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use double precision gaussian blur if sigma >= 25, #4928

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heckflosse
2018-11-03 14:26:39 +01:00
parent 18f55aeb40
commit fb0d231cb2
1 changed files with 1 additions and 1 deletions
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rtengine/gauss.cc
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@@ -1143,7 +1143,7 @@ template<class T> void gaussianBlurImpl(T** src, T** dst, const int W, const int
{ {
static constexpr auto GAUSS_SKIP = 0.25; static constexpr auto GAUSS_SKIP = 0.25;
static constexpr auto GAUSS_3X3_LIMIT = 0.6; static constexpr auto GAUSS_3X3_LIMIT = 0.6;
static constexpr auto GAUSS_DOUBLE = 70.0; static constexpr auto GAUSS_DOUBLE = 25.0;
if(buffer) { if(buffer) {
// special variant for very large sigma, currently only used by retinex algorithm // special variant for very large sigma, currently only used by retinex algorithm