A new asynchronous group demodulator with complex multi-rate filter bank. - Ryohei Tanaka; Minoru Okada; Shinsuke Hara; Norihiko Morinaga (PIMRC, 1996)

Construction of Virtual Working Environment and Evaluation of the Workers. - Kageyu Noro; Ryohei Tanaka (ER (Workshops), 2001)

Bistatic GPR by using an optical electric field sensor. - Seong-Jun Cho; Ryohei Tanaka; Motoyuki Sato (IGARSS, 2005)

Parametric stylized highlight for character animation based on 3D scene data. - Ryohei Tanaka; Yuki Morimoto; Hideki Todo; Tokiichiro Takahashi (SIGGRAPH Posters, 2014)

Attracting User's Attention in Spherical Image by Angular Shift of Virtual Camera Direction. - Ryohei Tanaka; Takuji Narumi; Tomohiro Tanikawa; Michitaka Hirose (SUI, 2015)

Guidance field: Potential field to guide users to target locations in virtual environments. - Ryohei Tanaka; Takuji Narumi; Tomohiro Tanikawa; Michitaka Hirose (3DUI, 2016)

Motive compass: Navigation interface for locomotion in virtual environments constructed with spherical images. - Ryohei Tanaka; Takuji Narumi; Tomohiro Tanikawa; Michitaka Hirose (3DUI, 2016)

Crowd-Cloud Window to the Past: Constructing a Photo Database for On-Site AR Exhibitions by Crowdsourcing. - Sohei Osawa; Ryohei Tanaka; Takuji Narumi; Tomohiro Tanikawa; Michitaka Hirose (HCI (5), 2016)

Increasing User Appreciation of Spherical Videos by Finger Touch Interaction. - Yuta Sakakibara; Ryohei Tanaka; Takuji Narumi; Tomohiro Tanikawa; Michitaka Hirose (HCI (4), 2016)

Guidance field: vector field for implicit guidance in virtual environments. - Ryohei Tanaka; Takuji Narumi; Tomohiro Tanikawa; Michitaka Hirose (SIGGRAPH Emerging Technologies, 2016)

Navigation interface for virtual environments constructed with spherical images. - Ryohei Tanaka; Takuji Narumi; Tomohiro Tanikawa; Michitaka Hirose (VR, 2016)

Fast Distributional Smoothing for Regularization in CTC Applied to Text Recognition. - Ryohei Tanaka; Soichiro Ono; Akio Furuhata (ICDAR, 2019)

Text-Conditioned Character Segmentation for CTC-Based Text Recognition. - Ryohei Tanaka; Kunio Osada; Akio Furuhata (ICDAR (3), 2021)