Extraction of n = 0 pick-up by locked mode detectors based on neural networks in J-TEXT. - Chengshuo Shen; Jianchao Li; Yonghua Ding; Jiaolong Dong; Nengchao Wang; Dongliang Han; Feiyue Mao; Da Li; Zhipeng Chen; Zhoujun Yang; Zhongyong Chen; Yuan Pan; et al. (CoRR, 2023)