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Bug in MSRLocal(), fixes #5852

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This commit is contained in:
Ingo Weyrich
2020-07-17 13:31:06 +02:00
parent 2d402a4bae
commit d9d8703350
1 changed files with 5 additions and 18 deletions
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23
rtengine/ipretinex.cc
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@@ -1354,22 +1354,7 @@ void ImProcFunctions::MSRLocal(int call, int sp, bool fftw, int lum, float** red
}
if (scal == 1) {//only if user select scal = 1
float kval = 1.f;
#ifdef _OPENMP
#pragma omp parallel for
#endif
for (int y = 0; y < H_L; ++y) {
for (int x = 0; x < W_L; ++x) {
float threslow = threslum * 163.f;
if (src[y][x] < threslow) {
kval = src[y][x] / threslow;
}
}
}
const float threslow = threslum * 163.f;
#ifdef _OPENMP
#pragma omp parallel for
@@ -1377,9 +1362,11 @@ void ImProcFunctions::MSRLocal(int call, int sp, bool fftw, int lum, float** red
for (int y = 0; y < H_L; ++y) {
for (int x = 0; x < W_L; ++x) {
float buf = (src[y][x] - out[y][x]) * value_1;
const float srcVal = src[y][x];
const float kval = rtengine::min(srcVal / threslow, 1.f);
float buf = (srcVal - out[y][x]) * value_1;
buf *= (buf > 0.f) ? lig : dar;
luminance[y][x] = LIM(src[y][x] + (1.f + kval) * buf, -32768.f, 32768.f);
luminance[y][x] = LIM(srcVal + (1.f + kval) * buf, -32768.f, 32768.f);
}
}