%0 Journal Article
%T An Image Compression Algorithm for Circle Shaped ROI<br>一种圆形感兴趣区域图像压缩算法
%A HAO Hong-Wei
%A JIANG Rong-Rong
%A SHI Ya-Shan
%A <br>郝红卫
%A 蒋蓉蓉
%A 石雅姗
%J 自动化学报
%D 2008
%I 
%X Circle shaped region of interest(ROI)is studied and corresponding mask formulas are deduced.The set parti- tioning in hierarchical trees(SPIHT)algorithm is improved for circle shaped ROI.Experimental results show that the presented formulas and algorithm are practical and effective.
%K Circle shaped region of interest(ROI)
%K SPIHT
%K image compression
%K mask
%K wavelet transform<br>圆形感兴趣区域
%K 多级树集合分裂算法(SPIHT)
%K 图像压缩
%K 掩码
%K 小波变换
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=E76622685B64B2AA896A7F777B64EB3A&aid=64098F0FC9FDAF46E7AEF9E95F29654D&yid=67289AFF6305E306&vid=339D79302DF62549&iid=94C357A881DFC066&sid=ED9DF3402785F68D&eid=1A0C7C60D40EFD74&journal_id=0254-4156&journal_name=自动化学报&referenced_num=0&reference_num=6