Analysis and improvement of correlation-based watermarking methods for digital images. - Akio Miyazaki; Akihiro Okamoto (ISCAS (3), 2002)

Analysis of Watermarking Systems in the Frequency Domain and Its Application to Design of Robust Watermarking Systems. - Akio Miyazaki; Akihiro Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Proposal of Spatiotemporal Data Extraction and Visualization System Based on Wikipedia for Application to Earth Science. - Akihiro Okamoto; Shohei Yokoyama; Naoki Fukuta; Hiroshi Ishikawa 004 (ACIS-ICIS, 2010)

A Binarization Method for Degraded Document Images with Morphological Operations. - Akihiro Okamoto; Hiromi Yoshida; Naoki Tanaka (MVA, 2013)

Development of a new operating system software for a hovering-type autonomous underwater vehicle HOBALIN. - Takahiro Seta; Akihiro Okamoto; Shogo Inaba; Masahiko Sasano (ASCC, 2017)

Development of Testbed AUV for Formation Control and its Fundamental Experiment in Actual Sea Model Basin. - Akihiro Okamoto; Motonobu Imasato; Shunka C. Hirao; Hidenori Sekiguchi; Takahiro Seta; Masahiko Sasano; Toshifumi Fujiwara (J. Robotics Mechatronics, 2021)

Stereo-vision-based AUV navigation system for resetting the inertial navigation system error. - Horng-Yi Hsu; Yuichiro Toda; Kohei Yamashita; Keigo Watanabe; Masahiko Sasano; Akihiro Okamoto; Shogo Inaba; Mamoru Minami (Artif. Life Robotics, 2022)

Architecting data-driven microbial electrochemistry from scratch. - Waheed Miran; Gaku Imamura; Akihiro Okamoto (Patterns, 2022)

Multivariate landscapes constructed by Bayesian estimation over five hundred microbial electrochemical time profiles. - Waheed Miran; Wenyuan Huang; Xizi Long; Gaku Imamura; Akihiro Okamoto (Patterns, 2023)

Development of Formation Control System for Multiple AUVs with Sonar Interference Avoidance Function. - Akihiro Okamoto; Masahiko Sasano; Kangsoo Kim; Toshifumi Fujiwara (J. Robotics Mechatronics, 2024)