Qianru Sun (Post-Doc)

Dr. Qianru Sun

Max-Planck-Institut für Informatik
Saarland Informatics Campus
Campus E1 4
66123 Saarbrücken
E1 4 - Room 613
+49 681 9325 2113
+49 681 9325 2099
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Personal Information

Research Interests

  • Human action recognition
  • Anomalous event detection
  • Social relation recognition





  • Mar 2016   Lise Meitner Award, by Max Planck Institute for Informatics
  • Sep 2014   Universiade International Scholarship, by Shenzhen Universiade Scholarship Foundation
  • Oct 2013   China Reconstruct Scholarship, by PKU
  • Aug 2011   Volunteer Forerunner Individual, by Universiade Organizing Committee
  • Oct 2011   Social Work Award, by PKU
  • Oct 2010 - Jun 2015   Doctoral Second-class Scholarship, by PKU
  • Oct 2008, Oct 2009   Tong Ding Second-class Scholarship, by NUPT
  • Oct 2007, Oct 2008, Oct 2009   Pivot of Merit Student, by NUPT
  • Oct 2007, Oct 2008, Oct 2009   School First-class Scholarship, by NUPT
  • Oct 2007   National Scholarship, by National Ministry of Education & NUPT




  1. Qianru Sun, Mario Fritz and Bernt Schiele. A Domain Based Approach to Social Relation Recognition. CVPR 2017. [Paper]
  2. Qianru Sun, Hong Liu and Tatsuya Harada. Online Growing Neural Gas for Anomaly Detection in Changing Surveillance Scenes. Pattern Recognition. April 2017, Volume 64, Pages 187-201. [Paper]


  1. Qianru Sun, Hong Liu, Liqian Ma and Tianwei Zhang. A Novel Hierarchical Bag-of-Words Model for Compact Action Representation. NeuroComputing, Volume 174 Part B, 22 January 2016, Pages 722–732. [Paper]
  2. Qianru Sun, Hong Liu, Mengyuan Liu and Tianwei Zhang. Activity Prediction by Mapping Key Grouplets to Recurrent Self-Organizing Map. NeuroComputing, Volume 177, 12 February 2016, Pages 427–440. [Paper]
  3. Mengyuan Liu, Hong Liu, Qianru Sun, Tianwei Zhang and Runwei Ding. Salient Pairwise Spatio-temporal Interest Points for Real-time Activity Recognition. CAAI Transactions on Intelligence Technology, Volume 1, Issue 1, January 2016, Pages 14–29. [Paper]
  4. Liqian Ma, Hong Liu, Liang Hu, Can Wang, and Qianru Sun. Orientation Driven Bag of Appearances for Person Re-identification. arXiv preprint arXiv:1605.02464. [Paper]


  1. Hong Liu, Mengyuan Liu and Qianru Sun. Learning Directional Co-occurrence for Human Action Classification. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014), May 4-9, 2014, Florence, Italy. [Paper(PDF)]
  2. Mengyuan Liu, Hong Liu and Qianru Sun. Action Classification by Exploring Directional Co-occurrence of Weighted STIPS. IEEE International Conference on Image Processing (ICIP 2014), Paris, France. [Paper(PDF)]
  3. Yuke Sun, Hong Liu and Qianru Sun. Online Learning on Incremental Distance Metric for Person Re-identification. International Conference on Robotics and Biomimetics (ROBIO 2014), December 5-10, 2014, Bali, Indonesia. [Paper(PDF)]
  4. Hong Liu, Qiaoduo Zhang and Qianru Sun. Human Action Classification Based on Sequential Bag-of-Words Model. International Conference on Robotics and Biomimetics (ROBIO 2014), December 5-10, 2014, Bali, Indonesia. [Paper(PDF)]
  5. Hong Liu, Zilin Liang and Qianru Sun. Robust Tracking with Discriminative Ranking Middle-level Patches. International Journal of Advanced Robotic Systems, 2014, 11:68. doi: 10.5772/ 58430. [Paper(PDF)]


  1. Qianru Sun, Wenmin Wang and Hong Liu. A study of human actions representation in video sequences. CAAI Transactions on Intelligent Systems, 8(3): 189-198, June 2013.
  2. Qianru Sun, Hong Liu. Inferring Ongoing Human Activities Based on Recurrent Self-Organizing Map Trajectory. The 24th British Machine Vision Conference (BMVC 2013), Pages 11.1-11.10, September 9-13, 2013, Bristol, U.K.. [Paper(PDF)]
  3. Qianru Sun, Hong Liu. Learning Spatio-Temporal Co-occurrence Correlograms for Efficient Human Action classification. IEEE International Conference on Image Processing (ICIP 2013), Pages 3220-3224, September 15-18, 2013, Melbourne, Australia. [Paper(PDF)]


  1. Qianru Sun, Hong Liu. Action Disambiguation Analysis Using Normalized Google-Like Distance Correlogram. The 11th Asian Conference on Computer Vision (ACCV 2012 oral), Pages 425-437, November 5-9, 2012, Daejeon, Korea. (Acceptance Rate 3.6%) [Paper(PDF)]


External Activities

  • IEEE Transactions on Multimedia, Reviewer
  • International Journal of Computer Vision, Reviewer
  • NeuroComputing, Reviewer
  • IEEE Transactions on Circuits and Systems for Video Technology, Reviewer
  • CAAI Transactions on Intelligence Technology, Editorial Board Member
  • ICRA 2014 and 2015, Reviewer
  • ISWC 2016, Reviewer
  • SPLINE 2016, Technical committee member