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基于一种新小波变换的OCT图像去噪方法

朱英俊 杨勇 郑兴华 张雯

计算机工程与应用2012,Vol.48Issue(34):195-198,4.
计算机工程与应用2012,Vol.48Issue(34):195-198,4.DOI:10.3778/j.issn.1002-8331.1105-0130

基于一种新小波变换的OCT图像去噪方法

Denoising method for OCT image based on combination of wavelet tranform with wiener filtering

朱英俊 1杨勇 2郑兴华 1张雯1

作者信息

  • 1. 杭州电子科技大学自动化学院,杭州310018
  • 2. 杭州电子科技大学生命信息与仪器工程学院,杭州310018
  • 折叠

摘要

Abstract

Speckle phenomenon is both as an information carrier and as noise resource in OCT image. According to this characteristics, a new image denoising method is presented by combining wavelet transform and wiener filter in this paper. OCT image is decomposed to four frequency sub-band images by wavelet tranform, among the different-band images, the three hight frequency sub-band images are denoised by Wiener filter, while keeps the low frequency image without any change, the three hight frequency detail images with Wiener filter and low frequency image are composed. The experimental results show this method is effective.

关键词

光学相干层析成像图像去噪/小波变换/维纳滤波

Key words

Optical Coherence Tomogrphy(OCT) images denoising/ wavalet transform/ Wiener filtering

分类

信息技术与安全科学

引用本文复制引用

朱英俊,杨勇,郑兴华,张雯..基于一种新小波变换的OCT图像去噪方法[J].计算机工程与应用,2012,48(34):195-198,4.

基金项目

国家自然科学基金资助项目(No.30770685). (No.30770685)

计算机工程与应用

OACSCDCSTPCD

1002-8331

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