| 2022 | ICPRAM | Automatic Characteristic Line Drawing Generation using Pix2pix. | Kazuki Yanagida, Keiji Gyohten, Hidehiro Ohki, Toshiya Takami |
| 2020 | ICPRAM | A Method to Identify the Cause of Misrecognition for Offline Handwritten Japanese Character Recognition using Deep Learning. | Keiji Gyohten, Hidehiro Ohki, Toshiya Takami |
| 2018 | ICFHR | A Study of Data Augmentation for Handwritten Character Recognition using Deep Learning. | Taihei Hayashi, Keiji Gyohten, Hidehiro Ohki, Toshiya Takami |
| 2009 | CISIS | Sport Data Animating - An Automatic Animation Generator from Real Soccer Data. | Hidehiro Ohki, Moriyuki Shirazawa, Keiji Gyohten, Naomichi Sueda, Seiki Inoue |
| 2009 | ICDAR | 2D CAD Data Mining Based on Spatial Relation. | Hiroaki Kizu, Junko Yamamoto, Takeshi Takeda, Keiji Gyohten, Naomichi Sueda |
| 2004 | SMC | Community partition based chat system easy to join for new members. | Keiji Gyohten, Yoshiyuki Hirayama |
| 2002 | MVA | A Basic Consideration on Estimation of Robot Positions by Observing Unknown Environment. | Keiji Gyohten, Koji Nagamura, Tsuyoshi Yoshikawa, Kazuhiko Sakamoto, Yoshiyuki Soma, Takashi Shimazaki, Tsuneo Kagawa |
| 2000 | SMC | Optimization-based image analysis dealing with symbolic constraints using hierarchical multi-agent system. | Keiji Gyohten |
| 1995 | ICDAR | Extracting characters and character lines in multi-agent scheme. | Keiji Gyohten, Tomoko Sumiya, Noboru Babaguchi, Koh Kakusho, Tadahiro Kitahashi |