Shiro Oka

According to our database, Shiro Oka authored at least 9 papers between 2018 and 2025.

Collaborative distances:

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

2025

An Automatic Segmentation Method for Lesion Areas in Full-screen NBI Colorectal Endoscopy Using Deep Learning.

Yongfei Wu, Daisuke Katayama, Tetsushi Koide, Toru Tamaki, Shigeto Yoshida, Shin Morimoto, Shiro Oka, Shinji Tanaka

IEICE Trans. Inf. Syst., 2025

2024

NeRF-based multi-frame 3D integration for 3D endoscopy using active stereo.

Ryo Furukawa, Ryusuke Sagawa, Shiro Oka, Hiroshi Kawasaki

Proceedings of the 46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2024

2023

Multi-frame optimisation for active stereo with inverse renderingto obtain consistent shape and projector-camera posesfor 3D endoscopic system.

Ryo Furukawa, Michihiro Mikamo, Ryusuke Sagawa, Yuki Okamoto, Shiro Oka, Shinji Tanaka, Hiroshi Kawasaki

Comput. methods Biomech. Biomed. Eng. Imaging Vis., July, 2023

Single and multi-frame auto-calibration for 3D endoscopy with differential rendering.

Ryo Furukawa, Ryusuke Sagawa, Shiro Oka, Shinji Tanaka, Hiroshi Kawasaki

Proceedings of the 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2023

2022

Simultaneous estimation of projector and camera poses for multiple oneshot scan using pixel-wise correspondences estimated by U-Nets and GCN.

Ryo Furukawa, Michihiro Mikamo, Hiroshi Kawasaki, Ryusuke Sagawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka

Comput. methods Biomech. Biomed. Eng. Imaging Vis., 2022

3D endoscope system with AR display superimposing dense and wide-angle-of-view 3D points obtained by using micro pattern projector.

Michihiro Mikamo, Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

2021

Active Stereo Method for 3D Endoscopes using Deep-layer GCN and Graph Representation with Proximity Information.

Michihiro Mikamo, Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2021

2020

Fully Auto-calibrated Active-stereo-based 3D Endoscopic System using Correspondence Estimation with Graph Convolutional Network.

Ryo Furukawa, Shiro Oka, Takahiro Kotachi, Yuki Okamoto, Shinji Tanaka, Ryusuke Sagawa, Hiroshi Kawasaki

Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

2018

Wide-Area Shape Reconstruction by 3D Endoscopic System Based on CNN Decoding, Shape Registration and Fusion.

Ryo Furukawa, Masaki Mizomori, Shinsaku Hiura, Shiro Oka, Shinji Tanaka, Hiroshi Kawasaki

Proceedings of the OR 2.0 Context-Aware Operating Theaters, Computer Assisted Robotic Endoscopy, Clinical Image-Based Procedures, - and - Skin Image Analysis, 2018