| 2011 | UIST | Gesture keyboard requiring only one camera. | Taichi Murase, Atsunori Moteki, Noriaki Ozawa, Nobuyuki Hara, Takehiro Nakai, Katsuhito Fujimoto |
| 2008 | DAS | Unsupervised Decomposition of Color Document Images by Projecting Colors to a Spherical Surface. | Yuan He, Jun Sun, Satoshi Naoi, Yusaku Fujii, Katsuhito Fujimoto |
| 2008 | DAS | An Image Based Watermark String Detection System for Document Security Checking. | Jun Sun, Yusaku Fujii, Hiroaki Takebe, Katsuhito Fujimoto, Satoshi Naoi |
| 2008 | DAS | Word Extraction Method by Generating Multiple Character Hypotheses. | Hiroaki Takebe, Katsuhito Fujimoto |
| 2008 | ICPR | Video caption duration extraction. | Hongliang Bai, Jun Sun, Satoshi Naoi, Yutaka Katsuyama, Yoshinobu Hotta, Katsuhito Fujimoto |
| 2007 | ICDAR | Curved paper rectification for digital camera document images by shape from parallel geodesics using continuous dynamic programming. | Katsuhito Fujimoto, Jun Sun, Hiroaki Takebe, Misako Suwa, Satoshi Naoi |
| 2007 | ICDAR | An SVM-Based High-accurate Recognition Approach for Handwritten Numerals by Using Difference Features. | Kaizhu Huang, Jun Sun, Yoshinobu Hotta, Katsuhito Fujimoto, Satoshi Naoi |
| 2007 | ICDAR | Logical Structure Analysis for Form Images with Arbitrary Layout by Belief Propagation. | Akihiro Minagawa, Yusaku Fujii, Hiroaki Takebe, Katsuhito Fujimoto |
| 2007 | ICDAR | Degraded Character Recognition by Complementary Classifiers Combination. | Jun Sun, Kaizhu Huang, Yoshinobu Hotta, Katsuhito Fujimoto, Satoshi Naoi |
| 2007 | ICDAR | A Multi-Stage Strategy to Perspective Rectification for Mobile Phone Camera-Based Document Images. | Xu-Cheng Yin, Jun Sun, Satoshi Naoi, Katsuhito Fujimoto, Yusaku Fujii, Koji Kurokawa, Hiroaki Takebe |
| 2006 | ICONIP | A Hybrid Handwritten Chinese Address Recognition Approach. | Kaizhu Huang, Jun Sun, Yoshinobu Hotta, Katsuhito Fujimoto, Satoshi Naoi, Chong Long, Li Zhuang, Xiaoyan Zhu |
| 2001 | ICDAR | A Ruled-Line Extraction Method for Digital Camera Images. | Katsuhito Fujimoto, Atsuko Ohara, Satoshi Naoi |
| 1999 | ICDAR | High-speed, High-accuracy Binarization Method for Recognizing Text in Images of Low Spatial Resolutions. | Hiroshi Kamada, Katsuhito Fujimoto |