Move stream API landmarks_projection to third_party.
PiperOrigin-RevId: 563246209
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@ -2,6 +2,33 @@ package(default_visibility = ["//visibility:public"])
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licenses(["notice"])
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cc_library(
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name = "landmarks_projection",
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srcs = ["landmarks_projection.cc"],
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hdrs = ["landmarks_projection.h"],
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deps = [
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"//mediapipe/calculators/util:landmark_projection_calculator",
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"//mediapipe/framework/api2:builder",
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"//mediapipe/framework/formats:landmark_cc_proto",
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],
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)
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cc_test(
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name = "landmarks_projection_test",
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srcs = ["landmarks_projection_test.cc"],
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deps = [
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":landmarks_projection",
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"//mediapipe/framework:calculator_framework",
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"//mediapipe/framework/api2:builder",
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"//mediapipe/framework/formats:landmark_cc_proto",
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"//mediapipe/framework/port:gtest",
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"//mediapipe/framework/port:gtest_main",
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"//mediapipe/framework/port:parse_text_proto",
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"//mediapipe/framework/port:status",
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"//mediapipe/framework/port:status_matchers",
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],
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)
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cc_library(
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name = "loopback",
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hdrs = ["loopback.h"],
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20
mediapipe/framework/api2/stream/landmarks_projection.cc
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mediapipe/framework/api2/stream/landmarks_projection.cc
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#include "mediapipe/framework/api2/stream/landmarks_projection.h"
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#include <array>
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#include "mediapipe/framework/api2/builder.h"
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#include "mediapipe/framework/formats/landmark.pb.h"
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namespace mediapipe::api2::builder {
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Stream<mediapipe::NormalizedLandmarkList> ProjectLandmarks(
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Stream<mediapipe::NormalizedLandmarkList> landmarks,
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Stream<std::array<float, 16>> projection_matrix, Graph& graph) {
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auto& projector = graph.AddNode("LandmarkProjectionCalculator");
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landmarks.ConnectTo(projector.In("NORM_LANDMARKS"));
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projection_matrix.ConnectTo(projector.In("PROJECTION_MATRIX"));
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return projector.Out("NORM_LANDMARKS")
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.Cast<mediapipe::NormalizedLandmarkList>();
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}
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} // namespace mediapipe::api2::builder
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23
mediapipe/framework/api2/stream/landmarks_projection.h
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mediapipe/framework/api2/stream/landmarks_projection.h
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#ifndef MEDIAPIPE_FRAMEWORK_API2_STREAM_LANDMARKS_PROJECTION_H_
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#define MEDIAPIPE_FRAMEWORK_API2_STREAM_LANDMARKS_PROJECTION_H_
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#include <array>
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#include "mediapipe/framework/api2/builder.h"
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#include "mediapipe/framework/formats/landmark.pb.h"
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namespace mediapipe::api2::builder {
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// Updates @graph to project predicted @landmarks back to the original @image
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// based on @projection_matrix
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//
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// @landmarks - landmarks (NormalizedLandmarkList) stream, output from the model
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// @projection_matrix - matrix that stores the preprocessing information
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// @graph - mediapipe graph to update.
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Stream<mediapipe::NormalizedLandmarkList> ProjectLandmarks(
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Stream<mediapipe::NormalizedLandmarkList> landmarks,
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Stream<std::array<float, 16>> projection_matrix, Graph& graph);
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} // namespace mediapipe::api2::builder
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#endif // MEDIAPIPE_FRAMEWORK_API2_STREAM_LANDMARKS_PROJECTION_H_
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45
mediapipe/framework/api2/stream/landmarks_projection_test.cc
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mediapipe/framework/api2/stream/landmarks_projection_test.cc
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#include "mediapipe/framework/api2/stream/landmarks_projection.h"
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#include <array>
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#include "mediapipe/framework/api2/builder.h"
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#include "mediapipe/framework/calculator_framework.h"
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#include "mediapipe/framework/formats/landmark.pb.h"
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#include "mediapipe/framework/port/gmock.h"
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#include "mediapipe/framework/port/gtest.h"
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#include "mediapipe/framework/port/parse_text_proto.h"
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#include "mediapipe/framework/port/status_matchers.h"
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namespace mediapipe::api2::builder {
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namespace {
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TEST(LandmarksProjection, ProjectLandmarks) {
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mediapipe::api2::builder::Graph graph;
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Stream<NormalizedLandmarkList> landmarks =
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graph.In("NORM_LANDMARKS").Cast<NormalizedLandmarkList>();
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Stream<std::array<float, 16>> projection_matrix =
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graph.In("PROJECTION_MATRIX").Cast<std::array<float, 16>>();
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Stream<NormalizedLandmarkList> result =
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ProjectLandmarks(landmarks, projection_matrix, graph);
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result.SetName("landmarks_value");
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EXPECT_THAT(
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graph.GetConfig(),
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EqualsProto(mediapipe::ParseTextProtoOrDie<CalculatorGraphConfig>(R"pb(
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node {
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calculator: "LandmarkProjectionCalculator"
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input_stream: "NORM_LANDMARKS:__stream_0"
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input_stream: "PROJECTION_MATRIX:__stream_1"
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output_stream: "NORM_LANDMARKS:landmarks_value"
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}
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input_stream: "NORM_LANDMARKS:__stream_0"
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input_stream: "PROJECTION_MATRIX:__stream_1"
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)pb")));
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CalculatorGraph calcualtor_graph;
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MP_EXPECT_OK(calcualtor_graph.Initialize(graph.GetConfig()));
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}
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} // namespace
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} // namespace mediapipe::api2::builder
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