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[文献書誌] 渡辺淳, 長谷川まどか, 加藤茂夫: "直交変換利用型電子透かしにおける無攻撃時の透かし情報消失防止についての検討"画像電子学会誌. Vol.31,No.1. 13-21 (2003)
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[文献書誌] Madoka Hasegawa, Shigeo Kato: "Tamper Detection of Digital Watermark Using Vector Set of Wavelet Coefficient"14th International Conference on Systems Research, Informatics and Cybernetics, Advances in Computer Cybernetics. XI. 25-28 (2002)
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[文献書誌] Shigeo Kato, Madoka Hasegawa: "Lossless Coding method of Image Sequences for Digital Museum"14th International Conference on Systems Research, Informatics and Cybernetics, Advances in Computer Cybernetics. XI. 29-32 (2002)
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[文献書誌] Mitsuhiro Sato, Madoka Hasegawa, Shigeo Kato: "Consideration of Image Quality of Dithered Picture by Constrained Average Method Using Various Probability Distribution Models"2002 International Technical Conference on Circuits/Systems, Computers and Communications. 1495-1498 (2002)
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[文献書誌] Jun Watanabe, Madoka Hasegawa, Shigce Kato: "Study on Preventing Bit Error of Digital Watermark Using Orthogonal Transform"2002 International Technical Conference on Circuits/Systems, Computers and Communications. 277-280 (2002)