Research Publications - Crowd Modelling

Ruochen Li, Stamos Katsigiannis, Tae-Kyun Kim and Hubert P. H. Shum, "BP-SGCN: Behavioral Pseudo-Label Informed Sparse Graph Convolution Network for Pedestrian and Heterogeneous Trajectory Prediction," IEEE Transactions on Neural Networks and Learning Systems, vol. 36, no. 8, pp. 14566-14580, IEEE, 2025.

@article{li25bpsgcn,
 author={Li, Ruochen and Katsigiannis, Stamos and Kim, Tae-Kyun and Shum, Hubert P. H.},
 journal={IEEE Transactions on Neural Networks and Learning Systems},
 title={BP-SGCN: Behavioral Pseudo-Label Informed Sparse Graph Convolution Network for Pedestrian and Heterogeneous Trajectory Prediction},
 year={2025},
 volume={36},
 number={8},
 pages={14566--14580},
 numpages={15},
 doi={10.1109/TNNLS.2025.3545268},
 publisher={IEEE},
}

TY  - JOUR
AU  - Li, Ruochen
AU  - Katsigiannis, Stamos
AU  - Kim, Tae-Kyun
AU  - Shum, Hubert P. H.
T2  - IEEE Transactions on Neural Networks and Learning Systems
TI  - BP-SGCN: Behavioral Pseudo-Label Informed Sparse Graph Convolution Network for Pedestrian and Heterogeneous Trajectory Prediction
PY  - 2025
VL  - 36
IS  - 8
SP  - 14566
EP  - 14580
DO  - 10.1109/TNNLS.2025.3545268
PB  - IEEE
ER  - 

Ruochen Li, Tanqiu Qiao, Stamos Katsigiannis, Zhanxing Zhu and Hubert P. H. Shum, "Unified Spatial-Temporal Edge-Enhanced Graph Networks for Pedestrian Trajectory Prediction," IEEE Transactions on Circuits and Systems for Video Technology, vol. 35, no. 7, pp. 7047-7060, IEEE, 2025.

@article{li25unified,
 author={Li, Ruochen and Qiao, Tanqiu and Katsigiannis, Stamos and Zhu, Zhanxing and Shum, Hubert P. H.},
 journal={IEEE Transactions on Circuits and Systems for Video Technology},
 title={Unified Spatial-Temporal Edge-Enhanced Graph Networks for Pedestrian Trajectory Prediction},
 year={2025},
 volume={35},
 number={7},
 pages={7047--7060},
 numpages={14},
 doi={10.1109/TCSVT.2025.3539522},
 publisher={IEEE},
}

TY  - JOUR
AU  - Li, Ruochen
AU  - Qiao, Tanqiu
AU  - Katsigiannis, Stamos
AU  - Zhu, Zhanxing
AU  - Shum, Hubert P. H.
T2  - IEEE Transactions on Circuits and Systems for Video Technology
TI  - Unified Spatial-Temporal Edge-Enhanced Graph Networks for Pedestrian Trajectory Prediction
PY  - 2025
VL  - 35
IS  - 7
SP  - 7047
EP  - 7060
DO  - 10.1109/TCSVT.2025.3539522
PB  - IEEE
ER  - 

John Hartley, Hubert P. H. Shum, Edmond S. L. Ho, He Wang and Subramanian Ramamoorthy, "Formation Control for UAVs Using a Flux Guided Approach," Expert Systems with Applications, vol. 205, pp. 117665, Elsevier, 2022.

@article{hartley21formation,
 author={Hartley, John and Shum, Hubert P. H. and Ho, Edmond S. L. and Wang, He and Ramamoorthy, Subramanian},
 journal={Expert Systems with Applications},
 title={Formation Control for UAVs Using a Flux Guided Approach},
 year={2022},
 volume={205},
 pages={117665},
 numpages={11},
 doi={10.1016/j.eswa.2022.117665},
 issn={0957-4174},
 publisher={Elsevier},
}

TY  - JOUR
AU  - Hartley, John
AU  - Shum, Hubert P. H.
AU  - Ho, Edmond S. L.
AU  - Wang, He
AU  - Ramamoorthy, Subramanian
T2  - Expert Systems with Applications
TI  - Formation Control for UAVs Using a Flux Guided Approach
PY  - 2022
VL  - 205
SP  - 117665
EP  - 117665
DO  - 10.1016/j.eswa.2022.117665
SN  - 0957-4174
PB  - Elsevier
ER  - 

Qianhui Men and Hubert P. H. Shum, "PyTorch-Based Implementation of Label-Aware Graph Representation for Multi-Class Trajectory Prediction," Software Impacts, vol. 11, pp. 100201, Elsevier, 2021.

@article{men21pytorch,
 author={Men, Qianhui and Shum, Hubert P. H.},
 journal={Software Impacts},
 title={PyTorch-Based Implementation of Label-Aware Graph Representation for Multi-Class Trajectory Prediction},
 year={2021},
 volume={11},
 pages={100201},
 numpages={3},
 doi={10.1016/j.simpa.2021.100201},
 issn={2665-9638},
 publisher={Elsevier},
}

TY  - JOUR
AU  - Men, Qianhui
AU  - Shum, Hubert P. H.
T2  - Software Impacts
TI  - PyTorch-Based Implementation of Label-Aware Graph Representation for Multi-Class Trajectory Prediction
PY  - 2021
VL  - 11
SP  - 100201
EP  - 100201
DO  - 10.1016/j.simpa.2021.100201
SN  - 2665-9638
PB  - Elsevier
ER  - 

Yijun Shen, Joseph Henry, He Wang, Edmond S. L. Ho, Taku Komura and Hubert P. H. Shum, "Data-Driven Crowd Motion Control with Multi-Touch Gestures," Computer Graphics Forum, vol. 37, no. 6, pp. 382-394, John Wiley and Sons Ltd., 2018.

@article{shen18datadriven,
 author={Shen, Yijun and Henry, Joseph and Wang, He and Ho, Edmond S. L. and Komura, Taku and Shum, Hubert P. H.},
 journal={Computer Graphics Forum},
 title={Data-Driven Crowd Motion Control with Multi-Touch Gestures},
 year={2018},
 volume={37},
 number={6},
 pages={382--394},
 numpages={14},
 doi={10.1111/cgf.13333},
 issn={1467-8659},
 publisher={John Wiley and Sons Ltd.},
 Address={Chichester, UK},
}

TY  - JOUR
AU  - Shen, Yijun
AU  - Henry, Joseph
AU  - Wang, He
AU  - Ho, Edmond S. L.
AU  - Komura, Taku
AU  - Shum, Hubert P. H.
T2  - Computer Graphics Forum
TI  - Data-Driven Crowd Motion Control with Multi-Touch Gestures
PY  - 2018
VL  - 37
IS  - 6
SP  - 382
EP  - 394
DO  - 10.1111/cgf.13333
SN  - 1467-8659
PB  - John Wiley and Sons Ltd.
ER  - 

Adam Barnett, Hubert P. H. Shum and Taku Komura, "Coordinated Crowd Simulation with Topological Scene Analysis," Computer Graphics Forum, vol. 35, no. 6, pp. 120-132, John Wiley and Sons Ltd., 2016.

@article{barnett16coordinated,
 author={Barnett, Adam and Shum, Hubert P. H. and Komura, Taku},
 journal={Computer Graphics Forum},
 title={Coordinated Crowd Simulation with Topological Scene Analysis},
 year={2016},
 volume={35},
 number={6},
 pages={120--132},
 numpages={13},
 doi={10.1111/cgf.12735},
 issn={1467-8659},
 publisher={John Wiley and Sons Ltd.},
 Address={Chichester, UK},
}

TY  - JOUR
AU  - Barnett, Adam
AU  - Shum, Hubert P. H.
AU  - Komura, Taku
T2  - Computer Graphics Forum
TI  - Coordinated Crowd Simulation with Topological Scene Analysis
PY  - 2016
VL  - 35
IS  - 6
SP  - 120
EP  - 132
DO  - 10.1111/cgf.12735
SN  - 1467-8659
PB  - John Wiley and Sons Ltd.
ER  - 

Joseph Henry, Hubert P. H. Shum and Taku Komura, "Interactive Formation Control in Complex Environments," IEEE Transactions on Visualization and Computer Graphics, vol. 20, no. 2, pp. 211-222, IEEE, Feb 2014.

@article{henry14interactive,
 author={Henry, Joseph and Shum, Hubert P. H. and Komura, Taku},
 journal={IEEE Transactions on Visualization and Computer Graphics},
 title={Interactive Formation Control in Complex Environments},
 year={2014},
 month={2},
 volume={20},
 number={2},
 pages={211--222},
 numpages={12},
 doi={10.1109/TVCG.2013.116},
 issn={1077-2626},
 publisher={IEEE},
}

TY  - JOUR
AU  - Henry, Joseph
AU  - Shum, Hubert P. H.
AU  - Komura, Taku
T2  - IEEE Transactions on Visualization and Computer Graphics
TI  - Interactive Formation Control in Complex Environments
PY  - 2014
Y1  - 2 2014
VL  - 20
IS  - 2
SP  - 211
EP  - 222
DO  - 10.1109/TVCG.2013.116
SN  - 1077-2626
PB  - IEEE
ER  - 

Ruochen Li, Zhanxing Zhu, Tanqiu Qiao and Hubert P. H. Shum, "ViTE: Virtual Graph Trajectory Expert Router for Pedestrian Trajectory Prediction," in Proceedings of the 2026 AAAI Conference on Artificial Intelligence, pp. 1952, Singapore, Singapore, 2026.

@inproceedings{li26vite,
 author={Li, Ruochen and Zhu, Zhanxing and Qiao, Tanqiu and Shum, Hubert P. H.},
 booktitle={Proceedings of the 2026 AAAI Conference on Artificial Intelligence},
 title={ViTE: Virtual Graph Trajectory Expert Router for Pedestrian Trajectory Prediction},
 year={2026},
 pages={1952},
 numpages={9},
 doi={10.1609/aaai.v40i21.38808},
 isbn={978-1-57735-906-7},
 location={Singapore, Singapore},
}

TY  - CONF
AU  - Li, Ruochen
AU  - Zhu, Zhanxing
AU  - Qiao, Tanqiu
AU  - Shum, Hubert P. H.
T2  - Proceedings of the 2026 AAAI Conference on Artificial Intelligence
TI  - ViTE: Virtual Graph Trajectory Expert Router for Pedestrian Trajectory Prediction
PY  - 2026
SP  - 1952
EP  - 1952
DO  - 10.1609/aaai.v40i21.38808
SN  - 978-1-57735-906-7
ER  - 

Yuxuan Xie, Nicolas Pugeault, Chongfeng Wei, Hubert P. H. Shum and Edmond S. L. Ho, "Where Will They Go? Modelling Multimodal Pedestrian Manoeuvres from Ego-Centric Videos," in Proceedings of the 2026 IEEE/RSJ International Conference on Intelligent Robots and Systems, Pittsburgh, USA, IEEE/RSJ, 2026.

@inproceedings{xie26where,
 author={Xie, Yuxuan and Pugeault, Nicolas and Wei, Chongfeng and Shum, Hubert P. H. and Ho, Edmond S. L.},
 booktitle={Proceedings of the 2026 IEEE/RSJ International Conference on Intelligent Robots and Systems},
 title={Where Will They Go? Modelling Multimodal Pedestrian Manoeuvres from Ego-Centric Videos},
 year={2026},
 publisher={IEEE/RSJ},
 location={Pittsburgh, USA},
}

TY  - CONF
AU  - Xie, Yuxuan
AU  - Pugeault, Nicolas
AU  - Wei, Chongfeng
AU  - Shum, Hubert P. H.
AU  - Ho, Edmond S. L.
T2  - Proceedings of the 2026 IEEE/RSJ International Conference on Intelligent Robots and Systems
TI  - Where Will They Go? Modelling Multimodal Pedestrian Manoeuvres from Ego-Centric Videos
PY  - 2026
PB  - IEEE/RSJ
ER  - 

Ruochen Li, Ziyi Chang, Junyan Hu, Jiannan Li, Amir Atapour-Abarghouei and Hubert P. H. Shum, "ART: Adaptive Relational Transformer for Pedestrian Trajectory Prediction with Temporal-Aware Relations," in Proceedings of the 2026 IEEE International Conference on Human-Machine Systems, Singapore, Singapore, IEEE, 2026.

@inproceedings{li26art,
 author={Li, Ruochen and Chang, Ziyi and Hu, Junyan and Li, Jiannan and Atapour-Abarghouei, Amir and Shum, Hubert P. H.},
 booktitle={Proceedings of the 2026 IEEE International Conference on Human-Machine Systems},
 title={ART: Adaptive Relational Transformer for Pedestrian Trajectory Prediction with Temporal-Aware Relations},
 year={2026},
 publisher={IEEE},
 location={Singapore, Singapore},
}

TY  - CONF
AU  - Li, Ruochen
AU  - Chang, Ziyi
AU  - Hu, Junyan
AU  - Li, Jiannan
AU  - Atapour-Abarghouei, Amir
AU  - Shum, Hubert P. H.
T2  - Proceedings of the 2026 IEEE International Conference on Human-Machine Systems
TI  - ART: Adaptive Relational Transformer for Pedestrian Trajectory Prediction with Temporal-Aware Relations
PY  - 2026
PB  - IEEE
ER  - 

Ziyi Chang, He Wang, George Alex Koulieris and Hubert P. H. Shum, "Large-Scale Multi-Character Interaction Synthesis," in Proceedings of the 2025 ACM SIGGRAPH, pp. Article 114, Vancouver, Canada, ACM, 2025.

@inproceedings{chang25largescale,
 author={Chang, Ziyi and Wang, He and Koulieris, George Alex and Shum, Hubert P. H.},
 booktitle={Proceedings of the 2025 ACM SIGGRAPH},
 title={Large-Scale Multi-Character Interaction Synthesis},
 year={2025},
 pages={Article 114},
 numpages={10},
 doi={10.1145/3721238.3730750},
 isbn={9.80E+12},
 publisher={ACM},
 Address={New York, NY, USA},
 location={Vancouver, Canada},
}

TY  - CONF
AU  - Chang, Ziyi
AU  - Wang, He
AU  - Koulieris, George Alex
AU  - Shum, Hubert P. H.
T2  - Proceedings of the 2025 ACM SIGGRAPH
TI  - Large-Scale Multi-Character Interaction Synthesis
PY  - 2025
SP  - Article 114
EP  - Article 114
DO  - 10.1145/3721238.3730750
SN  - 9.80E+12
PB  - ACM
ER  - 

Yona Falinie A. Gaus, Neelanjan Bhowmik, Brian K. S. Isaac-Medina, Hubert P. H. Shum, Amir Atapour-Abarghouei and Toby P. Breckon, "Region-Based Appearance and Flow Characteristics for Anomaly Detection in Infrared Surveillance Imagery," in CVPRW '23: Proceedings of the 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops, pp. 2995-3005, Vancouver, Canada, IEEE/CVF, Jun 2023.

@inproceedings{gaus23region,
 author={Gaus, Yona Falinie A. and Bhowmik, Neelanjan and Isaac-Medina, Brian K. S. and Shum, Hubert P. H. and Atapour-Abarghouei, Amir and Breckon, Toby P.},
 booktitle={Proceedings of the 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops},
 series={CVPRW '23},
 title={Region-Based Appearance and Flow Characteristics for Anomaly Detection in Infrared Surveillance Imagery},
 year={2023},
 month={6},
 pages={2995--3005},
 numpages={11},
 doi={10.1109/CVPRW59228.2023.00301},
 publisher={IEEE/CVF},
 location={Vancouver, Canada},
}

TY  - CONF
AU  - Gaus, Yona Falinie A.
AU  - Bhowmik, Neelanjan
AU  - Isaac-Medina, Brian K. S.
AU  - Shum, Hubert P. H.
AU  - Atapour-Abarghouei, Amir
AU  - Breckon, Toby P.
T2  - Proceedings of the 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops
TI  - Region-Based Appearance and Flow Characteristics for Anomaly Detection in Infrared Surveillance Imagery
PY  - 2023
Y1  - 6 2023
SP  - 2995
EP  - 3005
DO  - 10.1109/CVPRW59228.2023.00301
PB  - IEEE/CVF
ER  - 

Ruochen Li, Stamos Katsigiannis and Hubert P. H. Shum, "Multiclass-SGCN: Sparse Graph-Based Trajectory Prediction with Agent Class Embedding," in ICIP '22: Proceedings of the 2022 IEEE International Conference on Image Processing, pp. 2346-2350, Bordeaux, France, IEEE, Oct 2022.

@inproceedings{li22multiclasssgcn,
 author={Li, Ruochen and Katsigiannis, Stamos and Shum, Hubert P. H.},
 booktitle={Proceedings of the 2022 IEEE International Conference on Image Processing},
 series={ICIP '22},
 title={Multiclass-SGCN: Sparse Graph-Based Trajectory Prediction with Agent Class Embedding},
 year={2022},
 month={10},
 pages={2346--2350},
 numpages={5},
 doi={10.1109/ICIP46576.2022.9897644},
 publisher={IEEE},
 location={Bordeaux, France},
}

TY  - CONF
AU  - Li, Ruochen
AU  - Katsigiannis, Stamos
AU  - Shum, Hubert P. H.
T2  - Proceedings of the 2022 IEEE International Conference on Image Processing
TI  - Multiclass-SGCN: Sparse Graph-Based Trajectory Prediction with Agent Class Embedding
PY  - 2022
Y1  - 10 2022
SP  - 2346
EP  - 2350
DO  - 10.1109/ICIP46576.2022.9897644
PB  - IEEE
ER  - 

Ben Rainbow, Qianhui Men and Hubert P. H. Shum, "Semantics-STGCNN: A Semantics-Guided Spatial-Temporal Graph Convolutional Network for Multi-Class Trajectory Prediction," in SMC '21: Proceedings of the 2021 IEEE International Conference on Systems, Man, and Cybernetics, pp. 2959-2966, Melbourne, Australia, IEEE, Oct 2021.

@inproceedings{rainbow21semantics,
 author={Rainbow, Ben and Men, Qianhui and Shum, Hubert P. H.},
 booktitle={Proceedings of the 2021 IEEE International Conference on Systems, Man, and Cybernetics},
 series={SMC '21},
 title={Semantics-STGCNN: A Semantics-Guided Spatial-Temporal Graph Convolutional Network for Multi-Class Trajectory Prediction},
 year={2021},
 month={10},
 pages={2959--2966},
 numpages={8},
 doi={10.1109/SMC52423.2021.9658781},
 issn={2959-2966},
 publisher={IEEE},
 location={Melbourne, Australia},
}

TY  - CONF
AU  - Rainbow, Ben
AU  - Men, Qianhui
AU  - Shum, Hubert P. H.
T2  - Proceedings of the 2021 IEEE International Conference on Systems, Man, and Cybernetics
TI  - Semantics-STGCNN: A Semantics-Guided Spatial-Temporal Graph Convolutional Network for Multi-Class Trajectory Prediction
PY  - 2021
Y1  - 10 2021
SP  - 2959
EP  - 2966
DO  - 10.1109/SMC52423.2021.9658781
SN  - 2959-2966
PB  - IEEE
ER  - 

Shoujiang Xu, Edmond S. L. Ho, Nauman Aslam and Hubert P. H. Shum, "Unsupervised Abnormal Behaviour Detection with Overhead Crowd Video," in SKIMA '17: Proceedings of the 2017 International Conference on Software, Knowledge, Information Management and Applications, pp. 1-6, Colombo, Sri Lanka, IEEE, Dec 2017.

@inproceedings{xu17unsupervised,
 author={Xu, Shoujiang and Ho, Edmond S. L. and Aslam, Nauman and Shum, Hubert P. H.},
 booktitle={Proceedings of the 2017 International Conference on Software, Knowledge, Information Management and Applications},
 series={SKIMA '17},
 title={Unsupervised Abnormal Behaviour Detection with Overhead Crowd Video},
 year={2017},
 month={12},
 pages={1--6},
 numpages={6},
 doi={10.1109/SKIMA.2017.8294092},
 issn={2573-3214},
 publisher={IEEE},
 location={Colombo, Sri Lanka},
}

TY  - CONF
AU  - Xu, Shoujiang
AU  - Ho, Edmond S. L.
AU  - Aslam, Nauman
AU  - Shum, Hubert P. H.
T2  - Proceedings of the 2017 International Conference on Software, Knowledge, Information Management and Applications
TI  - Unsupervised Abnormal Behaviour Detection with Overhead Crowd Video
PY  - 2017
Y1  - 12 2017
SP  - 1
EP  - 6
DO  - 10.1109/SKIMA.2017.8294092
SN  - 2573-3214
PB  - IEEE
ER  - 

Joseph Henry, Hubert P. H. Shum and Taku Komura, "Environment-Aware Real-Time Crowd Control," in SCA '12: Proceedings of the 2012 ACM SIGGRAPH/Eurographics Symposium on Computer Animation, pp. 193-200, Lausanne, Switzerland, Eurographics Association, Jul 2012.

@inproceedings{henry12environment,
 author={Henry, Joseph and Shum, Hubert P. H. and Komura, Taku},
 booktitle={Proceedings of the 2012 ACM SIGGRAPH/Eurographics Symposium on Computer Animation},
 series={SCA '12},
 title={Environment-Aware Real-Time Crowd Control},
 year={2012},
 month={7},
 pages={193--200},
 numpages={8},
 isbn={978-3-905674-37-8},
 publisher={Eurographics Association},
 Address={Aire-la-Ville, Switzerland},
 location={Lausanne, Switzerland},
}

TY  - CONF
AU  - Henry, Joseph
AU  - Shum, Hubert P. H.
AU  - Komura, Taku
T2  - Proceedings of the 2012 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
TI  - Environment-Aware Real-Time Crowd Control
PY  - 2012
Y1  - 7 2012
SP  - 193
EP  - 200
SN  - 978-3-905674-37-8
PB  - Eurographics Association
ER  - 

Ziyu Wang, Hongrui Kou, Cheng Wang, Ruochen Li, Hubert P. H. Shum, Amir Atapour-Abarghouei and Yuxin Zhang, "VRUD: A Drone Dataset for Complex Vehicle-VRU Interactions within Mixed Traffic," arXiv preprint arXiv:2604.01134, 2026.

@article{wang26vrud,
 author={Wang, Ziyu and Kou, Hongrui and Wang, Cheng and Li, Ruochen and Shum, Hubert P. H. and Atapour-Abarghouei, Amir and Zhang, Yuxin},
 journal={arXiv},
 title={VRUD: A Drone Dataset for Complex Vehicle-VRU Interactions within Mixed Traffic},
 year={2026},
 eprint={arXiv:2604.01134},
 archivePrefix={arXiv},
 primaryClass={cs.RO},
 url={https://arxiv.org/abs/2604.01134},
}

TY  - Preprint
AU  - Wang, Ziyu
AU  - Kou, Hongrui
AU  - Wang, Cheng
AU  - Li, Ruochen
AU  - Shum, Hubert P. H.
AU  - Atapour-Abarghouei, Amir
AU  - Zhang, Yuxin
JO  - arXiv preprints
SP  - arXiv:2604.01134
KW  - cs.RO
TI  - VRUD: A Drone Dataset for Complex Vehicle-VRU Interactions within Mixed Traffic
PY  - 2026
ER  - 

Haoran Duan, Fan Wan, Rui Sun, Zeyu Wang, Varun Ojha, Yu Guan, Hubert P. H. Shum, Bingzhang Hu and Yang Long, "Semi-Supervised Crowd Counting from Unlabeled Data," arXiv preprint arXiv:2108.13969, 2021.

@article{duan21crowd,
 author={Duan, Haoran and Wan, Fan and Sun, Rui and Wang, Zeyu and Ojha, Varun and Guan, Yu and Shum, Hubert P. H. and Hu, Bingzhang and Long, Yang},
 journal={arXiv},
 title={Semi-Supervised Crowd Counting from Unlabeled Data},
 year={2021},
 numpages={24},
 eprint={arXiv:2108.13969},
 archivePrefix={arXiv},
 primaryClass={cs.CV},
 doi={10.48550/arXiv.2108.13969},
 url={https://arxiv.org/abs/2108.13969},
}

TY  - Preprint
AU  - Duan, Haoran
AU  - Wan, Fan
AU  - Sun, Rui
AU  - Wang, Zeyu
AU  - Ojha, Varun
AU  - Guan, Yu
AU  - Shum, Hubert P. H.
AU  - Hu, Bingzhang
AU  - Long, Yang
JO  - arXiv preprints
SP  - arXiv:2108.13969
KW  - cs.CV
TI  - Semi-Supervised Crowd Counting from Unlabeled Data
PY  - 2021
DO  - 10.48550/arXiv.2108.13969
ER  -