Images that have been noticeably sharpened to excess, creating a white outline. Also known as halo artifacts. 

May be employed artistically as a form of [[distortion]].

* !asset #22887030: No artifacts
* !asset #22886910: Artifacts

h5. External Links
* "Wikipedia: Ringing Artifacts":[https://en.wikipedia.org/wiki/Ringing_artifacts]
ringing artifacts