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Igv and LMMSE demosaicing for noisy images see issue1741

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jdc
2013-03-10 09:39:26 +01:00
parent ab97db2862
commit edeae689a6
18 changed files with 894 additions and 160 deletions
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4
rtengine/color.h
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@@ -136,10 +136,10 @@ public:
// standard srgb gamma and its inverse
static inline double gamma2 (double x) {
return x <= 0.00304 ? x*12.92 : 1.055*exp(log(x)/sRGBGammaCurve)-0.055;
return x <= 0.003041 ? x*12.92 : 1.055011*exp(log(x)/sRGBGammaCurve)-0.055011;
}
static inline double igamma2 (double x) {
return x <= 0.03928 ? x/12.92 : exp(log((x+0.055)/1.055)*sRGBGammaCurve);
return x <= 0.039293 ? x/12.92 : exp(log((x+0.055011)/1.055011)*sRGBGammaCurve);
}
/* static inline double gamma709 (double x) {
return x <= 0.0176 ? x*4.5 : 1.0954*exp(log(x)/2.2)-0.0954;