Added MPPGestureRecognizerResultHelpers
This commit is contained in:
parent
ebd1545506
commit
501b4bbc7b
|
@ -31,3 +31,16 @@ objc_library(
|
||||||
],
|
],
|
||||||
)
|
)
|
||||||
|
|
||||||
|
objc_library(
|
||||||
|
name = "MPPGestureRecognizerResultHelpers",
|
||||||
|
srcs = ["sources/MPPGestureRecognizerResult+Helpers.mm"],
|
||||||
|
hdrs = ["sources/MPPGestureRecognizerResult+Helpers.h"],
|
||||||
|
deps = [
|
||||||
|
"//mediapipe/framework:packet",
|
||||||
|
"//mediapipe/framework/formats:classification_cc_proto",
|
||||||
|
"//mediapipe/framework/formats:landmark_cc_proto",
|
||||||
|
"//mediapipe/tasks/ios/components/containers/utils:MPPCategoryHelpers",
|
||||||
|
"//mediapipe/tasks/ios/components/containers/utils:MPPLandmarkHelpers",
|
||||||
|
"//mediapipe/tasks/ios/vision/gesture_recognizer:MPPGestureRecognizerResult",
|
||||||
|
],
|
||||||
|
)
|
||||||
|
|
|
@ -0,0 +1,46 @@
|
||||||
|
// 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/gesture_recognizer/sources/MPPGestureRecognizerResult.h"
|
||||||
|
|
||||||
|
#include "mediapipe/framework/packet.h"
|
||||||
|
|
||||||
|
NS_ASSUME_NONNULL_BEGIN
|
||||||
|
|
||||||
|
static const int kMicroSecondsPerMilliSecond = 1000;
|
||||||
|
|
||||||
|
@interface MPPGestureRecognizerResult (Helpers)
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Creates an `MPPGestureRecognizerResult` from hand gestures, handedness, hand landmarks and world
|
||||||
|
* landmarks packets.
|
||||||
|
*
|
||||||
|
* @param handGesturesPacket a MediaPipe packet wrapping a`std::vector<ClassificationListProto>`.
|
||||||
|
* @param handednessPacket a MediaPipe packet wrapping a`std::vector<ClassificationListProto>`.
|
||||||
|
* @param handLandmarksPacket a MediaPipe packet wrapping
|
||||||
|
* a`std::vector<NormalizedlandmarkListProto>`.
|
||||||
|
* @param handLandmarksPacket a MediaPipe packet wrapping a`std::vector<LandmarkListProto>`.
|
||||||
|
*
|
||||||
|
* @return An `MPPGestureRecognizerResult` object that contains the hand gesture recognition
|
||||||
|
* results.
|
||||||
|
*/
|
||||||
|
+ (MPPGestureRecognizerResult *)
|
||||||
|
gestureRecognizerResultWithHandGesturesPacket:(const mediapipe::Packet &)handGesturesPacket
|
||||||
|
handednessPacket:(const mediapipe::Packet &)handednessPacket
|
||||||
|
handLandmarksPacket:(const mediapipe::Packet &)handLandmarksPacket
|
||||||
|
worldLandmarksPacket:(const mediapipe::Packet &)worldLandmarksPacket;
|
||||||
|
|
||||||
|
@end
|
||||||
|
|
||||||
|
NS_ASSUME_NONNULL_END
|
|
@ -0,0 +1,128 @@
|
||||||
|
// 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/gesture_recognizer/utils/sources/MPPGestureRecognizerResult+Helpers.h"
|
||||||
|
|
||||||
|
#import "mediapipe/tasks/ios/components/containers/utils/sources/MPPCategory+Helpers.h"
|
||||||
|
#import "mediapipe/tasks/ios/components/containers/utils/sources/MPPLandmark+Helpers.h"
|
||||||
|
|
||||||
|
#include "mediapipe/framework/formats/classification.pb.h"
|
||||||
|
#include "mediapipe/framework/formats/landmark.pb.h"
|
||||||
|
#include "mediapipe/framework/packet.h"
|
||||||
|
|
||||||
|
namespace {
|
||||||
|
using ClassificationListProto = ::mediapipe::ClassificationList;
|
||||||
|
using LandmarkListProto = ::mediapipe::LandmarkList;
|
||||||
|
using NormalizedLandmarkListProto = ::mediapipe::NormalizedLandmarkList;
|
||||||
|
using ::mediapipe::Packet;
|
||||||
|
} // namespace
|
||||||
|
|
||||||
|
@implementation MPPGestureRecognizerResult (Helpers)
|
||||||
|
|
||||||
|
+ (MPPGestureRecognizerResult *)
|
||||||
|
gestureRecognizerResultWithHandGesturesPacket:(const Packet &)handGesturesPacket
|
||||||
|
handednessPacket:(const Packet &)handednessPacket
|
||||||
|
handLandmarksPacket:(const Packet &)handLandmarksPacket
|
||||||
|
worldLandmarksPacket:(const Packet &)worldLandmarksPacket {
|
||||||
|
NSInteger timestampInMilliseconds =
|
||||||
|
(NSInteger)(handGesturesPacket.Timestamp().Value() / kMicroSecondsPerMilliSecond);
|
||||||
|
|
||||||
|
if (handGesturesPacket.IsEmpty()) {
|
||||||
|
return [[MPPGestureRecognizerResult alloc] initWithGestures:@[]
|
||||||
|
handedness:@[]
|
||||||
|
landmarks:@[]
|
||||||
|
worldLandmarks:@[]
|
||||||
|
timestampInMilliseconds:timestampInMilliseconds];
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!handGesturesPacket.ValidateAsType<std::vector<ClassificationListProto>>().ok() ||
|
||||||
|
!handednessPacket.ValidateAsType<std::vector<ClassificationListProto>>().ok() ||
|
||||||
|
!handLandmarksPacket.ValidateAsType<std::vector<NormalizedLandmarkListProto>>().ok() ||
|
||||||
|
!worldLandmarksPacket.ValidateAsType<std::vector<LandmarkListProto>>().ok()) {
|
||||||
|
return nil;
|
||||||
|
}
|
||||||
|
|
||||||
|
const std::vector<ClassificationListProto> &handGesturesClassificationListProtos =
|
||||||
|
handGesturesPacket.Get<std::vector<ClassificationListProto>>();
|
||||||
|
NSMutableArray<NSMutableArray<MPPCategory *> *> *multiHandGestures =
|
||||||
|
[NSMutableArray arrayWithCapacity:(NSUInteger)handGesturesClassificationListProtos.size()];
|
||||||
|
|
||||||
|
for (const auto &classificationListProto : handGesturesClassificationListProtos) {
|
||||||
|
NSMutableArray<MPPCategory *> *gestures = [NSMutableArray
|
||||||
|
arrayWithCapacity:(NSUInteger)classificationListProto.classification().size()];
|
||||||
|
for (const auto &classificationProto : classificationListProto.classification()) {
|
||||||
|
MPPCategory *category = [MPPCategory categoryWithProto:classificationProto];
|
||||||
|
[gestures addObject:category];
|
||||||
|
}
|
||||||
|
[multiHandGestures addObject:[gestures copy]];
|
||||||
|
}
|
||||||
|
|
||||||
|
const std::vector<ClassificationListProto> &handednessClassificationListProtos =
|
||||||
|
handednessPacket.Get<std::vector<ClassificationListProto>>();
|
||||||
|
NSMutableArray<NSMutableArray<MPPCategory *> *> *multiHandHandedness =
|
||||||
|
[NSMutableArray arrayWithCapacity:(NSUInteger)handednessClassificationListProtos.size()];
|
||||||
|
|
||||||
|
for (const auto &classificationListProto : handednessClassificationListProtos) {
|
||||||
|
NSMutableArray<MPPCategory *> *handedness = [NSMutableArray
|
||||||
|
arrayWithCapacity:(NSUInteger)classificationListProto.classification().size()];
|
||||||
|
for (const auto &classificationProto : classificationListProto.classification()) {
|
||||||
|
MPPCategory *category = [MPPCategory categoryWithProto:classificationProto];
|
||||||
|
[handedness addObject:category];
|
||||||
|
}
|
||||||
|
[multiHandHandedness addObject:[handedness copy]];
|
||||||
|
}
|
||||||
|
|
||||||
|
const std::vector<NormalizedLandmarkListProto> &handLandmarkListProtos =
|
||||||
|
handLandmarksPacket.Get<std::vector<NormalizedLandmarkListProto>>();
|
||||||
|
NSMutableArray<NSMutableArray<MPPNormalizedLandmark *> *> *multiHandLandmarks =
|
||||||
|
[NSMutableArray arrayWithCapacity:(NSUInteger)handLandmarkListProtos.size()];
|
||||||
|
|
||||||
|
for (const auto &handLandmarkListProto : handLandmarkListProtos) {
|
||||||
|
NSMutableArray<MPPNormalizedLandmark *> *handLandmarks =
|
||||||
|
[NSMutableArray arrayWithCapacity:(NSUInteger)handLandmarkListProto.landmark().size()];
|
||||||
|
for (const auto &normalizedLandmarkProto : handLandmarkListProto.landmark()) {
|
||||||
|
MPPNormalizedLandmark *normalizedLandmark =
|
||||||
|
[MPPNormalizedLandmark normalizedLandmarkWithProto:normalizedLandmarkProto];
|
||||||
|
[handLandmarks addObject:normalizedLandmark];
|
||||||
|
}
|
||||||
|
[multiHandLandmarks addObject:[handLandmarks copy]];
|
||||||
|
}
|
||||||
|
|
||||||
|
const std::vector<LandmarkListProto> &worldLandmarkListProtos =
|
||||||
|
worldLandmarksPacket.Get<std::vector<LandmarkListProto>>();
|
||||||
|
NSMutableArray<NSMutableArray<MPPLandmark *> *> *multiHandWorldLandmarks =
|
||||||
|
[NSMutableArray arrayWithCapacity:(NSUInteger)worldLandmarkListProtos.size()];
|
||||||
|
|
||||||
|
for (const auto &worldLandmarkListProto : worldLandmarkListProtos) {
|
||||||
|
NSMutableArray<MPPLandmark *> *worldLandmarks =
|
||||||
|
[NSMutableArray arrayWithCapacity:(NSUInteger)worldLandmarkListProto.landmark().size()];
|
||||||
|
for (const auto &landmarkProto : worldLandmarkListProto.landmark()) {
|
||||||
|
MPPLandmark *landmark =
|
||||||
|
[MPPLandmark landmarkWithProto:landmarkProto];
|
||||||
|
[worldLandmarks addObject:landmark];
|
||||||
|
}
|
||||||
|
[multiHandWorldLandmarks addObject:[worldLandmarks copy]];
|
||||||
|
}
|
||||||
|
|
||||||
|
MPPGestureRecognizerResult *gestureRecognizerResult =
|
||||||
|
[[MPPGestureRecognizerResult alloc] initWithGestures:[multiHandGestures copy]
|
||||||
|
handedness:[multiHandHandedness copy]
|
||||||
|
landmarks:[multiHandLandmarks copy]
|
||||||
|
worldLandmarks:[multiHandWorldLandmarks copy]
|
||||||
|
timestampInMilliseconds:timestampInMilliseconds];
|
||||||
|
|
||||||
|
return gestureRecognizerResult;
|
||||||
|
}
|
||||||
|
|
||||||
|
@end
|
Loading…
Reference in New Issue
Block a user