Complex-Valued Neural Networks: A Comprehensive Survey. - Chiyan Lee; Hideyuki Hasegawa; Shangce Gao (IEEE CAA J. Autom. Sinica, 2022)

Two-Dimensional Wavenumber Analysis Implemented in Ultrasonic Vector Doppler Method with Focused Transmit Beams. - Hideyuki Hasegawa; Masaaki Omura; Ryo Nagaoka; Kozue Saito (Sensors, 2022)

Effect of Clutter Filter in High-Frame-Rate Ultrasonic Backscatter Coefficient Analysis. - Masaaki Omura; Kunimasa Yagi; Ryo Nagaoka; Kenji Yoshida; Tadashi Yamaguchi; Hideyuki Hasegawa (Sensors, 2023)

Dendritic Learning-Incorporated Vision Transformer for Image Recognition. - Zhiming Zhang; Zhenyu Lei 002; Masaaki Omura; Hideyuki Hasegawa; Shangce Gao (IEEE CAA J. Autom. Sinica, 2024)

Fully Complex-Valued Gated Recurrent Neural Network for Ultrasound Imaging. - Zhenyu Lei 002; Shangce Gao; Hideyuki Hasegawa; Zhiming Zhang; Mengchu Zhou; Khaled Sedraoui (IEEE Trans. Neural Networks Learn. Syst., 2024)

Complex-Valued Convolutional Gated Recurrent Neural Network for Ultrasound Beamforming. - Zhiming Zhang; Zhenyu Lei 002; MengChu Zhou; Hideyuki Hasegawa; Shangce Gao (IEEE Trans. Neural Networks Learn. Syst., 2025)