[opendtv] Re: All colors of rainbow in new display concept

At 11:04 PM -0400 8/21/06, Olivier Houot wrote:
As for the MPEG encoding, that might not be such a big trouble : if you consider that points close
to one another will likely be of a similar colour, except on a transition from one object to the
next, anf if the colour is varied by applying different analog potential to a flexible element,
then the driving signal will be an analog signal with a reasonable degree of continuity, except in
some places. Why couldn't that be encoded just like present day luminance or chrominance ?
Plus, there would be only one signal instead of three components. I expect that would compress just
as well.

The problem with MPEG is that it has a hard time with colors that are "close to one another."

These are the first bits of information to be discarded when quantization is applied to the coefficients. That is, if you want to gain any coding efficiency. You can run MPEG without quantizing the coefficients, but you won't get much compression efficiency.

Regards
Craig

P.S. Wavelets would probably do a better job with an expanded color gamut due to the basis function that is used.


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