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Added a threshold slider to the impulse NR tool. Large values can cause cratering, but otherwise this should be a good precursor to pyramid denoising.

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Emil Martinec
2010-09-14 00:08:23 -05:00
parent da0faec489
commit 1820978df4
15 changed files with 169 additions and 41 deletions
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12
rtengine/impulse_denoise.h
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@@ -103,14 +103,14 @@ template<class T> void impulse_nr (T** src, T** dst, int width, int height, doub
float wtdsum, dirwt, norm;
int i1, j1;
rangeblur<unsigned short, unsigned int> (src, lpf, impish /*used as buffer here*/, width, height, thresh, false);
//rangeblur<unsigned short, unsigned int> (src, lpf, impish /*used as buffer here*/, width, height, thresh, false);
//AlignedBuffer<double>* buffer = new AlignedBuffer<double> (MAX(width,height));
AlignedBuffer<double>* buffer = new AlignedBuffer<double> (MAX(width,height));
//gaussHorizontal<unsigned short> (src, lpf, buffer, width, height, 2.0, false /*multiThread*/);
//gaussVertical<unsigned short> (lpf, lpf, buffer, width, height, 2.0, false);
gaussHorizontal<unsigned short> (src, lpf, buffer, width, height, 2.0, false /*multiThread*/);
gaussVertical<unsigned short> (lpf, lpf, buffer, width, height, 2.0, false);
//delete buffer;
delete buffer;
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -125,7 +125,7 @@ template<class T> void impulse_nr (T** src, T** dst, int width, int height, doub
hfnbrave += fabs(src[i1][j1]-lpf[i1][j1]);
}
hfnbrave = (hfnbrave-hpfabs)/24;
hpfabs>(hfnbrave*3) ? impish[i][j]=1 : impish[i][j]=0;
hpfabs>(hfnbrave*(5.5-thresh)) ? impish[i][j]=1 : impish[i][j]=0;
}//now impulsive values have been corrected