Research on emotional recognition methods based on electrocardiogram signal - Zhao, Qiuduo; Deng, Xing; Liu, Zhao; Yang, Saifei; Liang, Mengke; Wang, Sheng (2024 30th International Conference on Mechatronics and Machine Vision in Practice (M2VIP), Mechatronics and Machine Vision in Practice (M2VIP), 2024 30th International Conference on, 2024)