Keiji Shimada

According to our database, Keiji Shimada authored at least 6 papers between 2009 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Impact of physical layer attacks on phase-encrypted optical signals in coherent communication systems.

Keiji Shimada, Takahiro Kodama

Photonic Netw. Commun., February, 2026

2024

Double-link-failure-tolerant shared protection for fully coupled/half-split switchable point-to-multipoint coherent optical systems.

Takahiro Kodama, Tomoya Nakagawa, Shota Eguchi, Keiji Shimada, Ryosuke Matsumoto

J. Opt. Commun. Netw., 2024

2022

C-Band Downlink Coherent System Assisted TWDM-PON System with Type B Protection and Dual-DSP Collaborative SIMO.

Shota Eguchi, Tomoya Nakagawa, Mizuki Inagaki, Keiji Shimada, Takahiro Kodama

Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022

2011

Estimation of Driver's Arousal State Using Multi-dimensional Physiological Indices.

Mieko Ohsuga, Yoshiyuki Kamakura, Yumiko Inoue, Yoshihiro Noguchi, Keiji Shimada, Masami Mishiro

Proceedings of the Engineering Psychology and Cognitive Ergonomics, 2011

2010

Appearance-Based Smile Intensity Estimation by Cascaded Support Vector Machines.

Keiji Shimada, Tetsu Matsukawa, Yoshihiro Noguchi, Takio Kurita

Proceedings of the Computer Vision - ACCV 2010 Workshops, 2010

2009

The Assessment of Driver's Arousal States from the Classification of Eye-Blink Patterns.

Yoshihiro Noguchi, Keiji Shimada, Mieko Ohsuga, Yoshiyuki Kamakura, Yumiko Inoue

Proceedings of the Engineering Psychology and Cognitive Ergonomics, 2009