Floating-Point Approximation Enabling Cost-Effective and High-Precision Digital Implementation of FitzHugh-Nagumo Neural Networks. - Yue Zuo; Ning Ning 002; Guanchao Qiao; J. H. Wu; Junhan Bao; Xiaoyang Zhang; Jian Bai; F. H. Wu; Yang Liu 062; Qi Yu 002; Shaogang Hu (IEEE Trans. Biomed. Circuits Syst., 2024)