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Added a "gamma" slider to pyramid NR. Noise reduction is carried out with L channel mapped to that gamma. Default value is 2.0; lower values increase shadow smoothing, higher values smooth highlights more. Unfortunately adjusting this slider interacts with the other two, so all three have to be iteratively adjusted to achieve a desired result.

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Emil Martinec
2010-09-14 12:55:56 -05:00
parent dbea6d601e
commit 8efac28819
12 changed files with 218 additions and 219 deletions
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4
rtengine/improcfun.h
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@@ -95,9 +95,9 @@ class ImProcFunctions {
void impulsedenoise (LabImage* lab);//Emil's impulse denoise
void dirpyrdenoise (LabImage* lab);//Emil's impulse denoise
void dirpyrLab_denoise(LabImage * src, LabImage * dst, const int luma, const int chroma );//Emil's directional pyramid denoise
void dirpyrLab_denoise(LabImage * src, LabImage * dst, const int luma, const int chroma, float gamma );//Emil's directional pyramid denoise
void dirpyr(LabImage* data_fine, LabImage* data_coarse, int level, int * rangefn_L, int * rangefn_ab, int pitch, int scale, const int luma, const int chroma );
void idirpyr(LabImage* data_coarse, LabImage* data_fine, int level, int * irangefn_L, int * irangefn_ab, float * nrwt_l, float * nrwt_ab, int pitch, int scale, const int luma, const int chroma );
void idirpyr(LabImage* data_coarse, LabImage* data_fine, int level, float * nrwt_l, float * nrwt_ab, int pitch, int scale, const int luma, const int chroma );
Image8* lab2rgb (LabImage* lab, int cx, int cy, int cw, int ch, Glib::ustring profile);