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Optimized multi-pinhole collimator for dual-purpose clinical and preclinical imaging
Seng Peng MOK
Rights HolderUniversity of Macau
Date Available2016-08-30
CountryUnited States

A multi-pinhole collimator is formed by calculating a projection size (D) for different pinhole numbers (n) for a predetermined field-of-view (FOV) (d) by arranging a plurality of projections into a pattern. A pattern is selected which utilizes a whole detector with maximized packing density, minimum truncation to provide a projection overlap below a predetermined limit. The number of pinholes is modified to calculate a collimator length, a corresponding acceptance angle and aperture size. Sensitivities for individual pinholes are added to obtain a total sensitivity for a given pinhole number, and an optimized multi-pinhole configuration is obtained by maximizing the total sensitivity for a predetermined target resolution (Rt) and field-of-view (FOV) (d).

Application Date2013-10-18
Patent NumberUS9431140B2
Application NumberUS14057229
Open (Notice) NumberUS20150108374A1
Fulltext Access
Document TypePatent
AffiliationUniversity of Macau
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Seng Peng MOK. Optimized multi-pinhole collimator for dual-purpose clinical and preclinical imaging. US9431140B2.
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