Merge pull request #4497 from priankakariatyml:ios-hand-landmarker-utils
PiperOrigin-RevId: 538238944
This commit is contained in:
commit
70e00b4dbe
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@ -60,3 +60,9 @@ objc_library(
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srcs = ["sources/MPPLandmark.m"],
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hdrs = ["sources/MPPLandmark.h"],
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)
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objc_library(
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name = "MPPConnection",
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srcs = ["sources/MPPConnection.m"],
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hdrs = ["sources/MPPConnection.h"],
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)
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|
|
@ -0,0 +1,44 @@
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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 <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/** The value class representing a landmark connection. */
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NS_SWIFT_NAME(Connection)
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@interface MPPConnection : NSObject
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@property(nonatomic, readonly) NSUInteger start;
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@property(nonatomic, readonly) NSUInteger end;
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/**
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* Initializes a new `MPPConnection` with the start and end landmarks integer constants.
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*
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* @param start The integer representing the starting landmark of the connection.
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* @param end The integer representing the ending landmark of the connection.
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*
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* @return An instance of `MPPConnection` initialized with the given start and end landmarks integer
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* constants.
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*/
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- (instancetype)initWithStart:(NSUInteger)start end:(NSUInteger)end NS_DESIGNATED_INITIALIZER;
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- (instancetype)init NS_UNAVAILABLE;
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+ (instancetype)new NS_UNAVAILABLE;
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@end
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NS_ASSUME_NONNULL_END
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@ -0,0 +1,28 @@
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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 "mediapipe/tasks/ios/components/containers/sources/MPPConnection.h"
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@implementation MPPConnection
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- (instancetype)initWithStart:(NSUInteger)start end:(NSUInteger)end {
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self = [super init];
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if (self) {
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_start = start;
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_end = end;
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}
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return self;
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}
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@end
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@ -37,3 +37,26 @@ objc_library(
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"//mediapipe/tasks/ios/vision/core:MPPRunningMode",
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],
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)
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objc_library(
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name = "MPPHandLandmarker",
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hdrs = ["sources/MPPHandLandmarker.h"],
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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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module_name = "MPPHandLandmarker",
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deps = [
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":MPPHandLandmarkerOptions",
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":MPPHandLandmarkerResult",
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"//mediapipe/tasks/ios/components/containers:MPPConnection",
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"//mediapipe/tasks/ios/vision/core:MPPImage",
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],
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)
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objc_library(
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name = "MPPHandLandmark",
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hdrs = ["sources/MPPHandLandmark.h"],
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module_name = "MPPHandLandmark",
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)
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|
|
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@ -0,0 +1,65 @@
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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 <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* The enum containing the 21 hand landmarks.
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*/
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typedef NS_ENUM(NSUInteger, MPPHandLandmark) {
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MPPHandLandmarkWrist,
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MPPHandLandmarkThumbCMC,
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MPPHandLandmarkThumbMCP,
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MPPHandLandmarkThumbIP,
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MPPHandLandmarkIndexFingerMCP,
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MPPHandLandmarkIndexFingerPIP,
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MPPHandLandmarkIndexFingerDIP,
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MPPHandLandmarkIndexFingerTIP,
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MPPHandLandmarkMiddleFingerMCP,
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MPPHandLandmarkMiddleFingerPIP,
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MPPHandLandmarkMiddleFingerDIP,
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MPPHandLandmarkMiddleFingerTIP,
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MPPHandLandmarkRingFingerMCP,
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MPPHandLandmarkRingFingerPIP,
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MPPHandLandmarkRingFingerDIP,
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MPPHandLandmarkRingFingerTIP,
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MPPHandLandmarkPinkyMCP,
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MPPHandLandmarkPinkyPIP,
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MPPHandLandmarkPinkyDIP,
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MPPHandLandmarkPinkyTIP,
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} NS_SWIFT_NAME(HandLandmark);
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NS_ASSUME_NONNULL_END
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@ -0,0 +1,205 @@
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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.
|
||||
// You may obtain a copy of the License at
|
||||
//
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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,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <Foundation/Foundation.h>
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#import "mediapipe/tasks/ios/components/containers/sources/MPPConnection.h"
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#import "mediapipe/tasks/ios/vision/core/sources/MPPImage.h"
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#import "mediapipe/tasks/ios/vision/hand_landmarker/sources/MPPHandLandmarkerOptions.h"
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#import "mediapipe/tasks/ios/vision/hand_landmarker/sources/MPPHandLandmarkerResult.h"
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NS_ASSUME_NONNULL_BEGIN
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/**
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* @brief Performs hand landmarks detection on images.
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*
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* This API expects a pre-trained hand landmarks model asset bundle.
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*/
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NS_SWIFT_NAME(HandLandmarker)
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@interface MPPHandLandmarker : NSObject
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/**
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* Creates a new instance of `MPPHandLandmarker` from an absolute path to a model asset bundle
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* stored locally on the device and the default `MPPHandLandmarkerOptions`.
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*
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* @param modelPath An absolute path to a model asset bundle stored locally on the device.
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* @param error An optional error parameter populated when there is an error in initializing the
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* hand landmarker.
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*
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* @return A new instance of `MPPHandLandmarker` with the given model path. `nil` if there is an
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* error in initializing the hand landmarker.
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*/
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- (nullable instancetype)initWithModelPath:(NSString *)modelPath error:(NSError **)error;
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/**
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* Creates a new instance of `MPPHandLandmarker` from the given `MPPHandLandmarkerOptions`.
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*
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* @param options The options of type `MPPHandLandmarkerOptions` to use for configuring the
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* `MPPHandLandmarker`.
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* @param error An optional error parameter populated when there is an error in initializing the
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* hand landmarker.
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*
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* @return A new instance of `MPPHandLandmarker` with the given options. `nil` if there is an
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* error in initializing the hand landmarker.
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*/
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- (nullable instancetype)initWithOptions:(MPPHandLandmarkerOptions *)options
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error:(NSError **)error NS_DESIGNATED_INITIALIZER;
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/**
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* Performs hand landmarks detection on the provided `MPPImage` using the whole image as region of
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* interest. Rotation will be applied according to the `orientation` property of the provided
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* `MPPImage`. Only use this method when the `MPPHandLandmarker` is created with
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* `MPPRunningModeImage`.
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*
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* This method supports performing hand landmarks detection on RGBA images. If your `MPPImage` has a
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* source type of `MPPImageSourceTypePixelBuffer` or `MPPImageSourceTypeSampleBuffer`, the
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* underlying pixel buffer must have one of the following pixel format types:
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* 1. kCVPixelFormatType_32BGRA
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* 2. kCVPixelFormatType_32RGBA
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*
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* If your `MPPImage` has a source type of `MPPImageSourceTypeImage` ensure that the color space is
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* RGB with an Alpha channel.
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*
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* @param image The `MPPImage` on which hand landmarks detection is to be performed.
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* @param error An optional error parameter populated when there is an error in performing hand
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* landmarks detection on the input image.
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*
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* @return An `MPPHandLandmarkerResult` object that contains the hand hand landmarks detection
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* results.
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*/
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- (nullable MPPHandLandmarkerResult *)detectInImage:(MPPImage *)image
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error:(NSError **)error NS_SWIFT_NAME(detect(image:));
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/**
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* Performs hand landmarks detection on the provided video frame of type `MPPImage` using the whole
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* image as region of interest. Rotation will be applied according to the `orientation` property of
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* the provided `MPPImage`. Only use this method when the `MPPHandLandmarker` is created with
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||||
* `MPPRunningModeVideo`.
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||||
*
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||||
* It's required to provide the video frame's timestamp (in milliseconds). The input timestamps must
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||||
* be monotonically increasing.
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||||
*
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||||
* This method supports performing hand landmarks detection on RGBA images. If your `MPPImage` has a
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||||
* source type of `MPPImageSourceTypePixelBuffer` or `MPPImageSourceTypeSampleBuffer`, the
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||||
* underlying pixel buffer must have one of the following pixel format types:
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||||
* 1. kCVPixelFormatType_32BGRA
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||||
* 2. kCVPixelFormatType_32RGBA
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||||
*
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||||
* If your `MPPImage` has a source type of `MPPImageSourceTypeImage` ensure that the color space is
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||||
* RGB with an Alpha channel.
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||||
*
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||||
* @param image The `MPPImage` on which hand landmarks detection is to be performed.
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||||
* @param timestampInMilliseconds The video frame's timestamp (in milliseconds). The input
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||||
* timestamps must be monotonically increasing.
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||||
* @param error An optional error parameter populated when there is an error in performing hand
|
||||
* landmarks detection on the input video frame.
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||||
*
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||||
* @return An `MPPHandLandmarkerResult` object that contains the hand hand landmarks detection
|
||||
* results.
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||||
*/
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- (nullable MPPHandLandmarkerResult *)detectInVideoFrame:(MPPImage *)image
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timestampInMilliseconds:(NSInteger)timestampInMilliseconds
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||||
error:(NSError **)error
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||||
NS_SWIFT_NAME(detect(videoFrame:timestampInMilliseconds:));
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||||
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||||
/**
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* Sends live stream image data of type `MPPImage` to perform hand landmarks detection using the
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* whole image as region of interest. Rotation will be applied according to the `orientation`
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||||
* property of the provided `MPPImage`. Only use this method when the `MPPHandLandmarker` is created
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||||
* with `MPPRunningModeLiveStream`.
|
||||
*
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||||
* The object which needs to be continuously notified of the available results of hand landmarks
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||||
* detection must confirm to `MPPHandLandmarkerLiveStreamDelegate` protocol and implement the
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* `handLandmarker:didFinishDetectionWithResult:timestampInMilliseconds:error:`
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||||
* delegate method.
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||||
*
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||||
* It's required to provide a timestamp (in milliseconds) to indicate when the input image is sent
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* to the hand landmarker. The input timestamps must be monotonically increasing.
|
||||
*
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||||
* This method supports performing hand landmarks detection on RGBA images. If your `MPPImage` has a
|
||||
* source type of `MPPImageSourceTypePixelBuffer` or `MPPImageSourceTypeSampleBuffer`, the
|
||||
* underlying pixel buffer must have one of the following pixel format types:
|
||||
* 1. kCVPixelFormatType_32BGRA
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||||
* 2. kCVPixelFormatType_32RGBA
|
||||
*
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||||
* If the input `MPPImage` has a source type of `MPPImageSourceTypeImage` ensure that the color
|
||||
* space is RGB with an Alpha channel.
|
||||
*
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* If this method is used for performing hand landmarks detection on live camera frames using
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* `AVFoundation`, ensure that you request `AVCaptureVideoDataOutput` to output frames in
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* `kCMPixelFormat_32RGBA` using its `videoSettings` property.
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*
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||||
* @param image A live stream image data of type `MPPImage` on which hand landmarks detection is to
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* be performed.
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||||
* @param timestampInMilliseconds The timestamp (in milliseconds) which indicates when the input
|
||||
* image is sent to the hand landmarker. The input timestamps must be monotonically increasing.
|
||||
* @param error An optional error parameter populated when there is an error in performing hand
|
||||
* landmarks detection on the input live stream image data.
|
||||
*
|
||||
* @return `YES` if the image was sent to the task successfully, otherwise `NO`.
|
||||
*/
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- (BOOL)detectAsyncInImage:(MPPImage *)image
|
||||
timestampInMilliseconds:(NSInteger)timestampInMilliseconds
|
||||
error:(NSError **)error
|
||||
NS_SWIFT_NAME(detectAsync(image:timestampInMilliseconds:));
|
||||
|
||||
- (instancetype)init NS_UNAVAILABLE;
|
||||
|
||||
/**
|
||||
* Returns the connections between the landmarks in the palm.
|
||||
*
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* @return An array of connections between the landmarks in the palm.
|
||||
*/
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+ (NSArray<MPPConnection *> *)handPalmConnections;
|
||||
|
||||
/**
|
||||
* Returns the connections between the landmarks in the index finger.
|
||||
*
|
||||
* @return An array of connections between the landmarks in the index finger.
|
||||
*/
|
||||
+ (NSArray<MPPConnection *> *)handIndexFingerConnections;
|
||||
|
||||
/**
|
||||
* Returns the connections between the landmarks in the middle finger.
|
||||
*
|
||||
* @return An array of connections between the landmarks in the middle finger.
|
||||
*/
|
||||
+ (NSArray<MPPConnection *> *)handMiddleFingerConnections;
|
||||
|
||||
/**
|
||||
* Returns the connections between the landmarks in the ring finger.
|
||||
*
|
||||
* @return An array of connections between the landmarks in the ring finger.
|
||||
*/
|
||||
+ (NSArray<MPPConnection *> *)handRingFingerConnections;
|
||||
|
||||
/**
|
||||
* Returns the connections between the landmarks in the pinky.
|
||||
*
|
||||
* @return An array of connections between the landmarks in the pinky.
|
||||
*/
|
||||
+ (NSArray<MPPConnection *> *)handPinkyConnections;
|
||||
|
||||
/**
|
||||
* Returns the connections between all the landmarks in the hand.
|
||||
*
|
||||
* @return An array of connections between all the landmarks in the hand.
|
||||
*/
|
||||
+ (NSArray<MPPConnection *> *)handConnections;
|
||||
|
||||
+ (instancetype)new NS_UNAVAILABLE;
|
||||
|
||||
@end
|
||||
|
||||
NS_ASSUME_NONNULL_END
|
|
@ -31,3 +31,17 @@ objc_library(
|
|||
"//mediapipe/tasks/ios/vision/hand_landmarker:MPPHandLandmarkerOptions",
|
||||
],
|
||||
)
|
||||
|
||||
objc_library(
|
||||
name = "MPPHandLandmarkerResultHelpers",
|
||||
srcs = ["sources/MPPHandLandmarkerResult+Helpers.mm"],
|
||||
hdrs = ["sources/MPPHandLandmarkerResult+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/hand_landmarker:MPPHandLandmarkerResult",
|
||||
],
|
||||
)
|
||||
|
|
|
@ -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/hand_landmarker/sources/MPPHandLandmarkerResult.h"
|
||||
|
||||
#include "mediapipe/framework/formats/classification.pb.h"
|
||||
#include "mediapipe/framework/formats/landmark.pb.h"
|
||||
#include "mediapipe/framework/packet.h"
|
||||
|
||||
NS_ASSUME_NONNULL_BEGIN
|
||||
|
||||
static const int kMicroSecondsPerMilliSecond = 1000;
|
||||
|
||||
@interface MPPHandLandmarkerResult (Helpers)
|
||||
|
||||
/**
|
||||
* Creates an `MPPHandLandmarkerResult` from landmarks, world landmarks and handedness packets.
|
||||
*
|
||||
* @param landmarksPacket A MediaPipe packet wrapping a `std::vector<NormalizedlandmarkListProto>`.
|
||||
* @param worldLandmarksPacket A MediaPipe packet wrapping a `std::vector<LandmarkListProto>`.
|
||||
* @param handednessPacket a MediaPipe packet wrapping a `std::vector<ClassificationListProto>`.
|
||||
*
|
||||
* @return An `MPPHandLandmarkerResult` object that contains the hand landmark detection
|
||||
* results.
|
||||
*/
|
||||
+ (MPPHandLandmarkerResult *)
|
||||
handLandmarkerResultWithLandmarksPacket:(const mediapipe::Packet &)handLandmarksPacket
|
||||
worldLandmarksPacket:(const mediapipe::Packet &)worldLandmarksPacket
|
||||
handednessPacket:(const mediapipe::Packet &)handednessPacket;
|
||||
|
||||
/**
|
||||
* Creates an `MPPHandLandmarkerResult` from landmarks, world landmarks and handedness proto
|
||||
* vectors.
|
||||
*
|
||||
* @param landmarksProto A vector of protos of type `std::vector<NormalizedlandmarkListProto>`.
|
||||
* @param worldLandmarksPacket A vector of protos of type `std::vector<LandmarkListProto>`.
|
||||
* @param handednessPacket A vector of protos of type `std::vector<ClassificationListProto>`.
|
||||
* @param timestampInMilliSeconds The timestamp of the Packet that contained the result.
|
||||
*
|
||||
* @return An `MPPHandLandmarkerResult` object that contains the hand landmark detection
|
||||
* results.
|
||||
*/
|
||||
+ (MPPHandLandmarkerResult *)
|
||||
handLandmarkerResultWithLandmarksProto:
|
||||
(const std::vector<::mediapipe::NormalizedLandmarkList> &)landmarksProto
|
||||
worldLandmarksProto:
|
||||
(const std::vector<::mediapipe::LandmarkList> &)worldLandmarksProto
|
||||
handednessProto:
|
||||
(const std::vector<::mediapipe::ClassificationList> &)handednessProto
|
||||
timestampInMilliSeconds:(NSInteger)timestampInMilliseconds;
|
||||
|
||||
@end
|
||||
|
||||
NS_ASSUME_NONNULL_END
|
|
@ -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/hand_landmarker/utils/sources/MPPHandLandmarkerResult+Helpers.h"
|
||||
|
||||
#import "mediapipe/tasks/ios/components/containers/utils/sources/MPPCategory+Helpers.h"
|
||||
#import "mediapipe/tasks/ios/components/containers/utils/sources/MPPLandmark+Helpers.h"
|
||||
|
||||
namespace {
|
||||
using ClassificationListProto = ::mediapipe::ClassificationList;
|
||||
using LandmarkListProto = ::mediapipe::LandmarkList;
|
||||
using NormalizedLandmarkListProto = ::mediapipe::NormalizedLandmarkList;
|
||||
using ::mediapipe::Packet;
|
||||
} // namespace
|
||||
|
||||
@implementation MPPHandLandmarkerResult (Helpers)
|
||||
|
||||
+ (MPPHandLandmarkerResult *)emptyHandLandmarkerResultWithTimestampInMilliseconds:
|
||||
(NSInteger)timestampInMilliseconds {
|
||||
return [[MPPHandLandmarkerResult alloc] initWithLandmarks:@[]
|
||||
worldLandmarks:@[]
|
||||
handedness:@[]
|
||||
timestampInMilliseconds:timestampInMilliseconds];
|
||||
}
|
||||
|
||||
+ (MPPHandLandmarkerResult *)
|
||||
handLandmarkerResultWithLandmarksProto:
|
||||
(const std::vector<NormalizedLandmarkListProto> &)landmarksProto
|
||||
worldLandmarksProto:
|
||||
(const std::vector<LandmarkListProto> &)worldLandmarksProto
|
||||
handednessProto:
|
||||
(const std::vector<ClassificationListProto> &)handednessProto
|
||||
timestampInMilliSeconds:(NSInteger)timestampInMilliseconds {
|
||||
NSMutableArray<NSMutableArray<MPPNormalizedLandmark *> *> *multiHandLandmarks =
|
||||
[NSMutableArray arrayWithCapacity:(NSUInteger)landmarksProto.size()];
|
||||
|
||||
for (const auto &landmarkListProto : landmarksProto) {
|
||||
NSMutableArray<MPPNormalizedLandmark *> *landmarks =
|
||||
[NSMutableArray arrayWithCapacity:(NSUInteger)landmarkListProto.landmark().size()];
|
||||
for (const auto &normalizedLandmarkProto : landmarkListProto.landmark()) {
|
||||
MPPNormalizedLandmark *normalizedLandmark =
|
||||
[MPPNormalizedLandmark normalizedLandmarkWithProto:normalizedLandmarkProto];
|
||||
[landmarks addObject:normalizedLandmark];
|
||||
}
|
||||
[multiHandLandmarks addObject:landmarks];
|
||||
}
|
||||
|
||||
NSMutableArray<NSMutableArray<MPPLandmark *> *> *multiHandWorldLandmarks =
|
||||
[NSMutableArray arrayWithCapacity:(NSUInteger)worldLandmarksProto.size()];
|
||||
|
||||
for (const auto &worldLandmarkListProto : worldLandmarksProto) {
|
||||
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];
|
||||
}
|
||||
|
||||
NSMutableArray<NSMutableArray<MPPCategory *> *> *multiHandHandedness =
|
||||
[NSMutableArray arrayWithCapacity:(NSUInteger)handednessProto.size()];
|
||||
|
||||
for (const auto &classificationListProto : handednessProto) {
|
||||
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];
|
||||
}
|
||||
|
||||
MPPHandLandmarkerResult *handLandmarkerResult =
|
||||
[[MPPHandLandmarkerResult alloc] initWithLandmarks:multiHandLandmarks
|
||||
worldLandmarks:multiHandWorldLandmarks
|
||||
handedness:multiHandHandedness
|
||||
timestampInMilliseconds:timestampInMilliseconds];
|
||||
return handLandmarkerResult;
|
||||
}
|
||||
|
||||
+ (MPPHandLandmarkerResult *)
|
||||
handLandmarkerResultWithLandmarksPacket:(const Packet &)landmarksPacket
|
||||
worldLandmarksPacket:(const Packet &)worldLandmarksPacket
|
||||
handednessPacket:(const Packet &)handednessPacket {
|
||||
NSInteger timestampInMilliseconds =
|
||||
(NSInteger)(landmarksPacket.Timestamp().Value() / kMicroSecondsPerMilliSecond);
|
||||
|
||||
if (landmarksPacket.IsEmpty()) {
|
||||
return [MPPHandLandmarkerResult
|
||||
emptyHandLandmarkerResultWithTimestampInMilliseconds:timestampInMilliseconds];
|
||||
}
|
||||
|
||||
if (!handednessPacket.ValidateAsType<std::vector<ClassificationListProto>>().ok() ||
|
||||
!landmarksPacket.ValidateAsType<std::vector<NormalizedLandmarkListProto>>().ok() ||
|
||||
!worldLandmarksPacket.ValidateAsType<std::vector<LandmarkListProto>>().ok()) {
|
||||
return [MPPHandLandmarkerResult
|
||||
emptyHandLandmarkerResultWithTimestampInMilliseconds:timestampInMilliseconds];
|
||||
}
|
||||
|
||||
return [MPPHandLandmarkerResult
|
||||
handLandmarkerResultWithLandmarksProto:landmarksPacket
|
||||
.Get<std::vector<NormalizedLandmarkListProto>>()
|
||||
worldLandmarksProto:worldLandmarksPacket
|
||||
.Get<std::vector<LandmarkListProto>>()
|
||||
handednessProto:handednessPacket
|
||||
.Get<std::vector<ClassificationListProto>>()
|
||||
timestampInMilliSeconds:timestampInMilliseconds];
|
||||
}
|
||||
|
||||
@end
|
Loading…
Reference in New Issue
Block a user