Unique Fingerprint-Image-Generation Algorithm for Line Sensors
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概要
- 論文の詳細を見る
It is theoretically impossible to restore the original fingerprint image from a sequence of line images captured by a line sensor. However, in this paper we propose a unique fingerprint-image-generation algorithm, which derives fingerprint images from sequences of line images captured at different swipe speeds by the line sensor. A continuous image representation, called trajectory, is used in modeling distortion of raw fingerprint images. Sequences of line images captured from the same finger are considered as sequences of points, which are sampled on the same trajectory in N-dimensional vector space. The key point here is not to reconstruct the original image, but to generate identical images from the trajectory, which are independent of the swipe speed of the finger. The method for applying the algorithm in a practical application is also presented. Experimental results on a raw fingerprint image database from a line sensor show that the generated fingerprint images are independent of swipe speed, and can achieve remarkable matching performance with a conventional minutiae matcher.
- （社）電子情報通信学会の論文
- 2011-02-01
著者
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Kunieda H
Department Of Communication And Integrated System Tokyo Institute Of Technology
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Kunieda H
Tokyo Inst. Of Technol. Tokyo Jpn
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Li Dongju
Department Of Communications And Integrated Systems Tokyo Institute Of Technology
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Li D
Tokyo Inst. Technol. Tokyo Jpn
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Isshiki Tsuyoshi
Dept. Of Communications And Integrated Systems Tokyo Institute Of Technology
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NI Hao
Dep. of Communications and Integrated Systems, Graduate School of Science and Engineering, Tokyo Ins
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LI Dongju
Dep. of Communications and Integrated Systems, Graduate School of Science and Engineering, Tokyo Ins
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ISSHIKI Tsuyoshi
Dep. of Communications and Integrated Systems, Graduate School of Science and Engineering, Tokyo Ins
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KUNIEDA Hiroaki
Dep. of Communications and Integrated Systems, Graduate School of Science and Engineering, Tokyo Ins
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Isshiki Tsuyoshi
Dep. Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo Insti
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Kunieda Hiroaki
Dep. Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo Insti
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Li Dongju
Dep. Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo Insti
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Ni Hao
Dep. Of Communications And Integrated Systems Graduate School Of Science And Engineering Tokyo Insti
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