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Forums
4hv.org :: Forums :: Computer Science
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automatically repairing video capture line sync artefacts

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Avi
Tue Mar 05 2013, 04:09AM Print
Avi Registered Member #580 Joined: Mon Mar 12 2007, 03:17PM
Location: Melbourne, Australia
Posts: 410
Does anyone know now i can automatically repair this? (see attachment).
The amount, size, and position is dynamic and on the source, so I can not 'capture it better'.
It should be clever and still work with black objects at the left hand side.
The attachment is deinterlaced but it should work from an interlaced source file too.
I am using Virtualdub so it would be preferable if the solution used that, but not an absolute requirement.

1362456551 580 FT0 Alignment2
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Carbon_Rod
Wed Mar 06 2013, 05:02AM
Carbon_Rod Registered Member #65 Joined: Thu Feb 09 2006, 06:43AM
Location:
Posts: 1155
There are quite a few decombing filters that should be able to handle this type of noise (VHS tracking was similar).
Link2
Link2
Link2

Cheers,

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Avi
Wed Mar 06 2013, 07:46AM
Avi Registered Member #580 Joined: Mon Mar 12 2007, 03:17PM
Location: Melbourne, Australia
Posts: 410
I just tried the IVTC decomb filter, not too sure what its supposed to do, but its not fixing the effect I describe.
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Carbon_Rod
Fri Mar 08 2013, 08:47AM
Carbon_Rod Registered Member #65 Joined: Thu Feb 09 2006, 06:43AM
Location:
Posts: 1155
It takes the interlaced frame tearing from scanned video, and aligns it for digital formats.

There is also TV decoders for video capture cards that could repair corrupt PAL broadcast footage.

Probably harder to find these days since Analog TV was phased out.
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