private IEnumerable <IEnumerable <MModRect> > RawFaceLocationsBatched(IEnumerable <Image> faceImages, int numberOfTimesToUpsample = 1, int batchSize = 128)
 {
     return(CnnFaceDetectionModelV1.DetectMulti(this._CnnFaceDetector, faceImages, numberOfTimesToUpsample, batchSize));
 }