liz/rawTherapee
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histmatching: dynamically adjust the skip factor according to the side of the embedded thumbnail

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with large the embedded thumbnails we should skip less to improve the quality of the matching
This commit is contained in:
Alberto Griggio 2018-01-31 18:09:28 +01:00
parent b09aeaa6ae
commit 74e31dff45
1 changed files with 2 additions and 1 deletions
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3
rtengine/histmatching.cc
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@ -189,7 +189,7 @@ void RawImageSource::getAutoMatchedToneCurve(std::vector<double> &outCurve)
int fw, fh; int fw, fh;
getFullSize(fw, fh, TR_NONE); getFullSize(fw, fh, TR_NONE);
int skip = 10; int skip = 3;
if (settings->verbose) { if (settings->verbose) {
std::cout << "histogram matching: full raw image size is " << fw << "x" << fh << std::endl; std::cout << "histogram matching: full raw image size is " << fw << "x" << fh << std::endl;
@ -213,6 +213,7 @@ void RawImageSource::getAutoMatchedToneCurve(std::vector<double> &outCurve)
histMatchingCache = outCurve; histMatchingCache = outCurve;
return; return;
} }
skip = LIM(5, skip * fh / h, 10); // adjust the skip factor -- the larger the thumbnail, the less we should skip to get a good match
source.reset(thumb->quickProcessImage(neutral, fh / skip, TI_Nearest)); source.reset(thumb->quickProcessImage(neutral, fh / skip, TI_Nearest));
if (settings->verbose) { if (settings->verbose) {