Particular visible effects on images which are a direct result of some technical limitation. Artifacts are generally not described by traditional methods of signal evaluation. For instance, the visual perception of contouring in a picture cannot be described by a signal-to-noise ratio or linearity measurement. In today’s environment, artifact descriptions are typically related to understanding the limitations of various compression technologies.
IABM Glossary of Terms is a fully searchable online glossary of technical terms relating to the Broadcast & Media Industry.