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[Help] How would you correct this? ('strobing'?)

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[Help] How would you correct this? ('strobing'?)
Serums Offline
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#1
2019-01-17, 08:20 AM (This post was last modified: 2019-01-17, 10:30 AM by Serums.)
Independent to my Police Story 3 correction, I've been asked by offer some input on my friend's reconstruction of 'First Strike'. It's going well, except the video has this kind of 'strobing' (is there a technical term for this?) on and off throughout.

[Image: title-t00-mov-snapshot-00-07-40-2019-01-17-17-04-52.jpg]
[Image: title-t00-mov-snapshot-00-16-35-2019-01-17-17-05-05.jpg]

Is there a program/filter we could use that'll correct this (or at least reduce the effect)? PC or Mac, both are fine.

Any information/help is greatly appreciated  Smile
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#2
2019-01-17, 08:54 AM
That's interlacing. Smile Need to deinterlace.
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Valeyard Offline
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#3
2019-01-17, 10:17 AM
Image have been deleted, please fix.
[Image: sNn6jyF.png] [Image: 0sPZMBH.png] https://valeyardfilmarchives.org/
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MrBrown Offline
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#4
2019-01-17, 10:23 AM
(2019-01-17, 10:17 AM)Valeyard Wrote: Image have been deleted, please fix.
I still can see them both...
"Never cut a deal with a dragon..."
- Old Shadowrun wisdom
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Serums Offline
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#5
2019-01-17, 10:33 AM
The images worked for me, but I've reuploaded them.

Interlacing? It must be pretty heavy for it to be that noticeable. Thanks, everyone! Will keep you all updated about this one, too.
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#6
2019-01-17, 10:37 AM
(2019-01-17, 10:33 AM)Serums Wrote: The images worked for me, but I've reuploaded them.

Interlacing? It must be pretty heavy for it to be that noticeable. Thanks, everyone! Will keep you all updated about this one, too.

Yeah it's from interlacing.
It is the "combing" effect of interlaced material.
If it was captured from an analogue source (LD or VHS) you need to deinterlace the raw capture, before converting, to avoid converting the interlace effects into the video...
"Never cut a deal with a dragon..."
- Old Shadowrun wisdom
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#7
2019-01-17, 10:42 AM
(2019-01-17, 10:33 AM)Serums Wrote: The images worked for me, but I've reuploaded them.

Interlacing? It must be pretty heavy for it to be that noticeable. Thanks, everyone! Will keep you all updated about this one, too.

There is no such thing as "heavy" interlacing. It's either interlaced or it is not. Smile

Fast motion can make it look "heavier". Google/Research Interlacing and you will understand.
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#8
2019-01-17, 12:05 PM
(2019-01-17, 10:42 AM)TomArrow Wrote:
(2019-01-17, 10:33 AM)Serums Wrote: The images worked for me, but I've reuploaded them.

Interlacing? It must be pretty heavy for it to be that noticeable. Thanks, everyone! Will keep you all updated about this one, too.

There is no such thing as "heavy" interlacing. It's either interlaced or it is not. Smile

Fast motion can make it look "heavier". Google/Research Interlacing and you will understand.

Maube 'heavy' was the wrong choice of words, but I'm still learning  Smile
Thanks for that, will do!
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