedLandmarks* hand_landmarks;
|
||||
|
||||
// The number of elements in the hand_landmarks array.
|
||||
uint32_t hand_landmarks_count;
|
||||
|
||||
// Detected hand landmarks in world coordinates.
|
||||
struct Landmarks* hand_world_landmarks;
|
||||
|
||||
// The number of elements in the hand_world_landmarks array.
|
||||
uint32_t hand_world_landmarks_count;
|
||||
};
|
||||
|
||||
#ifdef __cplusplus
|
||||
} // extern C
|
||||
#endif
|
||||
|
||||
#endif // MEDIAPIPE_TASKS_C_VISION_GESTURE_RECOGNIZER_RESULT_GESTURE_RECOGNIZER_RESULT_H_
|
|
@ -0,0 +1,123 @@
|
|||
/* Copyright 2023 The MediaPipe Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
#include "mediapipe/tasks/c/vision/gesture_recognizer/gesture_recognizer.h"
|
||||
|
||||
#include <cstdint>
|
||||
#include <cstdlib>
|
||||
#include <string>
|
||||
|
||||
#include "absl/flags/flag.h"
|
||||
#include "absl/strings/string_view.h"
|
||||
#include "mediapipe/framework/deps/file_path.h"
|
||||
#include "mediapipe/framework/formats/image.h"
|
||||
#include "mediapipe/framework/port/gmock.h"
|
||||
#include "mediapipe/framework/port/gtest.h"
|
||||
#include "mediapipe/tasks/c/components/containers/landmark.h"
|
||||
#include "mediapipe/tasks/cc/vision/utils/image_utils.h"
|
||||
|
||||
namespace {
|
||||
|
||||
using ::mediapipe::file::JoinPath;
|
||||
using ::mediapipe::tasks::vision::DecodeImageFromFile;
|
||||
using testing::HasSubstr;
|
||||
|
||||
constexpr char kTestDataDirectory[] = "/mediapipe/tasks/testdata/vision/";
|
||||
constexpr char kModelName[] = "gesture_recognizer.task";
|
||||
constexpr float kPrecision = 1e-4;
|
||||
constexpr float kLandmarkPrecision = 1e-3;
|
||||
constexpr int kIterations = 100;
|
||||
|
||||
std::string GetFullPath(absl::string_view file_name) {
|
||||
return JoinPath("./", kTestDataDirectory, file_name);
|
||||
}
|
||||
|
||||
TEST(GestureRecognizerTest, ImageModeTest) {
|
||||
const auto image = DecodeImageFromFile(GetFullPath("fist.jpg"));
|
||||
ASSERT_TRUE(image.ok());
|
||||
|
||||
const std::string model_path = GetFullPath(kModelName);
|
||||
GestureRecognizerOptions options = {
|
||||
/* base_options= */ {/* model_asset_buffer= */ nullptr,
|
||||
/* model_asset_buffer_count= */ 0,
|
||||
/* model_asset_path= */ model_path.c_str()},
|
||||
/* running_mode= */ RunningMode::IMAGE,
|
||||
/* num_hands= */ 1,
|
||||
/* min_hand_detection_confidence= */ 0.5,
|
||||
/* min_hand_presence_confidence= */ 0.5,
|
||||
/* min_tracking_confidence= */ 0.5,
|
||||
{/* display_names_locale= */ nullptr,
|
||||
/* max_results= */ -1,
|
||||
/* score_threshold= */ 0.0,
|
||||
/* category_allowlist= */ nullptr,
|
||||
/* category_allowlist_count= */ 0,
|
||||
/* category_denylist= */ nullptr,
|
||||
/* category_denylist_count= */ 0},
|
||||
{/* display_names_locale= */ nullptr,
|
||||
/* max_results= */ -1,
|
||||
/* score_threshold= */ 0.0,
|
||||
/* category_allowlist= */ nullptr,
|
||||
/* category_allowlist_count= */ 0,
|
||||
/* category_denylist= */ nullptr,
|
||||
/* category_denylist_count= */ 0}};
|
||||
|
||||
void* recognizer =
|
||||
gesture_recognizer_create(&options, /* error_msg */ nullptr);
|
||||
EXPECT_NE(recognizer, nullptr);
|
||||
|
||||
const auto& image_frame = image->GetImageFrameSharedPtr();
|
||||
const MpImage mp_image = {
|
||||
.type = MpImage::IMAGE_FRAME,
|
||||
.image_frame = {.format = static_cast<ImageFormat>(image_frame->Format()),
|
||||
.image_buffer = image_frame->PixelData(),
|
||||
.width = image_frame->Width(),
|
||||
.height = image_frame->Height()}};
|
||||
|
||||
GestureRecognizerResult result;
|
||||
gesture_recognizer_recognize_image(recognizer, &mp_image, &result,
|
||||
/* error_msg */ nullptr);
|
||||
|
||||
// Expects to have the same number of hands detected.
|
||||
EXPECT_EQ(result.gestures_count, 1);
|
||||
EXPECT_EQ(result.handedness_count, 1);
|
||||
// Actual gesture with top score matches expected gesture.
|
||||
EXPECT_EQ(std::string{result.gestures[0][0].category_name}, "Closed_Fist");
|
||||
EXPECT_NEAR(result.gestures[0][0].score, 0.9000f, kPrecision);
|
||||
|
||||
// Actual handedness matches expected handedness.
|
||||
EXPECT_EQ(std::string{result.handedness[0][0].category_name}, "Right");
|
||||
EXPECT_NEAR(result.handedness[0][0].score, 0.9893f, kPrecision);
|
||||
|
||||
// Actual landmarks match expected landmarks.
|
||||
EXPECT_NEAR(result.hand_landmarks[0].landmarks[0].x, 0.477f,
|
||||
kLandmarkPrecision);
|
||||
EXPECT_NEAR(result.hand_landmarks[0].landmarks[0].y, 0.661f,
|
||||
kLandmarkPrecision);
|
||||
EXPECT_NEAR(result.hand_landmarks[0].landmarks[0].z, 0.0f,
|
||||
kLandmarkPrecision);
|
||||
EXPECT_NEAR(result.hand_world_landmarks[0].landmarks[0].x, -0.009f,
|
||||
kLandmarkPrecision);
|
||||
EXPECT_NEAR(result.hand_world_landmarks[0].landmarks[0].y, 0.082f,
|
||||
kLandmarkPrecision);
|
||||
EXPECT_NEAR(result.hand_world_landmarks[0].landmarks[0].z, 0.006f,
|
||||
kLandmarkPrecision);
|
||||
|
||||
gesture_recognizer_close_result(&result);
|
||||
gesture_recognizer_close(recognizer, /* error_msg */ nullptr);
|
||||
}
|
||||
|
||||
// TODO other tests
|
||||
|
||||
} // namespace
|
1
mediapipe/tasks/testdata/vision/BUILD
vendored
1
mediapipe/tasks/testdata/vision/BUILD
vendored
|
@ -185,6 +185,7 @@ filegroup(
|
|||
"face_landmarker.task",
|
||||
"face_landmarker_v2.task",
|
||||
"face_stylizer_color_ink.task",
|
||||
"gesture_recognizer.task",
|
||||
"hair_segmentation.tflite",
|
||||
"hand_landmark_full.tflite",
|
||||
"hand_landmark_lite.tflite",
|
||||
|
|
Loading…
Reference in New Issue
Block a user