[M4IF Technotes] Mp4 file's quality measurement. (fwd)

[Olivier Amato]

> I'd like to know if anybody knows any tool that can be used
> measure an mpeg-4 video file quality (PSNR, for example). I have to
> compare a modified MPEG-4 file with its original. I am working in
> my master course and it's extremely important to me.

Some companies claim to provide "objective video quality measurement", but I
don't know if they can manage MPEG-4 Visual :
- Sarnoff's JNDMetrix ( http://www.jndmetrix.com/ ).
- Genista's Video PQoS (
http://www.genista.co.jp/Products/VideoSolutions.htm ).
Regards,
Olivier