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Old 29th November 2012, 10:04   #1  |  Link
feisty2
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Edge Artifacts (Called Halo?)

Here's 2 pictures


there're obviously some artifacts on the edge,and I don't know how to decribe that
is this called "halo"? or something?
How was this produced?
and how to fix this?
thx
here's the sample
http://howfile.com/file/feisty2/12f80ac7/

Last edited by feisty2; 29th November 2012 at 10:29.
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Old 29th November 2012, 10:12   #2  |  Link
sneaker_ger
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Post a sample of the source.
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Old 29th November 2012, 10:30   #3  |  Link
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I've uploaded a sample,and here's one thing interesting,the clip is originally sd (upscaled,not by me),but looks like hd because of this artifacts, I don't know why

Last edited by feisty2; 29th November 2012 at 10:34.
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Old 29th November 2012, 11:15   #4  |  Link
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ringing <> halos are normally a sign of over-sharpening,... see: https://en.wikipedia.org/wiki/Ringing_artifacts
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Old 29th November 2012, 11:25   #5  |  Link
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Quote:
Originally Posted by Selur View Post
ringing <> halos are normally a sign of over-sharpening,... see: https://en.wikipedia.org/wiki/Ringing_artifacts
so,it's not halo,but what's this artifacts called?
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Old 29th November 2012, 11:34   #6  |  Link
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2 more pictures of this artifacts


Is this produced by sharpening?
can I use a dehalo script to fix this problem?
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Old 29th November 2012, 14:58   #7  |  Link
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Quote:
the clip is originally sd (upscaled,not by me)
Quote:
How was this produced?
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