Resolution Characteristics Of Tomographic Rotating Collimator Systems

Kenneth Lloyd Rider; Stephen Rudin; Hiram E. Hart

doi:10.1109/TBME.1972.324116

Resolution Characteristics Of Tomographic Rotating Collimator Systems

Kenneth Lloyd Rider
, Stephen Rudin
, Hiram E. Hart

Radiology

City University of New York

Research output: Contribution to journal › Article › peer-review

Abstract

A brief description of the standard rotating tomographic collimator and a new magnifying tomographic collimator is given. The geometry of the apparatus is quantitatively described and the modulation transfer characteristics for the standard apparatus and for various configurations of the proposed system using various source frequencies and planar depths are calculated. The smearing function for a line source is also calculated. It is shown that planar depth resolution can be improved at the expense of decreasing geometric efficiency. The advantages of using a magnifying collimator in the tomographic scheme are discussed.

Original language	English
Pages (from-to)	186-193
Number of pages	8
Journal	IEEE Transactions on Biomedical Engineering
Volume	BME-19
Issue number	3
DOIs	https://doi.org/10.1109/TBME.1972.324116
State	Published - May 1972

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10.1109/TBME.1972.324116

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abstract = "A brief description of the standard rotating tomographic collimator and a new magnifying tomographic collimator is given. The geometry of the apparatus is quantitatively described and the modulation transfer characteristics for the standard apparatus and for various configurations of the proposed system using various source frequencies and planar depths are calculated. The smearing function for a line source is also calculated. It is shown that planar depth resolution can be improved at the expense of decreasing geometric efficiency. The advantages of using a magnifying collimator in the tomographic scheme are discussed.",

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AB - A brief description of the standard rotating tomographic collimator and a new magnifying tomographic collimator is given. The geometry of the apparatus is quantitatively described and the modulation transfer characteristics for the standard apparatus and for various configurations of the proposed system using various source frequencies and planar depths are calculated. The smearing function for a line source is also calculated. It is shown that planar depth resolution can be improved at the expense of decreasing geometric efficiency. The advantages of using a magnifying collimator in the tomographic scheme are discussed.

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Resolution Characteristics Of Tomographic Rotating Collimator Systems

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