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。
As an effective method for multimedia authentication and tamper detection, fragile watermarking is drawing extensive attention recently.
为了认证数码照片的真实性，采用了新出现的数字水印技术。
Authenticating reality of digital photograph, this paper applies novel digital watermarking technique.
鲁棒水印是进行版权认证常用的技术。
Robust watermark is commonly used in copyright certification.
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