List of Publications:

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BOOKS

Recognition of Humans and Their Activities Using Video

R. Chellappa and A. Roy-Chowdhury, S. Zhou. Morgan and Claypool (Synthesis Lectures in Image, Video, & Multimedia Processing), 2005.Link

 

JOURNAL ARTICLES  

 

·        Robust Tracking in A Camera Network: A Multi-Objective Optimization Framework

               B. Song and A. Roy-Chowdhury. 

               IEEE Journal on Selected Topics in Signal Processing: Special Issue on Distributed Processing in Vision Networks, August 2008.

 

·        Inverse Compositional Estimation of 3D Pose And Lighting in Dynamic Scenes

               Y. Xu and A. Roy-Chowdhury. 

               IEEE Trans. on Pattern Analysis and Machine Intelligence, July 2008.

 

·        Integrating Illumination, Motion and Shape Models for Robust Face Recognition In Video

               Y.Xu, A. Roy-Chowdhury and K. Patel 

EURASIP Journal on Advances in Signal Processing: Advanced Signal Processing and Pattern Recognition Methods for Biometrics, 2008.

 

·        Activity Representation Using 3D Shape Models

               M. Abdelkader, A. Roy-Chowdhury, R. Chellappa and U. Akdemir 

EURASIP Journal on Image and Video Processing: Special Issue on Anthropocentric Video Analysis: Tools and Applications (Accepted).

 

·        Towards A Measure of Deformability of Shape Sequences

A.     Roy-Chowdhury

Pattern Recognition Letters, Vol. 28, 2007.

 

·        Integrating Motion, Illumination and Structure in Video Sequences, With Applications in Illumination-Invariant Tracking

               Y. Xu and A. Roy-Chowdhury. 

               IEEE Trans. on Pattern Analysis and Machine Intelligence, May 2007.

 

·        Towards A Multi-Terminal Video Compression Algorithm By Integrating Distributed Source Coding With Geometrical Constraints,

         B. Song, E. Tuncel, A. Roy-Chowdhury,

         Journal of Multimedia, 2007. (Invited Paper)

 

·         Matching Shape Sequences in Video with Applications in Human Motion Analysis

A.     Veeraraghavan, A. Roy-Chowdhury, R. Chellappa.

IEEE Trans. on Pattern Analysis and Machine Intelligence, pp. 1896-1909, December, 2005.

 

·         ``Shape Activity'' : A Continuous State HMM for Moving/Deforming Shapes with Application to  Abnormal Activity Detection 

               N. Vaswani, A. Roy-Chowdhury, R. Chellappa. 

               IEEE Trans. on Image Processing, pp. 1603-1616, October, 2005.

 

·        Statistical Bias in 3D Reconstruction from A Monocular Video

               Amit K. Roy-Chowdhury, R. Chellappa.

               IEEE Trans. on Image Processing, pp. 1057-1062, August, 2005.

 

·        Identification of Humans Using Gait 

A.     Kale, A.N. Rajagopalan, A. Sunderesan, N. Cuntoor, A. Roy-Chowdhury, V. Krueger, R. Chellappa.

               IEEE Trans. on Image Processing, pp. 1163-1173, Sept. 2004.

 

·        An Information Theoretic Criterion for Evaluating the Quality of 3D Reconstructions from Video

               Amit K. Roy-Chowdhury, R. Chellappa.

               IEEE Trans. on Image Processing, pp. 960-973, July 2004.

 

·         Wide Baseline Image Registration with Application to 3D Face Modeling

               Amit K. Roy-Chowdhury, R. Chellappa, Trish Keaton.

               IEEE Transactions on Multimedia, pp. 423-434, June 2004.

 

·        Stochastic Approximation and Rate Distortion Analysis for Robust Structure and Motion Estimation

               Amit K. Roy-Chowdhury, R. Chellappa.

               International Journal on Computer Vision.  Volume 55(1), pp. 27-53, October 2003.

 

·        Face Reconstruction From Video Using Uncertainty Analysis and a Generic Model

               Amit K. Roy-Chowdhury, R. Chellappa.

               Computer Vision and Image Understanding, 91(1-2), pp. 188-213, July-August 2003.

 

·        Region-of-Interest Reconstruction from Noisy Projections Using  Fractal Models and Wiener Filtering 

               Amit K. Roy-Chowdhury, Kaushik Barman, K.R.Ramakrishnan.

               Special Issue on Signal Processing & Communications, Sadhana, Journal of the Indian Academy of Sciences.

 

BOOK CHAPTERS

 

• Combining Geometrical and Statistical Models for Video-based Face Recognition

               A. Roy-Chowdhury and Y. Xu.

Multi-Biometric Systems for Identity Recognition: Theory and Experiments, (Eds. N.V. Boulgouris, K.N. Plataniotis and E. Micheli-Tzanakou), IEEE Press, 2008.

 

• Pose and Illumination Invariant Face Recognition Using Video Sequences

               A. Roy-Chowdhury, Y. Xu.

Multi-Biometric Systems for Identity Recognition: Theory and Experiments, (Eds. R. Hammoud, M. Abidi and B. Abidi), Springer-Verlag, 2007.

 

• Human Identification Using Face and Gait

               R. Chellappa, A. Roy-Chowdhury, A. Kale.

Multimodal Surveillance: Sensors, Algorithms and Systems, (Eds. Zhigang Zhu, Tom Huang), Artech House, 2007.

 

• Integrating Motion and Illumination Models for 3D Tracking

               A. Roy-Chowdhury, Y. Xu.

Computer Vision for Interactive and Intelligent Environments, (Eds. C. Jaynes and R. Collins), IEEE Press, 2006.

 

• 3D Face Modeling From Monocular Video Sequences

               A. Roy-Chowdhury, R. Chellappa, H. Gupta.

Face Processing: Advanced Modeling and Methods (Eds. R.Chellappa and W.Zhao), Academic Press, 2005.

 

• Statistics in Computer Vision and Image Processing

         R. Chellappa, A Roy-Chowdhury.

               Encyclopedia of Statistical Sciences, 2nd ed., Vol. 2, (S. Kotz et al., eds.), John Wiley & Sons, Hoboken, pp. 1164-1173, 2005.

 

• Human Identification Using Gait and Face

         R. Chellappa, A. Roy-Chowdhury and S. Zhou

               The Electrical Engineering  Handbook, 3^rd Ed, (Ed. D. Etter), CRC Press, 2004.

 

• Gait-Based Human Identification From A Monocular Video Sequence

               A. Kale, A. Sundaresan, A. Roy-Chowdhury, R. Chellappa.

               Handbook on Pattern Recognition and Computer Vision, 3rd Ed,  (Eds. C.H.Cheng and P.S.P.Wang), World Scientific Publishing Company Pvt. Ltd., 2005.

 

 

HIGHLY SELECTIVE CONFERENCE PAPERS (acceptance rates similar to major journals)

 

• A Theoretical Analysis of Linear and Multi-linear Models of Image Appearance, Y. Xu, A. Roy-Chowdhury, IEEE Conf. on Computer Vision and Pattern Recognition, 2008.
• Learning A Geometry-Integrated Image Appearance Manifold From A Small Training Set, Y. Xu, A. Roy-Chowdhury, IEEE Conf. on Computer Vision and Pattern Recognition, 2008.
• Stochastic Adaptive Tracking In A Camera Network, B. Song, A. Roy-Chowdhury, IEEE Intl. Conf. on Computer Vision, 2007.
• Closed-loop Tracking and Change Detection in Multi-Activity Sequences, B. Song, N. Vaswani, A. Roy-Chowdhury, IEEE Computer Vision and Pattern Recognition, 2007.
• The Function Space of an Activity, A. Veeraraghavan, R. Chellappa, A. Roy-Chowdhury, IEEE Computer Vision and Pattern Recognition, 2006.
• Integrating the Effects of Motion, Illumination and Structure in Video Sequences, Y. Xu, A. Roy-Chowdhury. IEEE Intl. Conf. on Computer Vision, 2005.
• A Measure of Deformability of Shapes, With Applications to Human Motion Analysis, A. Roy-Chowdhury. IEEE Computer Vision and Pattern Recognition, 2005.
• Role of Shape and Kinematics in Human Movement Analysis, A. Veeraraghavan, A. Roy-Chowdhury, R. Chellappa. IEEE Computer Vision and Pattern Recognition, 2004.
• Activity Recognition Using the Dynamics of the Configuration of Interacting Objects Namrata Vaswani, Amit K. Roy-Chowdhury, R. Chellappa.  IEEE Computer Vision and Pattern Recognition, 2003.

 

 

OTHER REFEREED CONFERENCE PAPERS

 

• Efficient Motion Estimation Under Varying Illumination, Y. Xu, A. Roy-Chowdhury, IEEE Intl. Conf. on Image Processing, 2008.
• Multi-Target Tracking Through Opportunistic Camera Control In A Resource Constrained Multimodal Sensor Network, J. Nayak, L. Gonzalez-Argueta, B. Song, A. Roy-Chowdhury, and E. Tuncel, IEEE/ACM Intl. Conf. on Distributed Smart Cameras, 2008.
• Decentralized Camera Network Control Using Game Theory, B. Song, C. Soto, A. Roy-Chowdhury, J. Farrell, Workshop on Smart Camera and Visual Sensor Networks at IEEE/ACM Intl. Conf. on Distributed Smart Cameras, 2008.



• Pose and Illumination Invariant Face Recognition in Video, Y. Xu, A. Roy-Chowdhury, K. Patel, IEEE Computer Society Workshop on Biometrics (in conjunction with CVPR), 2007.
• Determining Topology In A Distributed Camera Network, X. Zou, B. Bhanu, B. Song, A. Roy-Chowdhury, IEEE Intl. Conf. on Image Processing, 2007.
• Modeling Time-Varying Illumination Patterns in Video, Y. Xu, A. Roy-Chowdhury, IEEE Intl. Conf. on Image Processing, 2007.
• Super-resolved Facial Texture Under Changing Pose and Illumination, J. Yu, B. Bhanu, Y. Xu, A. Roy-Chowdhury, IEEE Intl. Conf. on Image Processing, 2007.

 

 

•  Pose and Illumination Invariant Registration and Tracking for Video-based Face Recognition, Y. Xu and A. Roy-Chowdhury, IEEE Computer Society Workshop on Biometrics (in association with CVPR), 2006.
• Learning Illumination Models While Tracking, Y. Xu and A. Roy-Chowdhury, Intl. Synposium on 3D Data Processing, Visualization and Transmission, 2006.
• An Illumination Invariant 3D Model-based Tracking Algorithm, With Application in Video Compression, L. Nyugen, Y. Xu and A. Roy-Chowdhury, IEEE Intl. Conf. on Image Processing, 2006.
• A Multi-Terminal Model-Based Video Compression Algorithm, B. Song, A. Roy-Chowdhury, E. Tuncel, IEEE Intl. Conf. on Image Processing, 2006.
• Summarization and Indexing of Human Activity Sequences, B. Song, N. Vaswani, A. Roy-Chowdhury, IEEE Intl. Conf. on Image Processing, 2006.
• Towards A Multi-Terminal Video Compression Algorithm Using Epipolar Geometry, B. Song, O. Bursalioglu, E. Tuncel, A. Roy-Chowdhury, IEEE Intl. Conf. on Acoustics, Speech and Signal Processing, 2006. (Best Student Paper Award)

 

 

·        The Joint Illumination and Motion Space of Video Sequences, Y. Xu and A. Roy-Chowdhury, IEEE Intl. Conf. on Image Processing, 2005.

·        An Algorithm for 3D Reconstruction of Deformable Shape Sequences, A. Roy-Chowdhury, Intl. Conf. on Acoustics, Speech and Signal Processing, 2005.

 

 

·        Multiple View Tracking of Human Motion Modeled by Kinematic Chains, A. Sundaresan, A. Roy-Chowdhury, R. Chellappa, IEEE Int. Conf. on Image Processing, 2004.

·        3D Analysis of Human Motion Using Kinematic Chains and Multiple Cameras for Tracking, A. Sundaresan, A. Roy-Chowdhury, R. Chellappa. Eighth Intl. Symp. on 3-D Analysis of Human Motion, Tampa, Florida, 2004.

·        Contour based 3D Face Modeling From A Monocular Video H. Gupta, A. Roy-Chowdhury, R. Chellappa. British Machine Vision Conference, 2004.

·        A  System Identification Approach for Video-Based Face Recognition G. Aggarwal, Amit K. Roy-Chowdhury, R. Chellappa.  International Conference on Pattern Recognition, 2004.

·        Facial Similarity Across Age, Disguise, Illumination and Pose, N.Ramanathan, A. Roy Chwodhury, R. Chellappa, Intl. Conf. on Image Processing, 2004.

·        Fusion of Face and Gait for Human Identification, A. Kale, A. Roy-Chowdhury, R. Chellappa. Intl. Conf. on Acoustics, Speech and Signal Processing, 2004.

·        A Factorization Approach to Activity Recognition , Amit K. Roy-Chowdhury, R. Chellappa. CVPR Workshop on Event Mining, 2003.

·        Statistical Shape Theory for Activity Modeling,  Namrata Vaswani, Amit K. Roy-Chowdhury, R. Chellappa.  International Conference on Acoustics, Speech and Signal Processing, 2003.

·        Activity Modeling and Recognition Using Shape Theory, R. Chellappa, N. Vaswani, Amit K. Roy-Chowdhury. Behavior Representation in Modeling and Simulation, 2003.

·         Towards A View Invariant Gait Recognition Algorithm, Amit K. Roy-Chowdhury, A. Kale, R. Chellappa.  IEEE Intl. Conf. on Advanced Video and Signal Based Surveillance, 2003.

·         A HMM Based Framework for Recognition of Humans From Gait Sequences, A. Sunderesan, Amit K. Roy-Chowdhury, R. Chellappa. IEEE Intl. Conf. on Image Processing, 2003.

·        Video Based Rendering of Planar Dynamic Scenes Amit Kale, Amit K. Roy-Chowdhury, R. Chellappa.  IEEE Conference on Multimedia and Expo, 2003.

·        Video Synthesis of Arbitrary Views for Approximately Planar Scenes Amit K. Roy-Chowdhury, A. Kale, R. Chellappa. International  Conference on Acoustics, Speech and Signal Processing, 2003.

·        Deterministic and Statistical Properties of Multi-resolution 3D Modeling A. Roy-Chowdhury, H. Liu, R. Chellappa. ICCV Workshop on Statistical and Computational Theories in Vision, 2003.

·        Statistical Error Propagation in 3D Modeling From Monocular Video  Amit K. Roy-Chowdhury, R. Chellappa. CVPR Workshop on Statistical Analysis in Computer Vision, 2003.

·        Wide Baseline Image Registration Using Prior Information Amit K. Roy-Chowdhury, R. Chellappa.  Proceedings of IEEE International Workshop on Multimedia and Signal Processing, 2002.

·        3D Face Reconstruction From Video Using A Generic Model A.K. Roy-Chowdhury, S.Krishnamurthy, T. Vo, R. Chellappa. Proceedings of ICME 2002.

·        Towards A Criterion For Evaluating the Quality of 3D Reconstructions  Amit K. Roy-Chowdhury, R. Chellappa. Proceedings of ICASSP 2002.

 

 

·        A Robust Algorithm for Fusing Noisy Depth Estimates Using Stochastic Approximation  Amit K. Roy-Chowdhury, R. Chellappa. Proceedings ofICASSP 2001.

·        Robust Estimation of Depth and Motion Using Stochastic Approximation  Amit K. Roy-Chowdhury, R. Chellappa. Proceedings of ICIP 2001.

 

 

·        Fusing Multiple Two Frame Depth Estimates for 3D Reconstruction With Unknown Noise Distribution Amit K. Roy-Chowdhury, R. Chellappa. ICVGIP 2000, Bangalore, India.

·        Region-of-Interest Reconstruction from Noisy Projections Using Fractal Models and Wiener Filtering  - Amit K. Roy-Chowdhury, Kaushik Barman, K.R.Ramakrishnan.  Conference on Signal Processing, Communications,and Networking  (SPCOM) - 97, Bangalore.

·        A Real-time LD-CELP Codec on Pentium Amit K. Roy-Chowdhury, M.Singhal . International Conference on Signal Processing Applications  & Technology, 1998, Toronto , Canada.

·        An Efficient Implementation of H.221 Protocol on DSP563xx Processor A.Sridhar, Amit K. Roy-Chowdhury etc. International Conference on Signal Processing Applications  & Technology, 1998, Toronto , Canada.
 

MAGAZINE ARTICLES:

 

"About Face" - National Geographic, November 2003.  Work on Face Recognition under pose, illumination variations and disguise was featured in this issue (Pages 18-19). The box on the right of the above link illustrates our work.

PHD THESIS:
 "Statistical Analysis of 3D Modeling From Monocular Video Streams" , 2002.