Formatted all .cc and .h code in rtengine, rtexif and rtgui using astyle
This commit is contained in:
@@ -1,24 +1,24 @@
|
||||
////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// CFA line denoise by DCT filtering
|
||||
// CFA line denoise by DCT filtering
|
||||
//
|
||||
// copyright (c) 2008-2010 Emil Martinec <ejmartin@uchicago.edu>
|
||||
// parallelized 2013 by Ingo Weyrich
|
||||
// copyright (c) 2008-2010 Emil Martinec <ejmartin@uchicago.edu>
|
||||
// parallelized 2013 by Ingo Weyrich
|
||||
//
|
||||
// code dated: June 7, 2010
|
||||
//
|
||||
// cfa_linedn_RT.cc is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
// cfa_linedn_RT.cc is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
////////////////////////////////////////////////////////////////
|
||||
|
||||
@@ -28,7 +28,7 @@
|
||||
#include "rawimagesource.h"
|
||||
#include "rt_math.h"
|
||||
|
||||
#define TS 224 // Tile size of 224 instead of 512 speeds up processing
|
||||
#define TS 224 // Tile size of 224 instead of 512 speeds up processing
|
||||
|
||||
#define CLASS
|
||||
|
||||
@@ -41,201 +41,228 @@ using namespace rtengine;
|
||||
|
||||
void RawImageSource::CLASS cfa_linedn(float noise)
|
||||
{
|
||||
// local variables
|
||||
int height=H, width=W;
|
||||
|
||||
const float clip_pt = 0.8*initialGain* 65535.0;
|
||||
|
||||
float eps=1e-5; //tolerance to avoid dividing by zero
|
||||
|
||||
const float gauss[5] = {0.20416368871516755, 0.18017382291138087, 0.1238315368057753, 0.0662822452863612, 0.02763055063889883};
|
||||
const float rolloff[8] = {0, 0.135335, 0.249352, 0.411112, 0.606531, 0.800737, 0.945959, 1}; //gaussian with sigma=3
|
||||
const float window[8] = {0, .25, .75, 1, 1, .75, .25, 0}; //sine squared
|
||||
// local variables
|
||||
int height = H, width = W;
|
||||
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
if (plistener) {
|
||||
plistener->setProgressStr ("Line Denoise...");
|
||||
plistener->setProgress (0.0);
|
||||
}
|
||||
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
float noisevar=SQR(3*noise*65535); // _noise_ (as a fraction of saturation) is input to the algorithm
|
||||
float noisevarm4 = 4.0f * noisevar;
|
||||
volatile double progress = 0.0;
|
||||
float* RawDataTmp = (float*)malloc( width*height*sizeof(float));
|
||||
#pragma omp parallel
|
||||
{
|
||||
|
||||
// allocate memory and assure the arrays don't have same 64 byte boundary to avoid L1 conflict misses
|
||||
char *buffer = (char*)malloc(4 * TS * TS * sizeof(float)+ 3*64);
|
||||
float *cfain = (float*)(buffer);
|
||||
float *cfablur =(float*)(buffer+(TS*TS*sizeof(float))+ 1 * 64);
|
||||
float *cfadiff =(float*)(buffer+(2*TS*TS*sizeof(float))+ 2 * 64);
|
||||
float *cfadn =(float*)(buffer+(3*TS*TS*sizeof(float))+ 3 * 64);
|
||||
const float clip_pt = 0.8 * initialGain * 65535.0;
|
||||
|
||||
float eps = 1e-5; //tolerance to avoid dividing by zero
|
||||
|
||||
const float gauss[5] = {0.20416368871516755, 0.18017382291138087, 0.1238315368057753, 0.0662822452863612, 0.02763055063889883};
|
||||
const float rolloff[8] = {0, 0.135335, 0.249352, 0.411112, 0.606531, 0.800737, 0.945959, 1}; //gaussian with sigma=3
|
||||
const float window[8] = {0, .25, .75, 1, 1, .75, .25, 0}; //sine squared
|
||||
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
if (plistener) {
|
||||
plistener->setProgressStr ("Line Denoise...");
|
||||
plistener->setProgress (0.0);
|
||||
}
|
||||
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
float noisevar = SQR(3 * noise * 65535); // _noise_ (as a fraction of saturation) is input to the algorithm
|
||||
float noisevarm4 = 4.0f * noisevar;
|
||||
volatile double progress = 0.0;
|
||||
float* RawDataTmp = (float*)malloc( width * height * sizeof(float));
|
||||
#pragma omp parallel
|
||||
{
|
||||
|
||||
// allocate memory and assure the arrays don't have same 64 byte boundary to avoid L1 conflict misses
|
||||
char *buffer = (char*)malloc(4 * TS * TS * sizeof(float) + 3 * 64);
|
||||
float *cfain = (float*)(buffer);
|
||||
float *cfablur = (float*)(buffer + (TS * TS * sizeof(float)) + 1 * 64);
|
||||
float *cfadiff = (float*)(buffer + (2 * TS * TS * sizeof(float)) + 2 * 64);
|
||||
float *cfadn = (float*)(buffer + (3 * TS * TS * sizeof(float)) + 3 * 64);
|
||||
|
||||
|
||||
float linehvar[4], linevvar[4], noisefactor[4][8][2], coeffsq;
|
||||
float dctblock[4][8][8];
|
||||
float linehvar[4], linevvar[4], noisefactor[4][8][2], coeffsq;
|
||||
float dctblock[4][8][8];
|
||||
|
||||
#pragma omp for
|
||||
for(int i=0;i<height;i++)
|
||||
for(int j=0;j<width;j++)
|
||||
RawDataTmp[i*width+j] = rawData[i][j];
|
||||
#pragma omp for
|
||||
|
||||
// Main algorithm: Tile loop
|
||||
#pragma omp for schedule(dynamic) collapse(2)
|
||||
for (int top=0; top < height-16; top += TS-32)
|
||||
for (int left=0; left < width-16; left += TS-32) {
|
||||
|
||||
int bottom = min(top+TS,height);
|
||||
int right = min(left+TS, width);
|
||||
int numrows = bottom - top;
|
||||
int numcols = right - left;
|
||||
int indx1;
|
||||
// load CFA data; data should be in linear gamma space, before white balance multipliers are applied
|
||||
for (int rr=top; rr < top+numrows; rr++)
|
||||
for (int cc=left, indx=(rr-top)*TS; cc < left+numcols; cc++, indx++) {
|
||||
cfain[indx] = rawData[rr][cc];
|
||||
}
|
||||
//pad the block to a multiple of 16 on both sides
|
||||
|
||||
if (numcols < TS) {
|
||||
indx1=numcols % 16;
|
||||
for (int i=0; i<(16-indx1); i++)
|
||||
for (int rr=0; rr<numrows; rr++)
|
||||
cfain[(rr)*TS+numcols+i]=cfain[(rr)*TS+numcols-i-1];
|
||||
for(int i = 0; i < height; i++)
|
||||
for(int j = 0; j < width; j++) {
|
||||
RawDataTmp[i * width + j] = rawData[i][j];
|
||||
}
|
||||
|
||||
numcols += 16-indx1;
|
||||
}
|
||||
|
||||
if (numrows < TS) {
|
||||
indx1=numrows % 16;
|
||||
for (int i=0; i<(16-indx1); i++)
|
||||
for (int cc=0; cc<numcols; cc++)
|
||||
cfain[(numrows+i)*TS+cc]=cfain[(numrows-i-1)*TS+cc];
|
||||
// Main algorithm: Tile loop
|
||||
#pragma omp for schedule(dynamic) collapse(2)
|
||||
|
||||
numrows += 16-indx1;
|
||||
}
|
||||
|
||||
//The cleaning algorithm starts here
|
||||
|
||||
//gaussian blur of CFA data
|
||||
for (int rr=8; rr < numrows-8; rr++){
|
||||
for (int indx=rr*TS; indx < rr*TS+numcols; indx++) {
|
||||
cfablur[indx]=gauss[0]*cfain[indx];
|
||||
for (int i=1; i<5; i++) {
|
||||
cfablur[indx] += gauss[i]*(cfain[indx-(2*i)*TS]+cfain[indx+(2*i)*TS]);
|
||||
}
|
||||
}
|
||||
for (int indx=rr*TS+8; indx < rr*TS+numcols-8; indx++) {
|
||||
cfadn[indx] = gauss[0]*cfablur[indx];
|
||||
for (int i=1; i<5; i++) {
|
||||
cfadn[indx] += gauss[i]*(cfablur[indx-2*i]+cfablur[indx+2*i]);
|
||||
}
|
||||
cfadiff[indx]=cfain[indx]-cfadn[indx]; // hipass cfa data
|
||||
}
|
||||
}
|
||||
for (int top = 0; top < height - 16; top += TS - 32)
|
||||
for (int left = 0; left < width - 16; left += TS - 32) {
|
||||
|
||||
//begin block DCT
|
||||
for (int rr=8; rr < numrows-22; rr+=8) // (rr,cc) shift by 8 to overlap blocks
|
||||
for (int cc=8; cc < numcols-22; cc+=8) {
|
||||
for (int ey=0; ey<2; ey++) // (ex,ey) specify RGGB subarray
|
||||
for (int ex=0; ex<2; ex++) {
|
||||
//grab an 8x8 block of a given RGGB channel
|
||||
for (int i=0; i<8; i++)
|
||||
for (int j=0; j<8; j++) {
|
||||
dctblock[2*ey+ex][i][j]=cfadiff[(rr+2*i+ey)*TS+cc+2*j+ex];
|
||||
}
|
||||
|
||||
ddct8x8s(-1, dctblock[2*ey+ex]); //forward DCT
|
||||
}
|
||||
for (int ey=0; ey<2; ey++) // (ex,ey) specify RGGB subarray
|
||||
for (int ex=0; ex<2; ex++) {
|
||||
linehvar[2*ey+ex]=linevvar[2*ey+ex]=0;
|
||||
for (int i=4; i<8; i++) {
|
||||
linehvar[2*ey+ex] += SQR(dctblock[2*ey+ex][0][i]);
|
||||
linevvar[2*ey+ex] += SQR(dctblock[2*ey+ex][i][0]);
|
||||
}
|
||||
//Wiener filter for line denoising; roll off low frequencies
|
||||
for (int i=1; i<8; i++) {
|
||||
coeffsq = SQR(dctblock[2*ey+ex][i][0]);//vertical
|
||||
noisefactor[2*ey+ex][i][0] = coeffsq/(coeffsq+rolloff[i]*noisevar+eps);
|
||||
coeffsq = SQR(dctblock[2*ey+ex][0][i]);//horizontal
|
||||
noisefactor[2*ey+ex][i][1] = coeffsq/(coeffsq+rolloff[i]*noisevar+eps);
|
||||
// noisefactor labels are [RGGB subarray][row/col position][0=vert,1=hor]
|
||||
}
|
||||
}
|
||||
//horizontal lines
|
||||
if (noisevarm4>(linehvar[0]+linehvar[1])) {//horizontal lines
|
||||
for (int i=1; i<8; i++) {
|
||||
dctblock[0][0][i] *= 0.5f*(noisefactor[0][i][1]+noisefactor[1][i][1]);//or should we use MIN???
|
||||
dctblock[1][0][i] *= 0.5f*(noisefactor[0][i][1]+noisefactor[1][i][1]);//or should we use MIN???
|
||||
}
|
||||
}
|
||||
if (noisevarm4>(linehvar[2]+linehvar[3])) {//horizontal lines
|
||||
for (int i=1; i<8; i++) {
|
||||
dctblock[2][0][i] *= 0.5f*(noisefactor[2][i][1]+noisefactor[3][i][1]);//or should we use MIN???
|
||||
dctblock[3][0][i] *= 0.5f*(noisefactor[2][i][1]+noisefactor[3][i][1]);//or should we use MIN???
|
||||
}
|
||||
}
|
||||
|
||||
//vertical lines
|
||||
if (noisevarm4>(linevvar[0]+linevvar[2])) {//vertical lines
|
||||
for (int i=1; i<8; i++) {
|
||||
dctblock[0][i][0] *= 0.5f*(noisefactor[0][i][0]+noisefactor[2][i][0]);//or should we use MIN???
|
||||
dctblock[2][i][0] *= 0.5f*(noisefactor[0][i][0]+noisefactor[2][i][0]);//or should we use MIN???
|
||||
}
|
||||
}
|
||||
if (noisevarm4>(linevvar[1]+linevvar[3])) {//vertical lines
|
||||
for (int i=1; i<8; i++) {
|
||||
dctblock[1][i][0] *= 0.5f*(noisefactor[1][i][0]+noisefactor[3][i][0]);//or should we use MIN???
|
||||
dctblock[3][i][0] *= 0.5f*(noisefactor[1][i][0]+noisefactor[3][i][0]);//or should we use MIN???
|
||||
}
|
||||
}
|
||||
|
||||
for (int ey=0; ey<2; ey++) // (ex,ey) specify RGGB subarray
|
||||
for (int ex=0; ex<2; ex++) {
|
||||
ddct8x8s(1, dctblock[2*ey+ex]); //inverse DCT
|
||||
//multiply by window fn and add to output (cfadn)
|
||||
for (int i=0; i<8; i++)
|
||||
for (int j=0; j<8; j++) {
|
||||
cfadn[(rr+2*i+ey)*TS+cc+2*j+ex] += window[i]*window[j]*dctblock[2*ey+ex][i][j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
// copy smoothed results to temporary buffer
|
||||
for (int rr=16; rr < numrows-16; rr++) {
|
||||
int row = rr + top;
|
||||
for (int col=16+left, indx=rr*TS+16; indx < rr*TS+numcols-16; indx++, col++) {
|
||||
if (rawData[row][col]<clip_pt && cfadn[indx]<clip_pt)
|
||||
RawDataTmp[row*width+col] = CLIP((int)(cfadn[indx]+ 0.5f));
|
||||
}
|
||||
}
|
||||
if(plistener) {
|
||||
progress+=(double)((TS-32)*(TS-32))/(height*width);
|
||||
if (progress>1.0)
|
||||
{
|
||||
progress=1.0;
|
||||
}
|
||||
plistener->setProgress(progress);
|
||||
}
|
||||
|
||||
}
|
||||
// clean up
|
||||
free(buffer);
|
||||
int bottom = min(top + TS, height);
|
||||
int right = min(left + TS, width);
|
||||
int numrows = bottom - top;
|
||||
int numcols = right - left;
|
||||
int indx1;
|
||||
|
||||
// load CFA data; data should be in linear gamma space, before white balance multipliers are applied
|
||||
for (int rr = top; rr < top + numrows; rr++)
|
||||
for (int cc = left, indx = (rr - top) * TS; cc < left + numcols; cc++, indx++) {
|
||||
cfain[indx] = rawData[rr][cc];
|
||||
}
|
||||
|
||||
//pad the block to a multiple of 16 on both sides
|
||||
|
||||
if (numcols < TS) {
|
||||
indx1 = numcols % 16;
|
||||
|
||||
for (int i = 0; i < (16 - indx1); i++)
|
||||
for (int rr = 0; rr < numrows; rr++) {
|
||||
cfain[(rr)*TS + numcols + i] = cfain[(rr) * TS + numcols - i - 1];
|
||||
}
|
||||
|
||||
numcols += 16 - indx1;
|
||||
}
|
||||
|
||||
if (numrows < TS) {
|
||||
indx1 = numrows % 16;
|
||||
|
||||
for (int i = 0; i < (16 - indx1); i++)
|
||||
for (int cc = 0; cc < numcols; cc++) {
|
||||
cfain[(numrows + i)*TS + cc] = cfain[(numrows - i - 1) * TS + cc];
|
||||
}
|
||||
|
||||
numrows += 16 - indx1;
|
||||
}
|
||||
|
||||
//The cleaning algorithm starts here
|
||||
|
||||
//gaussian blur of CFA data
|
||||
for (int rr = 8; rr < numrows - 8; rr++) {
|
||||
for (int indx = rr * TS; indx < rr * TS + numcols; indx++) {
|
||||
cfablur[indx] = gauss[0] * cfain[indx];
|
||||
|
||||
for (int i = 1; i < 5; i++) {
|
||||
cfablur[indx] += gauss[i] * (cfain[indx - (2 * i) * TS] + cfain[indx + (2 * i) * TS]);
|
||||
}
|
||||
}
|
||||
|
||||
for (int indx = rr * TS + 8; indx < rr * TS + numcols - 8; indx++) {
|
||||
cfadn[indx] = gauss[0] * cfablur[indx];
|
||||
|
||||
for (int i = 1; i < 5; i++) {
|
||||
cfadn[indx] += gauss[i] * (cfablur[indx - 2 * i] + cfablur[indx + 2 * i]);
|
||||
}
|
||||
|
||||
cfadiff[indx] = cfain[indx] - cfadn[indx]; // hipass cfa data
|
||||
}
|
||||
}
|
||||
|
||||
//begin block DCT
|
||||
for (int rr = 8; rr < numrows - 22; rr += 8) // (rr,cc) shift by 8 to overlap blocks
|
||||
for (int cc = 8; cc < numcols - 22; cc += 8) {
|
||||
for (int ey = 0; ey < 2; ey++) // (ex,ey) specify RGGB subarray
|
||||
for (int ex = 0; ex < 2; ex++) {
|
||||
//grab an 8x8 block of a given RGGB channel
|
||||
for (int i = 0; i < 8; i++)
|
||||
for (int j = 0; j < 8; j++) {
|
||||
dctblock[2 * ey + ex][i][j] = cfadiff[(rr + 2 * i + ey) * TS + cc + 2 * j + ex];
|
||||
}
|
||||
|
||||
ddct8x8s(-1, dctblock[2 * ey + ex]); //forward DCT
|
||||
}
|
||||
|
||||
for (int ey = 0; ey < 2; ey++) // (ex,ey) specify RGGB subarray
|
||||
for (int ex = 0; ex < 2; ex++) {
|
||||
linehvar[2 * ey + ex] = linevvar[2 * ey + ex] = 0;
|
||||
|
||||
for (int i = 4; i < 8; i++) {
|
||||
linehvar[2 * ey + ex] += SQR(dctblock[2 * ey + ex][0][i]);
|
||||
linevvar[2 * ey + ex] += SQR(dctblock[2 * ey + ex][i][0]);
|
||||
}
|
||||
|
||||
//Wiener filter for line denoising; roll off low frequencies
|
||||
for (int i = 1; i < 8; i++) {
|
||||
coeffsq = SQR(dctblock[2 * ey + ex][i][0]); //vertical
|
||||
noisefactor[2 * ey + ex][i][0] = coeffsq / (coeffsq + rolloff[i] * noisevar + eps);
|
||||
coeffsq = SQR(dctblock[2 * ey + ex][0][i]); //horizontal
|
||||
noisefactor[2 * ey + ex][i][1] = coeffsq / (coeffsq + rolloff[i] * noisevar + eps);
|
||||
// noisefactor labels are [RGGB subarray][row/col position][0=vert,1=hor]
|
||||
}
|
||||
}
|
||||
|
||||
//horizontal lines
|
||||
if (noisevarm4 > (linehvar[0] + linehvar[1])) { //horizontal lines
|
||||
for (int i = 1; i < 8; i++) {
|
||||
dctblock[0][0][i] *= 0.5f * (noisefactor[0][i][1] + noisefactor[1][i][1]); //or should we use MIN???
|
||||
dctblock[1][0][i] *= 0.5f * (noisefactor[0][i][1] + noisefactor[1][i][1]); //or should we use MIN???
|
||||
}
|
||||
}
|
||||
|
||||
if (noisevarm4 > (linehvar[2] + linehvar[3])) { //horizontal lines
|
||||
for (int i = 1; i < 8; i++) {
|
||||
dctblock[2][0][i] *= 0.5f * (noisefactor[2][i][1] + noisefactor[3][i][1]); //or should we use MIN???
|
||||
dctblock[3][0][i] *= 0.5f * (noisefactor[2][i][1] + noisefactor[3][i][1]); //or should we use MIN???
|
||||
}
|
||||
}
|
||||
|
||||
//vertical lines
|
||||
if (noisevarm4 > (linevvar[0] + linevvar[2])) { //vertical lines
|
||||
for (int i = 1; i < 8; i++) {
|
||||
dctblock[0][i][0] *= 0.5f * (noisefactor[0][i][0] + noisefactor[2][i][0]); //or should we use MIN???
|
||||
dctblock[2][i][0] *= 0.5f * (noisefactor[0][i][0] + noisefactor[2][i][0]); //or should we use MIN???
|
||||
}
|
||||
}
|
||||
|
||||
if (noisevarm4 > (linevvar[1] + linevvar[3])) { //vertical lines
|
||||
for (int i = 1; i < 8; i++) {
|
||||
dctblock[1][i][0] *= 0.5f * (noisefactor[1][i][0] + noisefactor[3][i][0]); //or should we use MIN???
|
||||
dctblock[3][i][0] *= 0.5f * (noisefactor[1][i][0] + noisefactor[3][i][0]); //or should we use MIN???
|
||||
}
|
||||
}
|
||||
|
||||
for (int ey = 0; ey < 2; ey++) // (ex,ey) specify RGGB subarray
|
||||
for (int ex = 0; ex < 2; ex++) {
|
||||
ddct8x8s(1, dctblock[2 * ey + ex]); //inverse DCT
|
||||
|
||||
//multiply by window fn and add to output (cfadn)
|
||||
for (int i = 0; i < 8; i++)
|
||||
for (int j = 0; j < 8; j++) {
|
||||
cfadn[(rr + 2 * i + ey)*TS + cc + 2 * j + ex] += window[i] * window[j] * dctblock[2 * ey + ex][i][j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
// copy smoothed results to temporary buffer
|
||||
for (int rr = 16; rr < numrows - 16; rr++) {
|
||||
int row = rr + top;
|
||||
|
||||
for (int col = 16 + left, indx = rr * TS + 16; indx < rr * TS + numcols - 16; indx++, col++) {
|
||||
if (rawData[row][col] < clip_pt && cfadn[indx] < clip_pt) {
|
||||
RawDataTmp[row * width + col] = CLIP((int)(cfadn[indx] + 0.5f));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(plistener) {
|
||||
progress += (double)((TS - 32) * (TS - 32)) / (height * width);
|
||||
|
||||
if (progress > 1.0) {
|
||||
progress = 1.0;
|
||||
}
|
||||
|
||||
plistener->setProgress(progress);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// clean up
|
||||
free(buffer);
|
||||
|
||||
// copy temporary buffer back to image matrix
|
||||
#pragma omp for
|
||||
for(int i=0;i<height;i++)
|
||||
for(int j=0;j<width;j++)
|
||||
rawData[i][j] = RawDataTmp[i*width+j];
|
||||
#pragma omp for
|
||||
|
||||
} // end of parallel processing
|
||||
for(int i = 0; i < height; i++)
|
||||
for(int j = 0; j < width; j++) {
|
||||
rawData[i][j] = RawDataTmp[i * width + j];
|
||||
}
|
||||
|
||||
free(RawDataTmp);
|
||||
} // end of parallel processing
|
||||
|
||||
free(RawDataTmp);
|
||||
}
|
||||
#undef TS
|
||||
|
||||
@@ -245,7 +272,7 @@ void RawImageSource::CLASS cfa_linedn(float noise)
|
||||
Discrete Cosine Transform Code
|
||||
|
||||
Copyright(C) 1997 Takuya OOURA (email: ooura@mmm.t.u-tokyo.ac.jp).
|
||||
You may use, copy, modify this code for any purpose and
|
||||
You may use, copy, modify this code for any purpose and
|
||||
without fee. You may distribute this ORIGINAL package.
|
||||
*/
|
||||
|
||||
@@ -265,15 +292,15 @@ void RawImageSource::CLASS cfa_linedn(float noise)
|
||||
-------- 8x8 DCT (Discrete Cosine Transform) / Inverse of DCT --------
|
||||
[definition]
|
||||
<case1> Normalized 8x8 IDCT
|
||||
C[k1][k2] = (1/4) * sum_j1=0^7 sum_j2=0^7
|
||||
a[j1][j2] * s[j1] * s[j2] *
|
||||
cos(pi*j1*(k1+1/2)/8) *
|
||||
C[k1][k2] = (1/4) * sum_j1=0^7 sum_j2=0^7
|
||||
a[j1][j2] * s[j1] * s[j2] *
|
||||
cos(pi*j1*(k1+1/2)/8) *
|
||||
cos(pi*j2*(k2+1/2)/8), 0<=k1<8, 0<=k2<8
|
||||
(s[0] = 1/sqrt(2), s[j] = 1, j > 0)
|
||||
<case2> Normalized 8x8 DCT
|
||||
C[k1][k2] = (1/4) * s[k1] * s[k2] * sum_j1=0^7 sum_j2=0^7
|
||||
a[j1][j2] *
|
||||
cos(pi*(j1+1/2)*k1/8) *
|
||||
C[k1][k2] = (1/4) * s[k1] * s[k2] * sum_j1=0^7 sum_j2=0^7
|
||||
a[j1][j2] *
|
||||
cos(pi*(j1+1/2)*k1/8) *
|
||||
cos(pi*(j2+1/2)*k2/8), 0<=k1<8, 0<=k2<8
|
||||
(s[0] = 1/sqrt(2), s[j] = 1, j > 0)
|
||||
[usage]
|
||||
@@ -307,7 +334,7 @@ void RawImageSource::ddct8x8s(int isgn, float a[8][8])
|
||||
int j;
|
||||
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
|
||||
float xr, xi;
|
||||
|
||||
|
||||
if (isgn < 0) {
|
||||
for (j = 0; j <= 7; j++) {
|
||||
x0r = a[0][j] + a[7][j];
|
||||
@@ -337,6 +364,7 @@ void RawImageSource::ddct8x8s(int isgn, float a[8][8])
|
||||
a[3][j] = C8_3R * x3r - C8_3I * x3i;
|
||||
a[5][j] = C8_3R * x3i + C8_3I * x3r;
|
||||
}
|
||||
|
||||
for (j = 0; j <= 7; j++) {
|
||||
x0r = a[j][0] + a[j][7];
|
||||
x1r = a[j][0] - a[j][7];
|
||||
@@ -394,6 +422,7 @@ void RawImageSource::ddct8x8s(int isgn, float a[8][8])
|
||||
a[6][j] = x2i - x3r;
|
||||
a[1][j] = x2i + x3r;
|
||||
}
|
||||
|
||||
for (j = 0; j <= 7; j++) {
|
||||
x1r = C8_1R * a[j][1] + C8_1I * a[j][7];
|
||||
x1i = C8_1R * a[j][7] - C8_1I * a[j][1];
|
||||
|
Reference in New Issue
Block a user