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wavcontrast4(): some cleanups

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This commit is contained in:
Ingo Weyrich 2020-07-04 18:02:26 +02:00
parent 023832b5fc
commit bc2ec7c39e
1 changed files with 12 additions and 62 deletions
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74
rtengine/iplocallab.cc
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@ -7335,6 +7335,9 @@ BENCHFUN
}
klev *= 0.8f;
const float threshold = mean[level] + lp.sigmalc2 * sigma[level];
float lutFactor;
const float inVals[] = {0.05f, 0.2f, 0.7f, 1.f, 1.f, 0.8f, 0.6f, 0.5f, 0.4f, 0.3f, 0.1f};
const auto meaLut = buildMeaLut(inVals, mea, lutFactor);
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic, 16) if (multiThread)
@ -7343,31 +7346,6 @@ BENCHFUN
for (int y = 0; y < H_L; y++) {
for (int x = 0; x < W_L; x++) {
const float WavCL = std::fabs(wav_L[y * W_L + x]);
float beta;
if (WavCL < mea[0]) {
beta = 0.05f;
} else if (WavCL < mea[1]) {
beta = 0.2f;
} else if (WavCL < mea[2]) {
beta = 0.7f;
} else if (WavCL < mea[3]) {
beta = 1.f; //standard
} else if (WavCL < mea[4]) {
beta = 1.f;
} else if (WavCL < mea[5]) {
beta = 0.8f; //+sigma
} else if (WavCL < mea[6]) {
beta = 0.6f;
} else if (WavCL < mea[7]) {
beta = 0.5f;
} else if (WavCL < mea[8]) {
beta = 0.4f; // + 2 sigma
} else if (WavCL < mea[9]) {
beta = 0.3f;
} else {
beta = 0.1f;
}
float absciss;
if (WavCL >= threshold) { //for max
@ -7383,7 +7361,7 @@ BENCHFUN
float kinterm = 1.f + reduceeffect * kc;
kinterm = kinterm <= 0.f ? 0.01f : kinterm;
wav_L[y * W_L + x] *= (1.f + (kinterm - 1.f) * beta);
wav_L[y * W_L + x] *= (1.f + (kinterm - 1.f) * (*meaLut)[WavCL * lutFactor]);
}
}
}
@ -7396,44 +7374,24 @@ BENCHFUN
float *wav_L0 = wdspot->get_coeff0();
if (radblur > 0.f && blurena) {
array2D<float> bufl(W_L, H_L);
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic,16) if (multiThread)
#endif
for (int y = 0; y < H_L; y++) {
for (int x = 0; x < W_L; x++) {
bufl[y][x] = wav_L0[y * W_L + x];
}
float* src[H_L];
for (int i = 0; i < H_L; ++i) {
src[i] = &wav_L0[i * W_L];
}
#ifdef _OPENMP
#pragma omp parallel if (multiThread)
#endif
{
gaussianBlur(bufl, bufl, W_L, H_L, radblur);
}
#ifdef _OPENMP
#pragma omp parallel for schedule(dynamic,16) if (multiThread)
#endif
for (int y = 0; y < H_L; y++) {
for (int x = 0; x < W_L; x++) {
wav_L0[y * W_L + x] = bufl[y][x];
}
gaussianBlur(src, src, W_L, H_L, radblur);
}
}
if (compress != 0.f && compreena) {
float Compression = expf(-compress);
float DetailBoost = compress;
if (compress < 0.0f) {
DetailBoost = 0.0f;
}
const float Compression = expf(-compress);
const float DetailBoost = std::max(compress, 0.f);
CompressDR(wav_L0, W_L, H_L, Compression, DetailBoost);
}
if ((lp.residsha != 0.f || lp.residhi != 0.f)) {
@ -7474,7 +7432,6 @@ BENCHFUN
}
if (contrast != 0.) {
double avedbl = 0.0; // use double precision for large summations
#ifdef _OPENMP
@ -7484,10 +7441,7 @@ BENCHFUN
avedbl += wav_L0[i];
}
float ave = avedbl / double(W_L * H_L);
float avg = ave / 32768.f;
avg = LIM01(avg);
const float avg = LIM01(avedbl / (32768.f * W_L * H_L));
double contreal = 0.6 * contrast;
DiagonalCurve resid_contrast({
DCT_NURBS,
@ -7500,12 +7454,8 @@ BENCHFUN
#pragma omp parallel for if (multiThread)
#endif
for (int i = 0; i < W_L * H_L; i++) {
float buf = LIM01(wav_L0[i] / 32768.f);
buf = resid_contrast.getVal(buf);
buf *= 32768.f;
wav_L0[i] = buf;
wav_L0[i] = resid_contrast.getVal(LIM01(wav_L0[i] / 32768.f)) * 32768.f;
}
}
float alow = 1.f;