Polarized Near-Infrared Light Emission for Eye Gaze Estimation. - Koki Koshikawa; Masato Sasaki; Takamasa Utsu; Kentaro Takemura (ETRA Short Papers, 2020)

Gaze Estimation with Imperceptible Marker Displayed Dynamically using Polarization. - Yutaro Inoue; Koki Koshikawa; Kentaro Takemura (ETRA, 2022)

Model-based Gaze Estimation with Transparent Markers on Large Screens. - Koki Koshikawa; Takashi Nagamatsu; Kentaro Takemura (Proc. ACM Hum. Comput. Interact., 2022)

Dual Perigee: Reducing Latency in IoT Blockchain Through Efficient Peer Selection. - Koki Koshikawa; Jong-Deok Kim; Won-Joo Hwang; Kien Nguyen 002; Hiroo Sekiya (VTC Spring, 2024)