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.


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



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.


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

  • 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)

  • 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.

    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.

    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

  • 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

    Locations of visitors to this page


    © Rongrong Ji - Last modified on October, 12, 2012