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Rongrong Ji
This is my new homepage at Columbia University.
I have been a postdoc researcher in DVMM laboratory since October 2010,
working with Professor Shih-Fu Chang.
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Contact Information
PostDoc Researcher at DVMM Lab
Department of Electrical Engineering, Columbia University
Address: Room 712, Schapiro Research Building (CEPSR).
Mail: 1312 S. W. Mudd, 500 West 120th Street, New York, NY 10027
Phone: (212) 854-3105, Fax: (212) 932-9421, Mobile: 917-655-3190
Email: jirongrong at gmail.com or rrji at ee.columbia.edu
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September 2012: I have joined the technical program committee of CVPR 2013
July 2012: I have co-organized a special session of Mobile-based Multimedia Analysis in MMM 2013
June 2012: I have co-organized a special session of Location-based Social Media in PCM 2012
April 2012: I have joined the technical program committee of ACM Multimedia 2012
Research Interest
My research interests fall in the areas of computer vision and multimedia.
My recent works mainly focus on social media, visual search, and computerized scene understanding.
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Education Background
September 2007 – Normber 2011
Doctor, Department of Computer Science and Technology, Harbin Institute of Technology
September 2005 – July 2007
Master, Department of Computer Science and Technology, Harbin Institute of Technology
September 2001 - July 2005
Bachelor, Department of Computer Science and Technology, Harbin Engineering University
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Research Experiences
October, 2010 - now, PostDoc Researcher
Digital Video and Multimedia Lab (Advisor: Professor Shih-Fu Chang)
May, 2010 – October 2010
Visiting Student: Institute of Digital Media, Peking University (Advisor: Professor Wen Gao)
April, 2010 – May, 2010
Visiting Student, Texas University at San Antonio (Advisor: Professor Qi Tian)
August, 2007 - September, 2008
Research Intern: Microsoft Research Asia (Advisor: Dr. Xing Xie)
September, 2005 – October 2010
Research Assistant, Visual Intelligence Laboratory, (Advisor: Professor Hongxun Yao)
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Selected Journal Publications
- Rongrong Ji, Ling-Yu Duan, Jie Chen, Hongxun Yao, Junsong Yuan, Yong Rui, and Wen Gao.
Location Discriminative Vocabulary Coding for Mobile Landmark Search
International Journal of Computer Vision (IJCV), 2012.
- Rongrong Ji, Hongxun Yao, Wei Liu, Xiaoshuai Sun, and Qi Tian.
Task Dependent Visual Codebook Compression
IEEE Transactions on Image Processing (TIP), 2012.
- Yue Gao, Meng Wang, Dacheng Tao, Rongrong Ji, Qionghai Dai, and Naiyao Zhang.
3D Object Retrieval and Recognition with Constructive Hypergraph Analysis
IEEE Transactions on Image Processing (TIP), 2012.
- Rongrong Ji, Ling-Yu Duan, Hongxun Yao, Lexing Xie, Yong Rui and Wen Gao.
Learning to Distribute Vocabulary Indexing for Scalable Visual Search
IEEE Transactions on Multimedia (TMM), 2012.
- Rongrong Ji, Felix X. Yu, and Shih-Fu Chang.
Active Query Sensing for Mobile Location Search
ACM Transactions on Multimedia Computing,
Communications and Applications (TOMCCAP), 2012.
- Dong Liu, Shuicheng Yan, Rongrong Ji, Xian-Sheng Hua, and Hong-Jiang Zhang.
Image Retrieval with Query-Adaptive Hashing
ACM Transactions on Multimedia Computing,
Communications and Applications (TOMCCAP), 2012.
- Rongrong Ji, Bineng Zhong, Hongxun Yao, and Qi Tian.
Mining City Landmarks by Modeling Reconstruction Sparsity
ACM Transactions on Multimedia Computing,
Communications and Applications (TOMCCAP), 2011.
- Rongrong Ji, Hongxun Yao, Xiaoshuai Sun, Pengfei Xu, Xianming Liu, and Qi Tian.
Context-aware Semi-Local Feature Detector
ACM Transactions on Intelligent System and Technology (TIST), 2012.
- Rongrong Ji, Hongxun Yao, and Xiaoshuai Sun.
Actor-Independent Action Search Using Spatiotemporal Vocabulary with Appearance Hashing
Pattern Recognition (PR), 2011.
- Rongrong Ji, Hongxun Yao, Xing Xie, and Qi Tian.
Vocabulary Hierarchy Optimization and Transfer for Scalable Image Search
IEEE Multimedia Magazine (IEEE MM),
Special Issue on Visual Content Identification and Search, Accept, 2011.
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Selected Conference Publications
- Wei Liu, Jun Wang, Rongrong Ji, Yu-Gang Jiang, and Shih-Fu Chang.
Supervised Hashing with Kernels
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), Oral, 2012.
- Xiaoshuai Sun, Hongxun Yao, and Rongrong Ji.
What Are We Looking For: Towards Statistical Modeling of Saccadic Eye Movements and Visual Saliency
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), Oral, 2012.
- Rongrong Ji, Ling-Yu Duan, Jie Chen, and Wen Gao.
Towards Compact Topical Descriptor
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), 2012.
- Liujuan Cao*, Rongrong Ji*, Yue Gao, Yi Yang, and Qi Tian.
Weakly Supervised Coding with Geometric Consistency Pooling
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), (* denotes equal contributions), 2012.
- Felix X. Yu, Rongrong Ji, Ming-Hen Tsai, Guangnan Ye, and Shih-Fu Chang.
Weak attributes for large-scale image retrieval
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), 2012.
- Rongrong Ji, Hongxun Yao, Xiaoshuai Sun, Bineng Zhong, and Wen Gao.
Towards Semantic Embedding in Visual Vocabulary
IEEE International Conference of Computer Vision and Pattern Recognition (CVPR), Oral, 2010.
- Bineng Zhong, Hongxun Yao, Rongrong Ji, Xiaotong Yuan, Shaohui Liu, and Wen Gao.
Visual Tracking via Weakly Supervised Learning from Multiple Imperfect Oracles
IEEE International Conference of Computer Vision and Pattern Recognition (CVPR), 2010.
- Dawei Liang, Qingming Huang, Hongxun Yao, Shuqiang Jiang, Rongrong Ji, and Wen Gao.
Novel Observation Model for Probabilistic Object Tracking
IEEE International Conference of Computer Vision and Pattern Recognition (CVPR), 2010.
- Rongrong Ji, Xing Xie, Hongxun Yao, and Wei-Ying Ma.
Hierarchical Optimization of Visual Vocabulary for Effective and Transferable Retrieval
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), 2009.
- Rongrong Ji, Ling-Yu Duan, Jie Chen, Hongxun Yao, and Wen Gao.
Learning Compact Visual Descriptor for Low Bit Rate Mobile Landmark Search
International Joint Conference of Artificial Intelligence (IJCAI), 2011.
- Yi Yang, Heng Tao Shen, Feiping Nie, Rongrong Ji, and Xiaofang Zhou.
Nonnegative Spectral Clustering with Discriminative Regularization
Twenty-Fifth Conference on Artificial Intelligence (AAAI), 2011.
- Rongrong Ji, Ling-Yu Duan, Jie Chen, Hongxun Yao, Yong Rui, Shih-Fu Chang, and Wen Gao.
Towards Low Bit Rate Mobile Visual Search with Multiple Channel Coding
ACM Multimedia (MM), Full Paper, Oral, 2011.
- Felix X. Yu, Rongrong Ji, and Shih-Fu Chang.
Active Query Sensing
ACM Multimedia (MM), Full Paper, Oral, 2011 (Best Paper Award).
- Xianming Liu, Hongxun Yao, Rongrong Ji, and Qi Tian.
Learning Heterogeneous Data for Hierarchical Web Video Classification
ACM Multimedia (MM), Full Paper, Oral, 2011.
- Rongrong Ji, Xing Xie, Hongxun Yao, Wei-Ying Ma.
Mining City Landmarks from Blogs by Graph Modeling
ACM Multimedia (MM), Oral, 2009.
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Selected Academic Services
Associate Editor
Frontiers of Computer Science
Section Chair
Multimedia Modeling, 2013
Pacific Rim Conference on Multimedia, 2012
Program Committee Member
Computer Vision and Pattern Recognition 2013
European Conference on Computer Vision 2012
ACM Multimedia, 2012
ACM Multimedia, 2011
Journal Reviewer
IEEE Signal Processing Magazine
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Image Processing
IEEE Transactions on Multimedia
IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Circuits and Systems for Video Technology
IEEE Transactions on System man and Cybernetics Part A, B, C
ACM Transactions on Multimedia Computing, Communication and Application
ACM Transactions on Information Systems
Pattern Recognition
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Selected Awards
2011 ACM Multimedia Best Paper Award
2010 CVPR Doctoral Consortium Award
2009 Ongoing Excellent PH.D. Thesis Award of HIT
2008 Tencent Fellowship
2007 Microsoft Fellowship
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© Rongrong Ji - Last modified on October, 12, 2012
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