| 2025 | MVA | Impact of Optical System Size on Robustness in Laser Speckle Authentication. | Naoki Fujieda, Kazuya Kitano, Takuya Funatomi, Rui Ishiyama, Yasuhiro Mukaigawa |
| 2024 | VCIP | Fast Retrieval of Pharmaceutical Packaging Images Using Keypoint Matching with Angle and Scale Voting for Outlier Rejection. | Yona Zakaria, Rui Ishiyama, Eiki Ishidera, Tomokazu Matsui, Keiichi Yasumoto |
| 2023 | MVA | Automated Identification of Surgical Instruments without Tagging: Implementation in Real Hospital Work Environment. | Rui Ishiyama, Per Helge Litzheim Friland, Stein-Asle vrebotn |
| 2018 | MMSys | Tip-on-a-chip: automatic dotting with glitter ink pen for individual identification of tiny parts. | Yuta Kudo, Hugo Zwaan, Toru Takahashi, Rui Ishiyama, Pieter Jonker |
| 2017 | MVA | Mass-produced parts traceability system based on automated scanning of "Fingerprint of Things". | Toru Takahashi, Yuta Kudo, Rui Ishiyama |
| 2010 | ACCV | Extracting Scene-Dependent Discriminant Features for Enhancing Face Recognition under Severe Conditions. | Rui Ishiyama, Nobuyuki Yasukawa |
| 2009 | ICIP | Face image enhancement using 3D and spectral information. | Charles Dubout, Masato Tsukada, Rui Ishiyama, Chisato Funayama, Sabine Ssstrunk |
| 2009 | ICIP | Specularity removal for enhancing face recognition. | Rui Ishiyama, Masato Tsukada |
| 2007 | ICIP | Precise 3-D Measurement using Uncalibrated Pattern Projection. | Rui Ishiyama, Takayuki Okatani, Koichiro Deguchi |
| 2006 | ICPR | A Compact Model of Human Postures Extracting Common Motion from Individual Samples. | Rui Ishiyama, Hiroo Ikeda, Shizuo Sakamoto |
| 2004 | ICPR | Fast and Accurate Facial Pose Estimation by Aligning a 3D Appearance Model. | Rui Ishiyama, Shizuo Sakamoto |
| 2002 | ICPR | Geodesic Illumination Basis: Compensating for Illumination Variations in any Pose for Face Recognition. | Rui Ishiyama, Shizuo Sakamoto |
| 2000 | MVA | A New Face Recognition System with Robustness against Illumination Changes. | Rui Ishiyama, Shizuo Sakamoto, Johji Tajima |
| 1997 | ICEC | A self-organizing system with cell-specialization. | Kaoru Nakano, Katsumi Konishi, Rui Ishiyama, Shiro Ikeda |