Re: [darktable-dev] Grayscale

2016-08-11 Thread johannes hanika
here you go. i ran it against their matlab implementation using octave, the output seemed to match. let me know how you go with it or if you need any help deciphering it! you may need to clean up the makefile, i was also compiling another test case in this directory. -jo On Thu, Aug 11, 2016 at

Re: [darktable-dev] Grayscale

2016-08-11 Thread johannes hanika
heya, if you have any show-off result images, i'd be interested.. also, if you need laplacian pyramid code, i think i have a working implementation of a local laplacian now (it's monochrome though). cheers, jo On Wed, Aug 10, 2016 at 10:50 PM, Wolfgang Mader wrote: > I finally have something

Re: [darktable-dev] Grayscale

2016-08-10 Thread Wolfgang Mader
I finally have something to show. You can grab the code under https://github.com/wmader/darktable the branch in called color2gray. The iop is designed to work with multiple operators. Right now, there are two implemented. The first "lightness" simple keeps L and sets a = b = 0. The second one i

Re: [darktable-dev] Grayscale, Was: Contribution

2016-07-01 Thread Wolfgang Mader
Hi, thanks for asking. I defensed my Ph.D. theses last week and overestimated the free time I would have while preparing the defense. Therefore, I will only find time for darktable starting with the coming week. However, I come back to the list once there are results such that I do not have mak

Re: [darktable-dev] Grayscale, Was: Contribution

2016-06-30 Thread Moritz Moeller
Hey Wolfang, On 09/05/16 11:46, Wolfgang Mader wrote: Thanks for the literature. I will have a look at is at soon as possible, and will come back to you, once there is something do discuss. I'll have some B&W images to develop soon. Anything I could test already? :) .mm _

Re: [darktable-dev] Grayscale, Was: Contribution

2016-05-09 Thread Wolfgang Mader
On Monday, May 9, 2016 11:44:10 AM CEST Moritz Moeller wrote: > On 08/05/16 15:10, Wolfgang Mader wrote: > > On Friday, May 6, 2016 11:03:18 PM CEST Moritz Mœller wrote: > >> What is missing is porting one of the contemporary black and white > >> conversion plugins to be available in DT. > >> > >>

Re: [darktable-dev] Grayscale, Was: Contribution

2016-05-09 Thread Moritz Moeller
On 08/05/16 15:10, Wolfgang Mader wrote: On Friday, May 6, 2016 11:03:18 PM CEST Moritz Mœller wrote: What is missing is porting one of the contemporary black and white conversion plugins to be available in DT. The monochromes module is just very ... traditional. Some of the recent papers have