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Merge pull request #3401 from Beep6581/colourtoning

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Colourtoning: Speedup and improvement for Automatic Saturation Protection
This commit is contained in:
Ingo Weyrich 2016-08-24 21:30:18 +02:00 committed by GitHub
commit d9d539cbb3
5 changed files with 38 additions and 69 deletions
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13
rtengine/color.h
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@ -231,6 +231,19 @@ public:
*/
static void rgb2hsv (float r, float g, float b, float &h, float &s, float &v);
static inline float rgb2s(float r, float g, float b) // fast version if only saturation is needed
{
float var_Min = min(r, g, b);
float var_Max = max(r, g, b);
float del_Max = var_Max - var_Min;
if (del_Max < 0.00001f) {
return 0.f;
} else {
return del_Max / var_Max;
}
}
static inline bool rgb2hsvdcp(float r, float g, float b, float &h, float &s, float &v)
{

23
rtengine/dcrop.cc
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@ -749,27 +749,6 @@ void Crop::update (int todo)
baseCrop->b[(int)(xref/skip)][(int)(yref/skip)]/256,
parent->imgsrc->getGamma());
}*/
float satLimit = float(params.colorToning.satProtectionThreshold) / 100.f * 0.7f + 0.3f;
float satLimitOpacity = 1.f - (float(params.colorToning.saturatedOpacity) / 100.f);
if(params.colorToning.enabled && params.colorToning.autosat) { //for colortoning evaluation of saturation settings
float moyS = 0.f;
float eqty = 0.f;
parent->ipf.moyeqt (baseCrop, moyS, eqty);//return image : mean saturation and standard dev of saturation
//printf("moy=%f ET=%f\n", moyS,eqty);
float satp = ((moyS + 1.5f * eqty) - 0.3f) / 0.7f; //1.5 sigma ==> 93% pixels with high saturation -0.3 / 0.7 convert to Hombre scale
if(satp >= 0.92f) {
satp = 0.92f; //avoid values too high (out of gamut)
}
if(satp <= 0.15f) {
satp = 0.15f; //avoid too low values
}
satLimit = 100.f * satp;
satLimitOpacity = 100.f * (moyS - 0.85f * eqty); //-0.85 sigma==>20% pixels with low saturation
}
if (todo & M_RGBCURVE) {
double rrm, ggm, bbm;
@ -777,7 +756,7 @@ void Crop::update (int todo)
DCPProfile *dcpProf = parent->imgsrc->getDCP(params.icm, parent->currWB, as);
parent->ipf.rgbProc (baseCrop, laboCrop, this, parent->hltonecurve, parent->shtonecurve, parent->tonecurve, cshmap,
params.toneCurve.saturation, parent->rCurve, parent->gCurve, parent->bCurve, satLimit , satLimitOpacity, parent->ctColorCurve, parent->ctOpacityCurve, parent->opautili, parent->clToningcurve, parent->cl2Toningcurve,
params.toneCurve.saturation, parent->rCurve, parent->gCurve, parent->bCurve, parent->colourToningSatLimit , parent->colourToningSatLimitOpacity, parent->ctColorCurve, parent->ctOpacityCurve, parent->opautili, parent->clToningcurve, parent->cl2Toningcurve,
parent->customToneCurve1, parent->customToneCurve2, parent->beforeToneCurveBW, parent->afterToneCurveBW, rrm, ggm, bbm,
parent->bwAutoR, parent->bwAutoG, parent->bwAutoB, dcpProf, as);
}

14
rtengine/improccoordinator.cc
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@ -473,8 +473,8 @@ void ImProcCoordinator::updatePreviewImage (int todo, Crop* cropCall)
CurveFactory::curveBW (params.blackwhite.beforeCurve, params.blackwhite.afterCurve, vhist16bw, histToneCurveBW, beforeToneCurveBW, afterToneCurveBW, scale == 1 ? 1 : 1);
}
float satLimit = float(params.colorToning.satProtectionThreshold) / 100.f * 0.7f + 0.3f;
float satLimitOpacity = 1.f - (float(params.colorToning.saturatedOpacity) / 100.f);
colourToningSatLimit = float(params.colorToning.satProtectionThreshold) / 100.f * 0.7f + 0.3f;
colourToningSatLimitOpacity = 1.f - (float(params.colorToning.saturatedOpacity) / 100.f);
int satTH = 80;
int satPR = 30;
@ -497,10 +497,10 @@ void ImProcCoordinator::updatePreviewImage (int todo, Crop* cropCall)
//satTH=(int) 100.f*satp;
//satPR=(int) 100.f*(moyS-0.85f*eqty);//-0.85 sigma==>20% pixels with low saturation
satLimit = 100.f * satp;
colourToningSatLimit = 100.f * satp;
satTH = (int) 100.f * satp;
satLimitOpacity = 100.f * (moyS - 0.85f * eqty); //-0.85 sigma==>20% pixels with low saturation
colourToningSatLimitOpacity = 100.f * (moyS - 0.85f * eqty); //-0.85 sigma==>20% pixels with low saturation
satPR = (int) 100.f * (moyS - 0.85f * eqty);
}
@ -539,7 +539,7 @@ void ImProcCoordinator::updatePreviewImage (int todo, Crop* cropCall)
DCPProfile *dcpProf = imgsrc->getDCP(params.icm, currWB, as);
ipf.rgbProc (oprevi, oprevl, NULL, hltonecurve, shtonecurve, tonecurve, shmap, params.toneCurve.saturation,
rCurve, gCurve, bCurve, satLimit , satLimitOpacity, ctColorCurve, ctOpacityCurve, opautili, clToningcurve, cl2Toningcurve, customToneCurve1, customToneCurve2, beforeToneCurveBW, afterToneCurveBW, rrm, ggm, bbm, bwAutoR, bwAutoG, bwAutoB, params.toneCurve.expcomp, params.toneCurve.hlcompr, params.toneCurve.hlcomprthresh, dcpProf, as);
rCurve, gCurve, bCurve, colourToningSatLimit , colourToningSatLimitOpacity, ctColorCurve, ctOpacityCurve, opautili, clToningcurve, cl2Toningcurve, customToneCurve1, customToneCurve2, beforeToneCurveBW, afterToneCurveBW, rrm, ggm, bbm, bwAutoR, bwAutoG, bwAutoB, params.toneCurve.expcomp, params.toneCurve.hlcompr, params.toneCurve.hlcomprthresh, dcpProf, as);
if(params.blackwhite.enabled && params.blackwhite.autoc && abwListener) {
if (settings->verbose) {
@ -551,10 +551,10 @@ void ImProcCoordinator::updatePreviewImage (int todo, Crop* cropCall)
if(params.colorToning.autosat && actListener) {
if (settings->verbose) {
printf("ImProcCoordinator / Auto CT: indi=%d satH=%d satPR=%d\n", indi, (int)satLimit , (int) satLimitOpacity);
printf("ImProcCoordinator / Auto CT: indi=%d satH=%d satPR=%d\n", indi, (int)colourToningSatLimit , (int) colourToningSatLimitOpacity);
}
actListener->autoColorTonChanged(indi, (int) satLimit, (int)satLimitOpacity);//change sliders autosat
actListener->autoColorTonChanged(indi, (int) colourToningSatLimit, (int)colourToningSatLimitOpacity);//change sliders autosat
}
// correct GUI black and white with value

2
rtengine/improccoordinator.h
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@ -197,6 +197,8 @@ protected:
bool wavcontlutili;
void startProcessing ();
void process ();
float colourToningSatLimit;
float colourToningSatLimitOpacity;
public:

55
rtengine/improcfun.cc
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@ -2861,54 +2861,29 @@ void ImProcFunctions::ciecam_02float (CieImage* ncie, float adap, int begh, int
void ImProcFunctions::moyeqt (Imagefloat* working, float &moyS, float &eqty)
{
// MyTime t1e,t2e;
// t1e.set();
BENCHFUN
int tHh = working->height;
int tWw = working->width;
float moy = 0.f;
float eqt = 0.f;
#pragma omp parallel
{
float mo = 0.f;
#ifndef _DEBUG
#pragma omp for reduction(+:moy)
double moy = 0.0;
double sqrs = 0.0;
#ifdef _OPENMP
#pragma omp parallel for reduction(+:moy,sqrs) schedule(dynamic,16)
#endif
for (int i = 0; i < tHh; i++) {
for (int j = 0; j < tWw; j++) {
float r = CLIP(working->r(i, j));
float g = CLIP(working->g(i, j));
float b = CLIP(working->b(i, j));
float h, s, v;
Color::rgb2hsv(r, g, b, h, s, v);
moy += s;
}
}
mo = moy / (tHh * tWw);
moyS = mo;
#ifndef _DEBUG
#pragma omp for reduction(+:eqt)
#endif
for (int i = 0; i < tHh; i++) {
for (int j = 0; j < tWw; j++) {
float r = CLIP(working->r(i, j));
float g = CLIP(working->g(i, j));
float b = CLIP(working->b(i, j));
float h, s, v;
Color::rgb2hsv(r, g, b, h, s, v);
eqt += SQR(s - mo);
}
for (int i = 0; i < tHh; i++) {
for (int j = 0; j < tWw; j++) {
float s = Color::rgb2s(CLIP(working->r(i, j)), CLIP(working->g(i, j)), CLIP(working->b(i, j)));
moy += s;
sqrs += SQR(s);
}
}
eqt = eqt / (tHh * tWw);
eqty = (sqrt(eqt));
// t2e.set();
// printf("Moyeqt:%d\n", t2e.etime(t1e));
moy /= (tHh * tWw);
sqrs /= (tHh * tWw);
eqty = sqrt(sqrs - SQR(moy));
moyS = moy;
}
static inline void