DCT SIGN ONLY IMAGE AND ITS APPLICATION TO PHASE ONLY CORRELATION(INTERNATIONAL Workshop on Advanced Image Technology 2008)
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概要
- 論文の詳細を見る
This paper presents that a DCT sign-only image, which is generated from the signs of DCT coefficients, can yield some phase and magnitude information of DFT coefficients. This fact allows DCT signs to be used for estimating not only the translated values, but also the rotated and scaled values between two images. DCT signs are compactly expressed and are directly related to coded images. These properties are also used in the proposed POC approach via the DCT sign-only images as well as in DCT sign correlation. Some simulations are also presented to confirm the validity of the proposed approach. In addition, the amount of DCT signs are reduced by band-limited technique.
- 社団法人電子情報通信学会の論文
- 2007-12-31
著者
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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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Ito Izumi
Graduate School Of System Design 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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