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
申请公布号
KR101362449(B1)
申请公布日期
2014.02.12
申请号
KR20120116523
申请日期
2012.10.19
申请人
AGENCY FOR DEFENSE DEVELOPMENT
发明人
JEONG, CHANG MIN;LEE, HEUNG KYU;MOON, SUNG WON;HYUN, DAI KYUNG;CHOI, JUNG HO;JUNG, DAE JIN