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Luminance Denoise Curve issue2463

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This commit is contained in:
jdc
2014-08-30 07:10:26 +02:00
parent 2061576c42
commit 5d6d858aac
21 changed files with 690 additions and 113 deletions
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59
rtengine/curves.cc
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@@ -311,6 +311,33 @@ void CurveFactory::curveLightBrightColor (
if (tcurve) delete tcurve;
}
// add curve Denoise : L=f(L)
void CurveFactory::denoiseLL ( bool & lldenoiseutili,const std::vector<double>& llcurvePoints, LUTf & Noisecurve,int skip){
bool needed;
DiagonalCurve* dCurve = NULL;
LUTf dCcurve(65536,0);
float val;
for (int i=0; i<32768; i++) {
dCcurve[i] = (float)i / 32767.0;
}
needed = false;
if (!llcurvePoints.empty() && llcurvePoints[0]!=0) {
dCurve = new DiagonalCurve (llcurvePoints, CURVES_MIN_POLY_POINTS/skip);
if (dCurve && !dCurve->isIdentity())
{needed = true;lldenoiseutili=true;}
}
fillCurveArray(dCurve, Noisecurve, skip, needed);
//Noisecurve.dump("Noise");
if (dCurve) {
delete dCurve;
dCurve = NULL;
}
}
void CurveFactory::curveBW (
const std::vector<double>& curvePointsbw, const std::vector<double>& curvePointsbw2,
@@ -1153,6 +1180,38 @@ void OpacityCurve::Set(const std::vector<double> &curvePoints) {
}
}
void NoisCurve::Reset() {
lutNoisCurve.reset();
}
void NoisCurve::Set(const Curve *pCurve) {
if (pCurve->isIdentity()) {
lutNoisCurve.reset(); // raise this value if the quality suffers from this number of samples
return;
}
lutNoisCurve(501); // raise this value if the quality suffers from this number of samples
nonzero=0.f;
for (int i=0; i<501; i++) {
lutNoisCurve[i] = pCurve->getVal(double(i)/500.);
if(lutNoisCurve[i] < 0.01f) lutNoisCurve[i]=0.01f;//avoid 0.f for wavelet : under 0.01f quasi no action for each value
nonzero+=lutNoisCurve[i];}//minima for Wavelet about 6.f or 7.f quasi no action
//lutNoisCurve.dump("Nois");
}
void NoisCurve::Set(const std::vector<double> &curvePoints, bool &lldenoiseutili) {
FlatCurve* tcurve = NULL;
if (!curvePoints.empty() && curvePoints[0]>FCT_Linear && curvePoints[0]<FCT_Unchanged) {
tcurve = new FlatCurve (curvePoints, false, CURVES_MIN_POLY_POINTS/2);
tcurve->setIdentityValue(0.);
}
if (tcurve) {
Set(tcurve);lldenoiseutili=true;
delete tcurve;
tcurve = NULL;
}
}
void ColorGradientCurve::Reset() {
lut1.reset();
lut2.reset();