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Stripes after rendering

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Harald Kircher
Stripes after rendering
on Jul 10, 2020 at 5:32:24 am

Hi,

after rendering a video has weird stripes in it.

These stripes already are there in the image when I take a screenshot.

In the original clip the stripes are not there. Anyone can help with that? Thanks!



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Francois Pénzes
Re: Stripes after rendering
on Jul 10, 2020 at 4:29:55 pm

Hi Harald

Those lines are scan lines. What we are probably seeing is half a frame. Interlaced video is composed of two half frames to make one. It will first scan the odd lines (1,3,5,7, etc...) and then scan the even ones (2,4,6,8, etc...) in order to get a complete frame. You don't get that with progressive as opposed to interlace. I can also see that the capture of your video has a lot of ''blockyness''. You can see it mostly in the black parts. It's a dead giveaway for compression.

Not knowing what were the specs of the original file and what were the render parameters, that's as much as I can tell you.

Cheers !

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''When the cutting stops, the editing begins...''


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Harald Kircher
Re: Stripes after rendering
on Jul 13, 2020 at 7:02:28 pm

Hey Francois,

played around with the fields in "Properties", using "Upper field first" solved my problem.

Thanks!


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