11-30-2010, 09:01 PM
[quote name='Tiz' timestamp='1291150075' post='4613']
I do not know the original motif. But is this also moire? (The structure of the bricks seems strange to me.)
[/quote]
This is, most likely, a demosaicing effect. At some point there's simply no information left so the the pattern dissolves to something more chaotic. This is sort of related to the AA-less processing but a AAed sensor would just produce blur here - so there's a choice between "some kind of pattern" and "blur" here.
Here's a bad moiree:
[url="http://en.wikipedia.org/wiki/File:Moire_on_parrot_feathers.jpg"]http://en.wikipedia.org/wiki/File:Moire_on_parrot_feathers.jpg[/url]
I do not know the original motif. But is this also moire? (The structure of the bricks seems strange to me.)
[/quote]
This is, most likely, a demosaicing effect. At some point there's simply no information left so the the pattern dissolves to something more chaotic. This is sort of related to the AA-less processing but a AAed sensor would just produce blur here - so there's a choice between "some kind of pattern" and "blur" here.
Here's a bad moiree:
[url="http://en.wikipedia.org/wiki/File:Moire_on_parrot_feathers.jpg"]http://en.wikipedia.org/wiki/File:Moire_on_parrot_feathers.jpg[/url]