Ringing artifacts
id:
ringing-artifacts-236-4301602
title:
Ringing artifacts
text:
In signal processing, particularly digital image processing, ringing artifacts are artifacts that appear as spurious signals near sharp transitions in a signal. Visually, they appear as bands or "ghosts" near edges; audibly, they appear as "echos" near transients, particularly sounds from percussion instruments; most noticeable are the pre-echos. The term "ringing" is because the output signal oscillates at a fading rate around a sharp transition in the input, similar to a bell after being struc
brand slug:
wiki
category slug:
encyclopedia
description:
Form of error in digital signals; spurious signals near sharp transitions
original url:
https://en.wikipedia.org/wiki/Ringing_artifacts
date created:
date modified:
2023-07-22T05:17:57Z
main entity:
{"identifier":"Q7334899","url":"https://www.wikidata.org/entity/Q7334899"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/3b/Ringing_artifact_example.png","width":240,"height":180}
fields total:
13
integrity:
15