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Improvement to Gaussian gradient

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This commit is contained in:
Desmis
2015-11-10 11:34:17 +01:00
parent 4b6fa0c5f8
commit a1fd3d72b2
2 changed files with 31 additions and 4 deletions
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33
rtengine/ipretinex.cc
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@@ -275,6 +275,11 @@ void RawImageSource::MSR(float** luminance, float** originalLuminance, float **e
moderetinex = 3;
}
for(int it=1; it<iter+1; it++) {//iter nb max of iterations
float aahi = 49.f / 99.f; ////reduce sensibility 50%
float bbhi = 1.f - aahi;
float high;
high = bbhi + aahi * (float) deh.highl;
float grads;
float grad=1.f;
float sc = 3.f;
@@ -299,9 +304,28 @@ void RawImageSource::MSR(float** luminance, float** originalLuminance, float **e
sc=-0.75f*it+5.75f;
}
else if(gradient==5) {
grad=0.9f*it+0.1f;
if(moderetinex!=3) {
grad=2.5f*it-1.5f;
}
else {
float aa=(11.f*high-1.f)/4.f;
float bb=1.f-aa;
grad=aa*it+bb;
}
sc=-0.75f*it+5.75f;
}
else if(gradient==6) {
if(moderetinex!=3) {
grad=5.f*it-4.f;
}
else {
float aa=(21.f*high-1.f)/4.f;
float bb=1.f-aa;
grad=aa*it+bb;
}
sc=-0.75f*it+5.75f;
}
else if(gradient==-1) {
grad=-0.125f*it+1.125f;
sc=3.f;
@@ -358,11 +382,13 @@ void RawImageSource::MSR(float** luminance, float** originalLuminance, float **e
}
}
strengthx=ks*strength;
/*
float aahi = 49.f / 99.f; ////reduce sensibility 50%
float bbhi = 1.f - aahi;
float high;
high = bbhi + aahi * (float) deh.highl;
*/
printf("high=%f moderetinex=%d\n",high,moderetinex);
retinex_scales( RetinexScales, scal, moderetinex, nei/grad, high );
int H_L = height;
@@ -407,7 +433,8 @@ void RawImageSource::MSR(float** luminance, float** originalLuminance, float **e
for ( int scale = scal - 1; scale >= 0; scale-- ) {
if(scale == scal - 1) {
gaussianBlur<float> (src, out, W_L, H_L, RetinexScales[scale], buffer);
} else { // reuse result of last iteration
} else {
printf("reti=%f\n",RetinexScales[scale]);// reuse result of last iteration
gaussianBlur<float> (out, out, W_L, H_L, sqrtf(SQR(RetinexScales[scale]) - SQR(RetinexScales[scale + 1])), buffer);
}

2
rtgui/retinex.cc
View File

@@ -144,7 +144,7 @@ Retinex::Retinex () : FoldableToolPanel(this, "retinex", M("TP_RETINEX_LABEL"),
transLabels->set_tooltip_markup (M("TP_RETINEX_TLABEL_TOOLTIP"));
transLabels2 = Gtk::manage(new Gtk::Label("---", Gtk::ALIGN_CENTER));
scal = Gtk::manage (new Adjuster (M("TP_RETINEX_SCALES"), -1, 5., 1., 3.));
scal = Gtk::manage (new Adjuster (M("TP_RETINEX_SCALES"), -1, 6., 1., 3.));
iter = Gtk::manage (new Adjuster (M("TP_RETINEX_ITER"), 1, 5., 1., 1.));
grad = Gtk::manage (new Adjuster (M("TP_RETINEX_GRAD"), -2., 2., 1., 1.));
grads = Gtk::manage (new Adjuster (M("TP_RETINEX_GRADS"), -2., 2., 1., 1.));