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

[Rob Koenen]

> measurement", but I don't know if they can manage MPEG-4 Visual :

In theory, such tool model the human visual system and are therefore
agnostic to the coding system used.
In practice, all these systems have been tried, tested and optimized
with - and thus to some extent tuned to - existing coding schemes. 
Rob
ps: Disclaimers about where to successfully use such tools still apply.
> -----Original Message-----
> From: Olivier Amato [mailto:oamato   wanadoo.fr] 
> Sent: Thursday, November 28, 2023 2:22
> To: Alisson Vasconcelos de Brito / Pos. COPIN
> Cc: technotes   lists.m4if.org
> Subject: Re: [M4IF Technotes] Mp4 file's quality measurement. (fwd)
> 
> 
> > 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
> 
> 
> 
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