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White dot artifacts caused by CIECAM02, fixes #5342

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heckflosse
2019-06-09 14:37:33 +02:00
parent 1e4f9ac248
commit f0d32c1da7
1 changed files with 2 additions and 6 deletions
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8
rtengine/improcfun.cc
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@@ -1261,8 +1261,7 @@ void ImProcFunctions::ciecam_02float (CieImage* ncie, float adap, int pW, int pw
}
Qpro = Qanc * (Qq / Qold);
// Jpro = 100.f * (Qpro * Qpro) / ((4.0f / c) * (4.0f / c) * (aw + 4.0f) * (aw + 4.0f));
Jpro = Jpro * SQR (Qq / Qold);
Jpro = SQR ((10.f * Qpro) / wh);
if (Jpro < 1.f) {
Jpro = 1.f;
@@ -1342,11 +1341,8 @@ void ImProcFunctions::ciecam_02float (CieImage* ncie, float adap, int pW, int pw
Qold = 0.001f;
}
// Qpro = (float) (Qq * (coef) / 327.68f);
Qpro = Qanc * (Qq / Qold);
Jpro = Jpro * SQR (Qq / Qold);
// Jpro = 100.f * (Qpro * Qpro) / ((4.0f / c) * (4.0f / c) * (aw + 4.0f) * (aw + 4.0f));
Jpro = SQR ((10.f * Qpro) / wh);
if (t1L) { //to workaround the problem if we modify curve1-lightnees after curve2 brightness(the cat that bites its own tail!) in fact it's another type of curve only for this case
coef = 2.f; //adapt Q to J approximation