Computer & Vision Research Center
M. S. Ryoo, T. J. Fuchs, L. Xia, J. K. Aggarwal, and L. Matthies, "Robot-Centric Activity Prediction from First-Person Videos: What Will They Do to Me?", ACM/IEEE International Conference on Human-Robot Interaction (HRI), March 2015.(pdf)
Shaohua Wan, and J.K. Aggarwal, "Robust Object Recognition in RGB-D Egocentric Videos based on Sparse Affine Hull Kernel.", 26th IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPR Workshops 2015), Boston, US, June 2015
Shaohua Wan, and J.K. Aggarwal, "Mining Discriminative States of Hands and Objects to Recognize Egocentric Actions with a Wearable RGBD Camera.", 26th IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPR Workshops 2015), Boston, US, June 2015
Lu Xia, Ilaria Gori, J. K. Aggarwal and M. S. Ryoo, "Robot-Centric Activity Recognition from First-Person RGB-D Videos", IEEE Winter Conference on Applications of Computer Vision (WACV), Waikoloa Beach, HI, January, 2015.
Jie Shao, Ilaria Gorib, Shaohua Wan, J.K. Aggarwal, “3D Dynamic Facial Expression Recognition using Low-Resolution Videos.”, Pattern Recognition Letters (to appear), 2015
"Human Activity Recognition From 3D Data: A Review", Pattern Recognition Letters Special Issue in the honor of Professor Maria Petrou,2014 (with Lu Xia)
"Spontaneous Facial Expression Recognition: A Robust Metric Learning Approach", Pattern Recognition, 47, (5), May 2014, 1859-1868 (with Shaohua Wan)
"Video Event Description in Scene Context", NeuroComputing, Special Issue on Intelligent Processing Techniques for Semantic-based Image and Video Retrieval, Jan 2013 vol.119 pp. 82-93 ( with Chunmei Liu, Changbo Hu and Qingshau Liu).
"Spatio-Temporal Depth Cuboid Similarity Feature for Activity Recognition Using Depth Camera. 24th IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Portland, Oregon, June 2013, (with Lu Xia) (pdf)
"A Scalable Metric Learning-Based Voting Method for Expression Recognition", 10th International Conference on Automatic Face and Gesture Recognition (FG2013), Shanghai, China, April 2013, (with Shaohua Wan)
"Nonparametric Facial Feature Localization", IEEE Workshop on Analysis and Modeling of Faces and Gestures (AMFG) in conjunction with 24th IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Portland, Oregon, June 2013, (with Birgi Tamersoy and Changbo Hu)
"Computer Recognition of Human Activities, Objects and their Interactions", Ibpria 2013, Madeira, Portugal June 5, 2013
"Computer Vision based Strategies for Improving Communication Skills of Children with Autism Spectrum Disorders", The University of Porto, Porto, Portugal June 14, 2013.
L. Xia, C.-C. Chen, and J. K. Aggarwal, "View Invariant Human Action Recognition Using Histograms of 3D Joints", The 2nd International Workshop on Human Activity Understanding from 3D Data (HAU3D) in conjunction with IEEE CVPR 2012, Providence, RI, June 2012. (pdf) (dataset)
Josh Harguess, Changbo Hu and J. K. Aggarwal, "Full-Motion Recovery from Multiple Video Cameras Applied to Face Tracking and Recognition", The Eleventh IEEE International Workshop on Visual Surveillance (VS2011) in conjunction with IEEE ICCV 2011, Barcelona, Spain, November 2011. (pdf)
Chunmei Liu, Changbo Hu and J. K. Aggarwal, "Eigenshape Kernel Based Mean Shift for Human Tracking", The Eleventh IEEE International Workshop on Visual Surveillance (VS2011) in conjunction with IEEE ICCV 2011, Barcelona, Spain, November 2011. (pdf)
Josh Harguess, Changbo Hu and J. K. Aggarwal, "Occlusion Robust Multi-Camera Face Tracking", The 3rd International Workshop on Machine Learning for Vision-based Motion Analysis (MLvMA-2011) in conjunction with IEEE CVPR 2011, Colorado Springs, CO, June 2011. (pdf)
Josh Harguess and J. K. Aggarwal, "Is There a Connection Between Face Symmetry and Face Recognition?", IEEE Computer Society and IEEE Biometrics Council Workshop on Biometrics in conjunction with IEEE CVPR 2011, Colorado Springs, CO, June 2011. (pdf)
L. Xia, C.-C. Chen, and J. K. Aggarwal, "Human Detection Using Depth Information by Kinect", International Workshop on Human Activity Understanding from 3D Data in conjunction with CVPR (HAU3D), Colorado Springs, CO, June 2011. (pdf) (Dataset)
J. T. Lee*, C.-C. Chen*, and J. K. Aggarwal,, "Recognizing Human-Vehicle Interactions from Aerial Video without Training", Workshop of Aerial Video Processing in conjunction with CVPR (WAVP), Colorado Springs, CO, June 2011 (* these two authors contributed to the paper equally). (pdf)
C.-C. Chen and J. K. Aggarwal, "Modeling Human Activities as Speech", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), Colorado Springs, CO, June 2011. (pdf)
S. Oh, A. Hoogs, A. Perera, N. Cuntoor, C.-C. Chen, J. T. Lee, S. Mukherjee, J. K. Aggarwal, H. Lee, L. Davis, E. Swears, X. Wang, Q. Ji, K. Reddy, M. Shah, C. Vondrick, H. Pirsiavash, D. Ramanan, J. Yuen, A. Torralba, B. Song, A. Roy-Chowdhury, and M. Desai, "A Large-scale Benchmark Dataset for Event Recognition in Surveillance Video", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), Colorado Springs, CO, June 2011. (pdf) (link)
M. S. Ryoo and J. K. Aggarwal, "Stochastic Representation and Recognition of High-level Group Activities", International Journal of Computer Vision (IJCV), 93(2):183-200, June 2011. (pdf)
J. K. Aggarwal and M. S. Ryoo, "Human Activity Analysis: A Review", ACM Computing Surveys (CSUR), 43(3), April 2011. (pdf)
Birgi Tamersoy and J. K. Aggarwal, "Exploiting Geometric Restrictions in a PTZ Camera for Finding Point-correspondences Between Configurations", IEEE International Conference on Advanced Video and Signal based Surveillance (AVSS), Boston, USA, September 2010. (pdf)
Birgi Tamersoy and J. K. Aggarwal, "Counting Vehicles in Highway Surveillance Videos", 20th International Conference on Pattern Recognition (ICPR), Istanbul,Turkey, August 2010.
C.-C. Chen and J. K. Aggarwal, "Human Shadow Removal with Unknown Light Source",International Conference on Pattern Recognition (ICPR), Istanbul, Turkey, August 2010. (pdf)
M. S. Ryoo, C.-C. Chen, J. K. Aggarwal, and A. Roy-Chowdhury, "An Overview of Contest on Semantic Description of Human Activities (SDHA) 2010", International Conference on Pattern Recognition (ICPR) Contests, August 2010. (pdf) (link)
M. S. Ryoo*, J. T. Lee*, and J. K Aggarwal, "Video Scene Analysis of Interactions between Humans and Vehicles Using Event Context", ACM International Conference on Image and Video Retrieval (CIVR), Xian, China, July 2010 (invited) (* these two authors contributed to the paper equally) (pdf)
M. S. Ryoo, K. Grauman, and J. K. Aggarwal, "A Task-Driven Intelligent Workspace System to Provide Guidance Feedback", Computer Vision and Image Understanding (CVIU) special issue on Intelligent Vision Systems, 114(5):520-534, May 2010. (pdf)
Josh Harguess and J.K. Aggarwal, "The Average-Half-Face in 2D and 3D Face Recognition", Pattern Recognition and Machine Vision: In Honor and Memory of Professor King-Sun Fu, River Publishers, Aalborg, Denmark, Ch. 9, pp. 135-148, 2010. (link)
J. T. Lee, M. S. Ryoo, and J. K Aggarwal, "View Independent Recognition of Human-vehicle Interactions using 3-D Models", IEEE Workshop on Motion and Video Computing (WMVC), Utah, USA, December 2009. (pdf)
C.-C. Chen and J. K. Aggarwal, "Recognizing Human Action from a Far Field of View", IEEE Workshop on Motion and Video Computing (WMVC), Utah, USA, December 2009. (pdf)
Josh Harguess, Changbo Hu, and J. K. Aggarwal, "Fusing Face Recognition from Multiple Cameras", IEEE Workshop on Applications of Computer Vision (WACV), Utah, USA, December 2009. (pdf)
Josh Harguess and J.K. Aggarwal, "Semantic Labeling of Track Events Using Time Series Segmentation and Shape Analysis", IEEE International Conference on Image Processing (ICIP), Cairo, Egypt, November 2009. (pdf)
Changbo Hu, Josh Harguess, and J.K. Aggarwal, "Patch-based Face Recognition from Video", IEEE International Conference on Image Processing (ICIP), Cairo, Egypt, November 2009. (pdf)
Elden Yu and J.K. Aggarwal, "Detecting Persons Climbing Fences", International Journal of Pattern Recognition and Artificial Intelligence, 23(7):1309-1332, November 2009.
M. S. Ryoo and J. K Aggarwal, "Spatio-Temporal Relationship Match: Video Structure Comparison for Recognition of Complex Human Activities", IEEE International Conference on Computer Vision (ICCV), Kyoto, Japan, October 2009. (pdf)
Birgi Tamersoy and J.K. Aggarwal, "Robust Vehicle Detection for Tracking in Highway Surveillance Videos using Unsupervised Learning", IEEE International Conference on Advanced Video and Signal based Surveillance (AVSS), Genoa, Italy, September 2009. (pdf)
J. T. Lee, M. S. Ryoo, M. Riley, and J. K. Aggarwal, "Real-Time Illegal Parking Detection in Outdoor Environments Using 1-D Transformation", IEEE Transactions on Circuits and Systems for Video Technology (T-CSVT), 19(7):1014-1024, July 2009. (pdf)
Elden Yu and J. K. Aggarwal, "Human Action Recognition with Extremities as Semantic Posture Representation", International Workshop on Semantic Learning and Applications in Multimedia (SLAM, in conjunction with CVPR), Miami, FL, June 2009. (pdf)
Josh Harguess and J. K. Aggarwal, "A Case for the Average-Half-Face in 2D and 3D for Face Recognition", IEEE Computer Society Workshop on Biometrics (in conjunction with CVPR), Miami, FL, June 2009. (pdf)
M. S. Ryoo and J. K. Aggarwal, "Stochastic Representation and Recognition of High-level Group Activities: Describing Structural Uncertainties in Human Activities", First International Workshop on Stochastic Image Grammars (SIG-09, in conjunction with CVPR), Miami, FL, June 2009. (pdf)
M. Bhargava, C.-C. Chen, M. S. Ryoo, and J. K. Aggarwal, "Detection of Object Abandonment Using Temporal Logic", Journal of Machine Vision and Applications (MVA), 20(5):271-281, June 2009. (pdf)
M. S. Ryoo and J. K Aggarwal, "Semantic Representation and Recognition of Continued and Recursive Human Activities", International Journal of Computer Vision (IJCV), 82(1):1-24, April 2009. (pdf)
Josh Harguess, Shalini Gupta and J. K Aggarwal, "3D Face Recognition with the Average-Half-Face", International Conference on Pattern Recognition (ICPR), Tampa, FL, December 2008. (pdf)
C.-C. Chen and J. K. Aggarwal, "Recognition of Box-like Objects by Fusing Cues of Shape and Edges", International Conference on Pattern Recognition (ICPR), Tampa, FL, December 2008. (pdf)
M. S. Ryoo and J. K Aggarwal, "Human Activities: Handling Uncertainties Using Fuzzy Time Intervals", International Conference on Pattern Recognition (ICPR), Tampa, FL, December 2008. (pdf)
C.-C. Chen and J. K. Aggarwal, "An Adaptive Background Model Initialization Algorithm with Objects Moving at Different Depths", IEEE International Conference on Image Processing (ICIP), San Diego, CA, October 2008. (pdf)
M. S. Ryoo and J. K. Aggarwal, "Observe-and-Explain: A New Approach for Multiple Hypotheses Tracking of Humans and Objects", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), Anchorage, AK, June 2008. (pdf)
M. S. Ryoo and J. K. Aggarwal, "Recognition of High-level Group Activities Based on Activities of Individual Members", Proceedings of IEEE Workshop on Motion and Video Computing (WMVC), January 2008. (pdf)
G. Jun, J. K. Aggarwal, and M. Gokmen, "Tracking and Segmentation of Highway Vehicles in Cluttered and Crowded Scenes", Proceedings of IEEE Workshop on Application of Computer Vision (WACV), January 2008. (pdf)
J. T. Lee, M. S. Ryoo, M. Riley, and J. K. Aggarwal, "Real-time Detection of Illegally Parked Vehicles using 1-D Transformation", Proceedings of 2007 IEEE International Conference on Advanced Video and Signal based Surveillance (AVSS), London, UK, September 2007. (pdf)
M. Bhargava, C.-C. Chen, M. S. Ryoo, and J. K. Aggarwal, "Detection of Abandoned Objects in Crowded Environments", Proceedings of 2007 IEEE International Conference on Advanced Video and Signal based Surveillance (AVSS), London, UK, September 2007. (pdf)
M. S. Ryoo and J. K. Aggarwal, "Hierarchical Recognition of Human Activities Interacting with Objects", Proceedings of 2nd International Workshop on Semantic Learning Applications in Multimedia (SLAM), in conjunction with CVPR, Minneapolis, MN, June 2007. (pdf)
M. S. Ryoo and J. K. Aggarwal, "Robust Human-Computer Interaction System Guiding a User by Providing Feedback", International Joint Conference on Artificial Intelligence (IJCAI), pp. 2850-2855, Hyderabad, India, January 2007. (pdf)
M. S. Ryoo and J. K. Aggarwal, "Recognition of Composite Human Activities through Context-Free Grammar Based Representation", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), vol. 2, pp. 1709-1718, New York, NY June 2006. (pdf)
Elden Yu and J. K. Aggarwal, "Detection of Stable Contacts for Human Motion Analysis", ACM Multimedia Workshop on Visual Surveillance & Sensor Networks (VSSN), pp. 87-94, Santa Barbara, October 2006.
Elden Yu and J. K. Aggarwal, "Detection of Fence Climbing from Monocular Video", International Conference on Pattern Recognition (ICPR), vol. 1, pp. 375-378, Hong Kong, August 2006. (pdf)
M. S. Ryoo and J. K. Aggarwal, "Semantic Understanding of Continued and Recursive Human Activities", International Conference on Pattern Recognition (ICPR), vol. 1, pp. 379~382, Hong Kong, August 2006. (pdf)
J. K. Aggarwal: Human Activity Recognition - A Grand Challenge. ICEIS (1) 2006: 5
Sangho Park, J. K. Aggarwal: Simultaneous tracking of multiple body parts of interacting persons. Computer Vision and Image Understanding 102(1): 1-21 (2006) (pdf)
Quming Zhou, J. K. Aggarwal: Object tracking in an outdoor environment using fusion of features and cameras. Image Vision Comput. 24(11): 1244-1255 (2006) (pdf)
J. K. Aggarwal, Rita Cucchiara: Special issue on multimedia Surveillance systems: guest editorial. Multimedia Syst. 12(3): 165-167 (2006) (pdf)
J. K. Aggarwal: Human Activity Recognition- A Grand Challenge. DICTA 2005: 1
M. P. Sampat, Alan C. Bovik, J. K. Aggarwal, Kenneth R. Castleman: Supervised parametric and non-parametric classification of chromosome images. Pattern Recognition 38(8): 1209-1223 (2005) (pdf)