Ryo Koyama

According to our database, Ryo Koyama authored at least 13 papers between 2015 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Power-Over-Fiber System With Intermittent Operation Based on Capacitor Voltage Estimation for High-Efficiency Energy Charging.

Tomohiro Kawano, Ryo Koyama, Akihiro Kuroda, Takui Uematsu, Chisato Fukai, Hiroshi Watanabe, Ikutaro Ogushi

IEEE Access, 2024

Improving Accuracy of Anomaly Detection in Spatial-Temporal Population Data through SHAP Values of Reconstruction Errors.

Ryo Koyama, Tomohiro Mimura, Shin Ishiguro, Keisuke Kiritoshi, Takashi Suzuki, Akira Yamada

Proceedings of the 3rd International Workshop on Spatio-Temporal Reasoning and Learning (STRL 2024) co-located with the 33rd International Joint Conference on Artificial Intelligence (IJCAI 2024), 2024

Estimation of Energy Storage Status in Power Supply System Using Power over Fiber for Outdoor Environment.

Tomohiro Kawano, Ryo Koyama, Akihiro Kuroda, Takui Uematsu, Chisato Fukai, Hiroshi Watanabe, Ikutaro Ogushi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

Broadband Transmission Opto-mechanical Switch Based on Cylindrical Ferrule Rotation Switching Using Fiber Bundle Inserted in Ferrule.

Chisato Fukai, Takui Uematsu, Ryo Koyama, Ikutaro Ogushi, Kazunori Katayama

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

Cross-city-aware Spatiotemporal BERT.

Meisaku Suzuki, Yusuke Fukushima, Ryo Koyama, Hayato Kumagai, Tomohiro Mimura, Keiichi Ochiai

Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Human Mobility Prediction Challenge, 2024

2023

Estimating future human trajectories from sparse time series data.

Ryo Koyama, Meisaku Suzuki, Yusuke Nakamura, Tomohiro Mimura, Shin Ishiguro

Proceedings of the 1st International Workshop on the Human Mobility Prediction Challenge, 2023

2022

Optical Tapping with Fresnel Reflection for Optical Fiber Power Monitoring.

Ryo Koyama, Yoshiteru Abe, Kazunori Katayama

Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022

84-fiber MPO connector employing solid refractive index matching material formed on perpendicular polished MT ferrule end.

Yoshiteru Abe, Ryo Koyama, Kazunori Katayama

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

2021

Rapid Determination of Transportation Line Layout by Combination of AGV's Line Searching and Conveyor's Neighbor Recognition.

Ryo Koyama, Shinichi Katsumata, Nobutaka Kimura

Proceedings of the 26th International Conference on Automation and Computing, 2021

2019

Influence of fiber withdrawal during high-power transmission through optical connector with large splice loss.

Chisato Fukai, Yoshiteru Abe, Masaaki Takaya, Ryo Koyama, Kazunori Katayama

Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

2016

Walking control in water considering reaction forces from water for humanoid robots with a waterproof suit.

Yuta Kojio, Tatsushi Karasawa, Kunio Kojima, Ryo Koyama, Fumihito Sugai, Shunichi Nozawa, Yohei Kakiuchi, Kei Okada, Masayuki Inaba

Proceedings of the 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2016

Achievement of dynamic tennis swing motion by offline motion planning and online trajectory modification based on optimization with a humanoid robot.

Ryo Terasawa, Shintaro Noda, Kunio Kojima, Ryo Koyama, Fumihito Sugai, Shunichi Nozawa, Yohei Kakiuchi, Kei Okada, Masayuki Inaba

Proceedings of the 16th IEEE-RAS International Conference on Humanoid Robots, 2016

2015

Development of life-sized high-power humanoid robot JAXON for real-world use.

Kunio Kojima, Tatsuhi Karasawa, Toyotaka Kozuki, Eisoku Kuroiwa, Sou Yukizaki, Satoshi Iwaishi, Tatsuya Ishikawa, Ryo Koyama, Shintaro Noda, Fumihito Sugai, Shunichi Nozawa, Yohei Kakiuchi, Kei Okada, Masayuki Inaba

Proceedings of the 15th IEEE-RAS International Conference on Humanoid Robots, 2015