FPGA implementation and image encryption application of a new PRNG based on a memristive Hopfield neural network with a special activation gradient

Fei Yu(余飞), Zinan Zhang(张梓楠), Hui Shen(沈辉), Yuanyuan Huang(黄园媛), Shuo Cai(蔡烁), and Sichun Du(杜四春)

Chin. Phys. B . 2022, (2): 20505 -020505 . DOI: 10.1088/1674-1056/ac3cb2