Research Interests
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| Computer
Vision, Image/Signal Processing,
Computational Photography |
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Education
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Ph.D., Electrical and Computer
Engineering
University
of Maryland, College Park, MD
USA
Thesis: Scene Analysis under Variable
Illumination using Gradient Domain Methods
Advisor: Prof.
Rama Chellappa
Major: Communications and Signal
Processing
Minor: Computer Engineering
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Jan 2004 - May 2006
GPA: 3.92/4.0
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M.S.,
Electrical and Computer Engineering
University of
Maryland, College Park, MD USA
Major: Communications and Signal
Processing
Minor: Computer Engineering
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Aug
2001 - Dec 2003
GPA: 3.92/4.0
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B.Tech.,
Electrical Engineering
Indian
Institute of Technology (IIT), Kanpur
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July 1996 - May 2000
GPA: 9.2/10.0
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| Academic &
Professional Experience |
Principal
Member Research Staff, Mitsubishi Electric
Research Labs (MERL), Cambridge, MA
Member Research Staff, Mitsubishi Electric
Research Labs (MERL), Cambridge, MA
Visiting Scientist, Mitsubishi Electric
Research Labs (MERL), Cambridge, MA
Research Intern, Mitsubishi Electric
Research Labs (MERL), Cambridge, MA
Graduate Research Assistant, UMIACS,
University of Maryland
Graduate Teaching Assistant, ECE
Department, University of Maryland
DSP Software Engineer, Hughes Software
Systems (HSS), India
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Apr 2011 - Present
May 2008 - Mar 2011
May 2006 - Apr 2008
July 2004 - Feb 2005
Aug 2001 - May 2006
Aug 2001 - Dec 2001
Jun 2000 - Aug 2001
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SIGGRAPH
& Eurographics Publications
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Y. Taguchi,
A. Agrawal, A. Veeraraghavan, S.
Ramalingam and R. Raskar, "Axial-Cones:
Modeling
Spherical
Catadioptric
Cameras
for
Wide-Angle
Light Field Rendering", SIGGRAPH
Asia 2010
A.
Agrawal, A. Veeraraghavan & R.
Raskar, "Reinterpretable
Imager: Towards Variable Post Capture
Space, Angle & Time Resolution in
Photography", Eurographics 2010
A. Agrawal, Y. Xu & R. Raskar, "Invertible
Motion Blur in Video", ACM Transactions
on Graphics (Proceedings of SIGGRAPH),
2009
D. Lanman, R. Raskar, A. Agrawal &
G. Taubin, "Shield
Fields: Modeling and Capturing 3D
Occluders", SIGGRAPH Asia 2008
R. Raskar,
A. Agrawal, C. Wilson & A.
Veeraraghavan, "Glare Aware
Photography: 4D Ray Sampling for
Reducing Glare Effects of Camera
Lenses", ACM
Transactions on Graphics (Proceedings of
SIGGRAPH), 2008
A.
Veeraraghavan,
R. Raskar, A. Agrawal, A. Mohan & J.
Tumblin, "Dappled
Photography: Mask Enhanced Cameras
for Heterodyned Light Fields and
Coded Aperture Refocusing",
ACM
Transactions
on Graphics (Proceedings of SIGGRAPH),
Vol. 26, Issue 3, July 2007
R. Raskar, A. Agrawal & J. Tumblin,
"Coded
Exposure Photography: Motion
Deblurring using Fluttered Shutter",
ACM Transactions on Graphics
(Proceedings of SIGGRAPH), Vol. 25,
Issue 3, July 2006
A. Agrawal, R. Raskar, S.K. Nayar &
Y. Li, "Removing
Photography
Artifacts
using Gradient Projection and
Flash-Exposure Sampling", ACM
Transactions on Graphics (Proceedings of
SIGGRAPH), Vol. 24, Issue 3, July 2005
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| Other Journal Publications |
A. Agrawal, Y.
Sun, J. Barnwell & R. Raskar,
"Vision Guided Robot System for Picking
Objects by Casting Shadows", accepted in
International Journal of Robotics
Research (IJRR), 2009
A. Agrawal & R. Chellappa, "Robust
Ego-Motion Estimation and 3D Model
Refinement using Surface Parallax", IEEE
Transactions on Image Processing, Vol.
15, No. 5, May 2006
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Selected Conference Publications
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A.
Agrawal, S.
Ramalingam, Y.
Taguchi & V. Chari, "A
Theory of Multi-Layer Flat
Refractive Geometry", CVPR 2012
(oral presentation)
D. Wu, A. Velten, M. O’Toole, A.
Agrawal & R. Raskar, "Decomposing
Global Light Transport using Time of
Flight Imaging", CVPR 2012 (oral
presentation)
N. Shroff, A. Veeraraghavan, Y.
Taguchi, O. Tuzel, A. Agrawal & R.
Chellappa, "Variable
Focus Video: Reconstructing Depth and
Video for Dynamic Scenes", ICCP 2012
(oral presentation)
V. Chari, A.
Agrawal, Y. Taguchi & S.
Ramalingam, "Convex
Bricks: A New Primitive for Visual
Hull Modeling and Reconstruction",
ICRA 2012 (oral presentation)
A. Agrawal, Y. Taguchi &
S. Ramalingam, "Beyond
Alhazen's Problem: Analytical
Projection Model for Non-Central
Catadioptric Cameras with Quadric
Mirrors", CVPR 2011 (oral
presentation)
M. Gupta, A. Agrawal, A. Veeraraghavan
& S. Narasimhan, "Structured
Light 3D Scanning in Presence of
Global Illumination", CVPR 2011
A.
Agrawal, Y. Taguchi, & S.
Ramalingam, "Analytical
Forward Projection for Axial
Non-Cental Dioptric and Catadioptric
Cameras", ECCV 2010 (oral
presentation)
M.
Gupta, A.
Agrawal, A.
Veeraraghavan, & S. Narasimhan, "Flexible
Voxels for Motion Aware Videography",
ECCV 2010
A. Sankarnarayanan, A.
Veeraraghavan, O. Tuzel, & A.
Agrawal, "Image
Invariants
for Smooth Reflective Surfaces",
ECCV 2010
A.
Agrawal, M. Gupta, A. Veeraraghavan,
& S. Narasimhan, "Optimal
Coded Sampling for Temporal
Super-Resolution", CVPR 2010
Y. Taguchi, A. Agrawal, S. Ramalingam,
& A. Veeraraghavan, "Axial Light
Fields for Curved Mirrors: Reflect
Your Perspective, Widen Your View",
CVPR 2010 (oral presentation)
A. Sankarnarayanan, A. Veeraraghavan,
O. Tuzel, & A. Agrawal, "Specular
Surface Reconstruction using Sparse
Reflection Correspondences",
CVPR 2010
M-Y Liu, O. Tuzel, A. Veeraraghavan,
R. Chellappa, A. Agrawal & H.
Okuda, "Pose Estimation in Heavy
Clutter using a Multi-Flash Camera",
ICRA 2010
A. Agrawal & R.
Raskar, "Optimal
Single
Image Capture for Motion Deblurring",
CVPR 2009
A. Agrawal & Y. Xu, "Coded Exposure Deblurring:
Optimized Codes for PSF Estimation
and Invertibility", CVPR 2009
D. Reddy,
A. Agrawal & R. Chellappa,
"Enforcing Integrability by Error
Correction using L-1 Minimization",
CVPR 2009
J. Chang, R. Raskar & A. Agrawal,
"3D Pose Estimation and Segmentation
using Specular Cues", CVPR 2009
A. Veeraraghavan, A. Agrawal,
R. Raskar, A. Mohan
& J. Tumblin, "Non-Refractive
Modulators for Encoding and
Capturing Scene Appearance and
Depth", CVPR 2008
T. Koh, A. Agrawal,
R. Raskar, S. Morgan, N. Miles &
B.H. Gills, "Detecting
and Segmenting Un-occluded Items by
Actively Casting Shadows", Asian
Conference
on Computer Vision (ACCV) 2007
(oral presentation)
A. Agrawal & R. Raskar, " Resolving
Objects at Higher Resolution from a
Single Motion-Blurred Image", IEEE
Conference on Computer Vision and
Pattern Recognition (CVPR) 2007 (oral
presentation)
A. Agrawal, R. Raskar & R.
Chellappa, " Edge
Suppression
by Gradient Field Transformation using
Cross-Projection Tensors", IEEE
Conference on Computer Vision and
Pattern Recognition (CVPR) 2006
A. Agrawal, R. Raskar & R. Chellappa
, " What
is
the Range of Surface Reconstructions
from a Gradient Field?", European
Conference on Computer Vision (ECCV)
2006 (oral presentation)
A. Agrawal, R. Chellappa & R.
Raskar, " An
Algebraic
Approach to Surface Reconstruction
from Gradient Fields", IEEE
International Conference on Computer
Vision (ICCV) 2005
J. Tumblin, A. Agrawal & R. Raskar,
" Why I
want a Gradient Camera", IEEE
Conference on Computer Vision and
Pattern Recognition (CVPR) 2005
A. Agrawal & R. Chellappa, "Moving
Object Segmentation and Dynamic Scene
Reconstruction using Two Frames", IEEE
ICASSP 2005. Winner of student paper
contest (IMDSP category)
A. Agrawal & R. Chellappa, "Fusing
Depth and Video using Rao-Blackwellized
Particle Filter", First International
Conference on Pattern Recognition and
Machine Intelligence (PRMI), 2005
A. Agrawal & R. Chellappa, "Robust
Ego-Motion Estimation and 3D Model
Refinement in Scenes with Varying
Illumination", IEEE MOTION 2005
A. Agrawal & R. Chellappa, "Robust
Ego-Motion Estimation and 3D Model
Refinement using Depth Based Parallax
Model", IEEE ICIP, 2004
A. Agrawal & R. Chellappa, "3D Model
Refinement using Surface-Parallax", IEEE
ICASSP, 2004
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| Contribution
to
Books |
N.
Vaswani, A. Agrawal, Q. Zheng & R.
Chellappa, "Moving Object Detection and
Compression in IR Sequences",
Chapter 5: Computer Vision beyond the
Visible Spectrum, Springer pdf
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Other
Miscellaneous Publications
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R. Raskar
& A. Agrawal, "Handling
Motion in Surveillance using
Coded Exposure Camera",
IEEE Conference on Technologies
for Homeland Security 2007
R.
Raskar, J. Tumblin, A. Mohan, A.
Agrawal and Y. Li, "Computational
Photography", State of Art
Report, Eurographics, 2006
A.
Agrawal,
R.
Meth & R. Chellappa “ Hierarchical
DEM Refinement using Surface Parallax ”,
24th Army Science Conference, Orlando
FL, 2004
A. Agrawal
& C. Shekhar, “Mapping Ground
Video to Aerial DEM’s”, Advanced
Decision Architectures,
Collaborative Technology Alliances
Conference 2003 pdf
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Patents
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Increasing object resolutions from a
motion-blurred image, U.S. Patent No.
7,639,289
Method for deblurring images using
optimized temporal coding patterns, U.S.
Patent No. 7,580,620
Method and apparatus for acquiring HDR
flash images, U.S. Patent No. 7,454,136
Method and apparatus for enhancing flash
and ambient images, U.S. Patent No.
7,443,443
Method for Estimating Camera Settings
Adaptively, U.S. Patent No. 7,403,707
Camera for directly generating a
gradient image, U.S. Patent No.
7,038,185
10+ Patent Applications pending
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Tutorials, Courses
and Invited Talks
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A. Agrawal & R.
Horstmeyer, `Light Fields in Computational
Photography’, CVPR 2011
A. Agrawal, A. Veeraraghavan, S. Narasimhan, A.
Mohan, ‘Coded
Computational Imaging’, CVPR 2010
A. Agrawal & R. Raskar, Differential Techniques
for Analysis and Synthesis in Vision and
Graphics, CVPR 2008
A. Agrawal & R. Raskar, "Gradient Domain
Manipulation Techniques in Vision and Graphics",
ICCV 2007
Coding and Modulation in Cameras: Computational
Photography beyond Photo Manipulations, CMU VASC
Seminar (Host: Srinivas Narasimhan), Mar
2008
A Framework for Surface Reconstruction from
Gradient Fields, Computer Graphics Group, MIT, Apr
2007
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Exhibits, Demos & Tech Shows
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Structured
Light 3D Scanning in Presence of Global
Illumination, Demo at CVPR 2011
A Practical and Robust System for
Object Detection and Pose Estimation in
Heavy Clutter using Active Illumination
(Multi-flash Camera), Demo at CVPR 2010
3D Sensing Technology for Cell Robot
Manufacturing, Mitsubishi Electric Press
Release, Tokyo, 2008
Depth Edges in Real-Time using Multi-flash
Camera, Demo at IEEE CVPR 2005
Camera Non-photo, Collision Senses,
Cambridge, MA, 2004
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| Professional Activities |
PROCAMS 2012 Program Committee
Member
OMNIVIS 2011 Program Committee Member
Workshop on Applications of Computer
Vision (WACV) 2011 Program Committee
Member
SIGGRAPH Asia 2011 Sketches and Posters
Committee Member
SIGGRAPH Asia 2010 Sketches and Posters
Committee Member
SIGGRAPH 2009 General Submissions Jury
Member
International Conference on Computational
Photography (ICCP) 2012 Program Committee
Member
International Conference on Computational
Photography (ICCP) 2011 Program Committee
Member
International Conference on Computational
Photography (ICCP) 2010 Program Committee
Member
Reviewer
IEEE CVPR 2007-, IEEE ICCV 2007-, ACCV
2007, ICCP 2009-
IEEE Transactions on Image Processing
(2005-)
IEEE Transactions on Pattern Analysis and
Machine Intelligence (PAMI) (2006-)
Eurographics 2005-, SIGGRAPH 2007-,
SIGGRAPH Asia 2008-
JVCI
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Honors & Awards
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Best Reviewers, CVPR 2011
Recipient of 2009 MERL Director’s Award
ICASSP 2005 Student
Paper Contest Winner (IMDSP
category)
Award for Excellence in PES project at
Hughes Software Systems, India
Best trainee project award at Hughes
Software Systems, India
First prize in Inter-Collegiate Hardware
Design Contest at Techkriti 2000 at IIT
Kanpur
All India Rank 272 in Joint Entrance
Examination-1996 for IIT among ~100,000
participants
Silver medal in National Talent Search
Contest in Mathematics (1994 and 1995),
Science (1995) & General Knowledge
(1993 and 1995)
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