Wongun Choi (최원건)

Computer Vision Researcher, Ph.D.

NEC Laboratories America, Inc
10080 N. Wolfe Rd. Suite SW3-350
Cupertino, CA 95014

Email: wongun at nec-labs dot com

Brief Bio

I am a computer vision researcher at NEC Laboratories. I received my Ph.D degree at the Dept. of Electrical and Computer Engineering, University of Michigan, Ann Arbor under the supervision of Prof. Silvio Savarese. My research interests include Machine Learning and Computer Vision with particular interests in human behavior understanding and multiple target tracking. I got my B.S degree in Electrical Engineering at Seoul National University before I moved to Ann Arbor.

[CV] [Google Scholar]

News

  •  [NEW] One paper is accepted to ECCV 2014. (updated on 08/11/2014)
  •   One paper is accepted to PAMI 2014. (updated on 01/12/2014)
  •   One paper is accepted to ICCV 2013 and two papers are accepted to ICIAP 2013. (updated on 09/09/2013)
  •   I am co-organizing the first workshop on Understanding Human Activities: Context and Interactions in conjuntion with ICCV 2013, along with Mohamed Amer, Sameh Khamis, and Tian Lan. Please see here for more details. (08/01/2013)

Journal/Book Chapter Publications

  1. W. Choi and S. Savarese, Understanding Collective Activities of People from Videos, PAMI 2014, [link]
  2. W. Choi and S. Savarese, Recognizing Complex Human Activities via Crowd Context, Book Chapter, Augmented Vision and Reality, Springer 2013, [link]
  3. W. Choi, C. Pantofaru and S. Savarese, A General Framework for Tracking Multiple People from a Moving Camera, PAMI 2013, [pdf][details][bibtex]

Conference/Workshop Publications

  1. W. Choi, Y. Chao, C. Pantofaru and S. Savarese, Discovering Groups of People in Images, ECCV, 2014, [pdf] [project]
  2. R. Tokola, W. Choi, and S. Savarese, Breaking the chain: liberation from the temporal Markov assumption for tracking human poses, ICCV, 2013 [pdf] [bibtex]
  3. G. Gemignani, W. Choi, A. Ferone, A. Petrosino, and S. Savarese, A Bayesian Approach to Tracking Learning Detection, ICIAP, 2013 [pdf]
  4. Y.Chao, W. Choi, C. Pantofaru and S. Savarese, Layout Estimation of Highly Cluttered Indoor Scenes using Geometric and Semantic Cues, ICIAP, 2013, [pdf] [project] [bibtex]
  5. W. Choi, Y. Chao, C. Pantofaru and S. Savarese, Understanding Indoor Scenes using 3D Geometric Phrases, CVPR, 2013, accepted as an Oral Presentation - 3.2% acceptance rate (60/1870), [pdf] [project] [supplemental material] [techtalks.tv] [bibtex]
  6. W. Choi and S. Savarese, A Unified Framework for Multi-Target Tracking and Collective Activity Recognition, ECCV, 2012, accepted as an Oral Presentation - 2.8% acceptance rate, [pdf] [project] [supplementary material] [pptx (Office 2010)] [videolectures.net] [bibtex]
  7. W. Choi, C. Pantofaru and S. Savarese, Detecting and Tracking People using an RGB-D Camera via Multiple Detector Fusion, Workshop on Challenges and Opportunities in Robot Perception (in conjunction with ICCV-11), 2011, [pdf] [bibtex]
  8. W. Choi, K. Shahid and S. Savarese, Learning Context for Collective Activity Recognition, CVPR, 2011, [pdf] [bibtex]
  9. W. Choi and S. Savarese, Multiple Target Tracking in World Coordinate with Single, Minimally Calibrated Camera, ECCV, 2010, [pdf] [project] [bibtex]
  10. W. Choi, K. Shahid and S. Savarese, What are they doing? : Collective Activity Classification using Spatio-Temporal Relationship among People, 9th International Workshop on Visual Surveillance (VSWS09) in conjuction with ICCV 09 [pdf] [project] [bibtex]

Talks

  • Guest Lecture, Computer Vision Class at Stanford University, Stanford, US. "Multiple Target Tracking and Collective Human Activity Understanding", Oct 2013.
  • Seminar, "Understanding Complex Human Behaviors in Videos", VASC Seminar, CMU, Mar 2013
  • Seminar, "Understanding Complex Human Behaviors in Videos", Vision Seminar, UMD, Mar 2013
  • Oral Presentation, "A Unified Framework for Multi-Target Tracking and Collective Activity Recognition", In ECCV, Oct 2012 [videolectures.net]
  • Oral Presentation, "A Unified Framework for Multi-Target Tracking and Collective Activity Recognition", In Midwest Vision Workshop, UIUC, Sep 2012
  • Public Seminar, Seoul National University, Seoul, Korea, host by Prof. Jinyoung Choi. "Understanding Complex Human behaviour by Spatio-Temporal Interactions", Aug 2012.
  • Lab Seminar, Computer Vision Lab at Yonsei University, Seoul, Korea, host by Prof. Hyeran Byun. "Understanding Complex Human behaviour by Spatio-Temporal Interactions", Aug 2012.
  • Guest Lecture, Computer Vision Class at University of Michigan, Ann Arbor, US. "Intro to Object Recognition", Nov 2011.

Awards

  • Best poster presentation award during 2012 Engineering Graduate Symposium (University of Michigan)
  • Best poster presentation award during 2009 Engineering Graduate Symposium (University of Michigan)

Internship Experience

Links

  • UMich Vision Lab [here]

  Last updated on Aug 11, 2014