artefact /ar·te·fact/ (ahr´tĕ-fakt″) artifact.
artefact.
artifact [ahr´tĭ-fakt]
ar·te·fact (är t -f kt )n. Variant of artifact. |
artefact.
See artifact.
artifact [ahr´tĭ-fakt]
1. any artificial product; a structure or appearance that is not natural, but is due to manipulation.
2. distortion or fuzziness of an image caused by manipulation, such as during compression of a digital file.
film artifact artificial images on x-ray films due to storage, handling, or processing.
phantom artifact artificial images seen with conventional tomography.
standardization artifact an electrical stimulus of 1 mV deliberately introduced into the electrocardiogram so that pulse amplitudes on the tracing can be adjusted to 10 mm. The amplitudes of the P, QRS, and T intervals can be accurately evaluated only on an electrocardiogram thus standardized.
artefact
artifact
artefact
Anything made or introduced artificially which misleads the results of an investigation, image or test. Example: in visual evoked cortical potentials, any wave that has its origin elsewhere than in the visual area.
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