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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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This commit is contained in:
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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6
rtengine/procparams.cc
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@@ -101,6 +101,7 @@ void ProcParams::setDefaults () {
dirpyrDenoise.enabled = false;
dirpyrDenoise.luma = 10;
dirpyrDenoise.chroma = 10;
dirpyrDenoise.gamma = 2.0;
sh.enabled = false;
sh.hq = false;
@@ -253,7 +254,8 @@ int ProcParams::save (Glib::ustring fname) const {
keyFile.set_boolean ("Directional Pyramid Denoising", "Enabled", dirpyrDenoise.enabled);
keyFile.set_integer ("Directional Pyramid Denoising", "Luma", dirpyrDenoise.luma);
keyFile.set_integer ("Directional Pyramid Denoising", "Chroma", dirpyrDenoise.chroma);
keyFile.set_double ("Directional Pyramid Denoising", "Gamma", dirpyrDenoise.gamma);
// save lumaDenoise
keyFile.set_boolean ("Luminance Denoising", "Enabled", lumaDenoise.enabled);
keyFile.set_double ("Luminance Denoising", "Radius", lumaDenoise.radius);
@@ -472,6 +474,7 @@ if (keyFile.has_group ("Directional Pyramid Denoising")) {
if (keyFile.has_key ("Directional Pyramid Denoising", "Enabled")) dirpyrDenoise.enabled = keyFile.get_boolean ("Directional Pyramid Denoising", "Enabled");
if (keyFile.has_key ("Directional Pyramid Denoising", "Luma")) dirpyrDenoise.luma = keyFile.get_integer ("Directional Pyramid Denoising", "Luma");
if (keyFile.has_key ("Directional Pyramid Denoising", "Chroma")) dirpyrDenoise.chroma = keyFile.get_integer ("Directional Pyramid Denoising", "Chroma");
if (keyFile.has_key ("Directional Pyramid Denoising", "Gamma")) dirpyrDenoise.gamma = keyFile.get_double ("Directional Pyramid Denoising", "Gamma");
}
// load lumaDenoise
@@ -683,6 +686,7 @@ bool ProcParams::operator== (const ProcParams& other) {
&& dirpyrDenoise.enabled == other.dirpyrDenoise.enabled
&& dirpyrDenoise.luma == other.dirpyrDenoise.luma
&& dirpyrDenoise.chroma == other.dirpyrDenoise.chroma
&& dirpyrDenoise.gamma == other.dirpyrDenoise.gamma
&& lumaDenoise.enabled == other.lumaDenoise.enabled
&& lumaDenoise.radius == other.lumaDenoise.radius
&& lumaDenoise.edgetolerance == other.lumaDenoise.edgetolerance