Kei Watanabe

24 papers A* 2A 4B 1C 1Journal 7Unranked 9
YearRankTypeTitle / Venue / Authors
2026 C conf
Toe Grip Strength Training Application for Preventing Falls Among the Elderly.
ICCE
Ayumi Miyazawa, Daichi Fukui, Kei Watanabe, Namiko Koreishi, Mutsuhiro Nakashige
2024 J jnl
An easy-to-implement, non-invasive head restraint method for monkey fMRI.
NeuroImage
Reiji Tanaka, Kei Watanabe, Takafumi Suzuki, Kae Nakamura, Masaharu Yasuda, Hiroshi Ban, Ken-ichi Okada, Shigeru Kitazawa
2023 — conf
Experimental Demonstration of Cascadable PPLN-Based Inter-Band Wavelength Converters for Band-Switchable Multi-Band Optical Cross-Connect.
OFC
Haruka Minami, Kenta Hirose, Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Koji Enbutsu, Kei Watanabe, Takeshi Umeki, Takashi Miyamura, Takeshi Kuwahara
2023 J jnl
S-Band WDM Transmission Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers.
IEICE Trans. Commun.
Tomoyuki Kato, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Kei Watanabe, Yutaka Miyamoto
2022 — conf
50-Tb/s (1 Tb/s × 50 ch) WDM Transmission on Two 6.25-THz Bands Using Hybrid Inline Repeater of PPLN-based OPAs and Incoherent-forward-pumped DRA.
OFC
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, Junji Yoshida, Shigehiro Takasaka, Yasuto Tatamida, Hiroto Kawakami, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Kei Watanabe, Takashi Saida, Yutaka Miyamoto
2022 — conf
Generation of Carrier-Synchronized PDM Signal-Idler Pair for Polarization-Independent Phase-Sensitive Amplification.
OECC/PSC
Shimpei Shimizu, Takushi Kazama, Takeshi Umeki, Takayuki Kobayashi, Koji Enbutsu, Kei Watanabe, Yutaka Miyamoto
2022 — conf
Mitigation of Intercore Crosstalk Impact with PPLN-based Optical Spectrum Inversion.
OECC/PSC
Megumi Hoshi, Kohki Shibahara, Shimpei Shimizu, Takayuki Kobayashi, Takeshi Umeki, Takushi Kazama, Kei Watanabe, Takayoshi Mori, Yusuke Yamada, Kazuhide Nakajima, Yutaka Miyamoto
2022 — conf
Silica-PLC based mode-dependent-loss equalizer for two LP mode transmission.
OFC
Takeshi Fujisawa, Takayoshi Mori, Junji Sakamoto, Yoko Yamashita, Taiji Sakamoto, Ryota Imada, Ryoto Ima, Takanori Sato, Kei Watanabe, Ryoichi Kasahara, Toshikazu Hashimoto, Kazuhide Nakajima, Kunimasa Saitoh
2022 — conf
WDM Transmission in S-Band Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers.
OECC/PSC
Tomoyuki Kato, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Kei Watanabe, Yutaka Miyamoto
2019 A conf
Japanese Character Segmentation for Historical Handwritten Official Documents Using Fully Convolutional Networks.
ICDAR
Kei Watanabe, Shinji Takahashi, Yuki Kamaya, Masashi Yamada, Yoshito Mekada, Jun-ichi Hasegawa, Shinya Miyazaki
2015 J jnl
Feedback Loop Analysis and Optimized Compensation Slope of the Current-Mode Buck DC-DC Converter in DCM.
IEEE Trans. Circuits Syst. I Regul. Pap.
Yasuhiro Sugimoto, Toru Sai, Kei Watanabe, Mikio Abe
2014 — conf
A fast and precise circuit simulation method for switching power converters using a mixture of circuits and behavioral models.
APCCAS
Kei Watanabe, Mikio Abe, Toru Sai, Yasuhiro Sugimoto
2011 J jnl
Wide-bandwidth, low-waveguide-width-sensitivity InP-based multimode interference coupler designed by wavefront matching method.
IEICE Electron. Express
Takeshi Fujisawa, Tsutomu Kitoh, Kei Watanabe, Kenya Suzuki, Masaki Kotoku, Hiroshi Takahashi
2009 B conf
Human factors studies in information support development for human-robot collaborative cellular manufacturing system.
RO-MAN
Jeffrey Too Chuan Tan, Ye Zhang, Feng Duan, Kei Watanabe, Ryu Kato, Tamio Arai
2009 A conf
Human-robot collaboration in cellular manufacturing: Design and development.
IROS
Jeffrey Too Chuan Tan, Feng Duan, Ye Zhang, Kei Watanabe, Ryu Kato, Tamio Arai
2008 A conf
A visual-servo-based assistant system for unmanned helicopter control.
IROS
Kei Watanabe, Yasushi Iwatani, Kenichiro Nonaka, Koichi Hashimoto
2008 — conf
Analyzing human skill through control trajectories and motion capture data.
CASE
Feng Duan, Ye Zhang, Nuttapol Pongthanya, Kei Watanabe, Hiroshi Yokoi, Tamio Arai
2008 J jnl
Image-Based Visual PID Control of a Micro Helicopter Using a Stationary Camera.
Adv. Robotics
Kei Watanabe, Yuta Yoshihata, Yasushi Iwatani, Koichi Hashimoto
2008 A* conf
Visual tracking with occlusion handling for visual servo control.
ICRA
Yasushi Iwatani, Kei Watanabe, Koichi Hashimoto
2007 — conf
Analyze assembly skills using a motion simulator.
ROBIO
Feng Duan, Jeffrey Too Chuan Tan, Ye Zhang, Kei Watanabe, Nuttapol Pongthanya, Masao Sugi, Hiroshi Yokoi, Tamio Arai
2007 J jnl
Development of Obstacle Recognition System of Humanoids Using Relative Disparity Maps from Small Range Image Sensors.
J. Robotics Mechatronics
Naotaka Hikosaka, Kei Watanabe, Kazunori Umeda
2007 A conf
Multi-camera visual servoing of a micro helicopter under occlusions.
IROS
Yuta Yoshihata, Kei Watanabe, Yasushi Iwatani, Koichi Hashimoto
2007 A* conf
Obstacle Detection of a Humanoid on a Plane Using a Relative Disparity Map Obtained by a Small Range Image Sensor.
ICRA
Naotaka Hikosaka, Kei Watanabe, Kazunori Umeda
2006 J jnl
Contributions of prefrontal cue-, delay-, and response-period activity to the decision process of saccade direction in a free-choice ODR task.
Neural Networks
Kei Watanabe, Saori Igaki, Shintaro Funahashi