图像通信中去块效应方法研究现状  

The Status Quo of the Research on De-Blocking Algorithms in Image Communications

作　　者：赵永耀[1] 秦志光[1] 

机构地区：[1]电子科技大学,四川成都610054

出　　处：《计算机工程与科学》2008年第5期37-40,共4页Computer Engineering & Science

摘　　要：图像压缩是图像通信领域中十分重要的研究内容。在低码率的情况下,由于压缩方法的局限性,重建后的图像会产生块效应。本文主要介绍了去块效应的经典方法和当前最新的研究现状,综合研究分析了各算法的优劣。Image compression is the important research content of image communications, the major drawback is that the decoded images exhibit highly noticeable blocking artifact near the boundaries in the transmission process at very low bit rates. In this paper, the research status quo of deblocking algorithms is reported, the classic and new ideas are introduced, and their respective advantages and disadvantages are analyzed and compared. The current problem in the deblocking approach and future research direction is listed at the end of this paper.

关 键 词：离散余弦变换 去块效应 凸投影集 最大后验概率 图像通信 

分 类 号：TP911[自动化与计算机技术]