Handwritten numeral recognition with the improved LDA method. - Takahiko Kawatani; Hiroyuki Shimizu; Marc McEachern (ICPR, 1996)

Complementary Classifier Design Using Difference Principal Components. - Takahiko Kawatani; Hiroyuki Shimizu (ICDAR, 1997)

Handwritten Kanji recognition with the LDA method. - Takahiko Kawatani; Hiroyuki Shimizu (ICPR, 1998)

Construction of Large-Scale Virtual Environment by Fusing Range Data, Texture Images, and Airborne Altimetry Data. - Conny Riani Gunadi; Hiroyuki Shimizu; Kazuya Kodama; Kiyoharu Aizawa (3DPVT, 2002)

Education and Health Promotion in Remote Area Using a Video Conference System, a Satellite, and a Cable Television Network. - Toshihiro Utsugi; Hiroyuki Shimizu; Tetsuo Sakamaki; Toshio Umemoto; Sumio Murase; Yoshihide Ikeyama (AMIA, 2002)

Three dimensional modeling of large-scale real environment by fusing range data, texture images, and airborne altimetry data. - Kiyoharu Aizawa; Conny Riani Gunadi; Hiroyuki Shimizu; Kazuya Kodama (ICIP (2), 2002)

Non Line-of-Sight Microwave Propagation Characterization for Personal Communications with High-Tier Base Station Antenna. - Kozo Sakawa; Hironari Masui; Masanori Ishii; Hiroyuki Shimizu; Takehiko Kobayashi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Effects of Road Traffic on Probability Distributions of Path-Loss in an Urban Microcellular Environment. - Hiroyuki Shimizu; Hironari Masui; Masanori Ishii; Kozo Sakawa; Takehiko Kobayashi; Makoto Abo; Chikao Nagasawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

The realities of Free/Libre/Open Source Software developers in Japan and Asia. - Hiroyuki Shimizu; Jun Iio; Kazuo Hiyane (First Monday, 2004)

High-Accuracy Comparison of Lightning and Switching Impulse Calibrators. - Takayuki Wakimoto; Jari K. Hällström; Yury Chekurov; Masaru Ishii; Wolfgang Lucas; Jukka Piiroinen; Hiroyuki Shimizu (IEEE Trans. Instrum. Meas., 2007)

Proposal for Solving Incompatibility Problems between Open-Source and Proprietary Web Browsers. - Jun Iio; Hiroyuki Shimizu; Hisayoshi Sasaki; Akihiro Matsumoto (OSS, 2010)

Pirka'r: Tool for Web Designers - Supporting Development of Multi-platform Web Application. - Jun Iio; Hiroyuki Shimizu; Hisayoshi Sasaki; Akihiro Matsumoto (WEBIST (2), 2010)

Parameters determination for a.c. voltage and current waveforms: IEC 61083-4 TDG Waveform analyses. - Shuji Sato; Yuya Saikawa; Yoshifumi Okamoto; Seisuke Nishimura; Hiroyuki Shimizu (A-SSCC, 2012)

Inferring fracture forming processes by characterizing fracture network patterns with persistent homology. - Anna Suzuki; M. Miyazawa; Atsushi Okamoto; Hiroyuki Shimizu; Ippei Obayashi; Yasuaki Hiraoka; Takeshi Tsuji; Patricia K. Kang; Takatoshi Ito (Comput. Geosci., 2020)

Drone Flight Experiment using RTK Positioning for Pear Pollination. - Naoki Yamada; Takefumi Hiraguri; Hiroyuki Shimizu; Tomotaka Kimura; Tomohito Shimada; Akane Shibasaki; Yoshihiro Takemura (ICCE-Taiwan, 2023)

Autonomous Drone-Based Pollination System Using AI Classifier to Replace Bees for Greenhouse Tomato Cultivation. - Takefumi Hiraguri; Hiroyuki Shimizu; Tomotaka Kimura; Takahiro Matsuda 001; Kazuki Maruta; Yoshihiro Takemura; Takeshi Ohya; Takuma Takanashi (IEEE Access, 2023)

AI camera development sutitable for tomato harvest timing estimation. - Yasuhiro Okabe; Takefumi Hiraguri; Keita Endo; Hiroyuki Shimizu; Tomotaka Kimura; Naoki Yamada (ICCE-Taiwan, 2024)