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

ülevaateid
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)