说明：  文物修复和图像修复在原理上存在共性，利用这种共性，结合数字图像修复通过数学算法自 动实现的特性，可将文物领域的修复需求预先在计算机上虚拟实现。本文简单阐述这种基于数字图像修复技 术的文物虚拟修复的概念、意义及研究路线、内容，并展示一些文物虚拟修复的实验成果。最后，结合对 文物虚拟修复问题的理解，对数字图像修复技术的在文物领域的应用进行一些展望。
(Abstract：In tlle naditional e)【芒IlIlplaur-b鹊ed a1剃tllm，tlle image completion dfect is伊eady degraded due to me fixed patch-size，which caIInot chaIlge togetller witll蛐image跏tomatically in the pmcess of completing． S0 in this p印er we pr叩ose aJl ad印tive patch—size deterIIlining metIlod to solve山is problem． By蜘alyzing t11e image ch舳ges in the删ient domain， this method acquires the stnlctIlre iIlfbn聃tion of each pixel， 明d tllen automatically adjusts tIle patch-size． The simul砒ion resIllts show tll砒thi8 Ine山od can overcome many shortcoIIlings 0f旬raditional methods， such as stmctu朋1 enDr propagation and whole stlllctllre loss，and realizes perfbct completion drect for images witll obvious changed stnlcture． Key words：image completion；texture syntIlesis；adaptive patch size；铲adient field)