Visible watermarking using verifiable digital seal image검증 가능한 디지털 인장을 적용한 가시 이미지 워터마킹

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Many watermarking methods for protecting the intellectual property right and authenticating multimedia data have been proposed in recent years. It is possible to guarantee the authenticity of data by using readable and fragile watermarking. In this paper, we propose a visible watermarking technique using newly designed concept of verifiable digital seal image that is based on fragile watermarking. Seal image looks like just a binary(black or white) information after it is converted to digital data by scanning. But, by adding digital signature to the seal image with a watermarking technique, we can get a verifiable digital seal image. The digital seal image can be used as an authentication information for a digital image as well as a digital document. Inserted to digital image as a visible watermark, it guarantees the authenticity of cover image. This paper shows how to construct the verifiable digital seal image and how to apply it to cover image. Results are demonstrated through simulations.
Advisors
Kim, Kwang-Joresearcher김광조researcher
Description
한국정보통신대학원대학교 : 공학부,
Publisher
한국정보통신대학교
Issue Date
2001
Identifier
392044/225023 / 000993865
Language
eng
Description

학위논문(석사) - 한국정보통신대학원대학교 : 공학부, 2001, [ vi, 48 p. ]

Keywords

Digital Seal Image; Visible Watermarking; 디지털 인장; 디지털 인장

URI
http://hdl.handle.net/10203/54713
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=392044&flag=dissertation
Appears in Collection
School of Engineering-Theses_Master(공학부 석사논문)
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