[vdr] Re: Commerial Filter?

[René Bartsch <rene@bartschnet.de>]

----- Original Message ----- 
From: "Guido Fiala" <gfiala@s.netic.de>
To: <vdr@linuxtv.org>
Sent: Monday, February 25, 2002 6:51 PM
Subject: [vdr] Re: Commerial Filter?


> On Monday, 25. February 2002 09:38, you wrote:
> > Hello!
> >
> > Am Montag, 25. Februar 2002 05:43 schrieb Marco:
> > > Oh, sounds greate. Is there a tool / patch who detect commerial brakes?
> >
> > This could be possible by merging motion (http://motion.technolust.cx/)
> > with VDR.
> 
> Better do not invent something like this, otherwise we will get more and more 
> logo's and overlaid commercials into the movies.
> 
> But there are some legitimations not to watch certain commercials:
> 
> -you are not the supposed customer
> -you did already watch it (the most important one ;-)
> -you did already buy their product
> 
> That idea can be implemented using frame-fingerprints in a library at your 
> computer (i mentioned that idea before), any commercial you already watched 
> and cut out by manual editing automagically get's in the library.
> 
> Later recordings are scanned _during_ recording to throw away those frames 
> and safe precious disk space.
> 
> Someone with good knowledge of the MPEG2 format could extract some 
> DCT-coefficients at some places in the frame directly and test if that idea 
> is usable and has a sharp enough detection.
> 
> Simple cut out the same commercial from 2 different broadcasts and extract 
> the values, compare them. If they have only slightly differences or are 
> identical it can be done!
> 
> It would use so little cpu-cycles that it can be done (optionally) in 
> realtime as well or just create the marks.vdr file if you don't trust it ;-)
> 
> The disadvantage is of course, that you have to "view" each commercial at 
> least once.
> 
> The advantage is, that it would'nt drive the broadcasters crazy, IMHO.
> 
> 

It will!!! Examinations showed that a customer has to view a commercial about six times to wake his consuming behaviour ...

Rene