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Yujun Cai

Lecturer (Assistant Professor)
The University of Queensland
vanora.caiyj@gmail.com / yujun.cai@uq.edu.au


Publications [Google Scholar][DBLP]

    2025

  1. HAIF-GS: Hierarchical and Induced Flow-Guided Gaussian Splatting for Dynamic Scene
    Jianing Chen, Zehao Li, Yujun Cai, Hao Jiang, Chengxuan Qian, Juyuan Kang, Shuqin Gao, Honglong Zhao, Tianlu Mao, Yucheng Zhang.
    NeurIPS, 2025.
    PDF Code
  2. VistaWise: Building Cost-Effective Agent with Cross-Modal Knowledge Graph for Minecraft
    Honghao Fu, Junlong Ren, Qi Chai, Deheng Ye, Yujun Cai, Hao Wang.
    EMNLP, 2025.
    PDF Code
  3. MRFD: Multi-Region Fusion Decoding with Self-Consistency for Mitigating Hallucinations in LVLMs
    Haonan Ge, Yiwei Wang, Ming-Hsuan Yang, Yujun Cai.
    EMNLP, 2025.
    PDF Code
  4. Making every step effective: Jailbreaking large vision-language models through hierarchical kv equalization
    Shuyang Hao, Yiwei Wang, Bryan Hooi, Jun Liu, Muhao Chen, Zi Huang, Yujun Cai.
    EMNLP, 2025.
    PDF Code
  5. SemVink: Advancing VLMs' Semantic Understanding of Optical Illusions via Visual Global Thinking
    Sifan Li, Yujun Cai, Yiwei Wang.
    EMNLP, 2025.
    PDF Code
  6. Understanding GUI Agent Localization Biases through Logit Sharpness
    Xingjian Tao, Yiwei Wang, Yujun Cai, Zhicheng Yang, Jing Tang.
    EMNLP, 2025.
    PDF Code
  7. DiMo-GUI: Advancing Test-time Scaling in GUI Grounding via Modality-Aware Visual Reasoning
    Hang Wu, Hongkai Chen, Yujun Cai, Chang Liu, Qingwen Ye, Ming-Hsuan Yang, Yiwei Wang.
    EMNLP, 2025.
    PDF Code
  8. Mapping the Minds of LLMs: A Graph-Based Analysis of Reasoning LLM
    Zhen Xiong, Yujun Cai, Zhecheng Li, Yiwei Wang.
    EMNLP, 2025.
    PDF Code
  9. Exploring Visual Vulnerabilities via Multi-Loss Adversarial Search for Jailbreaking Vision-Language Models
    Shuyang Hao, Bryan Hooi, Jun Liu, Kai-Wei Chang, Zi Huang, Yujun Cai.
    Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2025.
    PDF Code
  10. LatentHOI: On the Generalizable Hand Object Motion Generation with Latent Hand Diffusion
    Muchen Li, Sammy Christen, Chengde Wan, Yujun Cai, Renjie Liao, Leonid Sigal, Shugao Ma.
    Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2025.
    PDF Code
  11. DRS: Deep Question Reformulation With Structured Output
    Zhecheng Li, Yiwei Wang, Bryan Hooi, Yujun Cai, Nanyun Peng, Kai-Wei Chang.
    ACL, 2025.
    PDF Code
  12. Vulnerability of LLMs to Vertically Aligned Text Manipulations
    Zhecheng Li, Yiwei Wang, Bryan Hooi, Yujun Cai, Zhen Xiong, Nanyun Peng, Kai-wei Chang.
    ACL, 2025.
    PDF Code
  13. Texture or Semantics? Vision-Language Models Get Lost in Font Recognition
    Zhecheng Li, Guoxian Song, Yujun Cai, Zhen Xiong, Junsong Yuan, Yiwei Wang.
    COLM, 2025.
    PDF Code
  14. Text Speaks Louder than Vision: ASCII Art Reveals Textual Biases in Vision-Language Models
    Zhaochen Wang, Bryan Hooi, Yiwei Wang, Ming-Hsuan Yang, Zi Huang, Yujun Cai.
    COLM, 2025.
    PDF Code
  15. How does Watermarking Affect Visual Language Models in Document Understanding?
    Chunxue Xu, Yiwei Wang, Bryan Hooi, Yujun Cai, Songze Li.
    COLM, 2025.
    PDF Code
  16. Tricking Retrievers with Influential Tokens: An Efficient Black-Box Corpus Poisoning Attack
    Cheng Wang, Yiwei Wang, Yujun Cai, Bryan Hooi.
    Proceedings of the 2025 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL), 2025.
    PDF Code
  17. Con-ReCall: Detecting Pre-training Data in LLMs via Contrastive Decoding
    Cheng Wang, Yiwei Wang, Bryan Hooi, Yujun Cai, Nanyun Peng, Kai-Wei Chang.
    International Conference on Computational Linguistics (COLING), 2025.
    PDF Code
  18. Enhancing LLM Character-Level Manipulation via Divide and Conquer
    Zhen Xiong, Yujun Cai, Bryan Hooi, Nanyun Peng, Kai-Wei Chang, Zhecheng Li, Yiwei Wang.
    arXiv preprint arXiv:2502.08180, 2025.
    PDF Code
  19. Lost in Edits? A \lambda -Compass for AIGC Provenance
    Wenhao You, Bryan Hooi, Yiwei Wang, Euijin Choo, Ming-Hsuan Yang, Junsong Yuan, Zi Huang, Yujun Cai.
    arXiv preprint arXiv:2502.04364, 2025.
    PDF Code

    20. 2024

  20. NeurIPS
    DisC-GS: Discontinuity-aware Gaussian Splatting
    Haoxuan Qu, Zhuoling Li, Hossein Rahmani, Yujun Cai, Jun Liu.
    Advances in Neural Information Processing Systems (NeurIPS), 2024.
    PDF Code
  21. emg2pose: A Large and Diverse Benchmark for Surface Electromyographic Hand Pose Estimation
    Sasha Salter, Richard Warren, Collin Schlager, Adrian Spurr, Shangchen Han, Rohin Bhasin, Yujun Cai, Peter Walkington, Anuoluwapo Bolarinwa, Robert Wang, others.
    Advances in Neural Information Processing Systems Dataset and Benmark Track (NeurIPS), 2024.
    PDF Code
  22. Energy-Calibrated VAE with Test Time Free Lunch
    Yihong Luo, Siya Qiu, Xingjian Tao, Yujun Cai, Jing Tang.
    European Conference on Computer Vision (ECCV), 2024.
    PDF Code
  23. CVPR
    Llms are good action recognizers
    Haoxuan Qu, Yujun Cai, Jun Liu.
    Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2024.
    PDF Code
  24. 6d-diff: A keypoint diffusion framework for 6d object pose estimation
    Li Xu, Haoxuan Qu, Yujun Cai, Jun Liu.
    Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2024.
    PDF Code
  25. Vulnerability of LLMs to Vertically Aligned Text Manipulations
    Zhecheng Li, Yiwei Wang, Bryan Hooi, Yujun Cai, Zhen Xiong, Nanyun Peng, Kai-Wei Chang.
    ACL, 2024.
    PDF Code
  26. STMG: A Machine Learning Microgesture Recognition System for Supporting Thumb-Based VR/AR Input
    Kenrick Kin, Chengde Wan, Ken Koh, Andrei Marin, Necati Cihan Camgoz, Yubo Zhang, Yujun Cai, Fedor Kovalev, Moshe Ben-Zacharia, Shannon Hoople, others.
    Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI), 2024.
    PDF Code
  27. GradiSeg: Gradient-Guided Gaussian Segmentation with Enhanced 3D Boundary Precision
    Zehao Li, Wenwei Han, Yujun Cai, Hao Jiang, Baolong Bi, Shuqin Gao, Honglong Zhao, Zhaoqi Wang.
    arXiv preprint arXiv:2412.00392, 2024.
    PDF Code
  28. Think Carefully and Check Again! Meta-Generation Unlocking LLMs for Low-Resource Cross-Lingual Summarization
    Zhecheng Li, Yiwei Wang, Bryan Hooi, Yujun Cai, Naifan Cheung, Nanyun Peng, Kai-wei Chang.
    arXiv preprint arXiv:2410.20021, 2024.
    PDF Code
  29. Off-the-shelf ChatGPT is a Good Few-shot Human Motion Predictor
    Haoxuan Qu, Zhaoyang He, Zeyu Hu, Yujun Cai, Jun Liu.
    arXiv preprint arXiv:2405.15267, 2024.
    PDF Code
  30. Are LLMs Really Not Knowledgable? Mining the Submerged Knowledge in LLMs' Memory
    Xingjian Tao, Yiwei Wang, Yujun Cai, Zhicheng Yang, Jing Tang.
    arXiv preprint arXiv:2412.20846, 2024.
    PDF Code

    31. 2023

  31. Primacy effect of chatgpt
    Yiwei Wang, Yujun Cai, Muhao Chen, Yuxuan Liang, Bryan Hooi.
    Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing (EMNLP), 2023.
    PDF Code
  32. A Characteristic Function-Based Method for Bottom-Up Human Pose Estimation
    Haoxuan Qu, Yujun Cai, Lin Geng Foo, Ajay Kumar, Jun Liu.
    Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023.
    PDF Code
  33. Social diffusion: Long-term multiple human motion anticipation
    Julian Tanke, Linguang Zhang, Amy Zhao, Chengcheng Tang, Yujun Cai, Lezi Wang, Po-Chen Wu, Juergen Gall, Cem Keskin.
    Proceedings of the IEEE/CVF International Conference on Computer Vision (CVPR), 2023.
    PDF Code
  34. How Fragile is Relation Extraction under Entity Replacements?
    Yiwei Wang, Bryan Hooi, Fei Wang, Yujun Cai, Yuxuan Liang, Wenxuan Zhou, Jing Tang, Manjuan Duan, Muhao Chen.
    CONLL, 2023.
    PDF Code

    35. 2022

  35. Heatmap distribution matching for human pose estimation
    Haoxuan Qu, Li Xu, Yujun Cai, Lin Geng Foo, Jun Liu.
    Advances in Neural Information Processing Systems, 2022.
    PDF Code
  36. Geometry-guided progressive nerf for generalizable and efficient neural human rendering
    Mingfei Chen, Jianfeng Zhang, Xiangyu Xu, Lijuan Liu, Yujun Cai, Jiashi Feng, Shuicheng Yan.
    European Conference on Computer Vision, 2022.
    PDF Code
  37. Graphcache: Message passing as caching for sentence-level relation extraction
    Yiwei Wang, Muhao Chen, Wenxuan Zhou, Yujun Cai, Yuxuan Liang, Bryan Hooi.
    Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL), 2022.
    PDF Code
  38. Should we rely on entity mentions for relation extraction? debiasing relation extraction with counterfactual analysis
    Yiwei Wang, Muhao Chen, Wenxuan Zhou, Yujun Cai, Yuxuan Liang, Dayiheng Liu, Baosong Yang, Juncheng Liu, Bryan Hooi.
    Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL), 2022.
    PDF Code
  39. MonaGO: a novel gene ontology enrichment analysis visualisation system
    Ziyin Xin, Yujun Cai, Louis T Dang, Hannah MS Burke, Jerico Revote, Natalie Charitakis, Denis Bienroth, Hieu T Nim, Yuan-Fang Li, Mirana Ramialison.
    BMC bioinformatics, 2022.
    PDF Code
  40. Deepemd: Differentiable earth mover' s distance for few-shot learning
    Chi Zhang, Yujun Cai, Guosheng Lin, Chunhua Shen.
    IEEE Transactions on Pattern Analysis and Machine Intelligence, 2022.
    PDF Code
  41. UmeTrack: Unified multi-view end-to-end hand tracking for VR
    Shangchen Han, Po-chen Wu, Yubo Zhang, Beibei Liu, Linguang Zhang, Zheng Wang, Weiguang Si, Peizhao Zhang, Yujun Cai, Tomas Hodan, others.
    SIGGRAPH Asia 2022 conference papers, 2022.
    PDF Code
  42. Time-Aware Neighbor Sampling on Temporal Graphs
    Yiwei Wang, Yujun Cai, Yuxuan Liang, Henghui Ding, Changhu Wang, Bryan Hooi.
    2022 International Joint Conference on Neural Networks (IJCNN), 2022.
    PDF Code

    43. 2021

  43. Adaptive data augmentation on temporal graphs
    Yiwei Wang, Yujun Cai, Yuxuan Liang, Henghui Ding, Changhu Wang, Siddharth Bhatia, Bryan Hooi.
    Advances in Neural Information Processing Systems, 2021.
    PDF Code
  44. Direct multi-view multi-person 3d pose estimation
    Jianfeng Zhang, Yujun Cai, Shuicheng Yan, Jiashi Feng, others.
    Advances in Neural Information Processing Systems, 2021.
    PDF Code
  45. A unified 3d human motion synthesis model via conditional variational auto-encoder
    Yujun Cai, Yiwei Wang, Yiheng Zhu, Tat-Jen Cham, Jianfei Cai, Junsong Yuan, Jun Liu, Chuanxia Zheng, Sijie Yan, Henghui Ding, others.
    Proceedings of the IEEE/CVF International Conference on Computer Vision (CVPR), 2021.
    PDF Code
  46. Structure-aware label smoothing for graph neural networks
    Yiwei Wang, Yujun Cai, Yuxuan Liang, Wei Wang, Henghui Ding, Muhao Chen, Jing Tang, Bryan Hooi.
    arXiv preprint arXiv:2112.00499, 2021.
    PDF Code
  47. Time-aware neighbor sampling for temporal graph networks
    Yiwei Wang, Yujun Cai, Yuxuan Liang, Henghui Ding, Changhu Wang, Bryan Hooi.
    The 2022 International Joint Conference on Neural Networks (IJCNN), 2021.
    PDF Code
  48. Curgraph: Curriculum learning for graph classification
    Yiwei Wang, Wei Wang, Yuxuan Liang, Yujun Cai, Bryan Hooi.
    Proceedings of the Web Conference 2021, 2021.
    PDF Code
  49. Mixup for node and graph classification
    Yiwei Wang, Wei Wang, Yuxuan Liang, Yujun Cai, Bryan Hooi.
    Proceedings of the Web Conference 2021, 2021.
    PDF Code
  50. Progressive supervision for node classification
    Yiwei Wang, Wei Wang, Yuxuan Liang, Yujun Cai, Bryan Hooi.
    Machine Learning and Knowledge Discovery in Databases: European Conference, ECML PKDD 2020, Ghent, Belgium, September 14--18, 2020, Proceedings, Part I, 2021.
    PDF Code

    51. 2020

  51. Learning progressive joint propagation for human motion prediction
    Yujun Cai, Lin Huang, Yiwei Wang, Tat-Jen Cham, Jianfei Cai, Junsong Yuan, Jun Liu, Xu Yang, Yiheng Zhu, Xiaohui Shen, others.
    Computer Vision--ECCV 2020: 16th European Conference, Glasgow, UK, August 23--28, 2020, Proceedings, Part VII 16, 2020.
    PDF Code
  52. 3D hand pose estimation using synthetic data and weakly labeled RGB images
    Yujun Cai, Liuhao Ge, Jianfei Cai, Nadia Magnenat Thalmann, Junsong Yuan.
    IEEE transactions on pattern analysis and machine intelligence, 2020.
    PDF Code
  53. Graphcrop: Subgraph cropping for graph classification
    Yiwei Wang, Wei Wang, Yuxuan Liang, Yujun Cai, Bryan Hooi.
    arXiv preprint arXiv:2009.10564, 2020.
    PDF Code
  54. Detecting implementation bugs in graph convolutional network based node classifiers
    Yiwei Wang, Wei Wang, Yujun Ca, Bryan Hooi, Beng Chin Ooi.
    2020 IEEE 31st International Symposium on Software Reliability Engineering (ISSRE), 2020.
    PDF Code
  55. Nodeaug: Semi-supervised node classification with data augmentation
    Yiwei Wang, Wei Wang, Yuxuan Liang, Yujun Cai, Juncheng Liu, Bryan Hooi.
    Proceedings of the 26th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2020.
    PDF Code
  56. Deepemd: Few-shot image classification with differentiable earth mover' s distance and structured classifiers
    Chi Zhang, Yujun Cai, Guosheng Lin, Chunhua Shen.
    Proceedings of the IEEE/CVF conference on computer vision and pattern recognition (CVPR), 2020.
    PDF Code

    57. 2019

  57. Exploiting spatial-temporal relationships for 3d pose estimation via graph convolutional networks
    Yujun Cai, Liuhao Ge, Jun Liu, Jianfei Cai, Tat-Jen Cham, Junsong Yuan, Nadia Magnenat Thalmann.
    Proceedings of the IEEE/CVF International Conference on Computer Vision (CVPR), 2019.
    PDF Code

    58. 2018

  58. Weakly-supervised 3d hand pose estimation from monocular rgb images
    Yujun Cai, Liuhao Ge, Jianfei Cai, Junsong Yuan.
    Proceedings of the European conference on computer vision (ECCV), 2018.
    PDF Code
  59. Hand pointnet: 3d hand pose estimation using point sets
    Liuhao Ge, Yujun Cai, Junwu Weng, Junsong Yuan.
    Proceedings of the IEEE conference on computer vision and pattern recognition (CVPR), 2018.
    PDF Code

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