Conditioning data for calculation of the modulation transfer function

被引：53
|
作者：
Maidment, ADA [1 ]
Albert, M [1 ]
机构：
[1] Thomas Jefferson Univ, Dept Radiol, Philadelphia, PA 19107 USA
来源：
MEDICAL PHYSICS | 2003年 / 30卷 / 02期
关键词：
MTF; ESF; monotonic; data conditioning; quadratic optimization;
D O I：
10.1118/1.1534111
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
A method for conditioning data used in the measurement of the modulation transfer function (MTF) is discussed. This method is based upon imposing the constraint that the edge spread function (ESF) is monotonic. The advantages of this technique, when applicable, are demonstrated with simulated examples for which the true MTF is known. The application of this technique in the measurement of the MTF of a digital detector in clinical use is also demonstrated. (C) 2003 American Association of Physicists in Medicine.
引用
收藏
页码：248 / 253
页数：6
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