Digital Watermarking Method to Embed Index Data into JPEG Images(Special Section on Information Theory and Its Applications)

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概要

• 論文の詳細を見る

• This letter proposes a method which can embed index data such as memos into JPEG images. The method embeds digital watermarks using the quantitative relation between quantized DCT coefficients in JPEG images. In the method, we can embed extra data to represent index data and can extract the index data without parameters used in embedding process. Furthermore, the method is tolerant of JPEG recompression and prevents the degradation of image quality by rewriting index data.

• 社団法人電子情報通信学会の論文
• 2002-10-01

著者

• SHIOZAKI Akira

  Graduate School of Engineering, Osaka Prefecture University

• Shiozaki Akira

  Graduate School Of Engineering Osaka Prefectural University

• Iwata Motoi

  Graduate School Of Engineering Osaka Prefecture University

• Iwata Motoi

  Graduate School Of Engineering Osaka Prefectural University

• MITYAKE Kyosuke

  Graduate School of Engineering, Osaka Prefectural University

• Mityake Kyosuke

  Graduate School Of Engineering Osaka Prefectural University

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