[XviD-devel] some bframes ideas

[Marco Al]

From: "Christoph Lampert" <chl at math.uni-bonn.de>

> > A different idea - which I haven't tried yet - is to substract a
> > fraction of a quantization error form coefficients (up to half of
> > maximum error). @ MfA: thanks for this, sounds very reasonble.
>
> Could you test this? I'm not so sure about this one...

The idea is that assuming a laplacian distribution for coefficients then for
optimal reconstruction after mid-tread quantization you simply have to
subtract a constant (depending on lambda, the free parameter of the
laplacian) from the center of the quantization range during dequantization.

Marco