Radiographic imaging apparatus and methods for operating such ap

Details Radiographic imaging apparatus and methods for operating such ap Radiographic imaging apparatus and methods for operating such ap

1981-12-30

1986-09-09

Krass, Errol A.

Boots, shoes, and leggings

250363R, 250369, 364571, 378901, G06F 1542, G01T 120

Patent

active

046112839

ABSTRACT:
Radiographic imaging apparatus and methods for operating such apparatus, such apparatus being adapted to provide energy aberration correction, nonlinearity correction, and uniformity correction. The apparatus includes an energy filter which accepts or rejects a detected event for further processing and imaging. An accepted event has position data corrected for linearity by a linearity corrector. The linearity corrected position data is used if, and only if, certain uniformity criteria are complied with as determined by a uniformity correction process. The uniformity corrector operates concurrently with the linearity corrector by responding to nonlinearity corrected position data of events accepted by the energy filter.

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"Correction for Field Nonuniformity in Scintillation Cameras Through Removal of Distortions" Muehllehner, Colsher and Stoub.
The Journal of Nuclear Medicine, vol. 21, No. 8, pp. 771-776.
"Improvements in Anger Camera Performance" The Journal of Nuclear Medicine, vol. 21, No. 8, pp. 801, 802.

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