Rintaro Otsubo / 大坪 麟太郎

I’m a first year master’s student in HVRL at Keio University (Japan), under the supervision of Prof. Hideo Saito. Currently I am collaborating with Prof. Min Xu at Carnegie Mellon University. I received my Bachelor’s degree in Computer Science from Keio University in 2025, and studied at RWTH Aachen University as an exchange student from 2023 to 2024.

My research focuses on computer vision and machine learning, currently I’m working on few-shot learning.

Research Experience

HVRL logo

Hyper Vision Research Laboratory, Keio University, Japan, Apr. 2024 – Present
Supervisor: Prof. Hideo Saito,
Research Topics: Video Analysis, Multi-Object Tracking, Sports Vision


CMU logo

Xu Lab, Carnegie Mellon University, USA, Aug. 2025 – Present
Collaboration with: Prof. Min Xu,
Research Topics: Few-shot Learning, Bio-medical Image Analysis


Publications

  • Players Tracking and Identification for Minimap Generation in American Football,
    Rintaro Otsubo, Kazami Ishii, Hideo Saito, ACM MMSports 2025

  • Hand-Held Multi-Object Tracking Dataset in American Football,
    Rintaro Otsubo, Kanta Sawafuji, Hideo Saito, ACM MMSports 2025

  • SoccerNet 2025 Challenges Results,
    Silvio Giancola et al,
    Ranked 5th in SoccerNet 2025 Monocular Depth Estimation Challenge @ CVPR

Domestic Conference (Japanese)

  • 手持ちカメラで撮影されたアメリカンフットボール映像からの複数人物追跡,
    大坪麟太郎, 澤藤幹太, 斎藤英雄, 画像の認識・理解シンポジウムMIRU 2025

  • アメリカンフットボールの試合映像を用いた選手視点からの試合状況のVR再現,
    澤藤幹太, 大坪麟太郎, 斎藤英雄, 映像情報メディア学会2025年年次大会

  • サッカーネットチャレンジ2025におけるセグメンテーションを用いた単眼深度推定の改善,
    阿部智樹, 影山雄士, 井辻陸, 大坪麟太郎, 澤藤幹太, 栗原拓也, 斎藤英雄, 映像情報メディア学会2025年年次大会

Scholarship

  • KLL (Keio Leading-edge Laboratory of Science and Technology) Master’s Research Grant
  • Japan Student Organization (for the exchange program)

Academic Service

  • Reviewer for ACM MM workshop

Work Experience

hicrea logo Hicrea Co.Ltd, Tokyo, Japan May. 2024 – Present
Co-founder, ML Engineer