Publications

You can also find my articles on my Google Scholar profile.

* Equal contribution; ^† Corresponding author

Breaking Modality Heterogeneity in Low-Bit Quantization for Large Vision-Language Models Advances in Neural Information Processing Systems (NeurIPS), 2026 Yi Zhong, Haotong Qin, Xindong Zhang, Lei Zhang, Guolei Sun† [paper] [code]

Evaluating SAM2 for Video Semantic Segmentation Machine Intelligence Research (MIR), 2026 Syed Ariff Syed Hesham, Yun Liu, Guolei Sun†, Jing Yang, Henghui Ding, Xue Geng, Xudong Jiang [paper]

Video Understanding: From Geometry and Semantics to Unified Models Machine Intelligence Research (MIR), 2026 Zhaochong An, Zirui Li, Mingqiao Ye, Feng Qiao, Jiaang Li, Zongwei Wu, Vishal Thengane, Chengzu Li, Lei Li, Luc Van Gool, Guolei Sun†, Serge Belongie [paper]

STAC: Selective Spatiotemporal Aggregation and Compression for Video Reasoning Segmentation European Conference on Computer Vision (ECCV), 2026 Syed Ariff Syed Hesham, Yun Liu, Guolei Sun, Jing Yang, Henghui Ding, Xue Geng, Xudong Jiang [paper] [code]

Location Matters: Frequency-Spatial Dual-Space Adaptation for Cross-Domain Few-Shot Segmentation IEEE Transactions on Image Processing (TIP), 2026 Jingyi Zhang, Guolei Sun, Yong Li, Hongsong Wang, Xiangbo Shu, Guo-Sen Xie [paper]

EgoSound: Benchmarking Sound Understanding in Egocentric Videos IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2026 Bingwen Zhu*, Yuqian Fu*, Qiaole Dong, Guolei Sun, Tianwen Qian, Yuzheng Wu, Danda Pani Paudel, Yanwei Fu, Xiangyang Xue [paper] [code] [Highlight]

RGB-D Indiscernible Object Counting in Underwater Scenes International Journal of Computer Vision (IJCV), 2026 Guolei Sun, Xiaogang Cheng, Zhaochong An, Xiaokang Wang, Yun Liu, Deng-Ping Fan, Ming-Ming Cheng, Luc Van Gool [paper] [code]

EgoNight: Towards Egocentric Vision Understanding at Night with a Challenging Benchmark International Conference on Learning Representations (ICLR), 2026 Deheng Zhang*, Yuqian Fu*, Runyi Yang, Yang Miao, Tianwen Qian, Xu Zheng, Guolei Sun, Ajad Chhatkuli, Xuanjing Huang, Yu-Gang Jiang, Luc Van Gool, Danda Pani Paudel [paper] [code]

CamSAM2: Segment Anything Accurately in Camouflaged Videos Advances in Neural Information Processing Systems (NeurIPS), 2025 Yuli Zhou, Yawei Li, Yuqian Fu, Luca Benini, Ender Konukoglu, Guolei Sun† [paper] [code]

XTrack: Multimodal Training Boosts RGB-X Video Object Trackers International Conference on Computer Vision (ICCV), 2025 Yuedong Tan, Zongwei Wu, Yuqian Fu, Zhuyun Zhou, Guolei Sun, Eduard Zamfir, Chao Ma, Danda Pani Paudel, Luc Van Gool, Radu Timofte [paper] [code]

ObjectRelator: Enabling Cross-View Object Relation Understanding Across Ego-Centric and Exo-Centric Perspectives International Conference on Computer Vision (ICCV), 2025 Yuqian Fu, Runze Wang, Bin Ren, Guolei Sun, Biao Gong, Yanwei Fu, Danda Pani Paudel, Xuanjing Huang, Luc Van Gool [paper] [code] [Highlight]

MedVSR: Medical Video Super-Resolution with Cross State-Space Propagation International Conference on Computer Vision (ICCV), 2025 Xinyu Liu, Guolei Sun, Cheng Wang, Yixuan Yuan, Ender Konukoglu [paper] [code]

Exploiting Temporal State Space Sharing for Video Semantic Segmentation IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2025 Syed Ariff Syed Hesham, Yun Liu, Guolei Sun†, Henghui Ding, Jing Yang, Ender Konukoglu, Xue Geng, Xudong Jiang [paper] [code]

Generalized Few-shot 3D Point Cloud Segmentation with Vision-Language Model IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2025 Zhaochong An, Guolei Sun†, Yun Liu, Runjia Li, Junlin Han, Ender Konukoglu, Serge Belongie [paper] [code]

Multimodality Helps Few-shot 3D Point Cloud Semantic Segmentation International Conference on Learning Representations (ICLR), 2025 Zhaochong An, Guolei Sun†, Yun Liu, Runjia Li, Min Wu, Ming-Ming Cheng, Ender Konukoglu, Serge Belongie [paper] [code] [Spotlight]

SAM-Aware Graph Prompt Reasoning Network for Cross-Domain Few-Shot Segmentation AAAI Conference on Artificial Intelligence (AAAI), 2025 Shi-Feng Peng*, Guolei Sun*, Yong Li, Hongsong Wang, Guo-Sen Xie [paper] [code]

Towards Open-Vocabulary Video Semantic Segmentation IEEE Transactions on Multimedia (TMM), 2025 Xinhao Li, Yun Liu, Guolei Sun, Min Wu, Le Zhang, Ce Zhu [paper] [code]

Rethinking Few-shot 3D Point Cloud Semantic Segmentation IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2024 Zhaochong An, Guolei Sun†, Yun Liu, Fayao Liu, Zongwei Wu, Dan Wang, Luc Van Gool, Serge Belongie [paper] [code]

Indiscernible Object Counting in Underwater Scenes IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2023 Guolei Sun, Zhaochong An, Yun Liu, Ce Liu, Christos Sakaridis, Deng-Ping Fan, Luc Van Gool [paper] [code]

Edge Guided GANs with Multi-Scale Contrastive Learning for Semantic Image Synthesis IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2023 Hao Tang, Guolei Sun, Nicu Sebe, Luc Van Gool [paper] [code]

Mining Relations among Cross-Frame Affinities for Video Semantic Segmentation European Conference on Computer Vision (ECCV), 2022 Guolei Sun, Yun Liu, Hao Tang, Ajad Chhatkuli, Le Zhang, Luc Van Gool [paper] [code]

Coarse-to-Fine Feature Mining for Video Semantic Segmentation IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2022 Guolei Sun, Yun Liu, Henghui Ding, Thomas Probst, Luc Van Gool [paper] [code]

Looking Beyond Single Images for Weakly Supervised Semantic Segmentation Learning IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2022 Wenguan Wang, Guolei Sun, Luc Van Gool [paper] [code]

SwinIR: Image Restoration using Swin Transformer International Conference on Computer Vision Workshop (ICCVW), 2021 Jingyun Liang, Jiezhang Cao, Guolei Sun, Kai Zhang, Luc Van Gool, Radu Timofte [paper] [code]

Task Switching Network for Multi-task Learning International Conference on Computer Vision (ICCV), 2021 Guolei Sun, Thomas Probst, Danda Pani Paudel, Nikola Popović, Menelaos Kanakis, Jagruti Patel, Dengxin Dai, Luc Van Gool [paper] [code]

Mutual Affine Network for Spatially Variant Kernel Estimation in Blind Image Super-resolution International Conference on Computer Vision (ICCV), 2021 Jingyun Liang, Guolei Sun, Kai Zhang, Luc Van Gool, Radu Timofte [paper] [code]

CompositeTasking: Understanding Images by Spatial Composition of Tasks IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2021 Nikola Popovic, Danda Pani Paudel, Thomas Probst, Guolei Sun, Luc Van Gool [paper] [code]

Towards Partial Supervision for Generic Object Counting in Natural Scenes IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2020 Hisham Cholakkal*, Guolei Sun*, Salman Khan, Fahad Shahbaz Khan, Ling Shao, Luc Van Gool [paper] [code]

Mining Cross-image Semantics for Weakly Supervised Semantic Segmentation European Conference on Computer Vision (ECCV), 2020 Guolei Sun, Wenguan Wang, Jifeng Dai, Luc Van Gool [paper] [code] [Oral, acceptance rate: 2%]

Fixing Localization Errors to Improve Image Classification European Conference on Computer Vision (ECCV), 2020 Guolei Sun*, Salman Khan*, Wen Li, Hisham Cholakkal, Fahad Shahbaz, Luc Van Gool [paper] [code]

Camouflaged Object Detection IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2020 Deng-Ping Fan, Ge-Peng Ji, Guolei Sun, Ming-Ming Cheng, Jianbing Shen, Ling Shao [paper] [code] [Oral, acceptance rate: 6%]

Fine-grained Recognition: Accounting for Subtle Differences between Similar Classes AAAI Conference on Artificial Intelligence (AAAI), 2020 Guolei Sun, Hisham Cholakkal, Salman Khan, Fahad Shahbaz Khan, Ling Shao [paper]

Object Counting and Instance Segmentation with Image-level Supervision IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2019 Hisham Cholakkal*, Guolei Sun*, Fahad Shahbaz Khan, Ling Shao [paper] [code]

isaid: A Large-scale Dataset for Instance Segmentation in Aerial Images IEEE Conference on Computer Vision and Pattern Recognition Workshop (CVPRW), 2019 Syed Waqas Zamir, Aditya Arora, Akshita Gupta, Salman Khan, Guolei Sun, Fahad Shahbaz Khan, Fan Zhu, Ling Shao, Gui-Song Xia, Xiang Bai [paper] [code] [MMSeg]