Re: [Gimp-user] Noise reduction

2011-07-25 Thread Kevin Brubeck Unhammer
Frank Gore writes: > On Thu, Jul 21, 2011 at 5:51 PM, Mikael Ståldal wrote: >> Is there any better noise reduction filter for GIMP than the built in >> Wavelet Denoise? It does remove the noise, but also make the image a bit >> blurry. > > Try the GMIC plugin. There are 2 methods in that plugin

Re: [Gimp-user] Noise reduction

2011-07-22 Thread Frank Gore
On Fri, Jul 22, 2011 at 2:50 PM, Patrick Horgan wrote: > In your camera it's able to do a black shot to get the average noise of > your sensors. That gives it a HUGE advantage. It can just subtract > that from the image. Some of the sensor wells are always more noisy > than others. You can do

Re: [Gimp-user] Noise reduction

2011-07-22 Thread Patrick Horgan
On 07/21/2011 03:14 PM, JPL wrote: > Le 21/07/2011 23:51, Mikael Ståldal a écrit : >> Is there any better noise reduction filter for GIMP than the built in >> Wavelet Denoise? It does remove the noise, but also make the image a bit >> blurry. >> >> Wavelet Denoise in ufraw has the same problem. >>

Re: [Gimp-user] Noise reduction

2011-07-21 Thread Jernej Simončič
On Thu, 21 Jul 2011 23:51:20 +0200, Mikael Ståldal wrote: > Is there any better noise reduction filter for GIMP than the built in > Wavelet Denoise? It does remove the noise, but also make the image a bit > blurry. Try Selective Gaussian Blur - it often gives very good results (just lower the t

Re: [Gimp-user] Noise reduction

2011-07-21 Thread JPL
Le 21/07/2011 23:51, Mikael Ståldal a écrit : > Is there any better noise reduction filter for GIMP than the built in > Wavelet Denoise? It does remove the noise, but also make the image a bit > blurry. > > Wavelet Denoise in ufraw has the same problem. > > I know it is possible to do it better sin

Re: [Gimp-user] Noise reduction

2011-07-21 Thread Frank Gore
On Thu, Jul 21, 2011 at 5:51 PM, Mikael Ståldal wrote: > Is there any better noise reduction filter for GIMP than the built in > Wavelet Denoise? It does remove the noise, but also make the image a bit > blurry. Try the GMIC plugin. There are 2 methods in that plugin that do a great job of noise

Re: [Gimp-user] Noise reduction

2003-09-27 Thread Daniel Rogers
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Steve Crane wrote: | I think that what I'm looking for is some ideas/tutorials on different | techniques that would suit different cases. I don't much care for a | script that is more generic. After all if I wanted the canned approach | I could just u

Re: [Gimp-user] Noise reduction

2003-09-27 Thread Henrik Brix Andersen
On Sat, 2003-09-27 at 12:49, Steve Crane wrote: > I think that what I'm looking for is some ideas/tutorials on different > techniques that would suit different cases. I don't much care for a > script that is more generic. After all if I wanted the canned approach > I could just use Windows and Ph

Re: [Gimp-user] Noise reduction

2003-09-27 Thread Steve Crane
On Fri, Sep 26, 2003 at 05:09:30PM -0700, Daniel Rogers wrote: > It depends on what kind of noise you are looking at. Can you describe the > noise more precisely? Is it "salt and pepper" noise? Gaussian noise? If > you can show an example image I can help you pick a filter. I'm not sure I k

Re: [Gimp-user] Noise reduction

2003-09-26 Thread David Hodson
Steve Crane wrote: > Are there any built-in functions or scripts for the GIMP that can be > used to remove or reduce noise in digital photographs? Try http://members.ozemail.com.au/~hodsond/degrain.html -- David Hodson -- this night wounds time ___ Gi

Re: [Gimp-user] Noise reduction

2003-09-26 Thread Daniel Rogers
Steve Crane wrote: > Hi, > > Are there any built-in functions or scripts for the GIMP that can be > used to remove or reduce noise in digital photographs? Does anyone have > a set of steps to follow to remove noise? There are several stand-alone > programs available for Windows that do this but

Re: [Gimp-user] Noise reduction

2003-09-26 Thread Jakub Steiner
On Fri, 2003-09-26 at 21:31, Steve Crane wrote: > Hi, > > Are there any built-in functions or scripts for the GIMP that can be > used to remove or reduce noise in digital photographs? Does anyone have > a set of steps to follow to remove noise? There are several stand-alone > programs available

Re: [Gimp-user] Noise reduction

2003-09-26 Thread Steve Crane
On Fri, Sep 26, 2003 at 01:16:09PM -0700, Jonathan Bartlett wrote: > Try blurring the R, G, and B channels separately. > > Go into layers->channels, de-select all but one channel, and then run your > blur. Do that on each channel. Thanks. I'll play with that a bit. -- Steve Crane http://craniac

Re: [Gimp-user] Noise reduction

2003-09-26 Thread Jonathan Bartlett
> Are there any built-in functions or scripts for the GIMP that can be > used to remove or reduce noise in digital photographs? Does anyone have > a set of steps to follow to remove noise? There are several stand-alone > programs available for Windows that do this but I haven't found any for > Li