A relaxational extracting method for character recognition in scene images. - Jun Ohya; Akio Shio; Shigeru Akamatsu (CVPR, 1988)

An automatic thresholding algorithm based on an illumination-independent contrast measure. - Akio Shio (CVPR, 1989)

Robust object extraction using normalized principal component features. - Eisaku Maeda; Hisako Tanaka; Akio Shio; Kenichiro Ishii (ICPR (3), 1992)

Character Extraction from Gray Images Based on Mathematical Morphology. - Yasuko Takahashi; Akio Shio; Kenichiro Ishii (MVA, 1992)

Structure from image sequences captured through a monocular extra-wide angle lens. - Kouichi Kato; Tadashi Nakanishi; Akio Shio; Kenichiro Ishii (CVPR, 1994)

Recognizing Characters in Scene Images. - Jun Ohya; Akio Shio; Shigeru Akamatsu (IEEE Trans. Pattern Anal. Mach. Intell., 1994)

Automatic vehicle image extraction based on spatio-temporal image analysis. - Tadashi Nakanishi; Akio Shio; Kenichiro Ishii (Syst. Comput. Jpn., 1995)

A prototype system for interpreting hand-sketched floor plans. - Yasuhiro Aoki; Akio Shio; Hiroyuki Arai; Kazumi Odaka (ICPR, 1996)

Dynamic Shadow Compensation of Aerial Images Based on Color and Spatial Analysis. - Akira Suzuki; Akio Shio; Hiroyuki Arai; Sakuichi Ohtsuka (ICPR, 2000)

Sketch Plan: A prototype system for interpreting hand-sketched floor plans. - Akio Shio; Yasuhiro Aoki (Syst. Comput. Jpn., 2000)

License plate recognition using gray image template matching with noise reduction filters and character alignment. - Yasuko Takahashi; Hisako Tanaka; Akira Suzuki; Akio Shio; Sakuichi Ohtsuka (Syst. Comput. Jpn., 2007)

Fingerprint verification using ridge direction distribution and minutiae correspondence. - Toru Wakahara; Yoshimasa Kimura; Akira Suzuki; Akio Shio; Mutsuo Sano (Syst. Comput. Jpn., 2007)