Akihisa Watanabe

I am a first-year Master's student in Computer Science at Waseda University in the Simo-Serra Lab, advised by Prof. Edgar Simo-Serra. I received my B.Eng. in Applied Mechanics and Aerospace Engineering, with a minor in Computer Science, from Waseda University.

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News

• Feb. 2026: Two papers (one as 1st, one as 2nd author) have been accepted to CVPR 2026! 🎉
• Oct. 2025: Completed research internship at LY Corporation with Dr. Kent Fujiwara and Dr. Qing Yu.
• Oct. 2023: Open-Domain Dialogue Quality Evaluation: Deriving Nugget-level Scores from Turn-level Scores accepted to SIGIR Asia 2023.

Blog Posts

• JiT for Motion Diffusion Models

Publications

1. ProjFlow: Projection Sampling with Flow Matching for Zero-Shot Exact Spatial Motion Control
   Akihisa Watanabe, Qing Yu, Edgar Simo-Serra, Kent Fujiwara. CVPR 2026.
   paper
2. Causal Motion Diffusion Models for Autoregressive Motion Generation
   Qing Yu, Akihisa Watanabe, Kent Fujiwara. CVPR 2026.
   paper
3. SimDiff: Simulator-constrained Diffusion Model for Physically Plausible Motion Generation
   Akihisa Watanabe, Jiawei Ren, Li Siyao, Erwin Wu, Yichen Peng, Edgar Simo-Serra. arXiv.
   paper / website
4. Open-Domain Dialogue Quality Evaluation: Deriving Nugget-level Scores from Turn-level Scores
   Rikiya Takehi, Akihisa Watanabe, Tetsuya Sakai. ACM SIGIR Asia '23.
   paper / slide

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