Speech Enhancement for Optical Laser Microphone With Deep Neural Network. - Chengkai Cai; Kenta Iwai; Takanobu Nishiura; Yoichi Yamashita (APSIPA, 2020)

Optical laser microphone for human-robot interaction: speech recognition in extremely noisy service environments. - Takahiro Fukumori; Chengkai Cai; Yutao Zhang; Lotfi El Hafi; Yoshinobu Hagiwara; Takanobu Nishiura; Tadahiro Taniguchi (Adv. Robotics, 2022)

Speech Enhancement for Laser Doppler Vibrometer Dealing with Unknown Irradiated Objects. - Chengkai Cai; Kenta Iwai; Takanobu Nishiura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)