Ideal observer model for detection of blood perfusion and flow using ultrasound

被引：0

作者：

Zemp, RJ ^{[1
]}

Abbey, CK ^{[1
]}

Insana, MF ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Biomed Engn, Davis, CA 95616 USA

来源：

INFORMATION PROCESSING IN MEDICAL IMAGING, PROCEEDINGS | 2003年 / 2732卷

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

An ideal observer model is developed for the task of detecting blood perfusing or flowing through tissue. The ideal observer theory relies on a linear systems model that describes tissue and blood object functions and electronic noise as random processes. When aliasing is minimal, the system is characterized by a quantity similar to Noise-Equivalent Quanta used in photon imaging modalities. A simple 1-D model is used to illustrate the effect of the system and object parameters on task performance. Velocity and decorrelation are seen to be advantageous for detection. Aliasing can degrade performance. The ideal observer model provides a framework for assessing the performance of Power Doppler ultrasound systems, and may aid in their design.

引用

页码：318 / 329

页数：12

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