A Technique of Mathematical Expression Structure Analysis for the Handwriting Input System. - Ryoji Fukuda; Sou I; Fumikazu Tamari; Xie Ming; Masakazu Suzuki (ICDAR, 1999)

INFTY: an integrated OCR system for mathematical documents. - Masakazu Suzuki; Fumikazu Tamari; Ryoji Fukuda; Seiichi Uchida; Toshihiro Kanahori (ACM Symposium on Document Engineering, 2003)

Handwriting Input System of Graphs for Barrier-Free Mathematical Communications. - Ryoji Fukuda; Masanori Yo; Taichi Kawahara (ICCHP, 2004)

Graphic Editor for Visually Impaired Users. - Atsushi Nishi; Ryoji Fukuda (ICCHP, 2006)

Monte-Carlo Simulation of Error Sort Model. - Ryoji Fukuda; Kaoru Oka (NL-MUA, 2011)

Expression Rules of Directed Graphs for Non-visual Communication. - Ryoji Fukuda (ICCHP (1), 2012)

Comparison of Baselines in Extraction of F-Responses. - Ryoji Fukuda; Aoi Honda; Akiko Hachisuka; Kenji Hachisuka (J. Adv. Comput. Intell. Intell. Informatics, 2013)

Rescaling for Evaluations Using Inclusion-Exclusion Integral. - Aoi Honda; Ryoji Fukuda; Jun Okamoto (IPMU (1), 2014)

Constructive k-Additive Measure and Decreasing Convergence Theorems. - Ryoji Fukuda; Aoi Honda; Yoshiaki Okazaki (MDAI, 2020)

On Two Generalizations for k-Additivity. - Ryoji Fukuda; Aoi Honda; Yoshiaki Okazaki (MDAI, 2021)

Non-discrete k-order additivity of a set function and distorted measure. - Aoi Honda; Ryoji Fukuda; Yoshiaki Okazaki (Fuzzy Sets Syst., 2022)

Constructive Set Function and Extraction of a k-dimensional Element. - Ryoji Fukuda; Aoi Honda; Yoshiaki Okazaki (MDAI, 2023)

Suitable Lp spaces for a k-additive set function. - Ryoji Fukuda; Aoi Honda; Yoshiaki Okazaki (Fuzzy Sets Syst., 2023)

An Axiomatic Definition of Non-discrete Möbius transform. - Ryoji Fukuda; Aoi Honda; Yoshiaki Okazaki (MDAI, 2024)

Measurable Closure of a Finitely-Additive Measure Space: An Analysis of Spaces Similar to Stone Spaces. - Ryoji Fukuda; Yoshiaki Okazaki; Aoi Honda (MDAI, 2025)