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Wavelet levels - Fixed crash in rare cases in flat areas

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This commit is contained in:
Desmis 2020-09-02 18:21:02 +02:00
parent 390d62f638
commit c65a27ce19
1 changed files with 25 additions and 6 deletions
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29
rtengine/ipwavelet.cc
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@ -1214,12 +1214,27 @@ void ImProcFunctions::ip_wavelet(LabImage * lab, LabImage * dst, int kall, const
delete[] noisevarlum;
//evaluate after denoise
bool exitifzero = true;
Evaluate2(*Ldecomp, meand, meanNd, sigmad, sigmaNd, MaxPd, MaxNd, wavNestedLevels);
for (int dir = 1; dir < 4; dir++) {
for (int level = 0; level < levwavL; level++) {
if(mean[level] < 0.1f || meand[level] < 0.1f || sigma[level] < 0.1f || sigmad[level] < 0.1f) {
printf("near zero - exit\n");
exitifzero = false;
}
}
}
//for level 0 1 2 3
float thr = 0.f;
float thrend = cp.thrden; //cp.levdenlow;
if(thrend < 0.02f) thr = 0.5f;
else if(thrend < 0.05f) thr = 0.2f;
if(thrend < 0.01f) thr = 0.95f;
else if(thrend < 0.02f) thr = 0.9f;
else if(thrend < 0.04f) thr = 0.8f;
else if(thrend < 0.06f) thr = 0.7f;
else if(thrend < 0.08f) thr = 0.6f;
else if(thrend < 0.1f) thr = 0.5f;
else if(thrend < 0.2f) thr = 0.2f;
else thr = 0.f;
FlatCurve wavlow({
@ -1229,8 +1244,12 @@ void ImProcFunctions::ip_wavelet(LabImage * lab, LabImage * dst, int kall, const
//for level 4
float thrhigh = 0.f;
float threndhigh = cp.lev4t; //cp.levdenlow;
if(threndhigh < 0.02f) thrhigh = 0.5f;
else if(threndhigh < 0.05f) thrhigh = 0.2f;
if(threndhigh < 0.01f) thrhigh = 0.95f;
else if(threndhigh < 0.02f) thrhigh = 0.9f;
else if(threndhigh < 0.04f) thrhigh = 0.8f;
else if(threndhigh < 0.06f) thrhigh = 0.7f;
else if(threndhigh < 0.08f) thrhigh = 0.6f;
else if(threndhigh < 0.1f) thrhigh = 0.5f;
else thrhigh = 0.f;
FlatCurve wavhigh({
@ -1283,7 +1302,7 @@ void ImProcFunctions::ip_wavelet(LabImage * lab, LabImage * dst, int kall, const
}
}
// }
if (execut) {
if (execut && exitifzero) {
for (int dir = 1; dir < 4; dir++) {
for (int level = 0; level < levref; level++) {
int Wlvl_L = Ldecomp->level_W(level);