Under Preparation

1) Robust Vision-Based State Estimation for Miniature Rotorcraft: Approach and Experimental Performance Evaluation
Jonathan Andersh, Anoop Cherian, Bernie Mettler, and Nikolaos Papanikolopoulos

Under Review

1) Robust Similarity Search via Sparse Regularization Path,
Anoop Cherian, Vassilios Morellas and Nikolaos Papanikolopoulos,
(Journal of Machine Learning Research, under review)

2) Efficient Similarity Search via Robust Sparse Hashing
Anoop Cherian, Vassilios Morellas and Nikolaos Papanikolopoulos,
(Transactions on Image Processing, under review)

Published Works

2013

17) Similarity Search in Visual Data

Anoop Cherian, University of Minnesota, Minneapolis, Jan, 2013

PhD Thesis

2012

16) Jensen-Bregman Logdet Divergence with Application to Efficient Similarity Search for Covariance Matrices
Anoop Cherian, Suvrit Sra, Arindam Banerjee and Nikolaos Papanikolopoulos,
Transactions on Pattern Analysis and Machine Intelligence (TPAMI) Dec, 2012
Preprint

15) Robust Sparse Hashing,
Anoop Cherian, Vassilios Morellas, and Nikolaos Papanikolopoulos (Best Student Paper Award)
International Conference on Image Processing (ICIP),  2012

Preprint

 

14) Large Scale Image Search via Sparse Coding,

Anoop Cherian and Nikolaos Papanikolopoulos,

Minnesota Supercomputing Institute (MSI) Poster Competition, 2012 (Best Poster Award)

Poster, News

 

13) A Multi-Sensor Visual Tracking System for Behavior Monitoring of At-Risk Children,
Ravishankar Sivalingam, Anoop Cherian, Joshua Fasching, Nicholas Walczak, Nate Bird, Vassilios Morellas, Nikolaos Papanikolopoulos, Guillermo Sapiro and Kelvin Lim,
International Conference Robotics and Automation (ICRA)  2012
Preprint

12) Compact Covariance Descriptors in 3D Point Clouds for Object Recognition
Duc Fehr, Anoop Cherian, Ravishankar Sivalingam, Sam Nickolay, Vassilios Morellas and Nikolaos Papanikolopoulos, ,
International Conference on Robotics and Automation (ICRA)  2012
Preprint

2011

11) Efficient Similarity Search for Covariance Matrices via the Jensen-Bregman LogDet Divergence,
 Anoop Cherian, Suvrit Sra, Arindam Banerjee and Nikolaos Papanikolopoulos, 
 International Conference on Computer Vision (ICCV)  2011
 Preprint

10) Generalized Dictionary Learning for Symmetric Positive Definite Matrices with Application to Nearest Neighbor Retrieval,
Suvrit Sra and Anoop Cherian, 
European Conference on Machine Learning (ECML)  2011
Preprint

9) Dirichlet Process Mixture Models on Symmetric Positive Definite Matrices for Appearance Clustering in Video Surveillance Applications,
Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos and Saad Bedros,
Computer Vision and Pattern Recognition (CVPR),  2011
Preprint

8) Approximate Nearest Neighbors via Dictionary Learning,
Anoop Cherian, Vassilios Morellas and Nikolaos Papanikolopoulos,
Proceedings of SPIE, Orlando Florida,  April 2011

7) Denoising Sparse Noise via Online Dictionary Learning,
Anoop Cherian, Suvrit Sra and Nikolaos Papanikolopoulos,
Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), 2011  
Preprint

2010

6) Autonomous Altitude Estimation of a Miniature Helicopter Using a Single Onboard Camera,

Anoop Cherian, University of Minnesota, Minneapolis, April, 2010

Masters Thesis

 

5) Motion Estimation of a Miniature Helicopter using a Single Onboard Camera,
Anoop Cherian, Jonathan Andersh, Vassilios Morellas, Bernard Mettler and Nikolaos Papanikolopoulos,
American Control Conference (ACC), 2010
Preprint

2009

4) Autonomous Altitude Estimation of a UAV using a Single Onboard Camera,
Anoop Cherian, Jonathan Andersh, Vassilios Morellas, Nikolaos Papanikolopoulos and Bernard Mettler,
IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2009
Preprint

3) Accurate 3D Ground Plane Estimation from a Single Image,
Anoop Cherian, Vassilios Morellas and Nikolaos Papanikolopoulos,
IEEE-International Conference on Robotics and Automation (ICRA), 2009
Preprint

Technical Reports

2) Jensen-Bregman LogDet Divergence for Efficient Similarity Computations on Positive Defnite Tensors
Anoop Cherian, Suvrit Sra, Arindam Banerjee and Nikolaos Papanikolopoulos,
University of Minnesota, May, 2012
Tech. Report.

1) Efficient Similarity Search via Sparse Coding,
Anoop Cherian, Vassilios Morellas and Nikolaos Papanikolopoulos,
University of Minnesota, Jan, 2012
Tech. Report.



Talks
State Estimation of a Miniature Helicopter combining IMU, Gyros and Vision,
Symposium on Safety Security and Rescue Research, DTC, University of Minnesota, Nov. 2011

Sparse Feature Descriptors for Fast Information Retrieval,
Symposium on Safety Security and Rescue Research, University of Pennsylvania, May 2011

Approximate Nearest Neighbors via Dictionary Learning,
Invited Lecture for CSCI5561, Computer vision, Prof. Volkan Isler, University of Minnesota, 2011

Approximate Nearest Neighbors via Dictionary Learning,
Oral Presentation, SPIE Conference, Florida, 2011

Efficient Similarity Search for Covariance Matrices via the Jensen-Bregman Logdet Divergence,
Spotlight Presentation, ICCV, Barcelona, 2011

Machine Learning in Computer Vision - A Tutorial,
Safety Security Rescue Research Center (SSR-RC), Digital Technology Center, University of Minnesota, 2009

Altitude Estimation of a UAV using a Single Onboard Camera,
International Conference on Intelligent Robot Systems (IROS), 2009