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artefact
(redirected from artifactual)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
artefact /ar·te·fact/ (ahr´tĕ-fakt″) artifact.
ar·te·fact (ärt-fkt)
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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Archaeology magazine called it "the first comprehensive, scholarly look at the artifactual evidence of real pirates, recovered at both shipwrecks and known pirate bases.
THE STORY OF R by The Santa Fe New Mexican (Santa Fe, NM)
The key to being able to differentiate malignant disease from artifactual uptake within the bowel often lies in pattern recognition and the ability to triangulate FDG uptake to normal- or abnormal-appearing bowel on CT.
PET/CT in the evaluation of colorectal carcinoma by Moadel, Renee M.; Feng, Janine; Freeman, Leonard M. / Applied Radiology
Separate sections on artifactual, agricultural, and dietary evidence are provided.
Excavations at Dryslwyn Castle, 1980-95 by Reference & Research Book News
 
 
 
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