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Improve retinex transmission map with guidefilter

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This commit is contained in:
Desmis
2019-05-08 07:53:28 +02:00
parent dd9f8a062b
commit fca98702e1
5 changed files with 39 additions and 14 deletions
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24
rtengine/ipretinex.cc
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@@ -49,6 +49,7 @@
#include "rawimagesource.h"
#include "rtengine.h"
#include "StopWatch.h"
#include "guidedfilter.h"
#define clipretinex( val, minv, maxv ) (( val = (val < minv ? minv : val ) ) > maxv ? maxv : val )
@@ -1016,6 +1017,29 @@ void ImProcFunctions::MSRLocal(int sp, float** luminance, float** templ, const f
}
}
}
//here add GuidFilter for transmission map
array2D<float> ble(W_L, H_L);
array2D<float> guid(W_L, H_L);
#ifdef _OPENMP
#pragma omp parallel for
#endif
for (int i = 0; i < H_L; i ++)
for (int j = 0; j < W_L; j++) {
guid[i][j] = src[i][j]/32768.f;
ble[i][j] = luminance[i][j]/32768.f;
}
if (loc.spots.at(sp).softradiusret > 0.f) {
guidedFilter(guid, ble, ble, loc.spots.at(sp).softradiusret * 10.f / skip, 1e-5, multiThread, 4);
}
#ifdef _OPENMP
#pragma omp parallel for
#endif
for (int i = 0; i < H_L; i ++)
for (int j = 0; j < W_L; j++) {
luminance[i][j]= ble[i][j] * 32768.f;
}
if (shmap) {
delete shmap;