[mythtv] Commercial Flagging Idea

[Ant Daniel]

On 7/6/05, Anil Gupte <anil-list at icinema.com> wrote:
> I believe I have seen subtitles (or they might be close captioning) in
> commercials as well.
> 
> Anil Gupte
> 
> ----- Original Message -----
> From: "-> Fritz" <fritzed at gmail.com>
> To: "Development of mythtv" <mythtv-dev at mythtv.org>
> Sent: Wednesday, July 06, 2005 1:42 PM
> Subject: Re: [mythtv] Commercial Flagging Idea
> 
> 
> > I have recently done a complete restructure of the commercial flagging
> > code. You can now easily add a new commercial dection method "plugin".
> > (look at CommDetectorBase). Currently we have one method, which is
> > Classic, which Chris wrote almost everything of. I made this change to
> > more easily do work on the commercial detection, but as of today none of
> > my work is far enough to start testing it. Good scene change detection
> > is holding me, (and the current implementations accuracy for that
> > matter) back.
> 
> Forgive me if this has been suggested before, but what about detecting
> subtitles?  Almost every show has subtitles but they are missing from
> most commercials.  Mixed with scene change detection it seems that
> checking for subtitles could be a very reliable way of telling what
> was worth watching.  Assuming of course that your box records
> subtitles correctly.
> 
> -> Fritz
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Commercials having subtitles shouldn't be a problem.

You can do a text search (or hash the text) and determine that it's a
commercial (once a commercial has been previously identified) would
require people to identify commercials and the system 'learn' or to
download previously identified commercial text.

Ant.