message: Removed unnecessary assertion
diff: @@ -4150,9 +4150,8 @@ double cv::PSNR(InputArray _src1, InputArray _src2)
  {
  CV_INSTRUMENT_REGION()
  - //Input arrays must have depth CV_8U and be of identical size
  + //Input arrays must have depth CV_8U
  CV_Assert( _src1.depth() == CV_8U && _src2.depth() == CV_8U );
  - CV_Assert( _src1.rows() == _src2.rows() && _src1.cols() == _src2.cols() && _src1.dims() == _src2.dims() );
  double diff = std::sqrt(norm(_src1, _src2, NORM_L2SQR)/(_src1.total()*_src1.channels()));
  return 20*log10(255./(diff+DBL_EPSILON));
  