Am Sonntag, 15. Oktober 2017, 14:51:47 CEST schrieb Aurélien PIERRE: > Hi, > > this technic aims at solving all kinds of blurs (static and motion > blurs). The most challenging configuration is when the blur is not > uniform along the image. I fear that applying geometric corrections > before deblurring could modify the spatial distribution of the blur in > the corners and lead to some inconsistencies in the solution.
But that's exactly what we want. When dealing with motion then the lens distortion has to be removed to have a uniform blur, otherwise the blur would be curved along the lens distortion. Or am I missing something here? > However, I'm working on a masked implementation which would take only a > relevant portion (512×512 px) of the image as an input for performance > purposes, so at the end, the order of applyance of the modules might not > make a difference. > > *Aurélien PIERRE* > aurelienpierre.com <http://aurelienpierre.com> > > ------------------------------------------------------------------------ > > Le 2017-10-14 à 10:54, Tobias Ellinghaus a écrit : > > Am Donnerstag, 12. Oktober 2017, 22:30:51 CEST schrieb Aurélien PIERRE: > > > > [...] > > > >> I believe that it should be applied right after denoising since this is > >> low-level signal processing. Also a Total Variation and a Wiener filter > >> denoising methods should be added to the modules for better results with > >> the deconvolution (Total Variation is litteraly a gradient computation > >> plus 3 lines of code similar to the Unsharp Mask equation ; I'm not > >> familiar with Wiener filters, althouh they come often in the litterature > >> as a RL pre-processor). > > > > Wouldn't it be better to have it after lens distortion? If it's meant to > > fix camera shake then having lens distortion in the way seems like a bad > > idea.> > >> mit herzlichen Grüße ;-) > >> > > :) > > : > >> *Aurélien PIERRE* > >> aurelienpierre.com <http://aurelienpierre.com> > > > > Tobias > > ___________________________________________________________________________ > darktable developer mailing list > to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org
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