%0 Journal Article
%T A Kind of Video Object Segmentation Based of Spatio-temporal Information<br>一种基于时空联合的视频对象分割方法
%A LI Zhao-hui
%A ZHANG Yan-ling
%A YU Ying-lin
%A <br>李朝晖
%A 张艳玲
%A 余英林
%J 中国图象图形学报
%D 2003
%I 
%X Video object segmentation has important application in content-based video encoding and video retrieval. In this paper, a new approach based on temporal and spatial union information is proposed. In spatial domain, morphological operators such as morphological filters, morphological gradient operator and watershed algorithm are used, morphological filters are used to simplify the image, morphological gradient is used to mark homogeneous regions, the watershed operator is used to decide spatial boundaries. In temporal segmentation domain, the initial change detection mask is gotten by using F-test, then by combining it with the result of spatial segmentation, the final result is gotten. The procedure toward complete segmentation consists of the following main steps; global motion estimation and compensation (if exist background motion), change detection, marker extraction, watershed transfer, temporal and spatio information fusion. The experimental result shows the effectiveness of the method: it can separate the foreground from still or motion, simple or complex background satisfactorily, preferably locate and segment the video object.
%K Video segmentation
%K F-detection
%K Morphological operator<br>图象处理(510·4050)
%K 视频分割
%K F-检验
%K 形态学
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=D06194629680C940ACE75262F54B9D85&aid=8E530AD8F815411E&yid=D43C4A19B2EE3C0A&vid=5D311CA918CA9A03&iid=708DD6B15D2464E8&sid=2AF38D6ACB828704&eid=5D2AEAEFE5867538&journal_id=1006-8961&journal_name=中国图象图形学报&referenced_num=2&reference_num=5