//static
void QualityBRISQUE::computeFeatures(InputArray img, OutputArray features)
{
CV_Assert(features.needed());
CV_Assert(img.isMat());
CV_Assert(!img.getMat().empty());
auto mat = mat_convert(img.getMat());
const auto vals = ComputeBrisqueFeature(mat);
cv::Mat valmat( cv::Size( (int)vals.size(), 1 ), CV_32FC1, (void*)vals.data()); // create row vector, type depends on brisque_calc_element_type
if (features.isUMat())
valmat.copyTo(features.getUMatRef());
else if (features.isMat())
// how to move data instead?
// if calling this:
// features.getMatRef() = valmat;
// then shared data is erased when valmat is released, corrupting the data in the outputarray for the caller
valmat.copyTo(features.getMatRef());
else
CV_Error(cv::Error::StsNotImplemented, "Unsupported output type");
}
