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best skip adaptation for preview - less bad

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This commit is contained in:
Desmis
2019-05-31 07:36:08 +02:00
parent 0bf0c5fb2d
commit bbcc2ddd19
1 changed files with 12 additions and 5 deletions
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17
rtengine/ipretinex.cc
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@@ -860,7 +860,7 @@ void ImProcFunctions::MSRLocal(int sp, int lum, LabImage * bufreti, LabImage * b
const float offse = 0.f; //loc.offs;
const float chrT = (float)(loc.spots.at(sp).chrrt) / 100.f;
const int scal = (loc.spots.at(sp).scalereti);
const float vart = loc.spots.at(sp).vart / 100.f;//variance
float vart = loc.spots.at(sp).vart / 100.f;//variance
const float strength = loc.spots.at(sp).str / 100.f; // Blend with original L channel data
const float dar = loc.spots.at(sp).darkness;
const float lig = loc.spots.at(sp).lightnessreti;
@@ -880,11 +880,18 @@ void ImProcFunctions::MSRLocal(int sp, int lum, LabImage * bufreti, LabImage * b
//empirical skip evaluation : very difficult because quasi all parameters interfere
//to test on several images
int nei = (int)(krad * loc.spots.at(sp).neigh);
//several test to find good values ???!!!
//very difficult to do because 4 factor are correlate with skip and cannot been solved
// size of spots
// radius - neigh
// scal
// variance vart
if (skip >= 4) {
nei = (int)(0.1f * nei + 2.f); //not too bad
nei = (int)(nei / (1.5f * skip) + 2.f)/ sqrt(scal / 3.f); //not too bad
vart *= skip;
} else if (skip > 1 && skip < 4) {
nei = (int)(0.3f * nei + 2.f);
nei = (int)(nei / skip + 10.f) / sqrt(scal / 3.f);
vart *= skip;
}
int moderetinex = 0;
@@ -944,7 +951,7 @@ void ImProcFunctions::MSRLocal(int sp, int lum, LabImage * bufreti, LabImage * b
float *buffer = new float[W_L * H_L];
for (int scale = scal - 1; scale >= 0; scale--) {
// printf("retscale=%f scale=%i \n", RetinexScales[scale], scale);
printf("retscale=%f scale=%i \n", RetinexScales[scale], scale);
#ifdef _OPENMP
#pragma omp parallel
#endif