Papanikolopoulos, Nikolaos

11 publications

ICCVW 2017 Clustering Positive Definite Matrices by Learning Information Divergences Panagiotis Stanitsas, Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos

ICCV 2017 Learning Discriminative Ab-Divergences for Positive Definite Matrices Anoop Cherian, Panagiotis Stanitsas, Mehrtash Harandi, Vassilios Morellas, Nikolaos Papanikolopoulos

WACV 2012 A Nonintrusive System for Behavioral Analysis of Children Using Multiple RGB+depth Sensors Nicholas Walczak, Joshua Fasching, William D. Toczyski, Ravishankar Sivalingam, Nathaniel D. Bird, Kathryn Cullen, Vassilios Morellas, Barbara Murphy, Guillermo Sapiro, Nikolaos Papanikolopoulos

CVPR 2011 Dirichlet Process Mixture Models on Symmetric Positive Definite Matrices for Appearance Clustering in Video Surveillance Applications Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos, Saad Bedros

ICCV 2011 Efficient Similarity Search for Covariance Matrices via the Jensen-Bregman LogDet Divergence Anoop Cherian, Suvrit Sra, Arindam Banerjee, Nikolaos Papanikolopoulos

ICCV 2011 Positive Definite Dictionary Learning for Region Covariances Ravishankar Sivalingam, Daniel Boley, Vassilios Morellas, Nikolaos Papanikolopoulos

CVPR 2010 Breaking the Interactive Bottleneck in Multi-Class Classification with Active Selection and Binary Feedback Ajay J. Joshi, Fatih Porikli, Nikolaos Papanikolopoulos

ECCV 2010 Tensor Sparse Coding for Region Covariances Ravishankar Sivalingam, Daniel Boley, Vassilios Morellas, Nikolaos Papanikolopoulos

CVPR 2009 Multi-Class Active Learning for Image Classification Ajay J. Joshi, Fatih Porikli, Nikolaos Papanikolopoulos

ECCV 2008 Estimating 3D Trajectories of Periodic Motions from Stationary Monocular Views Evan Ribnick, Nikolaos Papanikolopoulos

CVPR 2007 Learning Dynamic Event Descriptions in Image Sequences Harini Veeraraghavan, Nikolaos Papanikolopoulos, Paul R. Schrater