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Theses
| @phdthesis{
Kumar2009Thesis, Author = {Ritwik Kumar}, Title = {Relighting, Pose Change and Recognition of Faces}, School = {Dept. of CISE, University of Florida}, Year = {2009}, Type = {{PhD} in {C}omputer {E}ngineering}, } |
| @phdthesis{
Kumar2005Thesis, Author = {Ritwik Kumar}, Title = {B.Tech Thesis: Relighting, On Color Transfer using Motion Estimation and its Application to Color Video Compression}, School = {Dhirubhai Ambani Institute of Information and Communication Technology}, Year = {2005}, Type = {B.Tech. in Information and Communication Technology}, } |
Journal
@ARTICLE{Kumar2009d, author = {Ritwik Kumar and Angelos Barmpoutis and Arunava Banerjee and Baba C. Vemuri}, title = {Non-Lambertian Reflectance Modeling and Shape Recovery for Faces using Tensor Splines}, journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI)}, year = {2009}, } |
| @ARTICLE{Kumar2007, author = {Ritwik Kumar and Suman K. Mitra}, title = {Motion Estimation based Color Transfer and its Application to Color Video Compression}, journal = {Pattern Analysis and Applications}, year = {2007}, volume = {11}, pages = {131-139}, number = {2}, doi = {http://dx.doi.org/10.1007/s10044-007-0086-6}, } |
Conference
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@INPROCEEDINGS{Kumar2010d author = {Ritwik Kumar and Amelio V. Reina and Hanspeter Pfister}, title = {Radon-Like Features and their Application to Connectomics}, booktitle = {IEEE Computer Society Workshop on Mathematical Methods in Biomedical Image Analysis (MMBIA)}, year = {2010} } |
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@INPROCEEDINGS{Kumar2010c author = {Ritwik Kumar and Fei Wang and David Beymer and Tanveer Syeda-Mahmood}, title = {Cardiac Disease Detection from Echocardiogram using Edge Filtered Scale-invariant Motion Features}, booktitle = {IEEE Computer Society Workshop on Mathematical Methods in Biomedical Image Analysis (MMBIA)}, year = {2010} } |
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@INPROCEEDINGS{Kumar2010e author = {Ritwik Kumar and Baba C. Vemuri and Arunava Banerjee}, title = {Eigenbubbles: An Enhanced Apparent BRDF Representation}, booktitle = {International Conference on Pattern Recognition (ICPR)}, year = {2010} } |
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@INPROCEEDINGS{Kumar2010 author = {Ritwik Kumar and Michael Jones and Tim K. Marks}, title = {Morphable Reflectance Fields for Enhancing Face Recgonition}, booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)}, year = {2010} } |
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@INPROCEEDINGS{Kumar2009c,
author = {Ritwik Kumar and Angelos Barmpoutis and Baba C. Vemuri and Paul R. Carney and Thomas H. Mareci}, title = {A Physical Basis for Multi-fiber Reconstruction from DW-MRI Data}, booktitle = {IEEE International Symposium on Biomedical Imaging (ISBI)}, year = {2009} } |
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@INPROCEEDINGS{Kumar2009a, author = {Ritwik Kumar and Baba C. Vemuri and Fei Wang and Tanveer Syeda-Mahmood and Paul R. Carney and Thomas H. Mareci}, title = {Multi-fiber Reconstruction from DW-MRI data using a Continuous Mixture of Hyperspherical von Mises-Fisher Distributions}, booktitle = {Information Processing in Medical Imaging (IPMI)}, year = {2009}, } |
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@INPROCEEDINGS{Kumar2009, author = {Ritwik Kumar and Arunava Banerjee and Baba C. Vemuri}, title = {Volterrafaces: Discriminant Analysis using Volterra Kernels}, booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)}, year = {2009}, } |
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@INPROCEEDINGS{Kumar2009b, author = {Ritwik Kumar and Fei Wang and David Beymer and Tanveer Syeda-Mahmood}, title = {Echocardiogram View Classification using Edge Filtered Scale-invariant Motion Features}, booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)}, year = {2009}, } |
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@INPROCEEDINGS{Kumar2008b, author = {Ritwik Kumar and Angelos Barmpoutis and Baba C. Vemuri and Paul R. Carney and Thomas H. Mareci}, title = {Multi-Fiber Reconstruction from DW-MRI using a Continuous Mixture of von Mises-Fisher Distributions}, booktitle = {IEEE Computer Society Workshop on Mathematical Methods in Biomedical Image Analysis (MMBIA)}, year = {2008}, } |
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@INPROCEEDINGS{Kumar2008a, author = {Barmpoutis, A. and Kumar, R. and Vemuri, B. C. and Banerjee, A.}, title = {Beyond the Lambertian assumption: A generative model for Apparent BRDF fields of faces using anti-symmetric tensor splines}, booktitle = {Proc. IEEE Conference on Computer Vision and Pattern Recognition CVPR 2008}, year = {2008}, pages = {1--6}, month = {23--28 June }, doi = {10.1109/CVPR.2008.4587770}, } |
@INPROCEEDINGS{Kumar2005, author = {Ritwik Kumar and Suman K. Mitra}, title = {Color Transfer using Motion Estimation and its Application to Video Compression}, booktitle = {Proc. of 11th International Conference on Computer Analysis of Images and Patterns (CAIP), Lecture Notes in Computer Science 3691}, year = {2005}, pages = { 313-320}, } |
@INPROCEEDINGS{Kumar2004, author = {Ritwik Kumar and Dinkar Jha and Shivam Priyadarshi}, title = {Coarse Grain Positioning System for Indoors using Sensor Network}, booktitle = {Proc. of 12th International Conference on Advanced Computing and Communication (ADCOM)}, year= {2004}, } |
Technical Reports
@INPROCEEDINGS{Kumar2009TR, author = {Ritwik Kumar and Angelos Barmpoutis and Arunava Banerjee and Baba C. Vemuri}, title = {Non-Lambertian Reflectance and Shape Recovery for Faces with Shadows using Anti-Symmetric Tensor Splines}, booktitle = {Technical Report CISE REP-2009-467}, year = {2009} } |
@INPROCEEDINGS{Kumar2008TR, author = {Ritwik Kumar and Angelos Barmpoutis and Arunava Banerjee and Baba C. Vemuri}, title = {Face Relighting for Recognition}, booktitle = {Technical Report CISE REP-2008-451}, year = {2008} } |
Radon-Like Features (MMBIA
2010) [pdf]
radonLikeFeaturesDemo.m
: Demonstrates edge enhancement using Radon-Like Features
getEdgeFeatures.m :
Helper function for Gaussian Second Derivative Filters
makeBarFilters.m : Helper
function for Gaussian Second Derivative Filters
sample.png : Sample image for
use in this demo
radonLikeFeaturesDemo.zip : Get all of the above files from
MATLAB Central
Volterrafaces (CVPR
2009) [pdf]
volterrafacesDemo.m :
Demonstrates Volterraface face recognition system
trainVolterraKernels.m :
Helper function for training Volterra classifiers
classifyVolterra.m : Helper
function for classifying images using Volterra classifiers
splitImg.m : Helper function for
splitting images into patches
transformMatrix.m : Helper
function for transforming images into matrix A formulation (Linear)
transformMatrixQuadratic.m : Helper function for transforming images into
matrix A formulation (Quadratic)
YaleB32n.mat : Data files
containing thumbnails of images used in this demonstration
volterrafacesDemo.zip :
Get all of the above files from
MATLAB Central
Cartesian Tensor Relighting (CVPR
2008, PAMI 2009) [pdf]
tensorRelightingDemo.m
: Demonstrates the use of Cartesian Tensor for face image relighting
faces64.mat : Data file used in
the above demonstration
tensorRelightingDemo.zip : Get all of the above files from
MATLAB Central
Miscellaneous:
Snakes - Active Contour Models : Demonstrates the use Active
Contour Models. Get it from
MATLAB Central
Diffusion Filtering
of Images : Various types of anisotropic and isotropic diffusion image filtering
methods. Get it from
MATLAB Central
Work Experience
| Jan 2010 - Current | Post-Doctoral Research Fellow, Harvard University, Cambridge, Massachusetts, USA |
| Feb 2010 - Mar 2010 | Consultant, Mitsubishi Electric Research Laboratory (MERL), Cambridge, Massachusetts, USA |
| May 2009 - Aug 2009 | Intern, Mitsubishi Electric Research Laboratory (MERL), Cambridge, Massachusetts, USA |
| May 2008 - Aug 2008 | Intern, IBM Research Center, Almaden, California, USA |
| Aug 2005 - Apr 2008 | Teaching / Graduate / Research Assistant, Dept. of CISE, Univ. of Florida, Gainesville, Florida, USA |
| Aug 2004 - Apr 2005 | Teaching / Research Assistant, DAIICT, Gaindhinagar, Gujarat, India |
| May 2003 - Jul 2003 | Intern, Reliance Infocomm, Mumbai, Maharashtra, India |
Ritwik Kumar
33 Oxford Street, Maxwell Dworkin 209
School of Engineering and Applied Sciences
Harvard University, Cambridge, MA 02138
