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43 lines
1.5 KiB
43 lines
1.5 KiB
//
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// SCCaptureFaceDetectionParser.h
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// Snapchat
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//
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// Created by Jiyang Zhu on 3/13/18.
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// Copyright © 2018 Snapchat, Inc. All rights reserved.
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//
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// This class offers methods to parse face bounds from raw data, e.g., AVMetadataObject, CIFeature.
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#import <SCBase/SCMacros.h>
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#import <AVFoundation/AVFoundation.h>
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#import <CoreImage/CoreImage.h>
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@interface SCCaptureFaceDetectionParser : NSObject
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SC_INIT_AND_NEW_UNAVAILABLE;
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- (instancetype)initWithFaceBoundsAreaThreshold:(CGFloat)minimumArea;
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/**
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Parse face bounds from AVMetadataObject.
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@param metadataObjects An array of AVMetadataObject.
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@return A dictionary, value is faceBounds: CGRect, key is faceID: NSString.
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*/
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- (NSDictionary<NSNumber *, NSValue *> *)parseFaceBoundsByFaceIDFromMetadataObjects:
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(NSArray<__kindof AVMetadataObject *> *)metadataObjects;
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/**
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Parse face bounds from CIFeature.
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@param features An array of CIFeature.
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@param imageSize Size of the image, where the feature are detected from.
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@param imageOrientation Orientation of the image.
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@return A dictionary, value is faceBounds: CGRect, key is faceID: NSString.
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*/
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- (NSDictionary<NSNumber *, NSValue *> *)parseFaceBoundsByFaceIDFromCIFeatures:(NSArray<__kindof CIFeature *> *)features
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withImageSize:(CGSize)imageSize
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imageOrientation:
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(CGImagePropertyOrientation)imageOrientation;
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@end
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