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recursive filter output corrected

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This commit is contained in:
siddharth 2014-04-11 10:52:34 +05:30
parent 14631be59f
commit 1a14d8506d
1 changed files with 12 additions and 3 deletions
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15
modules/photo/src/npr.hpp
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@ -173,6 +173,7 @@ void Domain_Filter::compute_Rfilter(Mat &output, Mat &hz, float sigma_h)
{
int h = output.rows;
int w = output.cols;
int channel = output.channels();
float a = (float) exp((-1.0 * sqrt(2.0)) / sigma_h);
@ -185,11 +186,15 @@ void Domain_Filter::compute_Rfilter(Mat &output, Mat &hz, float sigma_h)
for(int j=0;j<w;j++)
V.at<float>(i,j) = pow(a,hz.at<float>(i,j));
for(int i=0; i<h; i++)
for(int i=0; i<h; i++)
{
for(int j =1; j < w; j++)
{
temp.at<float>(i,j) = temp.at<float>(i,j) + (temp.at<float>(i,j-1) - temp.at<float>(i,j)) * V.at<float>(i,j);
for(int c = 0; c<channel; c++)
{
temp.at<float>(i,j*channel+c) = temp.at<float>(i,j*channel+c) +
(temp.at<float>(i,(j-1)*channel+c) - temp.at<float>(i,j*channel+c)) * V.at<float>(i,j);
}
}
}
@ -197,7 +202,11 @@ void Domain_Filter::compute_Rfilter(Mat &output, Mat &hz, float sigma_h)
{
for(int j =w-2; j >= 0; j--)
{
temp.at<float>(i,j) = temp.at<float>(i,j) + (temp.at<float>(i,j+1) - temp.at<float>(i,j)) * V.at<float>(i,j+1);
for(int c = 0; c<channel; c++)
{
temp.at<float>(i,j*channel+c) = temp.at<float>(i,j*channel+c) +
(temp.at<float>(i,(j+1)*channel+c) - temp.at<float>(i,j*channel+c))*V.at<float>(i,j+1);
}
}
}