Yusen Peng

CSE PhD at The Ohio State University

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Contact: peng.1007@osu.edu

I am Yusen Peng, an incoming CSE PhD student at The Ohio State University (OSU), starting in Fall 2026. I am fortunate to have been advised by Dr. Sachin Kumar since my senior year as an undergraduate student at OSU 🌰!

My research interest is primarily multimodal LLMs with a specific focus on efficiency. I am currently working on dynamic image tokenization and adaptive token merging to make vision language models (e.g., LLaVA, QwenVL) more efficient.

Previously, I earned my B.S. in Computer Science and Engineering from The Ohio State University with Summa Cum Laude and Honor Research Distinction. I completed my undergrduate thesis under the supervision of Dr. Alper Yilmaz.

Outside of research, I often do guitar recordings on my Instagram! I also enjoy kpop music from my favorite group - Le Sserafim (르세라핌).

“Act like an angel and dress like crazy.” - Kim Chaewon

CV | Google Scholar | Github


News

Dec 2025 received Honorable Mention for CRA Outstanding Undergraduate Researcher Award!
Sep 2025 CE-Bench is accepted at EMNLP blackbox workshop 2025!
Jun 2025 received $2,200 Undergraduate Research Scholarship at OSU!

Publications

  1. EMNLP
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    CE-Bench: Towards a Reliable Contrastive Evaluation Benchmark of Interpretability of Sparse Autoencoders
    Alex Gulko*, Yusen Peng*, and Sachin Kumar
    Proceedings of the 8th BlackboxNLP Workshop: Analyzing and Interpreting Neural Networks for NLP, 2025
  2. arXiv
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    CascadeFormer: A Family of Two-stage Cascading Transformers for Skeleton-based Human Action Recognition
    Yusen Peng and Alper Yilmaz
    arXiv, 2025
  3. Under Review
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    pytskit: A Comprehensive Time Series Toolkit
    Fan Yang, Yusen Peng, Tomasz Frelek, Frank Li, Qiao Xiao, and 2 more authors
    Under Review at JMLR, 2026
  4. Under Review
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    SVD^3: Singular Value Decomposition for Visual Geometry Model Compression
    Yusen Peng, Haoxuan Wang, Jiachen Tao, and Yan Yan
    Under Review at ECCV, 2026