A New Optimum Detection Scheme for Additive Watermarks Embedded in Spatial Domain. - Maki Yoshida; Takaaki Fujita; Toru Fujiwara (IIH-MSP, 2006)

A New Scheme to Realize the Optimum Watermark Detection for the Additive Embedding Scheme with the Spatial Domain. - Takaaki Fujita; Maki Yoshida; Toru Fujiwara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Tangle and Ultrafilter: Game Theoretical Interpretation. - Takaaki Fujita; Koichi Yamazaki (Graphs Comb., 2020)

Reconsideration of Tangle and Ultrafilter using Separation and Partition. - Takaaki Fujita (CoRR, 2023)

Shote note: Revisiting Linear Width: Rethinking the Relationship Between Single Ideal and Linear Obstacle. - Takaaki Fujita (CoRR, 2023)

Exploring two concepts: branch decomposition and weak ultrafilter on connectivity system. - Takaaki Fujita (CoRR, 2023)

Revitalizing education through ict: a short overview of japan's current landscape. - Takaaki Fujita (CoRR, 2023)

Various Properties of Various Ultrafilters, Various Graph Width Parameters, and Various Connectivity Systems. - Takaaki Fujita (CoRR, 2024)

Advancing Uncertain Combinatorics through Graphization, Hyperization, and Uncertainization: Fuzzy, Neutrosophic, Soft, Rough, and Beyond. - Takaaki Fujita (CoRR, 2024)

Superhypergraph Neural Networks and Plithogenic Graph Neural Networks: Theoretical Foundations. - Takaaki Fujita (CoRR, 2024)

Video communication mitigate feelings of friendliness: A functional near-infrared spectroscopy study. - Noriki Yamaya; Hideaki Inagaki; Yuto Shimizu; Shinichi Mitsui; Kazuki Hirao; Senichiro Kikuchi; Takaaki Fujita; Kaori Shimoda; Fusae Tozato; Kenji Tsuchiya (NeuroImage, 2025)