aliasing

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aliasing

A phenomenon that occurs when digitising less than two samples per period in a periodic function, where the anatomy being imaged by magnetic resonance extends beyond the field of view (FOV). Areas extending beyond the FOV boundaries are aliased back into the image to appear at artefactual locations.

ali·as·ing

(āl'ē-ăs-ing)
Magnetic resonance imaging artifact produced when anatomy outside the field of view is mismapped inside it.
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For media applications quality is an important issue and Ampro's MightySystem has the performance to eliminate scintillation ("jaggies") block noise, double imaging and tearing that reduce the image quality with other systems.
"I was a bag of jaggies for a week before playing Celtic and there were guys on the other side, like Peter Grant and Paul McStay, who felt the same way.
PureVideo on a NVIDIA GeForce 6 Series GPU enables such features as spatial temporal de-interlacing, inverse telecine, and bad edit correction -- all of which eliminate jaggies and blurriness for a sharp picture, even in scenes with a lot of motion.
Partick Thistle fan Billy named his eleven The Jaggies after his local heroes and is hoping some of his success rubs off on the Jags this season.
The Jaggies are at the sharp end as our superb World Cup Dream Team reaches its climax.