10 May 2021
We are holding the 3rd Video Relation Understanding Grand Challenge (ACM MM2021, Chengdu). Please visit here for details.

10 December 2020
One full paper is accepted by AAAI'21, about natural language video localization.

25 August 2020
I have successfully defended my thesis and got the PhD degree! My thesis title is "Research on pixel-level semantic understanding based on deep learning".

Wei Ji 

Research Fellow

School of Computing
National University of Singapore

Computing 1, Computing Drive, Singapore 117417

Email: weiji0523 AT

Email: jiwei AT
Google Scholar

I am a research fellow in NExT++, School of Computing, National University of Singapore. I have published several papers in top conferences such as AAAI, IJCAI, and journals including TPAMI, TIP and TCYB. My research interests include Computer Vision, Video Understanding, Vision and Language. Moreover, I have served as the PC member for top-tier conferences including AAAI and ACM MM.


Postdoc Research Fellow, National University of Singapore, November 2020 - Present
Advisior: Prof. Tat-Seng Chua (NExT++: NUS-Tsinghua-Southampton Extreme Search Center)


Zhejiang University (ZJU)
Ph.D. in Computer Science                                           September 2015 - August 2020, Hangzhou, China
Advisor: Prof. Xi Li and Prof. Yueting Zhuang
Nanjing University of Science and Technology (NJUST)
Bachelor in Computer Science and Engineering      September 2011 - June 2015, Nanjing, China

Publications Google Scholar

Boundary Proposal Network for Two-Stage Natural Language Video Localization
Shaoning Xiao, Long Chen, Songyang Zhang, Wei Ji, Jian Shao, Lu Ye, Jun Xiao
AAAI 2021 (Full)   

Context-Aware Graph Label Propagation Network for Saliency Detection
Wei Ji, Xi Li, Lina Wei, Fei Wu, Yueting Zhuang
IEEE Transactions on Image Processing (TIP 2020)   

Human-centric clothing segmentation via deformable semantic locality-preserving network
Wei Ji, Xi Li, Fei Wu, Zhijie Pan, Yueting Zhuang
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT 2019)  

Context-aware deep spatiotemporal network for hand pose estimation from depth images
Yiming Wu, Wei Ji, Xi Li, Gang Wang, Jianwei Yin, Fei Wu
IEEE Transactions on Cybernetics (TCYB 2018)  

Multi-task structure-aware context modeling for robust keypoint-based object tracking
Xi Li, Liming Zhao, Wei Ji, Yiming Wu, Fei Wu, Ming-Hsuan Yang, Dacheng Tao, Ian Reid
IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI 2018)  

Semantic Locality-Aware Deformable Network for Clothing Segmentation
Wei Ji, Xi Li, Yueting Zhuang, Omar El Farouk Bourahla, Yixin Ji, Shihao Li, Jiabao Cui
International Joint Conference on Artificial Intelligence (IJCAI 2018)  

Professional Services

Program Committee Member of AAAI (2021)
Program Committee Member of ACMMM (2021)
Program Committee Member of ACM Multimedia Asia (2021)


Outstanding Graduate, Zhejiang University   2020   
Distinguished Doctoral Scholarship, Zhejiang University   2018-2019   
Outstanding Graduate, Nanjing University of Science and Technology   2015   
National Scholarship, Nanjing University of Science and Technology  2014