DCT Sign-Based Similarity Measure for JPEG Image Retrieval(Image)
スポンサーリンク
概要
- 論文の詳細を見る
We propose a method to retrieve similar and duplicate images from a JPEG (Joint Photographic Image Group) image database. Similarity level is decided based on the DCT (Discrete Cosine Transform) coefficients signs. The method is simple and fast because it uses the DCT coefficients signs as features, which can be obtained directly after partial decoding of JPEG bitstream. The method is robust to JPEG compression, in which similarity level of duplicate images, i.e., images that are compressed from the same original images with different compression ratios, is not disguised due to JPEG compression. Simulation results showed the superiority of the method compared to previous methods in terms of computational complexity and robustness to JPEG compression.
- 社団法人電子情報通信学会の論文
- 2007-09-01
著者
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Fujiyoshi Masaaki
Faculty of System Design, Tokyo Metropolitan University
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Kiya Hitoshi
Faculty of System Design, Tokyo Metropolitan University
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Kiya Hitoshi
Dept. Of Information And Communication Systems Engineering Tokyo Metropolitan University
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Kiya Hitoshi
Faculty Of System Design Tokyo Metropolitan University
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Kiya Hitoshi
Department Of Information And Communication Systems Engineering Faculty Of System Design Tokyo Metro
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Kiya Hitoshi
Tokyo Metropolitan Univ. Hachioji‐shi Jpn
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Fujiyoshi Masaaki
Department Of Electrical Engineering Tokyo Metropolitan University
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Fujiyoshi Masaaki
Graduate School Of System Design Tokyo Metropolitan University
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Fujiyoshi Masaaki
Dept. Of Information And Communication Systems Engineering Tokyo Metropolitan University
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Fujiyoshi Masaaki
Faculty Of System Design Tokyo Metropolitan University
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Fujiyoshi Masaaki
Graduate School Of Engineering Tokyo Metropolitan University
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ARNIA Fitri
Graduate School of Engineering, Tokyo Metropolitan University
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IIZUKA Ikue
Graduate School of Engineering, Tokyo Metropolitan University
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Arnia Fitri
Graduate School Of Engineering Tokyo Metropolitan University
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Iizuka Ikue
Graduate School Of Engineering Tokyo Metropolitan University:(present Office)hitachi Ltd.
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Kiya Hitoshi
Faculty Of Engineering Tokyo Metropolitan University
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