Artifact: Difference between revisions

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An '''artifact''' is a noticeable difference between an uncomressed signal and a [[lossy|lossily]]-compressed copy.
An '''artifact''' is a noticeable difference between an uncompressed signal and a [[lossy|lossily]]-compressed copy.
[[Lossy]] encoding can result in very different kind of artifacts/distortions. Sometimes it's not easy to define why the encoding is non-transparent. There are however many typical encoding artifacts.
[[Lossy]] encoding can result in very different kind of artifacts/distortions. Sometimes it's not easy to define why the encoding is non-transparent. There are however many typical encoding artifacts.



Revision as of 19:36, 27 March 2005

An artifact is a noticeable difference between an uncompressed signal and a lossily-compressed copy. Lossy encoding can result in very different kind of artifacts/distortions. Sometimes it's not easy to define why the encoding is non-transparent. There are however many typical encoding artifacts.

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