| 2015 | MVA | Color image processing from the physical, psychological, and biological viewpoints. | Johji Tajima |
| 2010 | ICPR | Content-Adaptive Automatic Image Sharpening. | Tatsuya Kobayashi, Johji Tajima |
| 2002 | ICPR | A Fast and Precise System for Taking High-Density Human Head Measurements with Surrounding Range Finders. | Atsushi Marugame, Shizuo Sakamoto, Tomohiro Yoshinaga, Kazuyori Miyaoka, Osami Fujimori, Yoshinobu Yamada, Yoshihide Kitano, Harumi Kabano, Weiqing Tong, Johji Tajima |
| 2000 | ICPR | Consideration and Experiments on Object Spectral Reflectance for Color Sensor Evaluation/Calibration. | Johji Tajima |
| 2000 | MVA | A New Face Recognition System with Robustness against Illumination Changes. | Rui Ishiyama, Shizuo Sakamoto, Johji Tajima |
| 1999 | ICIP | Color Matching Algorithm Based on Computational 'Color Constancy' Theory. | Masato Tsukada, Johji Tajima |
| 1997 | ICIP | Selective Color Correction for Arbitrary Hues. | Akira Inoue, Johji Tajima |
| 1992 | MVA | Adaptive Image Sharpening Method Using Edge Sharpness. | Akira Inoue, Johji Tajima |
| 1992 | MVA | Extracting Feature Points on Human Eye Photographs. | Shizuo Sakamoto, Yoko Miyao, Johji Tajima |
| 1990 | ICPR | 3-D data acquisition by Rainbow Range Finder. | Johji Tajima, Masato Iwakawa |