中国组织工程研究与临床康复2011，Vol.15Issue(48)：9031-9034,4.DOI:10.3969/j.issn.1673-8225.2011.48.025
基于同态滤波与直方图均衡化的超声图像增强
Ultrasound image enhancement based on homomorphic filter and histogram equalization
刘燕君 1刘奇1
作者信息
- 1. 四川大学电气信息学院医学信息工程系,四川省成都市,610065
- 折叠
摘要
Abstract
BACKGROUND: Homomorphic filter and histogram equalization can enhance the image, but they still have manydisadvantages.OBJECTIVE: To observe the effects of homomorphic filtering and histogram equalization on image enhancement in order toreduce the shortcomings of the two methods individually.METHOS: In frequency domain, firstly, ultrasound images were processed separately by using high pass homomorphic filter andlow pass homomorphic filter. Two filtered images after linear combination were processed with global histogram equalization.Then the final enhancement supersonic images were obtained.RESULTS AND CONCLUTION: The boundary of ultrasound images was very prominent and evident, and the overall visualeffect was more bright and clear. Root mean square error and signal to noise ratio data were obtained by analysis andcomparison, which confirmed the methods of ultrasound image enhancement in this article are very effective.关键词
图像增强/同态滤波/直方图均衡化/高斯滤波器/超声图像/分频处理分类
医药卫生引用本文复制引用
刘燕君,刘奇..基于同态滤波与直方图均衡化的超声图像增强[J].中国组织工程研究与临床康复,2011,15(48):9031-9034,4.
