%0 Journal Article
%T An Adaptive Spatio-Temporal Concealment Method Using Fuzzy Classifing and Mesh Warping<br>基于模糊聚类和网格变形的自适应时-空差错掩盖方法
%A Guo Xiu-jiang
%A Zhu Xiu-chang
%A <br>郭秀江
%A 朱秀昌
%J 电子与信息学报
%D 2006
%I 
%X When bit errors occur during transmission and cannot be corrected by an error correction scheme, error concealment is needed to mask damaged image at receiver. In this paper, a spatio-temporal error concealment algorithm based on fuzzy classify and mesh warping method is presented. The algorithm include two steps: First , the error blocks which are in the situation of pure translation are reconstructed. If the complicated motion such as rotation and zoom in or out is detected , the internal texture of each block is warped by a mesh-based affine transform, in order to comply with nontranslation. Experimental results show that the PSNR has been improved 1.5dB than the BMA-MBW, and 3.5dB than the BMA.
%K Image processing
%K Fuzzy sets
%K Classify analysis
%K Error concealment
%K Mesh waroing<br>图像处理
%K 模糊集
%K 聚类分析
%K 差错掩盖
%K 网格变形
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=2D479C04565FA45F&yid=37904DC365DD7266&vid=D3E34374A0D77D7F&iid=5D311CA918CA9A03&sid=6EAE3EAEEC5D0463&eid=3E06550FC0157483&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=14