Edge Artifacts (Called Halo?)

feisty2 · 29th November 2012, 10:04

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/

sneaker_ger · 29th November 2012, 10:12

Post a sample of the source.

feisty2 · 29th November 2012, 10:30

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

Selur · 29th November 2012, 11:15

ringing <> halos are normally a sign of over-sharpening,... see: https://en.wikipedia.org/wiki/Ringing_artifacts

feisty2 · 29th November 2012, 11:25

Quote:

Originally Posted by Selur

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?

feisty2 · 29th November 2012, 11:34

2 more pictures of this artifacts

Is this produced by sharpening?
can I use a dehalo script to fix this problem?

Guest · 29th November 2012, 14:58

Quote:

the clip is originally sd (upscaled,not by me)

Quote:

How was this produced?

Closing thread for rule 6. Clarify in PM to me if you think this is closed in error.

http://forum.doom9.org/forum-rules.htm

29th November 2012, 10:04	#1 \| Link
feisty2 I'm Siri Join Date: Oct 2012 Location: void Posts: 2,633	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.

29th November 2012, 10:30	#3 \| Link
feisty2 I'm Siri Join Date: Oct 2012 Location: void Posts: 2,633	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.

29th November 2012, 11:15	#4 \| Link
Selur Registered User Join Date: Oct 2001 Location: Germany Posts: 7,277	ringing <> halos are normally a sign of over-sharpening,... see: https://en.wikipedia.org/wiki/Ringing_artifacts __________________ Hybrid here in the forum, homepage

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29th November 2012, 10:12	#2 \| Link
sneaker_ger Registered User Join Date: Dec 2002 Posts: 5,565	Post a sample of the source.

29th November 2012, 11:34	#6 \| Link
feisty2 I'm Siri Join Date: Oct 2012 Location: void Posts: 2,633	2 more pictures of this artifacts Is this produced by sharpening? can I use a dehalo script to fix this problem?