文章基本信息

标题：Performance Comparison of Speckle Reducing Filters for Ultrasonography (USG) Images of Thyroid Glands
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作者：Ms. Wrushali Mendre ; Dr. R. D. Raut ; Ms. Sayali Malwadkar 等
期刊名称：International Journal of Electronics, Communication and Soft Computing Science and Engineering
印刷版ISSN：2277-9477
出版年度：2015
卷号：4
期号：Special 1
出版社：IJECSCSE
摘要：Ultrasonography(USG) images help physicians toexamine and detect the abnormalities in the thyroid glands liketumor or cysts. These images are often affected by the occurrenceof speckle noise which makes the fine details of the image unclearand degrades the quality of the image obtained. Hence filteringthe speckle noise becomes important in ultrasonography images.It is an essential step in the preprocessing of medicalultrasonography image. There are various techniques used for theremoval of speckle noise. In this paper, a comparison of threetechniques namely Frost filter, spatiotemporal filter and SRADfilter is done based on their performance in reducing the specklenoise from the USG images.Among these, SRAD filter gives betterperformance over the other two methods in terms of meanpreservation, variance reduction and edge localization
关键词：Mean Square Error(MSE); Peak Signal to Noise Ratio;(PSNR); SRAD filter; USG image