CAPABILITY EVALUATION OF A SINOGRAM ERROR-DETECTION AND CORRECTION METHOD IN COMPUTED-TOMOGRAPHY

被引：21

作者：

HUANG, SC ^{[1
]}

YU, DC ^{[1
]}

机构：

[1] UNIV CALIF LOS ANGELES,SCH MED,NUCL MED LAB,LOS ANGELES,CA 90024

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1992年 / 39卷 / 04期

基金：

美国国家卫生研究院;

关键词：

D O I：

10.1109/23.159768

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An iterative method for detecting and correcting errors in sinograms is described and its capability evaluated. The method is based on the use of a reconstruction-reprojection procedure to check the consistency of a sinogram. Adjustments of the sinogram are made iteratively to satisfy gradually the consistency requirement. The effectiveness of the method for detecting and correcting errors due to scanner detector problems is demonstrated with computer simulated data and with real data from positron emission tomography. The potential usefulness of the method for quality control of scanners is discussed.

引用

页码：1106 / 1110

页数：5

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