Azimuth Angle Estimation Based on Sound Wave Reflection for Mirrors and Transparent Objects. - Hiroki Katayama; Takuya Kiyokawa; Jun Takamatsu; Tsukasa Ogasawara (SII, 2021)

Robotic Waste Sorter With Agile Manipulation and Quickly Trainable Detector. - Takuya Kiyokawa; Hiroki Katayama; Yuya Tatsuta; Jun Takamatsu; Tsukasa Ogasawara (IEEE Access, 2021)

Active Vapor-Based Robotic Wiper. - Takuya Kiyokawa; Hiroki Katayama; Jun Takamatsu (CoRR, 2021)

Traffic Density Based Travel-Time Prediction With GCN-LSTM. - Hiroki Katayama; Shohei Yasuda; Takashi Fuse (ITSC, 2022)

Comparative Validation of Spatial Interpolation Methods for Traffic Density for Data-driven Travel-time Prediction. - Hiroki Katayama; Shohei Yasuda; Takashi Fuse (Int. J. Intell. Transp. Syst. Res., 2022)

Correction to: Comparative Validation of Spatial Interpolation Methods for Traffic Density for Data‑driven Travel‑time Prediction. - Hiroki Katayama; Shohei Yasuda; Takashi Fuse (Int. J. Intell. Transp. Syst. Res., 2022)

Bounding Box Annotation with Visible Status. - Takuya Kiyokawa; Naoki Shirakura; Hiroki Katayama; Keita Tomochika; Jun Takamatsu (CoRR, 2023)

Active Vapor-Based Robotic Wiper. - Takuya Kiyokawa; Hiroki Katayama; Jun Takamatsu; Kensuke Harada (IRC, 2024)

Trajectory Data-Driven Network Representation for Traffic State Prediction using Deep Learning. - Shohei Yasuda; Hiroki Katayama; Wataru Nakanishi; Takamasa Iryo (Int. J. Intell. Transp. Syst. Res., 2024)

Efficiently Collecting Training Dataset for 2D Object Detection by Online Visual Feedback. - Takuya Kiyokawa; Naoki Shirakura; Hiroki Katayama; Keita Tomochika; Jun Takamatsu (J. Robotics Mechatronics, 2025)