Tracking pedestrians using multiple single-row laser range scanners and its reliability evaluation. - Katsuyuki Nakamura; Huijing Zhao; Ryosuke Shibasaki; Kiyoshi Sakamoto; Tomowo Ohga; Naoki Suzukawa (Syst. Comput. Jpn., 2006)

3D crowd surveillance and analysis using laser range scanners. - Xiaowei Shao; Huijing Zhao; Ryosuke Shibasaki; Yun Shi; Kiyoshi Sakamoto (IROS, 2011)