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Added MPPGestureRecognizerResult

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This commit is contained in:
Prianka Liz Kariat 2023-04-07 00:58:26 +05:30
parent 1992dfdf2c
commit 6f5b12d056
3 changed files with 128 additions and 0 deletions
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mediapipe/tasks/ios/vision/gesture_recognizer/BUILD Normal file
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# Copyright 2023 The MediaPipe Authors. All Rights Reserved.
#
# 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"])
objc_library(
name = "MPPGestureRecognizerResult",
srcs = ["sources/MPPGestureRecognizerResult.m"],
hdrs = ["sources/MPPGestureRecognizerResult.h"],
deps = [
"//mediapipe/tasks/ios/components/containers:MPPCategory",
"//mediapipe/tasks/ios/components/containers:MPPLandmark",
"//mediapipe/tasks/ios/core:MPPTaskResult",
],
)

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mediapipe/tasks/ios/vision/gesture_recognizer/sources/MPPGestureRecognizerResult.h Normal file
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// 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 <Foundation/Foundation.h>
#import "mediapipe/tasks/ios/components/containers/sources/MPPCategory.h"
#import "mediapipe/tasks/ios/components/containers/sources/MPPLandmark.h"
#import "mediapipe/tasks/ios/core/sources/MPPTaskResult.h"
NS_ASSUME_NONNULL_BEGIN
/** Represents the gesture recognition results generated by MPPGestureRecognizer. */
NS_SWIFT_NAME(GestureRecognizerResult)
@interface MPPGestureRecognizerResult : MPPTaskResult
/** Hand landmarks of detected hands. */
@property(nonatomic, readonly) NSArray<NSArray<MPPLandmark *> *> *landmarks;
/** Hand landmarks in world coordniates of detected hands. */
@property(nonatomic, readonly) NSArray<NSArray<MPPLandmark *> *> *worldLandmarks;
/** Handedness of detected hands. */
@property(nonatomic, readonly) NSArray<NSArray<MPPCategory *> *> *handedness;
/**
* Recognized hand gestures of detected hands. Note that the index of the gesture is always -1,
* because the raw indices from multiple gesture classifiers cannot consolidate to a meaningful
* index.
*/
@property(nonatomic, readonly) NSArray<NSArray<MPPCategory *> *> *gestures;
/**
* Initializes a new `MPPGestureRecognizerResult` with the given landmarks, world landmarks,
* handedness, gestures and timestamp (in milliseconds).
*
* @param landmarks The hand landmarks of detected hands.
* @param worldLandmarks The hand landmarks in world coordniates of detected hands.
* @param handedness The handedness of detected hands.
* @param handedness The recognized hand gestures of detected hands.
* @param timestampMs The timestamp for this result.
*
* @return An instance of `MPPGestureRecognizerResult` initialized with the given landmarks, world
* landmarks, handedness and gestures.
*
*/
- (instancetype)initWithLandmarks:(NSArray<NSArray<MPPLandmark *> *> *)landmarks
worldLandmarks:(NSArray<NSArray<MPPLandmark *> *> *)worldLandmarks
handedness:(NSArray<NSArray<MPPCategory *> *> *)handedness
gestures:(NSArray<NSArray<MPPCategory *> *> *)gestures
timestampMs:(NSInteger)timestampMs;
@end
NS_ASSUME_NONNULL_END

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mediapipe/tasks/ios/vision/gesture_recognizer/sources/MPPGestureRecognizerResult.m Normal file
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// 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"
@implementation MPPGestureRecognizerResult
- (instancetype)initWithLandmarks:(NSArray<NSArray<MPPLandmark *> *> *)landmarks
worldLandmarks:(NSArray<NSArray<MPPLandmark *> *> *)worldLandmarks
handedness:(NSArray<NSArray<MPPCategory *> *> *)handedness
gestures:(NSArray<NSArray<MPPCategory *> *> *)gestures
timestampMs:(NSInteger)timestampMs {
self = [super initWithTimestampMs:timestampMs];
if (self) {
_landmarks = landmarks;
_worldLandmarks = worldLandmarks;
_handedness = handedness;
_gestures = gestures;
}
return self;
}
@end