公开(公告)号：KR101362449B1

公开(公告)日：2014-02-12

申请号：KR1020120116523

申请日：2012-10-19

Applicant: 국방과학연구소

Inventor： 정창민 ,  이흥규 ,  문성원 ,  현대경 ,  최정호 ,  정대진

IPC: H04N21/8358

CPC classification number: H04N21/8358

Abstract: The present invention relates to a digital watermarking device capable of distinguishing concealment and falsification of video information. The present invention includes a first insertion unit inserting a robust watermark for concealing information into one or more frames of video content and a second insertion unit inserting a semi-fragile watermark for distinguishing the concealment and the falsification into one or more frames of the video content. The present invention can efficiently distinguish the concealment and the falsification of the video information. [Reference numerals] (10) First insertion unit; (20) Second insertion unit; (30) First detection unit; (40) Second detection unit

Abstract translation: 本发明涉及能够区分视频信息的隐藏和伪造的数字水印装置。 本发明包括：第一插入单元，插入用于将信息隐藏到一个或多个视频内容帧中的鲁棒水印;以及第二插入单元，插入用于将隐藏和伪造区分为视频内容的一个或多个帧的半脆弱水印 。 本发明可以有效地区分视频信息的隐藏和伪造。 （附图标记）（10）第一插入单元; （20）第二插入单元; （30）第一检测单元; （40）第二检测单元