From c4315c500d8d11a301ce91784ac1acbdf26fd8f9 Mon Sep 17 00:00:00 2001 From: Prianka Liz Kariat Date: Sat, 21 Oct 2023 03:52:46 +0530 Subject: [PATCH] Added pose landmarker result helpers --- .../sources/MPPPoseLandmarkerResult.h | 2 +- .../ios/vision/pose_landmarker/utils/BUILD | 17 +++ .../sources/MPPPoseLandmarkerResult+Helpers.h | 65 ++++++++++ .../MPPPoseLandmarkerResult+Helpers.mm | 122 ++++++++++++++++++ 4 files changed, 205 insertions(+), 1 deletion(-) create mode 100644 mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.h create mode 100644 mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.mm diff --git a/mediapipe/tasks/ios/vision/pose_landmarker/sources/MPPPoseLandmarkerResult.h b/mediapipe/tasks/ios/vision/pose_landmarker/sources/MPPPoseLandmarkerResult.h index ff9d001b2..b3dc72e8f 100644 --- a/mediapipe/tasks/ios/vision/pose_landmarker/sources/MPPPoseLandmarkerResult.h +++ b/mediapipe/tasks/ios/vision/pose_landmarker/sources/MPPPoseLandmarkerResult.h @@ -46,7 +46,7 @@ NS_SWIFT_NAME(PoseLandmarkerResult) */ - (instancetype)initWithLandmarks:(NSArray *> *)landmarks worldLandmarks:(NSArray *> *)worldLandmarks - segmentationMasks:(NSArray *)segmentationMasks + segmentationMasks:(nullable NSArray *)segmentationMasks timestampInMilliseconds:(NSInteger)timestampInMilliseconds NS_DESIGNATED_INITIALIZER; - (instancetype)initWithTimestampInMilliseconds:(NSInteger)timestampInMilliseconds NS_UNAVAILABLE; diff --git a/mediapipe/tasks/ios/vision/pose_landmarker/utils/BUILD b/mediapipe/tasks/ios/vision/pose_landmarker/utils/BUILD index 94c945bc1..346f7e67d 100644 --- a/mediapipe/tasks/ios/vision/pose_landmarker/utils/BUILD +++ b/mediapipe/tasks/ios/vision/pose_landmarker/utils/BUILD @@ -36,3 +36,20 @@ objc_library( "//mediapipe/tasks/ios/vision/pose_landmarker:MPPPoseLandmarkerOptions", ], ) +objc_library( + name = "MPPPoseLandmarkerResultHelpers", + srcs = ["sources/MPPPoseLandmarkerResult+Helpers.mm"], + hdrs = ["sources/MPPPoseLandmarkerResult+Helpers.h"], + copts = [ + "-ObjC++", + "-std=c++17", + "-x objective-c++", + ], + deps = [ + "//mediapipe/framework:packet", + "//mediapipe/framework/formats:image", + "//mediapipe/framework/formats:landmark_cc_proto", + "//mediapipe/tasks/ios/components/containers/utils:MPPLandmarkHelpers", + "//mediapipe/tasks/ios/vision/pose_landmarker:MPPPoseLandmarkerResult", + ], +) diff --git a/mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.h b/mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.h new file mode 100644 index 000000000..bf8e5495d --- /dev/null +++ b/mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.h @@ -0,0 +1,65 @@ +// 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. + +#import "mediapipe/tasks/ios/vision/pose_landmarker/sources/MPPPoseLandmarkerResult.h" + +#include "mediapipe/framework/formats/image.h" +#include "mediapipe/framework/formats/landmark.pb.h" +#include "mediapipe/framework/packet.h" + +NS_ASSUME_NONNULL_BEGIN + +static const int kMicroSecondsPerMilliSecond = 1000; + +@interface MPPPoseLandmarkerResult (Helpers) + +/** + * Creates an `MPPPoseLandmarkerResult` from landmarks, world landmarks and segmentation mask + * packets. + * + * @param landmarksPacket A MediaPipe packet wrapping a `std::vector`. + * @param worldLandmarksPacket A MediaPipe packet wrapping a `std::vector`. + * @param segmentationMasksPacket a MediaPipe packet wrapping a `std::vector`. + * + * @return An `MPPPoseLandmarkerResult` object that contains the hand landmark detection + * results. + */ ++ (MPPPoseLandmarkerResult *) + poseLandmarkerResultWithLandmarksPacket:(const mediapipe::Packet &)landmarksPacket + worldLandmarksPacket:(const mediapipe::Packet &)worldLandmarksPacket + segmentationMasksPacket:(const mediapipe::Packet *)segmentationMasksPacket; + +/** + * Creates an `MPPPoseLandmarkerResult` from landmarks, world landmarks and segmentation mask + * images. + * + * @param landmarksProto A vector of protos of type `std::vector`. + * @param worldLandmarksPacket A vector of protos of type `std::vector`. + * @param segmentationMasks A vector of type `std::vector`. + * @param timestampInMilliSeconds The timestamp of the Packet that contained the result. + * + * @return An `MPPPoseLandmarkerResult` object that contains the pose landmark detection + * results. + */ ++ (MPPPoseLandmarkerResult *) + poseLandmarkerResultWithLandmarksProto: + (const std::vector &)landmarksProto + worldLandmarksProto: + (const std::vector &)worldLandmarksProto + segmentationMasks:(const std::vector *)segmentationMasks + timestampInMilliSeconds:(NSInteger)timestampInMilliseconds; + +@end + +NS_ASSUME_NONNULL_END diff --git a/mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.mm b/mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.mm new file mode 100644 index 000000000..8995504e1 --- /dev/null +++ b/mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.mm @@ -0,0 +1,122 @@ +// 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. + +#import "mediapipe/tasks/ios/vision/pose_landmarker/utils/sources/MPPPoseLandmarkerResult+Helpers.h" + +#import "mediapipe/tasks/ios/components/containers/utils/sources/MPPLandmark+Helpers.h" + +namespace { +using LandmarkListProto = ::mediapipe::LandmarkList; +using NormalizedLandmarkListProto = ::mediapipe::NormalizedLandmarkList; +using ::mediapipe::Image; +using ::mediapipe::Packet; +} // namespace + +@implementation MPPPoseLandmarkerResult (Helpers) + ++ (MPPPoseLandmarkerResult *)emptyPoseLandmarkerResultWithTimestampInMilliseconds: + (NSInteger)timestampInMilliseconds { + return [[MPPPoseLandmarkerResult alloc] initWithLandmarks:@[] + worldLandmarks:@[] + segmentationMasks:@[] + timestampInMilliseconds:timestampInMilliseconds]; +} + ++ (MPPPoseLandmarkerResult *) + poseLandmarkerResultWithLandmarksProto: + (const std::vector &)landmarksProto + worldLandmarksProto: + (const std::vector &)worldLandmarksProto + segmentationMasks:(const std::vector *)segmentationMasks + timestampInMilliSeconds:(NSInteger)timestampInMilliseconds { + NSMutableArray *> *multiplePoseLandmarks = + [NSMutableArray arrayWithCapacity:(NSUInteger)landmarksProto.size()]; + + for (const auto &landmarkListProto : landmarksProto) { + NSMutableArray *landmarks = + [NSMutableArray arrayWithCapacity:(NSUInteger)landmarkListProto.landmark().size()]; + for (const auto &normalizedLandmarkProto : landmarkListProto.landmark()) { + MPPNormalizedLandmark *normalizedLandmark = + [MPPNormalizedLandmark normalizedLandmarkWithProto:normalizedLandmarkProto]; + [landmarks addObject:normalizedLandmark]; + } + [multiplePoseLandmarks addObject:landmarks]; + } + + NSMutableArray *> *multiplePoseWorldLandmarks = + [NSMutableArray arrayWithCapacity:(NSUInteger)worldLandmarksProto.size()]; + + for (const auto &worldLandmarkListProto : worldLandmarksProto) { + NSMutableArray *worldLandmarks = + [NSMutableArray arrayWithCapacity:(NSUInteger)worldLandmarkListProto.landmark().size()]; + for (const auto &landmarkProto : worldLandmarkListProto.landmark()) { + MPPLandmark *landmark = [MPPLandmark landmarkWithProto:landmarkProto]; + [worldLandmarks addObject:landmark]; + } + [multiplePoseWorldLandmarks addObject:worldLandmarks]; + } + + NSMutableArray *confidenceMasks = + [NSMutableArray arrayWithCapacity:(NSUInteger)segmentationMasks->size()]; + + for (const auto &segmentationMask : *segmentationMasks) { + [confidenceMasks addObject:[[MPPMask alloc] initWithFloat32Data:(float *)segmentationMask + .GetImageFrameSharedPtr() + .get() + ->PixelData() + width:segmentationMask.width() + height:segmentationMask.height() + /** Always deep copy */ + shouldCopy:YES]]; + } + + MPPPoseLandmarkerResult *poseLandmarkerResult = + [[MPPPoseLandmarkerResult alloc] initWithLandmarks:multiplePoseLandmarks + worldLandmarks:multiplePoseWorldLandmarks + segmentationMasks:confidenceMasks + timestampInMilliseconds:timestampInMilliseconds]; + return poseLandmarkerResult; +} + ++ (MPPPoseLandmarkerResult *) + poseLandmarkerResultWithLandmarksPacket:(const Packet &)landmarksPacket + worldLandmarksPacket:(const Packet &)worldLandmarksPacket + segmentationMasksPacket:(const Packet *)segmentationMasksPacket { + NSInteger timestampInMilliseconds = + (NSInteger)(landmarksPacket.Timestamp().Value() / kMicroSecondsPerMilliSecond); + + if (landmarksPacket.IsEmpty()) { + return [MPPPoseLandmarkerResult + emptyPoseLandmarkerResultWithTimestampInMilliseconds:timestampInMilliseconds]; + } + + if (!landmarksPacket.ValidateAsType>().ok() || + !worldLandmarksPacket.ValidateAsType>().ok()) { + return [MPPPoseLandmarkerResult + emptyPoseLandmarkerResultWithTimestampInMilliseconds:timestampInMilliseconds]; + } + + const std::vector *segmentationMasks = + segmentationMasksPacket ? &(segmentationMasksPacket->Get>()) : nullptr; + + return [MPPPoseLandmarkerResult + poseLandmarkerResultWithLandmarksProto:landmarksPacket + .Get>() + worldLandmarksProto:worldLandmarksPacket + .Get>() + segmentationMasks:segmentationMasks + timestampInMilliSeconds:timestampInMilliseconds]; +} + +@end