compare method

@override double compare(InputArray hashOne, InputArray hashTwo)

Compare compares the hash value between a and b using RadialVarianceHash. For further information, see: https://docs.opencv.org/master/de/d29/classcv_1_1img__hash_1_1ImgHashBase.html#a444a3e9ec792cf029385809393f84ad5

Implementation

//
/// For further information, see:
/// https://docs.opencv.org/master/de/d29/classcv_1_1img__hash_1_1ImgHashBase.html#a444a3e9ec792cf029385809393f84ad5
@override
double compare(InputArray hashOne, InputArray hashTwo) {
  final p = calloc<ffi.Double>();
  cvRun(
    () => ccontrib.cv_img_hash_radialVarianceHash_compare(
      hashOne.ref,
      hashTwo.ref,
      sigma,
      numOfAngleLine,
      p,
      ffi.nullptr,
    ),
  );
  final rval = p.value;
  calloc.free(p);
  return rval;
}