Artefacts definitions

Artefacts

1) Relics, to Brits
Found on https://www.crosswordclues.com/clue/artefacts

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Artefacts

Undesirable elements or defects in a video picture. These most commonly occur after an image has been compressed and re-constituted.
Found on http://www.zoo.co.uk/~z0001325/Glossary.html

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