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billr55829350
Inspiring
May 26, 2023
질문

Any way to repair badly de-interlaced footage

  • May 26, 2023
  • 3 답변들
  • 1269 조회

I've been provided source footage that I believe started out as PAL, but was given to me in HD resolution (1920x1080).  It looks like it was incorrectly de-interlaced, as it has blocky horizontal lines throughout, making it unusable in its current form.
Is there a way to correct this issue?  I'm attaching a sample of one frame.
Things I've tried:
- Interpret footage as interlaced, either upper or lower field first (I know this is a silly thing to do, as it's not interlaced, but it did help marginally)
- Apply the [obsolete] Antialias effect.  This removes much of the issue, but I lose a lot of detail.

I would appreciate any advice, thanks.

이 주제는 답변이 닫혔습니다.

3 답변

Ann Bens
Community Expert
Ann BensCommunity Expert
Community Expert
May 27, 2023

Not much you can do as It's backed in.

As suggested, neat video or topaz.

Rag and Bone
Community Expert
Rag and BoneCommunity Expert
Community Expert
May 27, 2023

You could also try Neat Video.

Or Topaz Video AI

They both offer demos. My experience with Topaz is that produces good results on some, but not all, files. But, it's expensive and very slow, at least on my 2020 iMac (3.6 GHz 10-Core Intel Core i9,  Radeon Pro 5700 XT 16 GB)

Kevin-Monahan
Community Manager
Kevin-MonahanCommunity Manager
Community Manager
May 27, 2023

Hi Bill,

Thanks for the message. I read about your problem. It seems a bit strange because PAL is progressive whether it is in SD or HD, not interlaced. It is usually 25fps. What are the specs on this current file? Can you check out the footage properties? Is the footage SD and was up-scaled to HD? If so, you may want to try to import the footage into After Effects and use the "Detail-preserving Upscale effect" function there and check out the results. https://helpx.adobe.com/after-effects/using/detail-preserving-upscale-effect.html I hope the advice helps. Let us know!

 

Thanks,
Kevin

Kevin Monahan - Sr. Community & Engagement Strategist – Pro Video and Audio
R
Community Expert
Richard M KnightCommunity Expert
Community Expert
May 27, 2023

As I understand it , certainly in the UK, Pal is always interlaced either in SD or HD. 25fps 50 fields.

    Ann Bens
    Community Expert
    Ann BensCommunity Expert
    Community Expert
    May 27, 2023

    Forgive my misunderstanding. I was under the wrong impression. I thought it was always progressive. I guess not!

     

    Thanks,
    Kevin


    So was I, the file has already been de-interlaced.

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