Robust laser speckle authentication system through data mining techniques

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题名:	Robust laser speckle authentication system through data mining techniques
作者:	林智揚;Yeh, Chia-Hung;Lee, guanling;Lin, Chih-Yang
贡献者:	工學院機械工程學系
关键词:	Adaptive optics;Algorithms;Association rules;Authentication;Data mining;Identification systems;Image processing;imaging systems;Lasers;Luminance;Matching;Optical imaging;optical security and encryption;Optical sensors;pattern recognition;Plastic cards;Plastics;Speckle
日期:	2015-04-27
上传时间:	2026-04-23 15:26:36 (UTC+8)
出版者:	IEEE Computer Society;Piscataway: IEEE
摘要:	摘要： This paper proposes a speckle image recognition method using data mining techniques to ensure speckle identification system feasible for authentication. This is an interdisciplinary method that integrates the researches of optics, data mining, and image processing. Because objects have unique but imperfect surfaces, their laser speckle is capable of providing suitable identifiable features for authentication. In our method, matching points among speckle images acquired from one plastic card are extracted by scale-invariant feature transform (SIFT). The spatial relations among the matching points are then transformed to 9 direction lower triangular (9DLT) representations. Then, the Apriori algorithm mines frequent patterns so a useful association rule is obtained as the feature to identify the similarity between each of the speckle images for the purpose of authenticity verification. The proposed method is especially robust in the cases of card displacement and luminance change resulted from laser attenuation. Experimental results show that the proposed method has promising results and outperforms existing methods in identification accuracy. 其他題名： TII 出版者： Piscataway: IEEE 出版日期： 2015-04-01 出處： IEEE transactions on industrial informatics, 2015-04, Vol.11 (2), p.505-512 資源來源： IEEE Electronic Library (IEL) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Apr 2015 識別號： ISSN: 1551-3203 識別號： EISSN: 1941-0050 識別號： DOI: 10.1109/TII.2015.2400411 識別號： CODEN: ITIICH
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