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fattal: removed negative clipping

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This commit is contained in:
Alberto Griggio
2018-02-20 13:58:32 +01:00
parent 6a96bd2676
commit aa673ce15d
1 changed files with 9 additions and 9 deletions
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18
rtengine/tmo_fattal02.cc
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@@ -1104,7 +1104,7 @@ void ImProcFunctions::ToneMapFattal02 (Imagefloat *rgb)
} }
float oldMedian; float oldMedian;
const float percentile = float(LIM(1, params->fattal.anchor, 100)) / 100.f; const float percentile = float(LIM(params->fattal.anchor, 1, 100)) / 100.f;
findMinMaxPercentile (Yr.data(), Yr.getRows() * Yr.getCols(), percentile, oldMedian, percentile, oldMedian, multiThread); findMinMaxPercentile (Yr.data(), Yr.getRows() * Yr.getCols(), percentile, oldMedian, percentile, oldMedian, multiThread);
// median filter on the deep shadows, to avoid boosting noise // median filter on the deep shadows, to avoid boosting noise
// because w2 >= w and h2 >= h, we can use the L buffer as temporary buffer for Median_Denoise() // because w2 >= w and h2 >= h, we can use the L buffer as temporary buffer for Median_Denoise()
@@ -1159,15 +1159,15 @@ void ImProcFunctions::ToneMapFattal02 (Imagefloat *rgb)
for (int x = 0; x < w; x++) { for (int x = 0; x < w; x++) {
int xx = x * wr + 1; int xx = x * wr + 1;
float Y = std::max(Yr (x, y), epsilon); float Y = std::max(Yr(x, y), epsilon);
float l = std::max (L (xx, yy), epsilon) * (scale / Y); float l = std::max(L(xx, yy), epsilon) * (scale / Y);
rgb->r (y, x) = std::max (rgb->r (y, x), 0.f) * l; rgb->r(y, x) *= l;
rgb->g (y, x) = std::max (rgb->g (y, x), 0.f) * l; rgb->g(y, x) *= l;
rgb->b (y, x) = std::max (rgb->b (y, x), 0.f) * l; rgb->b(y, x) *= l;
assert (std::isfinite (rgb->r (y, x))); assert(std::isfinite(rgb->r(y, x)));
assert (std::isfinite (rgb->g (y, x))); assert(std::isfinite(rgb->g(y, x)));
assert (std::isfinite (rgb->b (y, x))); assert(std::isfinite(rgb->b(y, x)));
} }
} }
} }