Hi! I am Xiaohuan Pei (Terry) 😊, a second year PhD student at the University of Sydney, honorably supervised by Professor Chang Xu. I major in deep learning at the school of computer science.
Specialized Field: Efficiency, Vision Language Models, Vision Language Actions.
Recent Projects:
Future-aware Masking for Vision Language Inference,
Cross-Self Pruning with $nSoftmax$ (equivalent to GPT-OSS sink implementation released one year earlier).
📝 Recent Work

Action-aware Dynamic Pruning for Efficient Vision-Language-Action Manipulation
Xiaohuan Pei*, Yuxing Chen*, Siyu Xu, Yunke Wang, Yuheng Shi, Chang Xu

Self-Distilled RoI Predictors for Fine-Grained MLLM Perception
Yuheng Shi, Xiaohuan Pei, Minjing Dong, Chang Xu

Light Future-aware Masking for Vision-Language Inference
Xiaohuan Pei, Tao Huang, Yanxiang Ma, Chang Xu

Cross-Self KV Cache Pruning for Efficient Vision-Language Inference
Xiaohuan Pei, Tao Huang, Chang Xu

EfficientVMamba: Atrous Selective Scan for Light Weight Visual Mamba
Xiaohuan Pei, Tao Huang, Chang Xu
Proceedings of the AAAI Conference on Artificial Intelligence (AAAI), 2025

LocalMamba: Visual State Space Model with Windowed Selective Scan
Tao Huang, Xiaohuan Pei, Chang Xu
The European Conference on Computer Vision (ECCV), Workshop, 2024

Xiaohuan Pei, Yanxi Li, Minjing Dong, Chang Xu
The International Conference on Learning Representations (ICLR), 2024

GPT Self-Supervision for an Efficient Data Annotator
Xiaohuan Pei, Yanxi Li, Minjing Dong, Chang Xu
🧑🏻💻 Preprints
Action-aware Dynamic Pruning for Efficient Vision-Language-Action
Manipulation.
Xiaohuan Pei*, Yuxing Chen*, Siyu Xu, Yunke Wang, Yuheng Shi, Chang Xu
arXiv preprint [arXiv:2505.18605] (2025).
Rethinking Causal Mask Attention for Vision-Language Inference.
Xiaohuan Pei, Tao Huang, Yanxiang Ma, Chang Xu.
arXiv preprint [arXiv:2505.18605] (2025).
Cross-Self KV Cache Pruning for Efficient Vision-Language Inference.
Xiaohuan Pei, Tao Huang, Chang Xu.
arXiv preprint [arXiv:2412.04652] (2024).
GPT self-supervision for a better data annotator.
Xiaohuan Pei, Yanxi Li, Chang Xu.
arXiv preprint [arXiv:2306.04349] (2023).
Catching the details: self-distilled ROI predictors for fine-grained Vision-Language-Model perception.
arXiv preprint [arXiv:2509.16944] (2025).
Yuheng Shi, Xiaohuan Pei, Minjing Dong, Chang Xu.
Text-driven Neural Architecture Embeddings and Retrieval.
Xiaohuan Pei, Yanxi Li, Minjing Dong, Chang Xu.
🧑🏻💻 Academic Publications
Efficientvmamba: Atrous selective scan for light weight visual mamba.
Xiaohuan Pei, Tao Huang, and Chang Xu.
Proceedings of the AAAI Conference on Artificial Intelligence (AAAI 2024). (Core Rank A*)
Localmamba: Visual state space model with windowed selective scan.
Tao Huang, Xiaohuan Pei, Chang Xu.
European Conference on Computer Vision (ECCV 2024), Workshop. (Core Rank A*)
Neural Architecture Retrieval.
Xiaohuan Pei, Yanxi Li, Minjing Dong, Chang Xu.
The Twelfth International Conference on Learning Representations (ICLR 2024). (Core Rank A*)
Contrastive code-comment pre-training.
Xiaohuan Pei, Daochang Liu, Qian Luo, Chang Xu.
IEEE International Conference on Data Mining (ICDM 2022). (Core Rank A*)
Self-attention gated cognitive diagnosis for faster adaptive educational assessments.
Xiaohuan Pei, Shuo Yang, Jiajun Huang, Chang Xu.
IEEE International Conference on Data Mining (ICDM 2022). (Core Rank A*)
TCNAS: Transformer Architecture Evolving in Clone Detection.
Hongyan Xu*, Xiaohuan Pei*, Shan You, Chang Xu.
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2024).
📖 Teaching
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2024, Guest Lecture, Artifical Intelligence, The University of Sydney
-
2023, 2025, Tutor for COMP5329 Deep Learning, The University of Sydney
🎖 Awards
- ICDM Best Student Paper Award
- Two Full Scholarship Awards
- Outstanding Graduate
- National Second Prize in Mathematics Competition
- Provincial Prize in C++ Programming Competition
🌟 Grants
- The National Computational Infrastructure (NCI) Adapter Scheme, Australia
Services
- Reviewer of TPAMI, ICML, NeurIPS, ICLR, CVPR, ICCV, KDD, ICDM.
Contact: xiaohuan.pei at sydney.edu.au, terrypei123 at gmail.com