[mythtv-users] How well does commercial detection work?
Dan Christensen
jdc at uwo.ca
Mon Apr 4 03:05:46 UTC 2005
Chris Pinkham <cpinkham at bc2va.org> writes:
>> BTW, any insight on the narrow filter? I looked through the filters
>> listed on mythtv.org but didn't see one resembling that.
>
> Might work, haven't messed with filters much. If anyone wants to point
> me to some code or code it themeselves, we can try it.
I'm *far* from an expert on this sort of thing, but all I was thinking
of was using the average of each 3x3 (or larger?) block of pixels when
computing the max and min brightness for the frame. This is crude,
but I think just about any non-blank frame should have brightness
variations on a length scale longer than this.
Dan
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