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Minor improvements to chroma denoise; still loses to much low amplitude chroma detail.

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This commit is contained in:
Emil Martinec
2012-02-13 09:29:59 -06:00
parent 17d9483495
commit 10354bc8fe
3 changed files with 113 additions and 99 deletions
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17
rtengine/improcfun.cc
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@@ -563,7 +563,8 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
//impulse_nr (lab, (float)params->impulseDenoise.thresh/10.0 );//20 is normal
int datalen = lab->W*lab->H;
for (int i=0; i<datalen; i++) {
lab->data[i] *= lab->data[i]/32768.0f;
//lab->data[i] *= lab->data[i]/32768.0f;
lab->data[i] = pow(lab->data[i]/32768.0f,3.0)*32768.0f;
//lab->data[i] = 5000;
}
//lab->data[100*lab->W+100] = 20000;
@@ -572,7 +573,7 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
wavelet_decomposition bdecomp(lab->data+2*datalen, lab->W, lab->H, 5, 1 );//last args are maxlevels, subsampling
float noisevar_L = SQR((float)params->impulseDenoise.thresh/25.0f);
float noisevar_ab = SQR((float)params->defringe.threshold / 5.0f);
float noisevar_ab = SQR((float)params->defringe.threshold / 25.0f);
//WaveletDenoise(Ldecomp, SQR((float)params->impulseDenoise.thresh/25.0f));
WaveletDenoiseAll(Ldecomp, adecomp, bdecomp, noisevar_L, noisevar_ab);
@@ -595,8 +596,8 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
// Ldecomp.level_coeffs(4)[0][i] = 0;
//}
Ldecomp.reconstruct(labtmp->data);
adecomp.reconstruct(lab->data+datalen);
bdecomp.reconstruct(lab->data+2*datalen);
adecomp.reconstruct(labtmp->data+datalen);
bdecomp.reconstruct(labtmp->data+2*datalen);
//double radius = (int)(params->impulseDenoise.thresh/10) ;
//boxvar(lab->data, lab->data, radius, radius, lab->W, lab->H);
@@ -624,8 +625,8 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
//impulse_nr (labtmp, 50.0f/20.0f);
for (int i=0; i<datalen; i++) {
//lab->data[i] = 4*(labtmp->data[i]-lab->data[i])+10000;
lab->data[i] = sqrt(MAX(0,labtmp->data[i]/32768.0f))*32768.0f;
lab->data[i] = 4*(labtmp->data[i+datalen]-lab->data[i+datalen])+10000;
//lab->data[i] = sqrt(MAX(0,labtmp->data[i]/32768.0f))*32768.0f;
}
delete labtmp;
@@ -636,9 +637,9 @@ void ImProcFunctions::colorCurve (LabImage* lold, LabImage* lnew) {
void ImProcFunctions::defringe (LabImage* lab) {
if (params->defringe.enabled && lab->W>=8 && lab->H>=8)
//if (params->defringe.enabled && lab->W>=8 && lab->H>=8)
PF_correct_RT(lab, lab, params->defringe.radius, params->defringe.threshold);
//PF_correct_RT(lab, lab, params->defringe.radius, params->defringe.threshold);
}
void ImProcFunctions::dirpyrdenoise (LabImage* lab) {