liz/rawTherapee
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed RL deconvolution problem with negative lightness channel

Browse Source 
see issue 868
This commit is contained in:
Oliver Duis
2011-07-31 22:53:40 +02:00
parent 9992bac727
commit 2d5b96a880
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
rtengine/ipsharpen.cc
View File

@@ -39,19 +39,19 @@ namespace rtengine {
extern Settings* settings; extern Settings* settings;
void ImProcFunctions::dcdamping (float** aI, float** aO, float damping, int W, int H) { void ImProcFunctions::dcdamping (float** aI, float** aO, float damping, int W, int H) {
const float dampingFac=2.0/(damping*damping);
#ifdef _OPENMP #ifdef _OPENMP
#pragma omp for #pragma omp for
#endif #endif
for (int i=0; i<H; i++) for (int i=0; i<H; i++)
for (int j=0; j<W; j++) { for (int j=0; j<W; j++) {
float I = aI[i][j]; float I = aI[i][j];
float O = (float)aO[i][j]; float O = aO[i][j];
if (O==0.0 || I==0.0) { if (O<=0.0 || I<=0.0) {
aI[i][j] = 0.0; aI[i][j] = 0.0;
continue; continue;
} }
float U = -(O * log(I/O) - I + O) * 2.0 / (damping*damping); float U = -(O * log(I/O) - I + O) * dampingFac;
U = MIN(U,1.0); U = MIN(U,1.0);
U = U*U*U*U*(5.0-U*4.0); U = U*U*U*U*(5.0-U*4.0);
aI[i][j] = (O - I) / I * U + 1.0; aI[i][j] = (O - I) / I * U + 1.0;