2015-11-10 19:21 GMT-02:00 Pascal Obry <[email protected]>:
> Le mardi 10 novembre 2015 à 19:15 -0200, André Felipe Carvalho a
> écrit :
> > After applying the modules that I want, among them the sharpness
> > module, if I want to get rid of the raw noise, the exported jpeg
> > shows bands on the degrades parts of the image (sky, for instance, or
> > dark areas).
> > The exported image without Raw Noise Reduction is about 6.8MB, while
> > the one with noise reduction goes down to 2.8MB. Why's that?
>
> Maybe a too strong noise reduction. This remove details on the picture
> and then can be compressed better.
>
> Have you tried to apply the NR with wavelet only on the color channel?
> This should preserve the details and will probably won't degrades the
> quality that much.
> --
> Pascal Obry / Magny Les Hameaux (78)
>
>
I usually only set 0.002 to 0.004 in raw NR, whereas the default is
0.010.
I will try what you sugested, Pascal.
By "NR with wavelet only on the color channel" you mean that I should
use only the equalizer module, luma channel ? Or something else?
> The best way to travel is by means of imagination
>
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> http://www.obry.net
>
> gpg --keyserver keys.gnupg.net --recv-key F949BD3B
>
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>
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--
André Felipe
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