Line-division-based digital watermarking system for facilitating fair use of small-size vector map content

Takaaki Yamada, Yasuhiro Fujii, Satoru Tezuka, Norihisa Komoda

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

As many people use digital maps in the ubiquitous network, facilitating fair use has become a great issue for vector map content. Watermarks are a promising way to trace content and report contact information to end users. We clarify the technical requirement for a small-size map including several hundred vectors. A line-division-based digital watermarking system based on inserting new points that divide a line segment, where the internal division ratio indicates the embedding information, is proposed. The ability of the method to survive daily user operations and trace content is evaluated.

Original languageEnglish
Pages (from-to)11-19
Number of pages9
JournalElectronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume91
Issue number9
DOIs
Publication statusPublished - 2008

Keywords

  • Facilitating fair use
  • Line-division-based digital watermark
  • Vector map content

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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