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This work was supported in part by National Natural Science Foundation of China (Grant Nos. 61421001, U1833203).
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Wu, X., Tao, R., Hong, D. et al. The FrFT convolutional face: toward robust face recognition using the fractional Fourier transform and convolutional neural networks. Sci. China Inf. Sci. 63, 119103 (2020). https://doi.org/10.1007/s11432-018-9862-9