The quasi-one-way function and its applications to image watermarking

Kazuo Ohzeki, Engyoku Gi

研究成果: Conference contribution

3 被引用数 (Scopus)

抄録

This paper describes a one-way function for use in an image watermark to improve authentication ability. The oneway function is popular in cryptography and can prove encryption security. The existence of the one-way function has not been proved yet, while the public key encryption procedure is widely used in practical commerce. The authors proposed a quasi-one-way function, which is weakly defined for practical use. The differences between the strict one-way-function and the proposed quasi-one-way function are discussed. Applications of the quasi-one-way function to image watermarking are shown. Two watermarking systems with SVD method and Jordan canonical form are tried. The robustness of the proposed watermarking method is high.

本文言語English
ホスト出版物のタイトルProceedings of the International Multiconference on Computer Science and Information Technology, IMCSIT 2008
ページ501-508
ページ数8
DOI
出版ステータスPublished - 2008 12 1
イベントInternational Multiconference on Computer Science and Information Technology, IMCSIT 2008 - Wisla, Poland
継続期間: 2008 10 202008 10 22

出版物シリーズ

名前Proceedings of the International Multiconference on Computer Science and Information Technology, IMCSIT 2008
3

Conference

ConferenceInternational Multiconference on Computer Science and Information Technology, IMCSIT 2008
CountryPoland
CityWisla
Period08/10/2008/10/22

ASJC Scopus subject areas

  • Computer Science Applications
  • Software

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