线对体模数字图像中的混叠效应。
Aliasing effects in digital images of line-pair phantoms.
作者信息
Albert Michael, Beideck Daniel J, Bakic Predrag R, Maidment Andrew D A
机构信息
Department of Radiology, Thomas Jefferson University, Philadelphia, Pennsylvania 19107-5563, USA.
出版信息
Med Phys. 2002 Aug;29(8):1716-8. doi: 10.1118/1.1493212.
PMID:12201418
Abstract
Line-pair phantoms are commonly used for evaluating screen-film systems. When imaged digitally, aliasing effects give rise to additional periodic patterns. This paper examines one such effect that medical physicists are likely to encounter, and which can be used as an indicator of super-resolution.
摘要
线对体模通常用于评估屏-片系统。当进行数字成像时，混叠效应会产生额外的周期性图案。本文研究了医学物理学家可能会遇到的一种此类效应，它可作为超分辨率的一个指标。
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