About · Ryosei Hara

I am a second-year Master’s student at Keio University, studying in the Isogawa Lab. I major in Computer Vision and Deep Learning. I received my Bachelor’s degree in Engineering from Keio University in 2025.

Research Interests

Hand-related topics (e.g., hand pose estimation, hand-object interaction)
Egocentric vision
Event-based vision

News

Selected Publications

2026

Journal

EventEgoHands++: Event-based Egocentric 3D Hand Mesh Reconstruction with Real Dataset

Hara, Ryosei and Ikeda, Wataru and Hatano, Masashi and Isogawa, Mariko

IEEE Access, 2026

Project Code

@article{hara2026eventegohands2,
  author = {Hara, Ryosei and Ikeda, Wataru and Hatano, Masashi and Isogawa, Mariko},
  journal = {IEEE Access},
  title = {EventEgoHands++: Event-based Egocentric 3D Hand Mesh Reconstruction with Real Dataset},
  year = {2026},
  volume = {},
  number = {},
}

Conference CVPR 2026
Ghost-FWL: A Large-Scale Full-Waveform LiDAR Dataset for Ghost Detection and Removal

Ikeda*, Kazuma and Hara*, Ryosei and Nagata, Rokuto and Sako, Ozora and Ding, Zihao and Kado, Takahiro and Fujioka, Ibuki and Beppu, Taro and Isogawa, Mariko and Yoshioka, Kentaro

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026

(Top Conference in Computer Vision, h5-index=450, Acceptance Rate: 25.42%)
^* Equal contribution

Project Paper Supp Code arXiv Video
@inproceedings{ikeda2026ghostfwl, title = {Ghost-FWL: A Large-Scale Full-Waveform LiDAR Dataset for Ghost Detection and Removal}, author = {Ikeda*, Kazuma and Hara*, Ryosei and Nagata, Rokuto and Sako, Ozora and Ding, Zihao and Kado, Takahiro and Fujioka, Ibuki and Beppu, Taro and Isogawa, Mariko and Yoshioka, Kentaro}, booktitle = {IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)}, year = {2026}, pages = {17164-17173}, }

Preprint

Hand Visibility Detector: Per-Keypoint Visibility Estimation for Hands

Hara, Ryosei and Hatano, Masashi and Yanagi, Rintaro and Hashimoto, Atsushi and Yagi, Takuma and Isogawa, Mariko

2026

Code arXiv Demo

@misc{hara2026handvisibilitydetector,
  title = {Hand Visibility Detector: Per-Keypoint Visibility Estimation for Hands},
  author = {Hara, Ryosei and Hatano, Masashi and Yanagi, Rintaro and Hashimoto, Atsushi and Yagi, Takuma and Isogawa, Mariko},
  year = {2026},
  eprint = {2608.11574},
  archiveprefix = {arXiv},
  primaryclass = {cs.CV},
  url = {https://arxiv.org/abs/2608.11574},
}