Artifact (error)
Videos
In natural science and signal processing, an artifact or artefact is any error in the perception or representation of any information introduced by the involved equipment or techniques.
Diffraction spikes and the Airy disk are optical artifacts caused by the diffraction of light through the aperture of an optical system.
Digital artifact
Videos
Digital artifact in information science, is any undesired or unintended alteration in data introduced in a digital process by an involved technique and/or technology.
Artifact (error)
…are apparent effects that are introduced inadvertently by methods of data analysis rather than by the process being studied. In computer science, digital artifacts are anomalies introduced into digital signals as a result of digital signal processing. In microscopy, visual artifacts are sometimes introduced during…
A complicated grid pattern is insufficiently processed by a smartphone camera.
A scan of a drawing with large areas of whitespace; the diamond moiré pattern is a scanning artifact.