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buildBlendMask: remove multiplication by amount as amount always was 1

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This commit is contained in:
Ingo Weyrich
2019-12-20 17:44:51 +01:00
parent f8f100262f
commit 5face2e449
5 changed files with 10 additions and 11 deletions
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4
rtengine/capturesharpening.cc
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@@ -800,7 +800,7 @@ BENCHFUN
}
array2D<float>& blend = red; // red will be overridden anyway => we can use its buffer to store the blend mask
buildBlendMask(L, blend, W, H, contrast, 1.f, sharpeningParams.autoContrast, clipMask);
buildBlendMask(L, blend, W, H, contrast, sharpeningParams.autoContrast, clipMask);
if (plistener) {
plistener->setProgress(0.2);
}
@@ -849,7 +849,7 @@ BENCHFUN
}
// calculate contrast based blend factors to reduce sharpening in regions with low contrast
array2D<float>& blend = clipMask; // we can share blend and clipMask buffer here
buildBlendMask(L, blend, W, H, contrast, 1.f, sharpeningParams.autoContrast, clipMask);
buildBlendMask(L, blend, W, H, contrast, sharpeningParams.autoContrast, clipMask);
if (plistener) {
plistener->setProgress(0.2);
}

2
rtengine/dual_demosaic_RT.cc
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@@ -105,7 +105,7 @@ void RawImageSource::dual_demosaic_RT(bool isBayer, const procparams::RAWParams
JaggedArray<float> blend(winw, winh);
float contrastf = contrast / 100.f;
buildBlendMask(L, blend, winw, winh, contrastf, 1.f, autoContrast);
buildBlendMask(L, blend, winw, winh, contrastf, autoContrast);
contrast = contrastf * 100.f;
array2D<float>& redTmp = L; // L is not needed anymore => reuse it

2
rtengine/ipsharpen.cc
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@@ -256,7 +256,7 @@ void ImProcFunctions::sharpening (LabImage* lab, const procparams::SharpeningPar
// calculate contrast based blend factors to reduce sharpening in regions with low contrast
JaggedArray<float> blend(W, H);
float contrast = sharpenParam.contrast / 100.f;
buildBlendMask(lab->L, blend, W, H, contrast, 1.f);
buildBlendMask(lab->L, blend, W, H, contrast);
if(showMask) {
#ifdef _OPENMP

11
rtengine/rt_algo.cc
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@@ -299,7 +299,7 @@ void findMinMaxPercentile(const float* data, size_t size, float minPrct, float&
maxOut = rtengine::LIM(maxOut, minVal, maxVal);
}
void buildBlendMask(const float* const * luminance, float **blend, int W, int H, float &contrastThreshold, float amount, bool autoContrast, float ** clipMask) {
void buildBlendMask(const float* const * luminance, float **blend, int W, int H, float &contrastThreshold, bool autoContrast, float ** clipMask) {
if (autoContrast) {
constexpr float minLuminance = 2000.f;
@@ -403,7 +403,7 @@ void buildBlendMask(const float* const * luminance, float **blend, int W, int H,
if(contrastThreshold == 0.f) {
for(int j = 0; j < H; ++j) {
for(int i = 0; i < W; ++i) {
blend[j][i] = amount;
blend[j][i] = 1.f;
}
}
} else {
@@ -415,7 +415,6 @@ void buildBlendMask(const float* const * luminance, float **blend, int W, int H,
#ifdef __SSE2__
const vfloat contrastThresholdv = F2V(contrastThreshold);
const vfloat scalev = F2V(scale);
const vfloat amountv = F2V(amount);
#endif
#ifdef _OPENMP
#pragma omp for schedule(dynamic,16)
@@ -429,14 +428,14 @@ void buildBlendMask(const float* const * luminance, float **blend, int W, int H,
vfloat contrastv = vsqrtf(SQRV(LVFU(luminance[j][i+1]) - LVFU(luminance[j][i-1])) + SQRV(LVFU(luminance[j+1][i]) - LVFU(luminance[j-1][i])) +
SQRV(LVFU(luminance[j][i+2]) - LVFU(luminance[j][i-2])) + SQRV(LVFU(luminance[j+2][i]) - LVFU(luminance[j-2][i]))) * scalev;
STVFU(blend[j][i], LVFU(clipMask[j][i]) * amountv * calcBlendFactor(contrastv, contrastThresholdv));
STVFU(blend[j][i], LVFU(clipMask[j][i]) * calcBlendFactor(contrastv, contrastThresholdv));
}
} else {
for(; i < W - 5; i += 4) {
vfloat contrastv = vsqrtf(SQRV(LVFU(luminance[j][i+1]) - LVFU(luminance[j][i-1])) + SQRV(LVFU(luminance[j+1][i]) - LVFU(luminance[j-1][i])) +
SQRV(LVFU(luminance[j][i+2]) - LVFU(luminance[j][i-2])) + SQRV(LVFU(luminance[j+2][i]) - LVFU(luminance[j-2][i]))) * scalev;
STVFU(blend[j][i], amountv * calcBlendFactor(contrastv, contrastThresholdv));
STVFU(blend[j][i], calcBlendFactor(contrastv, contrastThresholdv));
}
}
#endif
@@ -445,7 +444,7 @@ void buildBlendMask(const float* const * luminance, float **blend, int W, int H,
float contrast = sqrtf(rtengine::SQR(luminance[j][i+1] - luminance[j][i-1]) + rtengine::SQR(luminance[j+1][i] - luminance[j-1][i]) +
rtengine::SQR(luminance[j][i+2] - luminance[j][i-2]) + rtengine::SQR(luminance[j+2][i] - luminance[j-2][i])) * scale;
blend[j][i] = (clipMask ? clipMask[j][i] : 1.f) * amount * calcBlendFactor(contrast, contrastThreshold);
blend[j][i] = (clipMask ? clipMask[j][i] : 1.f) * calcBlendFactor(contrast, contrastThreshold);
}
}

2
rtengine/rt_algo.h
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@@ -24,5 +24,5 @@
namespace rtengine
{
void findMinMaxPercentile(const float* data, size_t size, float minPrct, float& minOut, float maxPrct, float& maxOut, bool multiThread = true);
void buildBlendMask(const float* const * luminance, float **blend, int W, int H, float &contrastThreshold, float amount = 1.f, bool autoContrast = false, float ** clipmask = nullptr);
void buildBlendMask(const float* const * luminance, float **blend, int W, int H, float &contrastThreshold, bool autoContrast = false, float ** clipmask = nullptr);
}