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pixelshift: changed formula for adaptive motion detection

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This commit is contained in:
heckflosse
2016-11-22 16:35:11 +01:00
parent fb043e9f5d
commit 520557912b
3 changed files with 7 additions and 5 deletions
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6
rtengine/pixelshift.cc
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@@ -43,7 +43,8 @@ float greenDiff(float a, float b, bool adaptive, float scale, float stddevFactor
float diff = std::fabs(a - b) / (std::max(a, b) + 0.01f);
if(adaptive) {
float avg = (a+b)/2.f;
avg *= scale;
avg *= scale; // revert the colour scaling
prnu *= (avg * eperIso);
float stddev = sqrtf(avg * eperIso + nreadIso * nreadIso + prnu * prnu);
float korr = stddevFactor * stddev / (a * scale);
diff -= korr;
@@ -78,7 +79,8 @@ void RawImageSource::pixelshift_simple(int winx, int winy, int winw, int winh, b
// const float eperIso = 0.75f * idata->getISOSpeed() / 100;
eperIso *= (idata->getISOSpeed() / 100);
nreadIso *= (idata->getISOSpeed() / 100);
// nreadIso *= (idata->getISOSpeed() / 100);
prnu /= 100.f;
// const float nreadIso = 5.f * idata->getISOSpeed() / 100;
// const float prnu = 1.f;
// const float stddevFactor = 4.f;