Research on the application of convolutional-deep neural networks in parallel fingerprint minutiae matching Online publication date: Tue, 05-Jan-2021
by SuHua Wang; MingJun Cheng; ZhiQiang Ma; XiaoXin Sun
International Journal of Biometrics (IJBM), Vol. 13, No. 1, 2021
Abstract: In order to overcome the problem of low throughput and time-consuming of traditional fingerprint minutiae matching methods, a new convolutional-deep neural network is proposed for parallel fingerprint minutiae matching. This method realises the preprocessing of the initial image through four steps: normalisation, image enhancement, parallel thinning and image segmentation. The convolutional-deep neural network is constructed from convolution kernel, convolution layer, pooling layer and full connection layer to extract minutiae of fingerprint image. Through feature minutiae matching, local matching and global matching, the matching results of fingerprint parallel nodes are obtained. The experimental results show that compared with the traditional matching method, the fingerprint matching throughput of convolutional-deep neural network is increased by 25%, and the matching time is saved by about 8 seconds.
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