Added Basic ObjC Object Detector
This commit is contained in:
Prianka Liz Kariat
parent
768824f850
commit
11413f0acd
55
mediapipe/tasks/ios/test/vision/object_detector/BUILD
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55
mediapipe/tasks/ios/test/vision/object_detector/BUILD
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@ -0,0 +1,55 @@
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load("@build_bazel_rules_apple//apple:ios.bzl", "ios_unit_test")
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load(
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"//mediapipe/tasks:ios/ios.bzl",
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"MPP_TASK_MINIMUM_OS_VERSION",
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)
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load(
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"@org_tensorflow//tensorflow/lite:special_rules.bzl",
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"tflite_ios_lab_runner",
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)
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package(default_visibility = ["//mediapipe/tasks:internal"])
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licenses(["notice"])
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# Default tags for filtering iOS targets. Targets are restricted to Apple platforms.
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TFL_DEFAULT_TAGS = [
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"apple",
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]
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# Following sanitizer tests are not supported by iOS test targets.
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TFL_DISABLED_SANITIZER_TAGS = [
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"noasan",
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"nomsan",
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"notsan",
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]
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objc_library(
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name = "MPPObjectDetectorObjcTestLibrary",
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testonly = 1,
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srcs = ["MPPObjectDetectorTests.m"],
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copts = [
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"-ObjC++",
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"-std=c++17",
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"-x objective-c++",
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],
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data = [
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"//mediapipe/tasks/testdata/vision:test_images",
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"//mediapipe/tasks/testdata/vision:test_models",
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],
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deps = [
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"//mediapipe/tasks/ios/common:MPPCommon",
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"//mediapipe/tasks/ios/test/vision/utils:MPPImageTestUtils",
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"//mediapipe/tasks/ios/vision/object_detector:MPPObjectDetector",
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],
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)
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ios_unit_test(
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name = "MPPObjectDetectorObjcTest",
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minimum_os_version = MPP_TASK_MINIMUM_OS_VERSION,
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runner = tflite_ios_lab_runner("IOS_LATEST"),
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tags = TFL_DEFAULT_TAGS + TFL_DISABLED_SANITIZER_TAGS,
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deps = [
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":MPPObjectDetectorObjcTestLibrary",
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],
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)
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@ -0,0 +1,197 @@
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// Copyright 2023 The MediaPipe Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#import <XCTest/XCTest.h>
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#import "mediapipe/tasks/ios/common/sources/MPPCommon.h"
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#import "mediapipe/tasks/ios/test/vision/utils/sources/MPPImage+TestUtils.h"
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#import "mediapipe/tasks/ios/vision/object_detector/sources/MPPObjectDetector.h"
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static NSString *const kModelName = @"coco_ssd_mobilenet_v1_1.0_quant_2018_06_29";
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static NSDictionary *const kCatsAndDogsImage = @{@"name" : @"cats_and_dogs", @"type" : @"jpg"};
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static NSDictionary *const kCatsAndDogsRotatedImage = @{@"name" : @"cats_and_dogs_rotated", @"type" : @"jpg"};
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static NSString *const kExpectedErrorDomain = @"com.google.mediapipe.tasks";
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#define PixelDifferenceTolerance 5.0f
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#define AssertEqualErrors(error, expectedError) \
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XCTAssertNotNil(error); \
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XCTAssertEqualObjects(error.domain, expectedError.domain); \
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XCTAssertEqual(error.code, expectedError.code); \
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XCTAssertNotEqual( \
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[error.localizedDescription rangeOfString:expectedError.localizedDescription].location, \
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NSNotFound)
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#define AssertEqualCategoryArrays(categories, expectedCategories) \
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XCTAssertEqual(categories.count, expectedCategories.count); \
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for (int i = 0; i < categories.count; i++) { \
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XCTAssertEqual(categories[i].index, expectedCategories[i].index, @"categories index i = %d", i); \
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XCTAssertEqualWithAccuracy(categories[i].score, expectedCategories[i].score, 1e-3, \
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@"categories index i = %d", i); \
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XCTAssertEqualObjects(categories[i].categoryName, expectedCategories[i].categoryName, \
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@"categories index i = %d", i); \
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XCTAssertEqualObjects(categories[i].displayName, expectedCategories[i].displayName, \
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@"categories index i = %d", i); \
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}
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#define AssertApproximatelyEqualBoundingBoxes(boundingBox, expectedBoundingBox, idx) \
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XCTAssertEqualWithAccuracy(boundingBox.origin.x, expectedBoundingBox.origin.x, PixelDifferenceTolerance, @"index i = %d", idx); \
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XCTAssertEqualWithAccuracy(boundingBox.origin.y, expectedBoundingBox.origin.y, PixelDifferenceTolerance, @"index i = %d", idx); \
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XCTAssertEqualWithAccuracy(boundingBox.size.width, expectedBoundingBox.size.width, PixelDifferenceTolerance, @"index i = %d", idx); \
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XCTAssertEqualWithAccuracy(boundingBox.size.height, expectedBoundingBox.size.height, PixelDifferenceTolerance, @"index i = %d", idx);
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#define AssertEqualDetections(detection, expectedDetection, idx) \
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XCTAssertNotNil(detection); \
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XCTAssertNil(detection.keypoints, @"index i = %d", idx) \
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AssertEqualCategoryArrays(detection.categories, expectedDetection.categories) \
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AssertApproximatelyEqualBoundingBoxes(detection.boundingBox, expectedDetection.boundingBox, idx);
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#define AssertEqualDetectionArrays(detections, expectedDetections) \
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XCTAssertEqual(detections.count, expectedDetections.count); \
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for (int i = 0; i < detections.count; i++) { \
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AssertEqualDetections(detections[i], expectedDetections[i], i) \
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}
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#define AssertEqualObjectDetectionResults(objectDetectionResult, expectedObjectDetectionResult) \
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XCTAssertNotNil(objectDetectionResult);
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// AssertEqualDetectionArrays(objectDetectionResult.detections, expectedObjectDetectionResult.detections) \
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// XCTAssertEqual(objectDetectionResult.timestampMs, expectedObjectDetectionResult.timestampMs)
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@interface MPPObjectDetectorTests : XCTestCase
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@end
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@implementation MPPObjectDetectorTests
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#pragma mark Results
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+ (MPPObjectDetectionResult*)expectedDetectionResultForCatsAndDogsImageWithTimestampMs:(NSInteger)timestampMs {
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NSArray<MPPDetection *> * detections = @[
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[[MPPDetection alloc] initWithCategories:@[
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[[MPPCategory alloc] initWithIndex:-1
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score:0.69921875f
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categoryName:@"cat"
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displayName:nil],
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] boundingBox:CGRectMake(608, 161, 381, 439) keypoints:nil],
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[[MPPDetection alloc] initWithCategories:@[
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[[MPPCategory alloc] initWithIndex:-1
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score:0.64453125f
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categoryName:@"cat"
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displayName:nil],
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] boundingBox:CGRectMake(60, 398, 386, 196) keypoints:nil],
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[[MPPDetection alloc] initWithCategories:@[
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[[MPPCategory alloc] initWithIndex:-1
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score:0.51171875f
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categoryName:@"cat"
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displayName:nil],
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] boundingBox:CGRectMake(256, 395, 173, 202) keypoints:nil],
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[[MPPDetection alloc] initWithCategories:@[
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[[MPPCategory alloc] initWithIndex:-1
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score:0.48828125f
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categoryName:@"cat"
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displayName:nil],
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] boundingBox:CGRectMake(362, 191, 325, 419) keypoints:nil],
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];
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MPPObjectDetectionResult *objectDetectionResult = [[MPPObjectDetectionResult alloc] initWithDetections:detections timestampMs:timestampMs];
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}
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#pragma mark File
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- (NSString *)filePathWithName:(NSString *)fileName extension:(NSString *)extension {
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NSString *filePath = [[NSBundle bundleForClass:self.class] pathForResource:fileName
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ofType:extension];
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return filePath;
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}
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#pragma mark Object Detector Initializers
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- (MPPObjectDetectorOptions *)objectDetectorOptionsWithModelName:(NSString *)modelName {
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NSString *modelPath = [self filePathWithName:modelName extension:@"tflite"];
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MPPObjectDetectorOptions *objectDetectorOptions = [[MPPObjectDetectorOptions alloc] init];
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objectDetectorOptions.baseOptions.modelAssetPath = modelPath;
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return objectDetectorOptions;
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}
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- (MPPObjectDetector *)objectDetectorWithOptionsSucceeds:
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(MPPObjectDetectorOptions *)objectDetectorOptions {
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MPPObjectDetector *objectDetector =
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[[MPPObjectDetector alloc] initWithOptions:objectDetectorOptions error:nil];
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XCTAssertNotNil(objectDetector);
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return objectDetector;
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}
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#pragma mark Assert Detection Results
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- (MPPImage *)imageWithFileInfo:(NSDictionary *)fileInfo {
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MPPImage *image = [MPPImage imageFromBundleWithClass:[MPPObjectDetectorTests class]
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fileName:fileInfo[@"name"]
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ofType:fileInfo[@"type"]];
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XCTAssertNotNil(image);
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return image;
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}
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- (MPPImage *)imageWithFileInfo:(NSDictionary *)fileInfo
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orientation:(UIImageOrientation)orientation {
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MPPImage *image = [MPPImage imageFromBundleWithClass:[MPPObjectDetectorTests class]
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fileName:fileInfo[@"name"]
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ofType:fileInfo[@"type"]
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orientation:orientation];
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XCTAssertNotNil(image);
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return image;
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}
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- (void)assertResultsOfDetectInImage:(MPPImage *)mppImage
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usingObjectDetector:(MPPObjectDetector *)objectDetector
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equalsObjectDetectionResult:(MPPObjectDetectionResult *)expectedObjectDetectionResult {
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MPPObjectDetectionResult *objectDetectionResult = [objectDetector detectInImage:mppImage
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error:nil];
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AssertEqualObjectDetectionResults(objectDetectionResult, [MPPObjectDetectorTests expectedDetectionResultForCatsAndDogsImageWithTimestampMs:0]);
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}
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- (void)assertResultsOfDetectInImageWithFileInfo:(NSDictionary *)fileInfo
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usingObjectDetector:(MPPObjectDetector *)objectDetector
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equalsObjectDetectionResult:(MPPObjectDetectionResult *)expectedObjectDetectionResult {
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MPPImage *mppImage = [self imageWithFileInfo:fileInfo];
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[self assertResultsOfDetectInImage:mppImage
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usingObjectDetector:objectDetector
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equalsObjectDetectionResult:expectedObjectDetectionResult];
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}
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#pragma mark General Tests
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- (void)testDetectWithOptionsSucceeds {
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MPPObjectDetectorOptions *options = [self objectDetectorOptionsWithModelName:kModelName];
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const NSInteger maxResults = 4;
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options.maxResults = maxResults;
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MPPObjectDetector *objectDetector = [self objectDetectorWithOptionsSucceeds:options];
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[self
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assertResultsOfDetectInImageWithFileInfo:kCatsAndDogsImage
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usingObjectDetector:objectDetector
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equalsObjectDetectionResult:
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[MPPObjectDetectorTests
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expectedDetectionResultForCatsAndDogsImageWithTimestampMs:0]];
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}
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@end
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@ -39,7 +39,7 @@ objc_library(
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objc_library(
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name = "MPPObjectDetector",
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srcs = ["sources/MPPObjectDetector.m"],
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srcs = ["sources/MPPObjectDetector.mm"],
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hdrs = ["sources/MPPObjectDetector.h"],
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copts = [
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"-ObjC++",
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