f727477710
* Make some more files cppcheck clean * revert change of dcrop.cc from last commit * Replace calculation: y = pow(x, 1/ (2.f * 2.f)) by y = sqrt(sqrt(x)) * Revert "Replace calculation: y = pow(x, 1/ (2.f * 2.f)) by y = sqrt(sqrt(x))" This reverts commit d639c67249f1723fa9f9e55e0442afcb862eba91.
868 lines
30 KiB
C++
868 lines
30 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "bilateral2.h"
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#include "cieimage.h"
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#include "gauss.h"
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#include "improcfun.h"
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#include "jaggedarray.h"
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#include "labimage.h"
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#include "opthelper.h"
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#include "procparams.h"
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#include "rt_algo.h"
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#include "rt_math.h"
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#include "settings.h"
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#include "sleef.h"
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//#define BENCHMARK
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#include "StopWatch.h"
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using namespace std;
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namespace {
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void sharpenHaloCtrl (float** luminance, float** blurmap, float** base, float** blend, int W, int H, const procparams::SharpeningParams &sharpenParam)
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{
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const float scale = (100.f - sharpenParam.halocontrol_amount) * 0.01f;
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const float sharpFac = sharpenParam.amount * 0.01f;
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float** nL = base;
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#ifdef _OPENMP
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#pragma omp parallel for
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#endif
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for (int i = 2; i < H - 2; i++) {
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float max1 = 0, max2 = 0, min1 = 0, min2 = 0;
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for (int j = 2; j < W - 2; j++) {
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// compute 3 iterations, only forward
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float np1 = 2.f * (nL[i - 2][j] + nL[i - 2][j + 1] + nL[i - 2][j + 2] + nL[i - 1][j] + nL[i - 1][j + 1] + nL[i - 1][j + 2] + nL[i] [j] + nL[i] [j + 1] + nL[i] [j + 2]) / 27.f + nL[i - 1][j + 1] / 3.f;
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float np2 = 2.f * (nL[i - 1][j] + nL[i - 1][j + 1] + nL[i - 1][j + 2] + nL[i] [j] + nL[i] [j + 1] + nL[i] [j + 2] + nL[i + 1][j] + nL[i + 1][j + 1] + nL[i + 1][j + 2]) / 27.f + nL[i] [j + 1] / 3.f;
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float np3 = 2.f * (nL[i] [j] + nL[i] [j + 1] + nL[i] [j + 2] + nL[i + 1][j] + nL[i + 1][j + 1] + nL[i + 1][j + 2] + nL[i + 2][j] + nL[i + 2][j + 1] + nL[i + 2][j + 2]) / 27.f + nL[i + 1][j + 1] / 3.f;
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// Max/Min of all these deltas and the last two max/min
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float maxn = rtengine::max(np1, np2, np3);
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float minn = rtengine::min(np1, np2, np3);
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float max_ = rtengine::max(max1, max2, maxn);
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float min_ = rtengine::min(min1, min2, minn);
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// Shift the queue
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max1 = max2;
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max2 = maxn;
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min1 = min2;
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min2 = minn;
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float labL = luminance[i][j];
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if (max_ < labL) {
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max_ = labL;
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}
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if (min_ > labL) {
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min_ = labL;
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}
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// deviation from the environment as measurement
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float diff = nL[i][j] - blurmap[i][j];
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constexpr float upperBound = 2000.f; // WARNING: Duplicated value, it's baaaaaad !
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float delta = sharpenParam.threshold.multiply<float, float, float>(
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rtengine::min(fabsf(diff), upperBound), // X axis value = absolute value of the difference
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sharpFac * diff // Y axis max value = sharpening.amount * signed difference
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);
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float newL = labL + delta;
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// applying halo control
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if (newL > max_) {
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newL = max_ + (newL - max_) * scale;
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} else if (newL < min_) {
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newL = min_ - (min_ - newL) * scale;
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}
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luminance[i][j] = intp(blend[i][j], newL, luminance[i][j]);
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}
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}
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}
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void dcdamping (float** aI, float** aO, float damping, int W, int H)
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{
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const float dampingFac = -2.f / (damping * damping);
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#ifdef __SSE2__
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vfloat Iv, Ov, Uv, zerov, onev, fourv, fivev, dampingFacv, Tv, Wv, Lv;
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zerov = _mm_setzero_ps();
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onev = F2V(1.f);
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fourv = F2V(4.f);
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fivev = F2V(5.f);
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dampingFacv = F2V(dampingFac);
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#endif
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; i++) {
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int j = 0;
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#ifdef __SSE2__
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for (; j < W - 3; j += 4) {
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Iv = LVFU(aI[i][j]);
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Ov = LVFU(aO[i][j]);
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Lv = xlogf(Iv / Ov);
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Wv = Ov - Iv;
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Uv = (Ov * Lv + Wv) * dampingFacv;
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Uv = vminf(Uv, onev);
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Tv = Uv * Uv;
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Tv = Tv * Tv;
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Uv = Tv * (fivev - Uv * fourv);
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Uv = (Wv / Iv) * Uv + onev;
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Uv = vselfzero(vmaskf_gt(Iv, zerov), Uv);
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Uv = vselfzero(vmaskf_gt(Ov, zerov), Uv);
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STVFU(aI[i][j], Uv);
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}
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#endif
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for(; j < W; j++) {
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float I = aI[i][j];
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float O = aO[i][j];
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if (O <= 0.f || I <= 0.f) {
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aI[i][j] = 0.f;
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continue;
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}
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float U = (O * xlogf(I / O) - I + O) * dampingFac;
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U = rtengine::min(U, 1.0f);
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U = U * U * U * U * (5.f - U * 4.f);
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aI[i][j] = (O - I) / I * U + 1.f;
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}
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}
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}
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}
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namespace rtengine
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{
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void ImProcFunctions::deconvsharpening (float** luminance, float** tmp, const float * const * blend, int W, int H, const procparams::SharpeningParams &sharpenParam, double Scale)
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{
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if (sharpenParam.deconvamount == 0 && sharpenParam.blurradius < 0.25) {
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return;
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}
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BENCHFUN
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JaggedArray<float> tmpI(W, H);
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#ifdef _OPENMP
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#pragma omp parallel for
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#endif
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for (int i = 0; i < H; i++) {
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for(int j = 0; j < W; j++) {
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tmpI[i][j] = max(luminance[i][j], 0.f);
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}
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}
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JaggedArray<float>* blurbuffer = nullptr;
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if (sharpenParam.blurradius >= 0.25) {
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blurbuffer = new JaggedArray<float>(W, H);
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JaggedArray<float> &blur = *blurbuffer;
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#ifdef _OPENMP
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#pragma omp parallel
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#endif
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{
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gaussianBlur(tmpI, blur, W, H, sharpenParam.blurradius);
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; ++i) {
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for (int j = 0; j < W; ++j) {
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blur[i][j] = intp(blend[i][j], luminance[i][j], std::max(blur[i][j], 0.0f));
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}
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}
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}
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}
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const float damping = sharpenParam.deconvdamping / 5.0;
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const bool needdamp = sharpenParam.deconvdamping > 0;
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const double sigma = sharpenParam.deconvradius / Scale;
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const float amount = sharpenParam.deconvamount / 100.f;
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#ifdef _OPENMP
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#pragma omp parallel
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#endif
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{
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for (int k = 0; k < sharpenParam.deconviter; k++) {
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if (!needdamp) {
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// apply gaussian blur and divide luminance by result of gaussian blur
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gaussianBlur(tmpI, tmp, W, H, sigma, false, GAUSS_DIV, luminance);
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} else {
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// apply gaussian blur + damping
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gaussianBlur(tmpI, tmp, W, H, sigma);
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dcdamping(tmp, luminance, damping, W, H);
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}
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gaussianBlur(tmp, tmpI, W, H, sigma, false, GAUSS_MULT);
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} // end for
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; ++i) {
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for (int j = 0; j < W; ++j) {
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luminance[i][j] = intp(blend[i][j] * amount, max(tmpI[i][j], 0.0f), luminance[i][j]);
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}
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}
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if (sharpenParam.blurradius >= 0.25) {
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JaggedArray<float> &blur = *blurbuffer;
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; ++i) {
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for (int j = 0; j < W; ++j) {
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luminance[i][j] = intp(blend[i][j], luminance[i][j], max(blur[i][j], 0.0f));
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}
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}
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}
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} // end parallel
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delete blurbuffer;
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}
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void ImProcFunctions::deconvsharpeningloc (float** luminance, float** tmp, int W, int H, float** loctemp, int damp, double radi, int ite, int amo, int contrast, double blurrad, int sk)
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{
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// BENCHFUN
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if (amo < 1) {
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return;
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}
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JaggedArray<float> blend(W, H);
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float contras = contrast / 100.f;
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buildBlendMask(luminance, blend, W, H, contras, 1.f);
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JaggedArray<float> tmpI(W, H);
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#ifdef _OPENMP
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#pragma omp parallel for
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#endif
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for (int i = 0; i < H; i++) {
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for (int j = 0; j < W; j++) {
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tmpI[i][j] = max(luminance[i][j], 0.f);
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}
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}
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// calculate contrast based blend factors to reduce sharpening in regions with low contrast
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JaggedArray<float>* blurbuffer = nullptr;
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if (blurrad >= 0.25) {
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blurbuffer = new JaggedArray<float>(W, H);
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JaggedArray<float> &blur = *blurbuffer;
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#ifdef _OPENMP
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#pragma omp parallel
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#endif
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{
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gaussianBlur(tmpI, blur, W, H, blurrad);
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; ++i) {
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for (int j = 0; j < W; ++j) {
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blur[i][j] = intp(blend[i][j], luminance[i][j], std::max(blur[i][j], 0.0f));
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}
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}
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}
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}
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float damping = (float) damp / 5.0;
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bool needdamp = damp > 0;
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double sigma = radi / sk;
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const float amount = (float) amo / 100.f;
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if (sigma < 0.26f) {
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sigma = 0.26f;
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}
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int itera = ite;
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#ifdef _OPENMP
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#pragma omp parallel
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#endif
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{
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for (int k = 0; k < itera; k++) {
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if (!needdamp) {
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// apply gaussian blur and divide luminance by result of gaussian blur
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// gaussianBlur (tmpI, tmp, W, H, sigma, nullptr, GAUSS_DIV, luminance);
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gaussianBlur(tmpI, tmp, W, H, sigma, false, GAUSS_DIV, luminance);
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} else {
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// apply gaussian blur + damping
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gaussianBlur (tmpI, tmp, W, H, sigma);
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dcdamping (tmp, luminance, damping, W, H);
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}
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gaussianBlur (tmp, tmpI, W, H, sigma, false, GAUSS_MULT);
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} // end for
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; i++)
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for (int j = 0; j < W; j++) {
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loctemp[i][j] = intp(blend[i][j] * amount, max(tmpI[i][j], 0.0f), luminance[i][j]);
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}
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if (blurrad >= 0.25) {
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JaggedArray<float> &blur = *blurbuffer;
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; ++i) {
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for (int j = 0; j < W; ++j) {
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loctemp[i][j] = intp(blend[i][j], loctemp[i][j], max(blur[i][j], 0.0f));
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}
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}
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}
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} // end parallel
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delete blurbuffer;
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}
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void ImProcFunctions::sharpening (LabImage* lab, const procparams::SharpeningParams &sharpenParam, bool showMask)
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{
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if ((!sharpenParam.enabled) || sharpenParam.amount < 1 || lab->W < 8 || lab->H < 8) {
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return;
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}
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int W = lab->W, H = lab->H;
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// calculate contrast based blend factors to reduce sharpening in regions with low contrast
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JaggedArray<float> blend(W, H);
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float contrast = sharpenParam.contrast / 100.0;
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buildBlendMask(lab->L, blend, W, H, contrast);
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if(showMask) {
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#ifdef _OPENMP
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#pragma omp parallel for
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#endif
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for (int i = 0; i < H; ++i) {
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for (int j = 0; j < W; ++j) {
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lab->L[i][j] = blend[i][j] * 32768.f;
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}
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}
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return;
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}
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JaggedArray<float> b2(W, H);
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if (sharpenParam.method == "rld") {
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deconvsharpening (lab->L, b2, blend, lab->W, lab->H, sharpenParam, scale);
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return;
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}
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BENCHFUN
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// Rest is UNSHARP MASK
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float** b3 = nullptr;
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if (sharpenParam.edgesonly) {
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b3 = new float*[H];
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for (int i = 0; i < H; i++) {
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b3[i] = new float[W];
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}
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}
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JaggedArray<float> blur(W, H);
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if (sharpenParam.blurradius >= 0.25) {
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#ifdef _OPENMP
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#pragma omp parallel
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#endif
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{
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gaussianBlur(lab->L, blur, W, H, sharpenParam.blurradius);
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#ifdef _OPENMP
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#pragma omp for
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#endif
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for (int i = 0; i < H; ++i) {
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for (int j = 0; j < W; ++j) {
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blur[i][j] = intp(blend[i][j], lab->L[i][j], std::max(blur[i][j], 0.0f));
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}
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}
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}
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}
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#ifdef _OPENMP
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#pragma omp parallel
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#endif
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{
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if (!sharpenParam.edgesonly) {
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gaussianBlur (lab->L, b2, W, H, sharpenParam.radius / scale);
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} else {
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bilateral<float, float> (lab->L, (float**)b3, b2, W, H, sharpenParam.edges_radius / scale, sharpenParam.edges_tolerance, multiThread);
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gaussianBlur (b3, b2, W, H, sharpenParam.radius / scale);
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}
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}
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float** base = lab->L;
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if (sharpenParam.edgesonly) {
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base = b3;
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}
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if (!sharpenParam.halocontrol) {
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#ifdef _OPENMP
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#pragma omp parallel for
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#endif
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for (int i = 0; i < H; i++)
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for (int j = 0; j < W; j++) {
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constexpr float upperBound = 2000.f; // WARNING: Duplicated value, it's baaaaaad !
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float diff = base[i][j] - b2[i][j];
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float delta = sharpenParam.threshold.multiply<float, float, float>(
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min(fabsf(diff), upperBound), // X axis value = absolute value of the difference, truncated to the max value of this field
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sharpenParam.amount * diff * 0.01f // Y axis max value
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);
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lab->L[i][j] = intp(blend[i][j], lab->L[i][j] + delta, lab->L[i][j]);
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}
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} else {
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if (!sharpenParam.edgesonly) {
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// make a deep copy of lab->L
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JaggedArray<float> labCopy(W, H);
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#ifdef _OPENMP
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#pragma omp parallel for
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#endif
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for( int i = 0; i < H; i++ )
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for( int j = 0; j < W; j++ ) {
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labCopy[i][j] = lab->L[i][j];
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}
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sharpenHaloCtrl (lab->L, b2, labCopy, blend, W, H, sharpenParam);
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} else {
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sharpenHaloCtrl (lab->L, b2, base, blend, W, H, sharpenParam);
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}
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}
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if (sharpenParam.edgesonly) {
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for (int i = 0; i < H; i++) {
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delete [] b3[i];
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}
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delete [] b3;
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}
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if (sharpenParam.blurradius >= 0.25) {
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#ifdef _OPENMP
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#pragma omp parallel for
|
|
#endif
|
|
for (int i = 0; i < H; ++i) {
|
|
for (int j = 0; j < W; ++j) {
|
|
lab->L[i][j] = intp(blend[i][j], lab->L[i][j], max(blur[i][j], 0.0f));
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// To the extent possible under law, Manuel Llorens <manuelllorens@gmail.com>
|
|
// has waived all copyright and related or neighboring rights to this work.
|
|
// This code is licensed under CC0 v1.0, see license information at
|
|
// http://creativecommons.org/publicdomain/zero/1.0/
|
|
|
|
//! MicroContrast is a sharpening method developed by Manuel Llorens and documented here: http://www.rawness.es/sharpening/?lang=en
|
|
//! <BR>The purpose is maximize clarity of the image without creating halo's.
|
|
//! <BR>Addition from JD : pyramid + pondered contrast with matrix 5x5
|
|
//! <BR>2017 Ingo Weyrich : reduced processing time
|
|
//! \param luminance : Luminance channel of image
|
|
void ImProcFunctions::MLmicrocontrast(float** luminance, int W, int H)
|
|
{
|
|
if (!params->sharpenMicro.enabled || params->sharpenMicro.contrast == 100 || params->sharpenMicro.amount < 1.0) {
|
|
return;
|
|
}
|
|
BENCHFUN
|
|
const int k = params->sharpenMicro.matrix ? 1 : 2;
|
|
// k=2 matrix 5x5 k=1 matrix 3x3
|
|
const int width = W, height = H;
|
|
const int unif = params->sharpenMicro.uniformity;
|
|
const float amount = (k == 1 ? 2.7 : 1.) * params->sharpenMicro.amount / 1500.0; //amount 2000.0 quasi no artifacts ==> 1500 = maximum, after artifacts, 25/9 if 3x3
|
|
|
|
if (settings->verbose) {
|
|
printf ("Micro-contrast amount %f\n", static_cast<double>(amount));
|
|
printf ("Micro-contrast uniformity %i\n", unif);
|
|
}
|
|
|
|
//modulation uniformity in function of luminance
|
|
const float L98[11] = {0.001f, 0.0015f, 0.002f, 0.004f, 0.006f, 0.008f, 0.01f, 0.03f, 0.05f, 0.1f, 0.1f};
|
|
const float L95[11] = {0.0012f, 0.002f, 0.005f, 0.01f, 0.02f, 0.05f, 0.1f, 0.12f, 0.15f, 0.2f, 0.25f};
|
|
const float L92[11] = {0.01f, 0.015f, 0.02f, 0.06f, 0.10f, 0.13f, 0.17f, 0.25f, 0.3f, 0.32f, 0.35f};
|
|
const float L90[11] = {0.015f, 0.02f, 0.04f, 0.08f, 0.12f, 0.15f, 0.2f, 0.3f, 0.4f, 0.5f, 0.6f};
|
|
const float L87[11] = {0.025f, 0.03f, 0.05f, 0.1f, 0.15f, 0.25f, 0.3f, 0.4f, 0.5f, 0.63f, 0.75f};
|
|
const float L83[11] = {0.055f, 0.08f, 0.1f, 0.15f, 0.2f, 0.3f, 0.4f, 0.5f, 0.6f, 0.75f, 0.85f};
|
|
const float L80[11] = {0.15f, 0.2f, 0.25f, 0.3f, 0.35f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.9f};
|
|
const float L75[11] = {0.22f, 0.25f, 0.3f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.85f, 0.9f, 0.95f};
|
|
const float L70[11] = {0.35f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.97f, 1.0f, 1.0f, 1.0f, 1.0f};
|
|
const float L63[11] = {0.55f, 0.6f, 0.7f, 0.8f, 0.85f, 0.9f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f};
|
|
const float L58[11] = {0.75f, 0.77f, 0.8f, 0.9f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f};
|
|
//default 5
|
|
//modulation contrast
|
|
const float Cont0[11] = {0.05f, 0.1f, 0.2f, 0.25f, 0.3f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.9f};
|
|
const float Cont1[11] = {0.1f, 0.2f, 0.3f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.9f, 0.95f, 1.0f};
|
|
const float Cont2[11] = {0.2f, 0.40f, 0.6f, 0.7f, 0.8f, 0.85f, 0.90f, 0.95f, 1.0f, 1.05f, 1.10f};
|
|
const float Cont3[11] = {0.5f, 0.6f, 0.7f, 0.8f, 0.85f, 0.9f, 1.0f, 1.0f, 1.05f, 1.10f, 1.20f};
|
|
const float Cont4[11] = {0.8f, 0.85f, 0.9f, 0.95f, 1.0f, 1.05f, 1.10f, 1.150f, 1.2f, 1.25f, 1.40f};
|
|
const float Cont5[11] = {1.0f, 1.1f, 1.2f, 1.25f, 1.3f, 1.4f, 1.45f, 1.50f, 1.6f, 1.65f, 1.80f};
|
|
|
|
const float sqrt2 = sqrt(2.0);
|
|
const float sqrt1d25 = sqrt(1.25);
|
|
float *LM = new float[width * height]; //allocation for Luminance
|
|
|
|
// calculate contrast based blend factors to reduce sharpening in regions with low contrast
|
|
JaggedArray<float> blend(W, H);
|
|
float contrastThreshold = params->sharpenMicro.contrast / 100.0;
|
|
buildBlendMask(luminance, blend, W, H, contrastThreshold);
|
|
|
|
#ifdef _OPENMP
|
|
#pragma omp parallel
|
|
#endif
|
|
{
|
|
|
|
#ifdef _OPENMP
|
|
#pragma omp for schedule(dynamic,16)
|
|
#endif
|
|
|
|
for(int j = 0; j < height; j++)
|
|
for(int i = 0, offset = j * width + i; i < width; i++, offset++) {
|
|
LM[offset] = luminance[j][i] / 327.68f; // adjust to [0;100] and to RT variables
|
|
}
|
|
|
|
#ifdef _OPENMP
|
|
#pragma omp for schedule(dynamic,16)
|
|
#endif
|
|
|
|
for(int j = k; j < height - k; j++)
|
|
for(int i = k, offset = j * width + i; i < width - k; i++, offset++) {
|
|
float v = LM[offset];
|
|
|
|
float contrast;
|
|
if (k == 1) {
|
|
contrast = sqrtf(SQR(LM[offset + 1] - LM[offset - 1]) + SQR(LM[offset + width] - LM[offset - width])) * 0.125f; //for 3x3
|
|
} else /* if (k==2) */ contrast = sqrtf(SQR(LM[offset + 1] - LM[offset - 1]) + SQR(LM[offset + width] - LM[offset - width])
|
|
+ SQR(LM[offset + 2] - LM[offset - 2]) + SQR(LM[offset + 2 * width] - LM[offset - 2 * width])) * 0.0625f; //for 5x5
|
|
|
|
contrast = std::min(contrast, 1.f);
|
|
|
|
//matrix 5x5
|
|
float temp = v + 4.f *( v * (amount + sqrt2 * amount)); //begin 3x3
|
|
float temp1 = sqrt2 * amount *(LM[offset - width - 1] + LM[offset - width + 1] + LM[offset + width - 1] + LM[offset + width + 1]);
|
|
temp1 += amount * (LM[offset - width] + LM[offset - 1] + LM[offset + 1] + LM[offset + width]);
|
|
|
|
temp -= temp1;
|
|
|
|
// add JD continue 5x5
|
|
if (k == 2) {
|
|
float temp2 = -(LM[offset + 2 * width] + LM[offset - 2 * width] + LM[offset - 2] + LM[offset + 2]);
|
|
|
|
temp2 -= sqrt1d25 * (LM[offset + 2 * width - 1] + LM[offset + 2 * width + 1] + LM[offset + width + 2] + LM[offset + width - 2] +
|
|
LM[offset - 2 * width - 1] + LM[offset - 2 * width + 1] + LM[offset - width + 2] + LM[offset - width - 2]);
|
|
|
|
temp2 -= sqrt2 * (LM[offset + 2 * width - 2] + LM[offset + 2 * width + 2] + LM[offset - 2 * width - 2] + LM[offset - 2 * width + 2]);
|
|
temp2 += 18.601126159f * v ; // 18.601126159 = 4 + 4 * sqrt(2) + 8 * sqrt(1.25)
|
|
temp2 *= 2.f * amount;
|
|
temp += temp2;
|
|
}
|
|
|
|
temp = std::max(temp, 0.f);
|
|
|
|
for(int row = j - k; row <= j + k; ++row) {
|
|
for(int offset2 = row * width + i - k; offset2 <= row * width + i + k; ++offset2) {
|
|
if((LM[offset2] - temp) * (v - LM[offset2]) > 0.f) {
|
|
temp = intp(0.75f, temp, LM[offset2]);
|
|
goto breakout;
|
|
}
|
|
}
|
|
}
|
|
breakout:
|
|
|
|
if (LM[offset] > 95.0f || LM[offset] < 5.0f) {
|
|
contrast *= Cont0[unif]; //+ JD : luminance pyramid to adjust contrast by evaluation of LM[offset]
|
|
} else if (LM[offset] > 90.0f || LM[offset] < 10.0f) {
|
|
contrast *= Cont1[unif];
|
|
} else if (LM[offset] > 80.0f || LM[offset] < 20.0f) {
|
|
contrast *= Cont2[unif];
|
|
} else if (LM[offset] > 70.0f || LM[offset] < 30.0f) {
|
|
contrast *= Cont3[unif];
|
|
} else if (LM[offset] > 60.0f || LM[offset] < 40.0f) {
|
|
contrast *= Cont4[unif];
|
|
} else {
|
|
contrast *= Cont5[unif]; //(2.0f/k)*Cont5[unif];
|
|
}
|
|
|
|
contrast = std::min(contrast, 1.f);
|
|
|
|
float tempL = intp(contrast, LM[offset], temp);
|
|
// JD: modulation of microcontrast in function of original Luminance and modulation of luminance
|
|
if (tempL > LM[offset]) {
|
|
float temp2 = tempL / LM[offset]; //for highlights
|
|
temp2 = std::min(temp2, 1.7f); //limit action
|
|
temp2 -= 1.f;
|
|
if (LM[offset] > 98.0f) {
|
|
temp = 0.f;
|
|
} else if (LM[offset] > 95.0f) {
|
|
temp = L95[unif];
|
|
} else if (LM[offset] > 92.0f) {
|
|
temp = L92[unif];
|
|
} else if (LM[offset] > 90.0f) {
|
|
temp = L90[unif];
|
|
} else if (LM[offset] > 87.0f) {
|
|
temp = L87[unif];
|
|
} else if (LM[offset] > 83.0f) {
|
|
temp = L83[unif];
|
|
} else if (LM[offset] > 80.0f) {
|
|
temp = L80[unif];
|
|
} else if (LM[offset] > 75.0f) {
|
|
temp = L75[unif];
|
|
} else if (LM[offset] > 70.0f) {
|
|
temp = L70[unif];
|
|
} else if (LM[offset] > 63.0f) {
|
|
temp = L63[unif];
|
|
} else if (LM[offset] > 58.0f) {
|
|
temp = L58[unif];
|
|
} else if (LM[offset] > 42.0f) {
|
|
temp = L58[unif];
|
|
} else if (LM[offset] > 37.0f) {
|
|
temp = L63[unif];
|
|
} else if (LM[offset] > 30.0f) {
|
|
temp = L70[unif];
|
|
} else if (LM[offset] > 25.0f) {
|
|
temp = L75[unif];
|
|
} else if (LM[offset] > 20.0f) {
|
|
temp = L80[unif];
|
|
} else if (LM[offset] > 17.0f) {
|
|
temp = L83[unif];
|
|
} else if (LM[offset] > 13.0f) {
|
|
temp = L87[unif];
|
|
} else if (LM[offset] > 10.0f) {
|
|
temp = L90[unif];
|
|
} else if (LM[offset] > 5.0f) {
|
|
temp = L95[unif];
|
|
} else {
|
|
temp = 0.f;
|
|
}
|
|
luminance[j][i] = intp(blend[j][i], luminance[j][i] * (temp * temp2 + 1.f), luminance[j][i]);
|
|
} else {
|
|
|
|
float temp4 = LM[offset] / tempL; //
|
|
|
|
if (temp4 > 1.0f) {
|
|
temp4 = std::min(temp4, 1.7f); //limit action
|
|
temp4 -= 1.f;
|
|
if (LM[offset] < 2.0f) {
|
|
temp = L98[unif];
|
|
} else if (LM[offset] < 5.0f) {
|
|
temp = L95[unif];
|
|
} else if (LM[offset] < 8.0f) {
|
|
temp = L92[unif];
|
|
} else if (LM[offset] < 10.0f) {
|
|
temp = L90[unif];
|
|
} else if (LM[offset] < 13.0f) {
|
|
temp = L87[unif];
|
|
} else if (LM[offset] < 17.0f) {
|
|
temp = L83[unif];
|
|
} else if (LM[offset] < 20.0f) {
|
|
temp = L80[unif];
|
|
} else if (LM[offset] < 25.0f) {
|
|
temp = L75[unif];
|
|
} else if (LM[offset] < 30.0f) {
|
|
temp = L70[unif];
|
|
} else if (LM[offset] < 37.0f) {
|
|
temp = L63[unif];
|
|
} else if (LM[offset] < 42.0f) {
|
|
temp = L58[unif];
|
|
} else if (LM[offset] < 58.0f) {
|
|
temp = L58[unif];
|
|
} else if (LM[offset] < 63.0f) {
|
|
temp = L63[unif];
|
|
} else if (LM[offset] < 70.0f) {
|
|
temp = L70[unif];
|
|
} else if (LM[offset] < 75.0f) {
|
|
temp = L75[unif];
|
|
} else if (LM[offset] < 80.0f) {
|
|
temp = L80[unif];
|
|
} else if (LM[offset] < 83.0f) {
|
|
temp = L83[unif];
|
|
} else if (LM[offset] < 87.0f) {
|
|
temp = L87[unif];
|
|
} else if (LM[offset] < 90.0f) {
|
|
temp = L90[unif];
|
|
} else if (LM[offset] < 95.0f) {
|
|
temp = L95[unif];
|
|
} else {
|
|
temp = 0.f;
|
|
}
|
|
luminance[j][i] = intp(blend[j][i], luminance[j][i] / (temp * temp4 + 1.f), luminance[j][i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
delete [] LM;
|
|
}
|
|
|
|
void ImProcFunctions::MLmicrocontrast(LabImage* lab)
|
|
{
|
|
MLmicrocontrast(lab->L, lab->W, lab->H);
|
|
}
|
|
|
|
void ImProcFunctions::MLmicrocontrastcam(CieImage* ncie)
|
|
{
|
|
MLmicrocontrast(ncie->sh_p, ncie->W, ncie->H);
|
|
}
|
|
|
|
void ImProcFunctions::sharpeningcam (CieImage* ncie, float** b2, bool showMask)
|
|
{
|
|
if ((!params->sharpening.enabled) || params->sharpening.amount < 1 || ncie->W < 8 || ncie->H < 8) {
|
|
return;
|
|
}
|
|
|
|
int W = ncie->W, H = ncie->H;
|
|
|
|
// calculate contrast based blend factors to reduce sharpening in regions with low contrast
|
|
JaggedArray<float> blend(W, H);
|
|
float contrast = params->sharpening.contrast / 100.0;
|
|
buildBlendMask(ncie->sh_p, blend, W, H, contrast);
|
|
if(showMask) {
|
|
#ifdef _OPENMP
|
|
#pragma omp parallel for
|
|
#endif
|
|
|
|
for (int i = 0; i < H; ++i) {
|
|
for (int j = 0; j < W; ++j) {
|
|
ncie->sh_p[i][j] = blend[i][j] * 32768.f;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (params->sharpening.method == "rld") {
|
|
deconvsharpening (ncie->sh_p, b2, blend, ncie->W, ncie->H, params->sharpening, scale);
|
|
return;
|
|
}
|
|
|
|
// Rest is UNSHARP MASK
|
|
|
|
float** b3 = nullptr;
|
|
|
|
if (params->sharpening.edgesonly) {
|
|
b3 = new float*[H];
|
|
|
|
for (int i = 0; i < H; i++) {
|
|
b3[i] = new float[W];
|
|
}
|
|
}
|
|
|
|
#ifdef _OPENMP
|
|
#pragma omp parallel
|
|
#endif
|
|
{
|
|
|
|
if (!params->sharpening.edgesonly) {
|
|
gaussianBlur (ncie->sh_p, b2, W, H, params->sharpening.radius / scale);
|
|
} else {
|
|
bilateral<float, float> (ncie->sh_p, (float**)b3, b2, W, H, params->sharpening.edges_radius / scale, params->sharpening.edges_tolerance, multiThread);
|
|
gaussianBlur (b3, b2, W, H, params->sharpening.radius / scale);
|
|
}
|
|
}
|
|
|
|
float** base = ncie->sh_p;
|
|
|
|
if (params->sharpening.edgesonly) {
|
|
base = b3;
|
|
}
|
|
|
|
if (!params->sharpening.halocontrol) {
|
|
#ifdef _OPENMP
|
|
#pragma omp parallel for
|
|
#endif
|
|
|
|
for (int i = 0; i < H; i++)
|
|
for (int j = 0; j < W; j++) {
|
|
constexpr float upperBound = 2000.f; // WARNING: Duplicated value, it's baaaaaad !
|
|
float diff = base[i][j] - b2[i][j];
|
|
float delta = params->sharpening.threshold.multiply<float, float, float>(
|
|
min(fabsf(diff), upperBound), // X axis value = absolute value of the difference, truncated to the max value of this field
|
|
params->sharpening.amount * diff * 0.01f // Y axis max value
|
|
);
|
|
|
|
if(ncie->J_p[i][j] > 8.0f && ncie->J_p[i][j] < 92.0f) {
|
|
ncie->sh_p[i][j] = intp(blend[i][j], ncie->sh_p[i][j] + delta, ncie->sh_p[i][j]);
|
|
}
|
|
}
|
|
} else {
|
|
float** ncieCopy = nullptr;
|
|
|
|
if (!params->sharpening.edgesonly) {
|
|
// make deep copy of ncie->sh_p
|
|
ncieCopy = new float*[H];
|
|
|
|
for( int i = 0; i < H; i++ ) {
|
|
ncieCopy[i] = new float[W];
|
|
}
|
|
|
|
#ifdef _OPENMP
|
|
#pragma omp parallel for
|
|
#endif
|
|
|
|
for( int i = 0; i < H; i++ )
|
|
for( int j = 0; j < W; j++ ) {
|
|
ncieCopy[i][j] = ncie->sh_p[i][j];
|
|
}
|
|
|
|
base = ncieCopy;
|
|
}
|
|
|
|
sharpenHaloCtrl (ncie->sh_p, b2, base, blend, W, H, params->sharpening);
|
|
|
|
if(ncieCopy) {
|
|
for( int i = 0; i < H; i++ ) {
|
|
delete[] ncieCopy[i];
|
|
}
|
|
|
|
delete[] ncieCopy;
|
|
}
|
|
}
|
|
|
|
if (params->sharpening.edgesonly) {
|
|
for (int i = 0; i < H; i++) {
|
|
delete [] b3[i];
|
|
}
|
|
|
|
delete [] b3;
|
|
}
|
|
}
|
|
|
|
}
|