A Fragile Digital Watermarking Technique by Number Theoretic Transform(Special Section on Digital Signal Processing)
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概要
- 論文の詳細を見る
This paper suggests that a watermarking technique based on the number theoretic transform (NTT) may effectively be employed for detecting alterations on lossless digital master images. Due to its fragility, the NTT-based technique is sensitive to detecting alterations, compared with that based on the discrete Fourier transform (DFT).
- 社団法人電子情報通信学会の論文
- 2002-08-01
著者
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YAMAMOTO Tsuyoshi
Graduate School of Engineering, Tohoku University
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AOKI Naofumi
Graduate School of Dental Medicine, Hokkaido University
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Aoki N
Hokkaido Univ. Sapporo‐shi Jpn
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Aoki Naofumi
Graduate School Of Dental Medicine Hokkaido University
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TAMORI Hideaki
Graduate School of Engineering, Hokkaido University
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Tamori Hideaki
Graduate School Of Engineering Hokkaido University
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Yamamoto T
Graduate School Of Information Science And Technology Hokkaido University
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Yamamoto Tsuyoshi
Graduate School Of Engineering College Of Medical Technology Hokkaido University
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