MMFacialExpressionDetector

表情检测器,根据MMFaceDetector (需提前开启检测器advancedExpressionDetectionEnabled字段)回吐的MMFaceFeature作为入参,检测表情。

1. 构造方法

  • 同步构造方法
    MMFacialExpressionDetector *detector = [[MCCDetectorsCenter sharedInstance] syncMakeFaceDetector:MCCFaceDetectorTypeFacialExpression];
    

2. 检测方法

  • 入参是MMFaceDetector 的单张脸数据,回吐多表情数组
- (NSArray<MMFacialExpression *> *)updateWithFaceFeature:(nullable MMFaceFeature *)faceFeature;

2.1. MMFacialExpression 介绍

  • 表情类型 (张嘴,眨眼,微笑,点头)

    @property (nonatomic,readonly) MMFacialExpressionType type;
    
  • 表情幅度 0~1 之间

    @property (nonatomic,readonly) float amount;
    

3. 重制方法

重制之前所有检测数据

- (void)reset;
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