Optical Flow Artifacts

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Janis Lionel

  • Posts: 317
  • Joined: Mon Apr 04, 2016 8:09 pm

Optical Flow Artifacts

PostThu Oct 19, 2017 3:33 pm

Hi there,

When using optical flow with my raw dngs i get very weird, blinking artefacts in the corners of the frame. anybody else having this issue?

Cheers
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Windows 10 / i4930k @4.3Ghz / 32GB RAM / GTX 1080 / 12TB RAID 0 (4 x 3 TB) / Mini Monitor 4K / Eizo CG247x / Mainly working with CDNG 4:1
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Robert Arnold

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  • Joined: Tue Oct 30, 2012 11:53 pm

Re: Optical Flow Artifacts

PostSat Oct 21, 2017 12:36 am

I've seen a lot of these. The engineer I've been in contact with at BM claims the ones I've seen are inherent to the Optical Flow algorithm, although they are unlike artifacts I've seen in any other program. What I DO know is that I only see them if Motion Estimation Mode is set to Better (under Preferences>Master Settings>Frame interpolation). If I set this to Faster, they go away. I still maintain it's a bug.

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