Method and arrangement for compensating motion artifacts in comp

Details Method and arrangement for compensating motion artifacts in comp Method and arrangement for compensating motion artifacts in comp

1977-10-05

1979-03-13

Wise, Edward J.

Boots, shoes, and leggings

250445T, G01N 2300

Patent

active

041445694

ABSTRACT:
Artifacts may be produced when a body moves relative to a CT scanner during measurement. Such artifacts are avoided by shifting the measuring values relative to their coordinates as though they were obtained from a non-moving body. The weighted-mean point is determined for each series of measuring values for each specific orientation of the measuring beams. The distance to a point of the image plane is subsequently determined for all weighted-mean lines which pass through said weighted-mean point perpendicular to the measuring coordinates. Next, the measuring values are then shifted or processed in a shifted manner in conformity with said distance.

REFERENCES:
patent: 3778614 (1973-12-01), Hounsfield
patent: 3961186 (1976-06-01), Leunbach
patent: 3971948 (1976-07-01), Pfeiler et al.
patent: 4002911 (1977-01-01), Hounsfield
patent: 4010371 (1977-03-01), LeMay
patent: 4063074 (1977-12-01), Wagner
patent: 4066903 (1978-01-01), LeMay
patent: 4070707 (1978-01-01), Barber

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