A Method for Watermarking to Bezier Polynomial Surface Models. - Hiroshi Nagahashi; Rikima Mitsuhashi; Ken'ichi Morooka (IEICE Trans. Inf. Syst., 2004)

High-Accuracy Malware Classification with a Malware-Optimized Deep Learning Model. - Rikima Mitsuhashi; Takahiro Shinagawa (CoRR, 2020)

Identifying Malicious DNS Tunnel Tools from DoH Traffic Using Hierarchical Machine Learning Classification. - Rikima Mitsuhashi; Akihiro Satoh; Yong Jin 001; Katsuyoshi Iida; Takahiro Shinagawa; Yoshiaki Takai (ISC, 2021)

Exploring Optimal Deep Learning Models for Image-based Malware Variant Classification. - Rikima Mitsuhashi; Takahiro Shinagawa (COMPSAC, 2022)

Deriving optimal deep learning models for image-based malware classification. - Rikima Mitsuhashi; Takahiro Shinagawa (SAC, 2022)

Detection of DGA-based Malware Communications from DoH Traffic Using Machine Learning Analysis. - Rikima Mitsuhashi; Yong Jin 001; Katsuyoshi Iida; Takahiro Shinagawa; Yoshiaki Takai (CCNC, 2023)

Malicious DNS Tunnel Tool Recognition Using Persistent DoH Traffic Analysis. - Rikima Mitsuhashi; Yong Jin 001; Katsuyoshi Iida; Takahiro Shinagawa; Yoshiaki Takai (IEEE Trans. Netw. Serv. Manag., 2023)

Ensemble Malware Classifier Considering PE Section Information. - Ren Takeuchi; Rikima Mitsuhashi; Masakatsu Nishigaki; Tetsushi Ohki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Study of Appropriate Information Combination in Image-based Obfuscated Malware Detection. - Tetsuro Takahashi; Rikima Mitsuhashi; Masakatsu Nishigaki; Tetsushi Ohki (DSN-S, 2025)

DGA-Based Malware Communication Detection from DoH Traffic Using Hierarchical Machine Learning Analysis. - Rikima Mitsuhashi; Yong Jin 001; Katsuyoshi Iida; Yoshiaki Takai (IEICE Trans. Inf. Syst., 2025)