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Post subject: 3D comb filtering really better? Posted: 28 Jun 2014, 03:07 |
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Came across some evidence suggesting 3D comb filters can actually remove details in fast motion scenes (action movies e.g.). Has anyone experienced this (or can prove it better yet)? Always thought 3D comb filtering was better than 2D. Also heard 3d comb filters switch to 2D mode automatically when there is fast motion (automatic stuff kinda irks me). If 3D comb filters only work for static images and cause problems with motion, then I don't see the point of using them on laserdisc. Here's a link from Compro Tech. themselves suggesting 3D comb filtering can blur fast action scenes on one of their capture cards (one that seems highly recommended by most capturing composite sources). http://www.comprousa.com/russian/product/vmtvultra-3dyc.htmlCan sort of confirm this myself. Using a line doubler with 3D y/c separation and it sort of does look like a temporal filter of some sort in high action scenes (without DNR). It still has more resolution to my eyes, vs my 2D 5-line comb filter capture card IMO.
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seroxx
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Post subject: Re: 3D comb filtering really better? Posted: 03 Jul 2014, 20:17 |
Honest fan |
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Joined: 30 Apr 2012, 01:54 Posts: 84 Location: Switzerland Has thanked: 0 time Been thanked: 1 time
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substance wrote: Luma coring: threshold for number if pixels the comb filter should consider noise/no motion. Anything under this setting is considered noise even if not static. Anything above is 3d applied if motion detected.
Did you mean "threshold for number if the comb filter should consider pixels as noise/no motion." ? What do you mean by "number"? Otherwise, thank you for that explanation. Do you have CII? What are your settings there in Comb Filter menue? Thank you, s.
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