[XviD-devel] Re: GMC ?

Marco Al xvid-devel@xvid.org
Thu, 8 Aug 2002 14:54:48 +0200


ChristianHJW wrote:

> I was trying to find more about MDCT and admit i am still clueless here,
> especially in respect to DCT ... are there any video codecs based on MDCT or
> is this only an audio related coefficients method ?

MDCT is a lapped transform, which have been used in image and video coders.
Took a quick look and it was even considered for H263+, different windowing
function than MDCT though, but unfortunately never seems to have taken off.
It would have been a nice alternative to deblocking.

Marco