CAJ | 학술논문

通信信道的不可靠性会导致传输的视频数据质量下降，错误隐藏是解码端利用视频数据在空域和时域上的相关性来修复传输错误的有效技术。介绍了错误隐藏的研究现状和各项相关技术，包括插值法、边界匹配法及矢量外推法等；对经典及最新的错误隐藏技术进行了分析和对比，指出了亟待解决的问题和下一步的研究方向，为相关研究提供了参考。
통신신도적불가고성회도치전수적시빈수거질량하강，착오은장시해마단이용시빈수거재공역화시역상적상관성래수복전수착오적유효기술。개소료착오은장적연구현상화각항상관기술，포괄삽치법、변계필배법급시량외추법등；대경전급최신적착오은장기술진행료분석화대비，지출료극대해결적문제화하일보적연구방향，위상관연구제공료삼고。
The unreliability of communication channel will lead to a decline in the quality of video data.The error conceal-ment technology repaires transmission error using the related of video data based on spatial and temporal.This paper intro-duced the research status of error concealment and related techniques,including interpolation method,boundary matching method and vector extrapolation and so on.It analyzed and compared the classical and new error concealment techniques.Fi-nally,this paper depicted direction of research and development of error concealment for the next and provided reference for error concealment research.