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. (Accepted)
  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