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Merge pull request #2375 from akarsakov:fix_getGradient

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Andrey Pavlenko 2014-02-20 21:41:43 +04:00 committed by OpenCV Buildbot
commit 9c5bd85247
1 changed files with 16 additions and 43 deletions
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59
modules/photo/src/seamless_cloning.hpp
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@ -79,61 +79,34 @@ class Cloning
void Cloning::getGradientx( const Mat &img, Mat &gx)
{
int w = img.size().width;
int h = img.size().height;
int channel = img.channels();
for(int i=0;i<h;i++)
for(int j=0;j<w;j++)
for(int c=0;c<channel;++c)
{
gx.at<float>(i,j*channel+c) =
(float)img.at<uchar>(i,(j+1)*channel+c) - (float)img.at<uchar>(i,j*channel+c);
}
Mat kernel = Mat::zeros(1, 3, CV_8S);
kernel.at<char>(0,2) = 1;
kernel.at<char>(0,1) = -1;
filter2D(img, gx, CV_32F, kernel);
}
void Cloning::getGradienty( const Mat &img, Mat &gy)
{
int w = img.size().width;
int h = img.size().height;
int channel = img.channels();
for(int i=0;i<h;i++)
for(int j=0;j<w;j++)
for(int c=0;c<channel;++c)
{
gy.at<float>(i,j*channel+c) =
(float)img.at<uchar>((i+1),j*channel+c) - (float)img.at<uchar>(i,j*channel+c);
}
Mat kernel = Mat::zeros(3, 1, CV_8S);
kernel.at<char>(2,0) = 1;
kernel.at<char>(1,0) = -1;
filter2D(img, gy, CV_32F, kernel);
}
void Cloning::lapx( const Mat &img, Mat &gxx)
{
int w = img.size().width;
int h = img.size().height;
int channel = img.channels();
for(int i=0;i<h;i++)
for(int j=0;j<w-1;j++)
for(int c=0;c<channel;++c)
{
gxx.at<float>(i,(j+1)*channel+c) =
(float)img.at<float>(i,(j+1)*channel+c) - (float)img.at<float>(i,j*channel+c);
}
Mat kernel = Mat::zeros(1, 3, CV_8S);
kernel.at<char>(0,0) = -1;
kernel.at<char>(0,1) = 1;
filter2D(img, gxx, CV_32F, kernel);
}
void Cloning::lapy( const Mat &img, Mat &gyy)
{
int w = img.size().width;
int h = img.size().height;
int channel = img.channels();
for(int i=0;i<h-1;i++)
for(int j=0;j<w;j++)
for(int c=0;c<channel;++c)
{
gyy.at<float>(i+1,j*channel+c) =
(float)img.at<float>((i+1),j*channel+c) - (float)img.at<float>(i,j*channel+c);
}
Mat kernel = Mat::zeros(3, 1, CV_8S);
kernel.at<char>(0,0) = -1;
kernel.at<char>(1,0) = 1;
filter2D(img, gyy, CV_32F, kernel);
}
void Cloning::dst(double *mod_diff, double *sineTransform,int h,int w)