[theora] NHW Image codec - improvement of precision

[Raphael Canut]

Hello,

Just a quick message, I have improved precision on U and V components, and
so this version is better if it may be of interest.Yes, for now the NHW
codec is just an experimental test tool, that would be optimized for visual
evaluation (more neatness-sharpness) rather than PSNR.

If you could find time to test it, would be really interested in any
feedback (about for example the overall approach, results,...).

Many thanks again,
Raphael


2013/3/25 Raphael Canut <nhwcodec at gmail.com>

> Hello,
>
> Just a very quick message, for those interested, I improved a
> little precision of my codec.This version also has a better compression,
> especially for some images.This version seems a little better.Any comment
> is welcome.
>
> Many thanks,
> Raphael
>
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