Partial-Scrambling of Images Encoded by JPEG2000
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概要
- 論文の詳細を見る
A partial-scrambling method for JPEG2000 bit-streams is proposed. The proposed method, which is based on EBCOT algorithm, can be applied to JPEG2000 bit-streams generated by a general JPEG2000 encoder. To obtain scrambled images, the proposed method encrypts some parts of JPEG2000 bit-streams. The proposed method has the following features. (1) The scrambling is independent of image coding. (2) The scrambling operation has no influence on rate control. (3) The scrambling can be used in both lossy and loss-less image coding. (4) The scrambling degree has a lot of freedom on strength and region.
- 社団法人電子情報通信学会の論文
- 2002-02-01
著者
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WATANABE Osamu
Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan
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Ando Katsutoshi
Graduate School Of Engineering Tokyo Metropolitan University
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Kiya Hitoshi
Graduate School Of System Design Tokyo Metropolitan University
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Kiya Hitoshi
Graduate School Of Engineering Tokyo Metropolitan University
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Kiya Hitoshi
Graduate Course Of Electronics Eng. Graduate School Of Eng. Tokyo Metropolitan University
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Watanabe Osamu
Graduate School Of Engineering Tokyo Metropolitan University
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