Re: [darktable-devel] Denoise module

2012-12-27 Thread johannes hanika
On Fri, Dec 28, 2012 at 1:17 PM, Christophe Vescovi wrote: > Le 27/12/2012 22:10, johannes hanika a écrit : > >> [..] >>> >>> A strength of 1.5 (even 2) on chroma is not a problem. >>> Denoising on (r+g+b), (r-g), (b-g) with a different strength for the >>> first one could work, and is very simple

Re: [darktable-devel] Denoise module

2012-12-27 Thread Christophe Vescovi
Le 27/12/2012 22:10, johannes hanika a écrit : > [..] >> A strength of 1.5 (even 2) on chroma is not a problem. >> Denoising on (r+g+b), (r-g), (b-g) with a different strength for the >> first one could work, and is very simple. I am still not sure if this >> transformation have to be done before o

Re: [darktable-devel] Denoise module

2012-12-27 Thread johannes hanika
[..] > > A strength of 1.5 (even 2) on chroma is not a problem. > Denoising on (r+g+b), (r-g), (b-g) with a different strength for the > first one could work, and is very simple. I am still not sure if this > transformation have to be done before or after the poisson-gaussian > noise transform (I t

Re: [darktable-devel] Denoise module

2012-12-27 Thread Moritz Moeller
On 27/12/12 8:34 PM, jeremy rosen wrote: > hmm, I like copy/paste to be just that... I personally do a temporary > style for this particular use-case...\ This is a /very/ common use case for me. And I dare making an educated guess that the same is true for many users for an app like DT. I say ed

Re: [darktable-devel] Denoise module

2012-12-27 Thread jeremy rosen
hmm, I like copy/paste to be just that... I personally do a temporary style for this particular use-case... however it's true that styles can only be created from DR mode... maybe be able to create styles from LT mode could solve your problem ? maybe merging the history copying and the style logi

Re: [darktable-devel] Denoise module

2012-12-27 Thread Simon Spannagel
Am 27.12.2012 10:51, schrieb Christophe Vescovi: > By the way, the denoise-profiled module is used on white-balance > corrected images ? Yes. If you deselect grouped modules in darkroom by clicking the currently selected group again, you will get all modules in exactly the order they are applie

Re: [darktable-devel] Denoise module

2012-12-27 Thread Christophe Vescovi
Le 27/12/2012 09:11, Pascal Obry a écrit : > Johannes, > >> i take it back. here's how you would do it: >> >> - switch on the denoising module >> - enable blending, go to `color' mode >> - if you want to denoise luma, too, create another module instance and >> use regular blend mode >> >> not optim

Re: [darktable-devel] Denoise module

2012-12-27 Thread Pascal Obry
Johannes, > i take it back. here's how you would do it: > > - switch on the denoising module > - enable blending, go to `color' mode > - if you want to denoise luma, too, create another module instance and > use regular blend mode > > not optimal and computationally wasteful, but works today.

Re: [darktable-devel] Denoise module

2012-12-26 Thread johannes hanika
On Thu, Dec 27, 2012 at 12:42 PM, johannes hanika wrote: > On Thu, Dec 27, 2012 at 6:19 AM, Pascal Obry wrote: >> >> I have tested the new denoise module a bit more deeply today. I feel >> that there is something wrong with it. >> >> To me the denoise module does too much smoothing of the image a

Re: [darktable-devel] Denoise module

2012-12-26 Thread johannes hanika
On Thu, Dec 27, 2012 at 6:19 AM, Pascal Obry wrote: > > I have tested the new denoise module a bit more deeply today. I feel > that there is something wrong with it. > > To me the denoise module does too much smoothing of the image and we are > loosing lot of details. it's optimizing peak signal

Re: [darktable-devel] Denoise module

2012-12-26 Thread Ger Siemerink
2012/12/26 Pascal Obry : > > I have tested the new denoise module a bit more deeply today. I feel > that there is something wrong with it. > > To me the denoise module does too much smoothing of the image and we are > loosing lot of details. that is what I experienced with my canon eos 60d but can

[darktable-devel] Denoise module

2012-12-26 Thread Pascal Obry
I have tested the new denoise module a bit more deeply today. I feel that there is something wrong with it. To me the denoise module does too much smoothing of the image and we are loosing lot of details. I'm wondering if this is not because it applies on the chromatic and on the luminance noises