Mengqi Lei

I am Mengqi Lei (雷孟奇), a PhD student at the School of Software, Tsinghua University. I started my doctoral studies in 2025 and am advised by Associate Professor Yue Gao.

I am affiliated with 🔗iMoon-Lab, led by Associate Professor Yue Gao.

My research interests include computer vision, multimodal large language models, vision-language models, and hypergraph neural networks.

My GitHub homepage is at 🔗Mengqi-Lei, my Google Scholar profile is at 🔗Google Scholar, and my email is 🔗mengqi-lei@163.com.

news

May 21, 2026	Our paper Hypergraph as Language has been released on arXiv.
Apr 08, 2026	Our paper Brain Structure-Function Coupling Hypergraph Neural Network has been published online in the Journal of Image and Graphics.
Mar 31, 2026	Our paper SoftHGNN: Soft Hypergraph Neural Networks for General Visual Recognition has been accepted by the International Journal of Computer Vision (IJCV).
Sep 01, 2025	Started PhD studies at the School of Software, Tsinghua University in 2025.

selected publications

arXiv

YOLOv13: Real-Time Object Detection with Hypergraph-Enhanced Adaptive Visual Perception

Mengqi Lei, Siqi Li, Yihong Wu, and 7 more authors

Jun 2025

DOI arXiv Bib Code

@misc{lei2025yolov13,
  title = {YOLOv13: Real-Time Object Detection with Hypergraph-Enhanced Adaptive Visual Perception},
  author = {Lei, Mengqi and Li, Siqi and Wu, Yihong and Hu, Han and Zhou, You and Zheng, Xinhu and Ding, Guiguang and Du, Shaoyi and Wu, Zongze and Gao, Yue},
  year = {2025},
  month = jun,
  archiveprefix = {arXiv},
  primaryclass = {cs.CV},
  doi = {10.48550/arXiv.2506.17733},
  url = {https://arxiv.org/abs/2506.17733},
}

IJCV

SoftHGNN: Soft Hypergraph Neural Networks for General Visual Recognition

Mengqi Lei, Yihong Wu, Siqi Li, and 4 more authors

International Journal of Computer Vision, 2026

Accepted, to appear

arXiv Bib Code

@article{lei2025softhgnn,
  title = {SoftHGNN: Soft Hypergraph Neural Networks for General Visual Recognition},
  author = {Lei, Mengqi and Wu, Yihong and Li, Siqi and Zheng, Xinhu and Wang, Juan and Gao, Yue and Du, Shaoyi},
  journal = {International Journal of Computer Vision},
  year = {2026},
  archiveprefix = {arXiv},
  primaryclass = {cs.CV},
  url = {https://arxiv.org/abs/2505.15325},
  note = {Accepted, to appear},
}

arXiv

Hypergraph as Language

Mengqi Lei, Guohuan Xie, Shihui Ying, and 4 more authors

May 2026

DOI arXiv Bib Code

@misc{lei2026hypergraphlanguage,
  title = {Hypergraph as Language},
  author = {Lei, Mengqi and Xie, Guohuan and Ying, Shihui and Du, Shaoyi and Yong, Jun-Hai and Li, Siqi and Gao, Yue},
  year = {2026},
  month = may,
  archiveprefix = {arXiv},
  primaryclass = {cs.CL},
  doi = {10.48550/arXiv.2605.21858},
  url = {https://arxiv.org/abs/2605.21858},
}

AAAI

ConDSeg: A General Medical Image Segmentation Framework via Contrast-Driven Feature Enhancement

Mengqi Lei, Haochen Wu, Xinhua Lv, and 1 more author

In Proceedings of the AAAI Conference on Artificial Intelligence, 2025

DOI Bib Code

@inproceedings{lei2025condseg,
  title = {ConDSeg: A General Medical Image Segmentation Framework via Contrast-Driven Feature Enhancement},
  author = {Lei, Mengqi and Wu, Haochen and Lv, Xinhua and Wang, Xin},
  booktitle = {Proceedings of the AAAI Conference on Artificial Intelligence},
  volume = {39},
  number = {5},
  pages = {4571--4579},
  year = {2025},
  doi = {10.1609/aaai.v39i5.32482},
  url = {https://ojs.aaai.org/index.php/AAAI/article/view/32482},
}