[vorbis] Papers on Image Compression

Dan Hollis goemon at anime.net
Tue Jan 30 20:50:10 PST 2001



On Wed, 31 Jan 2001, Marco Al wrote:
> From: "Dan Hollis"
> > Has qvix got any redeeming features for low-bitrate video?
> > http://cu30.sourceforge.net/
> Dont ask me, Im an expert at nothing :) But Ill give my opinion anyway...
> As I understand it they directly quantize the residual error frame and huffman
> code the result, if the residual error is practically noise thats as good an
> approach as any... but if you have a lot of new image content appearing then
> transform coding will easily win as always IMO. Ok for conferencing if you need
> low complexity, otherwise not so good.

Well, it would be nice if vorbis could attack all ends of the bitrate
spectrum -- low bitrate videoconferencing as well as high bitrate
professional video. cu30 or elements of it could be used for a
very-low-bitrate vorbis codec?

-Dan

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