olemus
soovimatu kujumuutus,
näiteks andmetes,signaalides, visuaalesituses jm

Wiktionary:
7. (computing) a perceptible distortion that appears in an audio or video file or a digital image as a result of applying a lossy compression algorithm
This JPEG image has been so highly compressed that it has unsightly compression artifacts, making it unsuitable for the cover of our magazine.

https://en.wikipedia.org/wiki/Artifact_(error)

https://en.wikipedia.org/wiki/Compression_artifact

https://en.wikipedia.org/wiki/Compression_artifact

vt ka
- moonutus (1)