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Jaggies: A term used to describe the stair-stepped appearance of curved or angled lines in digital images.

JPEG Compression(Jay-peg): An acronym for Joint Photographic Experts Group, JPEG is a compression technique for color images. Known as a "lossy" compression technique, JPEG compression discards some data to make file sizes smaller. This can result in artifacts in the final digital image. (See: Artifacts)



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