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Re: [Bino-list] green-magenta


From: Alexey Osipov
Subject: Re: [Bino-list] green-magenta
Date: Mon, 14 Feb 2011 12:25:53 +0600

В Вск, 13/02/2011 в 22:03 +0100, Martin Lambers пишет:
> Hi Alexey!
> 
> On 13/02/11 16:22, Alexey Osipov wrote:
> > Maybe it will be even better, if user could adjust anaglyph filter
> > colours by himself. Perhaps with some calibration method like already
> > implemented crosstalk ghost busting.
> 
> Do you think this is worth the trouble? A user would have to tweak two
> 3x3 matrices (18 floating point values). This might work to produce an
> anaglyph from a single stereo image, but for a whole video? Different
> values would be optimal for each different scene.

18 values is too many indeed. What about entering 6 values (RGB for left
eye filter and RGB for right eye filter) and calculating other values
from there? Perhaps with some predefined other constants.

Why do you think it will not work for movie? Red-cyan anaglyph matrices
are constant during all movie, aren't they? Why we can't calculate such
a matrices but for different user-supplied colours?

Maybe not for all different colours, but ability to slightly tweak
filter colours for red-cyan or green-magenta would be helpful. I have
not so good quality red-cyan glasses, which red filter are kind of weak
and I can see a ghost of other eye image through it.

Alexey.





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