As an effective method for multimedia authentication and tamper detection, fragile watermarking is drawing extensive attention recently.
作为多媒体认证和篡改检测的一种新技术，易碎水印正得到越来越多的关注。
This paper presents a novel recoverable active signature technique of digital images(RADS) , according to the characteristics of image contents and the requirements of multimedia authentication.
本文根据多媒体信息的特点和多媒体认证的具体要求，提出了一种新的数字图象可恢复性主动签名方法（RADS）。
As an effective implements in the copyright protection and integrity authentication for multimedia, digital watermarking techniques has become an active and flouring research topic.
数字水印技术是对多媒体版权进行保护和完整认证的有效工具之一，近年来成为研究热点。
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