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flatfield: code review

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This commit is contained in:
Ingo Weyrich
2019-10-24 17:39:09 +02:00
parent fda4513fec
commit 8dba371ebb
2 changed files with 84 additions and 108 deletions
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190
rtengine/rawflatfield.cc
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@@ -1,7 +1,7 @@
/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2017 Gabor Horvath <hgabor@rawtherapee.com>
* Copyright (c) 2004-2019 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -17,12 +17,11 @@
* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
*/
#include <cmath>
#include <cstring>
#include <memory>
#include <new>
#include "rtengine.h"
#include "rawimagesource.h"
#include "rawimage.h"
#include "procparams.h"
//#define BENCHMARK
//#include "StopWatch.h"
@@ -30,37 +29,25 @@
namespace {
void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, int W)
void cfaboxblur(const float* const * riFlatFile, float* cfablur, int boxH, int boxW, int H, int W)
{
if (boxW < 0 || boxH < 0 || (boxW == 0 && boxH == 0)) { // nothing to blur or negative values
memcpy(cfablur, riFlatFile[0], W * H * sizeof(float));
return;
}
float *tmpBuffer = nullptr;
float *cfatmp = nullptr;
float *srcVertical = nullptr;
std::unique_ptr<float []> tmpBuffer;
float *cfatmp = cfablur;
if (boxH > 0 && boxW > 0) {
// we need a temporary buffer if we have to blur both directions
tmpBuffer = (float (*)) calloc (H * W, sizeof * tmpBuffer);
tmpBuffer.reset(new float [H * W]);
cfatmp = tmpBuffer.get();
}
if (boxH == 0) {
// if boxH == 0 we can skip the vertical blur and process the horizontal blur from riFlatFile to cfablur without using a temporary buffer
cfatmp = cfablur;
} else {
cfatmp = tmpBuffer;
}
if (boxW == 0) {
// if boxW == 0 we can skip the horizontal blur and process the vertical blur from riFlatFile to cfablur without using a temporary buffer
srcVertical = riFlatFile[0];
} else {
srcVertical = cfatmp;
}
// if boxW == 0 we can skip the horizontal blur and process the vertical blur from riFlatFile to cfablur without using a temporary buffer
const float* srcVertical = boxW == 0 ? riFlatFile[0] : cfatmp;
#ifdef _OPENMP
#pragma omp parallel
@@ -76,11 +63,11 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
for (int row = 0; row < H; ++row) {
int len = boxW / 2 + 1;
cfatmp[row * W + 0] = riFlatFile[row][0] / len;
cfatmp[row * W] = riFlatFile[row][0] / len;
cfatmp[row * W + 1] = riFlatFile[row][1] / len;
for (int j = 2; j <= boxW; j += 2) {
cfatmp[row * W + 0] += riFlatFile[row][j] / len;
cfatmp[row * W] += riFlatFile[row][j] / len;
cfatmp[row * W + 1] += riFlatFile[row][j + 1] / len;
}
@@ -90,8 +77,9 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
len ++;
}
const float rlen = 1.f / len;
for (int col = boxW + 2; col < W - boxW; col++) {
cfatmp[row * W + col] = cfatmp[row * W + col - 2] + (riFlatFile[row][boxW + col] - cfatmp[row * W + col - boxW - 2]) / len;
cfatmp[row * W + col] = cfatmp[row * W + col - 2] + (riFlatFile[row][boxW + col] - cfatmp[row * W + col - boxW - 2]) * rlen;
}
for (int col = W - boxW; col < W; col += 2) {
@@ -117,10 +105,10 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
for (int col = 0; col < W - 7; col += 8) {
vfloat lenv = leninitv;
vfloat temp1v = LVFU(srcVertical[0 * W + col]) / lenv;
vfloat temp2v = LVFU(srcVertical[1 * W + col]) / lenv;
vfloat temp3v = LVFU(srcVertical[0 * W + col + 4]) / lenv;
vfloat temp4v = LVFU(srcVertical[1 * W + col + 4]) / lenv;
vfloat temp1v = LVFU(srcVertical[col]) / lenv;
vfloat temp2v = LVFU(srcVertical[W + col]) / lenv;
vfloat temp3v = LVFU(srcVertical[col + 4]) / lenv;
vfloat temp4v = LVFU(srcVertical[W + col + 4]) / lenv;
for (int i = 2; i < boxH + 2; i += 2) {
temp1v += LVFU(srcVertical[i * W + col]) / lenv;
@@ -129,10 +117,10 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
temp4v += LVFU(srcVertical[(i + 1) * W + col + 4]) / lenv;
}
STVFU(cfablur[0 * W + col], temp1v);
STVFU(cfablur[1 * W + col], temp2v);
STVFU(cfablur[0 * W + col + 4], temp3v);
STVFU(cfablur[1 * W + col + 4], temp4v);
STVFU(cfablur[col], temp1v);
STVFU(cfablur[W + col], temp2v);
STVFU(cfablur[col + 4], temp3v);
STVFU(cfablur[W + col + 4], temp4v);
int row;
for (row = 2; row < boxH + 2; row += 2) {
@@ -142,9 +130,9 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
temp3v = (temp3v * lenv + LVFU(srcVertical[(row + boxH) * W + col + 4])) / lenp1v;
temp4v = (temp4v * lenv + LVFU(srcVertical[(row + boxH + 1) * W + col + 4])) / lenp1v;
STVFU(cfablur[row * W + col], temp1v);
STVFU(cfablur[(row + 1)*W + col], temp2v);
STVFU(cfablur[(row + 1) * W + col], temp2v);
STVFU(cfablur[row * W + col + 4], temp3v);
STVFU(cfablur[(row + 1)*W + col + 4], temp4v);
STVFU(cfablur[(row + 1) * W + col + 4], temp4v);
lenv = lenp1v;
}
@@ -154,9 +142,9 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
temp3v = temp3v + (LVFU(srcVertical[(row + boxH) * W + col + 4]) - LVFU(srcVertical[(row - boxH - 2) * W + col + 4])) / lenv;
temp4v = temp4v + (LVFU(srcVertical[(row + 1 + boxH) * W + col + 4]) - LVFU(srcVertical[(row + 1 - boxH - 2) * W + col + 4])) / lenv;
STVFU(cfablur[row * W + col], temp1v);
STVFU(cfablur[(row + 1)*W + col], temp2v);
STVFU(cfablur[(row + 1) * W + col], temp2v);
STVFU(cfablur[row * W + col + 4], temp3v);
STVFU(cfablur[(row + 1)*W + col + 4], temp4v);
STVFU(cfablur[(row + 1) * W + col + 4], temp4v);
}
if (row < H - boxH) {
@@ -180,9 +168,9 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
temp3v = (temp3v * lenv - LVFU(srcVertical[(row - boxH - 2) * W + col + 4])) / lenm1v;
temp4v = (temp4v * lenv - LVFU(srcVertical[(row - boxH - 1) * W + col + 4])) / lenm1v;
STVFU(cfablur[row * W + col], temp1v);
STVFU(cfablur[(row + 1)*W + col], temp2v);
STVFU(cfablur[(row + 1) * W + col], temp2v);
STVFU(cfablur[row * W + col + 4], temp3v);
STVFU(cfablur[(row + 1)*W + col + 4], temp4v);
STVFU(cfablur[(row + 1) * W + col + 4], temp4v);
lenv = lenm1v;
}
@@ -190,8 +178,8 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
vfloat lenm1v = lenv - onev;
temp1v = (temp1v * lenv - LVFU(srcVertical[(row - boxH - 2) * W + col])) / lenm1v;
temp3v = (temp3v * lenv - LVFU(srcVertical[(row - boxH - 2) * W + col + 4])) / lenm1v;
STVFU(cfablur[(row)*W + col], temp1v);
STVFU(cfablur[(row)*W + col + 4], temp3v);
STVFU(cfablur[row * W + col], temp1v);
STVFU(cfablur[row * W + col + 4], temp3v);
}
}
@@ -202,18 +190,18 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
for (int col = W - (W % 8); col < W; ++col) {
int len = boxH / 2 + 1;
cfablur[0 * W + col] = srcVertical[0 * W + col] / len;
cfablur[1 * W + col] = srcVertical[1 * W + col] / len;
cfablur[col] = srcVertical[col] / len;
cfablur[W + col] = srcVertical[W + col] / len;
for (int i = 2; i < boxH + 2; i += 2) {
cfablur[0 * W + col] += srcVertical[i * W + col] / len;
cfablur[1 * W + col] += srcVertical[(i + 1) * W + col] / len;
cfablur[col] += srcVertical[i * W + col] / len;
cfablur[W + col] += srcVertical[(i + 1) * W + col] / len;
}
for (int row = 2; row < boxH + 2; row += 2) {
cfablur[row * W + col] = (cfablur[(row - 2) * W + col] * len + srcVertical[(row + boxH) * W + col]) / (len + 1);
cfablur[(row + 1)*W + col] = (cfablur[(row - 1) * W + col] * len + srcVertical[(row + boxH + 1) * W + col]) / (len + 1);
len ++;
cfablur[(row + 1) * W + col] = (cfablur[(row - 1) * W + col] * len + srcVertical[(row + boxH + 1) * W + col]) / (len + 1);
++len;
}
for (int row = boxH + 2; row < H - boxH; ++row) {
@@ -224,10 +212,9 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
cfablur[row * W + col] = (cfablur[(row - 2) * W + col] * len - srcVertical[(row - boxH - 2) * W + col]) / (len - 1);
if (row + 1 < H) {
cfablur[(row + 1)*W + col] = (cfablur[(row - 1) * W + col] * len - srcVertical[(row - boxH - 1) * W + col]) / (len - 1);
cfablur[(row + 1) * W + col] = (cfablur[(row - 1) * W + col] * len - srcVertical[(row - boxH - 1) * W + col]) / (len - 1);
}
len --;
--len;
}
}
@@ -238,18 +225,18 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
for (int col = 0; col < W; ++col) {
int len = boxH / 2 + 1;
cfablur[0 * W + col] = srcVertical[0 * W + col] / len;
cfablur[1 * W + col] = srcVertical[1 * W + col] / len;
cfablur[col] = srcVertical[col] / len;
cfablur[W + col] = srcVertical[W + col] / len;
for (int i = 2; i < boxH + 2; i += 2) {
cfablur[0 * W + col] += srcVertical[i * W + col] / len;
cfablur[1 * W + col] += srcVertical[(i + 1) * W + col] / len;
cfablur[col] += srcVertical[i * W + col] / len;
cfablur[W + col] += srcVertical[(i + 1) * W + col] / len;
}
for (int row = 2; row < boxH + 2; row += 2) {
cfablur[row * W + col] = (cfablur[(row - 2) * W + col] * len + srcVertical[(row + boxH) * W + col]) / (len + 1);
cfablur[(row + 1)*W + col] = (cfablur[(row - 1) * W + col] * len + srcVertical[(row + boxH + 1) * W + col]) / (len + 1);
len ++;
cfablur[(row + 1) * W + col] = (cfablur[(row - 1) * W + col] * len + srcVertical[(row + boxH + 1) * W + col]) / (len + 1);
++len;
}
for (int row = boxH + 2; row < H - boxH; ++row) {
@@ -260,20 +247,14 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
cfablur[row * W + col] = (cfablur[(row - 2) * W + col] * len - srcVertical[(row - boxH - 2) * W + col]) / (len - 1);
if (row + 1 < H) {
cfablur[(row + 1)*W + col] = (cfablur[(row - 1) * W + col] * len - srcVertical[(row - boxH - 1) * W + col]) / (len - 1);
cfablur[(row + 1) * W + col] = (cfablur[(row - 1) * W + col] * len - srcVertical[(row - boxH - 1) * W + col]) / (len - 1);
}
len --;
--len;
}
}
#endif
}
}
if (tmpBuffer) {
free (tmpBuffer);
}
}
}
@@ -281,22 +262,23 @@ void cfaboxblur(float** riFlatFile, float* cfablur, int boxH, int boxW, int H, i
namespace rtengine
{
void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile, unsigned short black[4])
void RawImageSource::processFlatField(const RAWParams &raw, const RawImage *riFlatFile, const unsigned short black[4])
{
// BENCHFUN
float *cfablur = new float[H * W];
int BS = raw.ff_BlurRadius;
BS += BS & 1;
const float fblack[4] = {static_cast<float>(black[0]), static_cast<float>(black[1]), static_cast<float>(black[2]), static_cast<float>(black[3])};
std::unique_ptr<float[]> cfablur(new float[H * W]);
const int BS = raw.ff_BlurRadius + (raw.ff_BlurRadius & 1);
if (raw.ff_BlurType == RAWParams::getFlatFieldBlurTypeString(RAWParams::FlatFieldBlurType::V)) {
cfaboxblur(riFlatFile->data, cfablur, 2 * BS, 0, H, W);
cfaboxblur(riFlatFile->data, cfablur.get(), 2 * BS, 0, H, W);
} else if (raw.ff_BlurType == RAWParams::getFlatFieldBlurTypeString(RAWParams::FlatFieldBlurType::H)) {
cfaboxblur(riFlatFile->data, cfablur, 0, 2 * BS, H, W);
cfaboxblur(riFlatFile->data, cfablur.get(), 0, 2 * BS, H, W);
} else if (raw.ff_BlurType == RAWParams::getFlatFieldBlurTypeString(RAWParams::FlatFieldBlurType::VH)) {
//slightly more complicated blur if trying to correct both vertical and horizontal anomalies
cfaboxblur(riFlatFile->data, cfablur, BS, BS, H, W); //first do area blur to correct vignette
cfaboxblur(riFlatFile->data, cfablur.get(), BS, BS, H, W); //first do area blur to correct vignette
} else { //(raw.ff_BlurType == RAWParams::getFlatFieldBlurTypeString(RAWParams::area_ff))
cfaboxblur(riFlatFile->data, cfablur, BS, BS, H, W);
cfaboxblur(riFlatFile->data, cfablur.get(), BS, BS, H, W);
}
if (ri->getSensorType() == ST_BAYER || ri->get_colors() == 1) {
@@ -309,7 +291,7 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
const int col = 2 * (W >> 2) + n;
const int c = ri->get_colors() != 1 ? FC(row, col) : 0;
const int c4 = ri->get_colors() != 1 ? ((c == 1 && !(row & 1)) ? 3 : c) : 0;
refcolor[m][n] = std::max(0.0f, cfablur[row * W + col] - black[c4]);
refcolor[m][n] = std::max(0.0f, cfablur[row * W + col] - fblack[c4]);
}
float limitFactor = 1.f;
@@ -332,16 +314,16 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
clippedBefore = true;
break;
}
const float tempval = (rawVal - black[c4]) * (refcolor[m][n] / std::max(1e-5f, cfablur[(row + m) * W + col + n] - black[c4]));
const float tempval = (rawVal - fblack[c4]) * (refcolor[m][n] / std::max(1e-5f, cfablur[(row + m) * W + col + n] - fblack[c4]));
maxval = std::max(maxval, tempval);
}
}
// now we have the max value for the channel
// if it clips, calculate factor to avoid clipping
if (maxval + black[c4] >= ri->get_white(c4)) {
if (maxval + fblack[c4] >= ri->get_white(c4)) {
if (!clippedBefore) {
limitFactor = std::min(limitFactor, ri->get_white(c4) / (maxval + black[c4]));
limitFactor = std::min(limitFactor, ri->get_white(c4) / (maxval + fblack[c4]));
} else {
limitFactor = 1.f;
}
@@ -350,7 +332,7 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
}
flatFieldAutoClipValue = (1.f - limitFactor) * 100.f; // this value can be used to set the clip control slider in gui
} else {
limitFactor = std::max((float)(100 - raw.ff_clipControl) / 100.f, 0.01f);
limitFactor = std::max((100 - raw.ff_clipControl) / 100.f, 0.01f);
}
for (int m = 0; m < 2; ++m)
@@ -378,8 +360,8 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
const vfloat refcolorv[2] = {_mm_set_ps(refcolor[0][1], refcolor[0][0], refcolor[0][1], refcolor[0][0]),
_mm_set_ps(refcolor[1][1], refcolor[1][0], refcolor[1][1], refcolor[1][0])
};
const vfloat blackv[2] = {_mm_set_ps(black[c4[0][1]], black[c4[0][0]], black[c4[0][1]], black[c4[0][0]]),
_mm_set_ps(black[c4[1][1]], black[c4[1][0]], black[c4[1][1]], black[c4[1][0]])
const vfloat blackv[2] = {_mm_set_ps(fblack[c4[0][1]], fblack[c4[0][0]], fblack[c4[0][1]], fblack[c4[0][0]]),
_mm_set_ps(fblack[c4[1][1]], fblack[c4[1][0]], fblack[c4[1][1]], fblack[c4[1][0]])
};
const vfloat onev = F2V(1.f);
@@ -396,7 +378,7 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
const vfloat rowRefcolorv = refcolorv[row & 1];
for (; col < W - 3; col += 4) {
const vfloat blurv = LVFU(cfablur[(row) * W + col]) - rowBlackv;
const vfloat blurv = LVFU(cfablur[row * W + col]) - rowBlackv;
vfloat vignettecorrv = rowRefcolorv / blurv;
vignettecorrv = vself(vmaskf_le(blurv, minValuev), onev, vignettecorrv);
const vfloat valv = LVFU(rawData[row][col]) - rowBlackv;
@@ -406,9 +388,9 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
#endif
for (; col < W; ++col) {
const float blur = cfablur[(row) * W + col] - black[c4[row & 1][col & 1]];
const float blur = cfablur[row * W + col] - fblack[c4[row & 1][col & 1]];
const float vignettecorr = blur <= minValue ? 1.f : refcolor[row & 1][col & 1] / blur;
rawData[row][col] = (rawData[row][col] - black[c4[row & 1][col & 1]]) * vignettecorr + black[c4[row & 1][col & 1]];
rawData[row][col] = (rawData[row][col] - fblack[c4[row & 1][col & 1]]) * vignettecorr + fblack[c4[row & 1][col & 1]];
}
}
} else if (ri->getSensorType() == ST_FUJI_XTRANS) {
@@ -421,7 +403,7 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
const int row = 2 * (H >> 2) + m;
const int col = 2 * (W >> 2) + n;
const int c = riFlatFile->XTRANSFC(row, col);
refcolor[c] += std::max(0.0f, cfablur[row * W + col] - black[c]);
refcolor[c] += std::max(0.0f, cfablur[row * W + col] - fblack[c]);
cCount[c] ++;
}
@@ -447,14 +429,14 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
clippedBefore = true;
break;
}
const float tempval = (rawVal - black[0]) * (refcolor[ri->XTRANSFC(row, col)] / std::max(1e-5f, cfablur[(row) * W + col] - black[0]));
const float tempval = (rawVal - fblack[0]) * (refcolor[ri->XTRANSFC(row, col)] / std::max(1e-5f, cfablur[(row) * W + col] - fblack[0]));
maxval = std::max(maxval, tempval);
}
}
// there's only one white level for xtrans
if (!clippedBefore && maxval + black[0] > ri->get_white(0)) {
limitFactor = ri->get_white(0) / (maxval + black[0]);
if (!clippedBefore && maxval + fblack[0] > ri->get_white(0)) {
limitFactor = ri->get_white(0) / (maxval + fblack[0]);
flatFieldAutoClipValue = (1.f - limitFactor) * 100.f; // this value can be used to set the clip control slider in gui
}
} else {
@@ -475,19 +457,19 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
for (int row = 0; row < H; ++row) {
for (int col = 0; col < W; ++col) {
const int c = ri->XTRANSFC(row, col);
const float blur = cfablur[(row) * W + col] - black[c];
const float blur = cfablur[(row) * W + col] - fblack[c];
const float vignettecorr = blur <= minValue ? 1.f : refcolor[c] / blur;
rawData[row][col] = (rawData[row][col] - black[c]) * vignettecorr + black[c];
rawData[row][col] = (rawData[row][col] - fblack[c]) * vignettecorr + fblack[c];
}
}
}
if (raw.ff_BlurType == RAWParams::getFlatFieldBlurTypeString(RAWParams::FlatFieldBlurType::VH)) {
float *cfablur1 = new float[H * W];
float *cfablur2 = new float[H * W];
std::unique_ptr<float []> cfablur1(new float[H * W]);
std::unique_ptr<float []> cfablur2(new float[H * W]);
//slightly more complicated blur if trying to correct both vertical and horizontal anomalies
cfaboxblur(riFlatFile->data, cfablur1, 0, 2 * BS, H, W); //now do horizontal blur
cfaboxblur(riFlatFile->data, cfablur2, 2 * BS, 0, H, W); //now do vertical blur
cfaboxblur(riFlatFile->data, cfablur1.get(), 0, 2 * BS, H, W); //now do horizontal blur
cfaboxblur(riFlatFile->data, cfablur2.get(), 2 * BS, 0, H, W); //now do vertical blur
if (ri->getSensorType() == ST_BAYER || ri->get_colors() == 1) {
unsigned int c[2][2] {};
@@ -505,8 +487,8 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
}
#ifdef __SSE2__
const vfloat blackv[2] = {_mm_set_ps(black[c4[0][1]], black[c4[0][0]], black[c4[0][1]], black[c4[0][0]]),
_mm_set_ps(black[c4[1][1]], black[c4[1][0]], black[c4[1][1]], black[c4[1][0]])
const vfloat blackv[2] = {_mm_set_ps(fblack[c4[0][1]], fblack[c4[0][0]], fblack[c4[0][1]], fblack[c4[0][0]]),
_mm_set_ps(fblack[c4[1][1]], fblack[c4[1][0]], fblack[c4[1][1]], fblack[c4[1][0]])
};
const vfloat epsv = F2V(1e-5f);
@@ -530,9 +512,9 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
#endif
for (; col < W; ++col) {
const float linecorr = SQR(std::max(1e-5f, cfablur[row * W + col] - black[c4[row & 1][col & 1]])) /
(std::max(1e-5f, cfablur1[row * W + col] - black[c4[row & 1][col & 1]]) * std::max(1e-5f, cfablur2[row * W + col] - black[c4[row & 1][col & 1]]));
rawData[row][col] = (rawData[row][col] - black[c4[row & 1][col & 1]]) * linecorr + black[c4[row & 1][col & 1]];
const float linecorr = SQR(std::max(1e-5f, cfablur[row * W + col] - fblack[c4[row & 1][col & 1]])) /
(std::max(1e-5f, cfablur1[row * W + col] - fblack[c4[row & 1][col & 1]]) * std::max(1e-5f, cfablur2[row * W + col] - fblack[c4[row & 1][col & 1]]));
rawData[row][col] = (rawData[row][col] - fblack[c4[row & 1][col & 1]]) * linecorr + fblack[c4[row & 1][col & 1]];
}
}
} else if (ri->getSensorType() == ST_FUJI_XTRANS) {
@@ -543,18 +525,12 @@ void RawImageSource::processFlatField(const RAWParams &raw, RawImage *riFlatFile
for (int row = 0; row < H; ++row) {
for (int col = 0; col < W; ++col) {
const int c = ri->XTRANSFC(row, col);
const float hlinecorr = std::max(1e-5f, cfablur[(row) * W + col] - black[c]) / std::max(1e-5f, cfablur1[(row) * W + col] - black[c]);
const float vlinecorr = std::max(1e-5f, cfablur[(row) * W + col] - black[c]) / std::max(1e-5f, cfablur2[(row) * W + col] - black[c]);
rawData[row][col] = (rawData[row][col] - black[c]) * hlinecorr * vlinecorr + black[c];
const float hlinecorr = std::max(1e-5f, cfablur[(row) * W + col] - fblack[c]) / std::max(1e-5f, cfablur1[(row) * W + col] - fblack[c]);
const float vlinecorr = std::max(1e-5f, cfablur[(row) * W + col] - fblack[c]) / std::max(1e-5f, cfablur2[(row) * W + col] - fblack[c]);
rawData[row][col] = (rawData[row][col] - fblack[c]) * hlinecorr * vlinecorr + fblack[c];
}
}
}
delete [] cfablur1;
delete [] cfablur2;
}
delete [] cfablur;
}
} /* namespace */

2
rtengine/rawimagesource.h
View File

@@ -138,7 +138,7 @@ public:
return rgbSourceModified; // tracks whether cached rgb output of demosaic has been modified
}
void processFlatField(const RAWParams &raw, RawImage *riFlatFile, unsigned short black[4]);
void processFlatField(const RAWParams &raw, const RawImage *riFlatFile, const unsigned short black[4]);
void copyOriginalPixels(const RAWParams &raw, RawImage *ri, RawImage *riDark, RawImage *riFlatFile, array2D<float> &rawData );
void scaleColors (int winx, int winy, int winw, int winh, const RAWParams &raw, array2D<float> &rawData); // raw for cblack