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Some videos have a weird "after image" of the prev

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Some videos have a weird "after image" of the previous frame, pic related.
https://www.youtube.com/watch?v=l_HqRTYzQ58
I'm going to assume it's some kind of rendering error? It's happened to some of my own videos before too. I feel like an idiot for not knowing what the correct term for it is. does anyone know what it's called and how to prevent it?
>>
it is called ghosting
>>
Interlaced video - Wikipedia
https://en.wikipedia.org/wiki/Interlaced_video
Interlaced video is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth. The interlaced signal contains two fields of a video frame captured at two different times.

you're welcome nigga
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>>326641
No it doesn't, it contains two halfs of *two different frames*.

It's important to understand that interlacing isn't just a perverse way of encoding progressive video. The field rate being twice the frame rate for a given pixelrate means you can represent motion much better, at the cost of resolution.

>>326451
This is called a "blended frame". It's what you get when progressive video is converted to interlaced, then converted back wrong.
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>>326672
I'm not lookin at the video, so I'm speaking at a handicap, but why would someone convert the video, and then re-convert video for a Mega Drive CD. Is it just a shitty PAL converison?
>>
Happens when you resample a video to a different framerate/timing.
https://www.youtube.com/watch?v=7gkS0sQMCV8
>>
>>326693
No, because PAL and NTSC are both interlaced, and by definition cannot have deinterlacing artefacts.

Whoever ripped this fucked it up.
>>
OP here, thanks for helping me out. You guys are cool
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