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ASP Transactions on Pattern Recognition and Intelligent Systems
In the process of image acquisition, the contrast between veins and non-veins in finger vein images is not high due to the influence of the fuzzy light source, skin scattering and finger movement. To solve this problem, a finger vein image enhancement method is proposed (GTGFs), which enhances finger vein patterns by setting guided image as input image firstly. On this basis, the tri-Gaussian model is based on disinhibitory properties of the concentric receptive field used to locally enhancingdoi:10.52810/tpris.2021.100012 fatcat:6ykjsnrwizf53n42grmi6bxi74