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Retinex, correction for last patch

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heckflosse
2015-09-14 12:21:14 +02:00
parent 864ab0685d
commit 48690e0fab
1 changed files with 1 additions and 2 deletions
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3
rtengine/ipretinex.cc
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@@ -271,12 +271,11 @@ void RawImageSource::MSR(float** luminance, float** originalLuminance, int width
for ( int scale = scal - 1; scale >= 0; scale-- ) {
float ** source;
float sigma;
if(scale == scal - 1) { // probably large sigma. Use double gauss with sigma divided by sqrt(2.0)
sigma = RetinexScales[scale] / sqrt(2.0);
source = src;
} else { // reuse result of last iteration
sigma = sqrtf((RetinexScales[scale] * RetinexScales[scale]) / (RetinexScales[scale + 1] * RetinexScales[scale + 1]));
sigma = sqrtf((RetinexScales[scale] * RetinexScales[scale]) - (RetinexScales[scale + 1] * RetinexScales[scale + 1]));
source = out;
}