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Merge pull request #12169 from berak:photo_decolor

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This commit is contained in:
Alexander Alekhin 2018-08-07 16:01:42 +00:00
commit 377e51df83
1 changed files with 18 additions and 9 deletions
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27
modules/photo/src/contrast_preserve.hpp
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@ -204,14 +204,19 @@ void Decolor::add_to_vector_poly(vector < vector <double> > &polyGrad, const vec
idx1++;
}
void Decolor::weak_order(const Mat &img, vector <double> &alf) const
void Decolor::weak_order(const Mat &im, vector <double> &alf) const
{
const int h = img.size().height;
const int w = img.size().width;
Mat img;
const int h = im.size().height;
const int w = im.size().width;
if((h + w) > 800)
{
const double sizefactor = double(800)/(h+w);
resize(img, img, Size(cvRound(h*sizefactor), cvRound(w*sizefactor)));
resize(im, img, Size(cvRound(h*sizefactor), cvRound(w*sizefactor)));
}
else
{
img = im;
}
Mat curIm = Mat(img.size(),CV_32FC1);
@ -246,16 +251,20 @@ void Decolor::weak_order(const Mat &img, vector <double> &alf) const
alf[i] -= tmp1[i] * tmp2[i] * tmp3[i];
}
void Decolor::grad_system(const Mat &img, vector < vector < double > > &polyGrad,
void Decolor::grad_system(const Mat &im, vector < vector < double > > &polyGrad,
vector < double > &Cg, vector <Vec3i>& comb) const
{
int h = img.size().height;
int w = img.size().width;
Mat img;
int h = im.size().height;
int w = im.size().width;
if((h + w) > 800)
{
const double sizefactor = double(800)/(h+w);
resize(img, img, Size(cvRound(h*sizefactor), cvRound(w*sizefactor)));
resize(im, img, Size(cvRound(h*sizefactor), cvRound(w*sizefactor)));
}
else
{
img = im;
}
h = img.size().height;