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Open AccessArticle

Unsteady State Lightweight Iris Certification Based on Multi-Algorithm Parallel Integration

by Liu Shuai 1,2, Liu Yuanning 1,2, Zhu Xiaodong 1,2,*, Zhang Kuo 1,2, Ding Tong 2,3, Li Xinlong 2,3 and Wang Chaoqun 2,3
1
College of Computer Science and Technology, Jilin University, Changchun 130012, China
2
Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
3
College of Software, Jilin University, Changchun 130012, China
*
Author to whom correspondence should be addressed.
Algorithms 2019, 12(9), 194; https://doi.org/10.3390/a12090194
Received: 23 July 2019 / Revised: 1 September 2019 / Accepted: 9 September 2019 / Published: 12 September 2019
Aimed at the one-to-one certification problem of unsteady state iris at different shooting times, a multi-algorithm parallel integration general model structure is proposed in this paper. The iris in the lightweight constrained state affected by defocusing, deflection, and illumination is taken as the research object, the existing algorithms are combined into the model structure effectively, and a one-to-one certification algorithm for lightweight constrained state unsteady iris was designed based on multi-algorithm integration and maximum trusted decision. In this algorithm, a sufficient number of iris internal feature points from the unstable state texture were extracted as effective iris information through the image processing layer composed of various filtering processing algorithms, thereby eliminating defocused interference. In the feature recognition layer, iris deflection interference was excluded by the improved methods of Gabor and Hamming and Haar and BP for the stable features extracted by the image processing layer, and two certification results were obtained by means of parallel recognition. The correct number of certifications for an algorithm under a certain lighting condition were counted. The method with the most correct number was set as the maximum trusted method under this lighting condition, and the results of the maximum trusted method were taken as the final decision, thereby eliminating the effect of illumination. Experiments using the JLU and CASIA iris libraries under the prerequisites in this paper show that the correct recognition rate of the algorithm can reach a high level of 98% or more, indicating that the algorithm can effectively improve the accuracy of the one-to-one certification of lightweight constrained state unsteady iris. Compared with the latest architecture algorithms, such as CNN and deep learning, the proposed algorithm is more suitable for the prerequisites presented in this paper, which has good environmental inclusiveness and can better improve existing traditional algorithms’ effectiveness through the design of a parallel integration model structure. View Full-Text
Keywords: lightweight constrained iris; one-to-one certification; unsteady state texture; multi-algorithm parallel integration model; maximum trusted method lightweight constrained iris; one-to-one certification; unsteady state texture; multi-algorithm parallel integration model; maximum trusted method
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Shuai, L.; Yuanning, L.; Xiaodong, Z.; Kuo, Z.; Tong, D.; Xinlong, L.; Chaoqun, W. Unsteady State Lightweight Iris Certification Based on Multi-Algorithm Parallel Integration. Algorithms 2019, 12, 194.

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