ASHOK VEERARAGHAVAN
Rice University

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News

Paper "Can we beat Hadamard multiplexing? Data driven design and analysis for computational imaging systems" accepted in IEEE ICCP 2014. [PDF soon]

Paper "A Framework for Analysis of Computational Imaging Systems: Role of Signal Prior, Sensor Noise and Multiplexing" accepted in IEEE PAMI 2014.

Paper "Towards Compressive Camera Networks" accepted in Special Issue: Smart Camera Networks, IEEE Computer Magazine 2014.

Team involving Mayank Kumar and Vivek Boominathan secured the 2nd prize at Space Health Innovation Challenge (Twitter: #spacehealthhtx, Pic). They worked on No-contact Heart Rate Monitor.

Welcome Salman Asif, our group's newest postdoctoral researcher who is joining us from Samsung Telecommunications America.

Kaushik Mitra presented his paper "To Denoise or Deblur: Parameter Optimization for Imaging Systems" at SPIE Electronic Imaging Conference, 2014.

Co-organising 3rd IEEE International Workshop on Computational Cameras and Displays (CCD) going to be held in conjuction with CVPR 2014 in Columbus, Ohio.

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Selected Publications

per Performance Limits for Computational Photography
Kaushik Mitra,Oliver Cossairt, Ashok Veeraraghavan

International Workshop on Advanced Optical Imaging and Metrology 2013 [PDF]
Salil Towards Motion-Aware Light Field Video for Dynamic Scenes
Salil Tambe, Ashok Veeraraghavan, Amit Agarwal

IEEE Computer Society International Conference on Computer Vision (ICCV) 2013 [PDF]
fra A Framework for the Analysis of Computational Imaging Systems with Practical Applications
Kaushik Mitra, Oliver Cossairt, Ashok Veeraraghavan

PAMI 2013 [PDF]
Bounds Performance Bounds for Computational Imaging
Oliver Cossairt, Mohit Gupta, Kaushik Mitra, Ashok Veeraraghavan

Computational Optical Sensing and Imaging. Optical Society of America, 2013 [PDF]
re Reinterpretable Imager: Towards Variable Post-Capture Space, Angle and Time Resolution in Photography
Ramesh Raskar, Ashok Veeraraghavan, Amit Agrawal

Coputer Graphics Forum 2013 [PDF]
ana Analysis of Sparse Regularization Based Robust Regression Approaches
Kaushik Mitra, Ashok Veeraraghavan, Rama Chellappa

IEEE Transaction on Signal Processing 2013 [PDF]
a prac A practical approach to 3D scanning in the presence of interreflections, subsurface scattering and defocus
Mohit Gupta, Amit Agrawal, Ashok Veeraraghavan Srinivasa G Narasimhan

International Journal of Computer Vision 2013 [PDF]

cpr

Compressive light field photography
Kshitij Marwah, Gordon Wetzstein, Ashok Veeraraghavan, Ramesh Raskar

SIGGRAPH 2012 [PDF]

fast

Fast Object Localization and Pose Estimation in Heavy Clutter for Robotic Bin Picking
Ming-Yu Liu, Oncel Tuzel, Ashok Veeraraghavan, Yuichi Taguchi, Tim K Marks, Rama Chellappa

The Internation Journal of Robtics Research
2012 [PDF]

Marwah

Analysis of Linear Non-Adaptive Projective Visual Signal Sampling
K Marwah, A Veeraraghavan, R Raskar

Computation Optical Sensing and Imaging
2012 [PDF]

light

Light field denoising, light field superresolution and stereo camera based refocussing using a GMM light field patch prior
K Mitra, A Veeraraghavan

IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR) 2012 [PDF]
var Variable focus video: Reconstructing depth and video for dynamic scenes
N Shroff, Ashok Veeraraghavan, Y Taguchi, O Tuzel
A Agrawal, R Chellappa

IEEE International Conference on Computational Photography (ICCP) 2012 [PDF]

f

Flutter shutter video camera for compressive sensing of videos
J Holloway, AC Sankaranarayanan, A Veeraraghavan, S Tambe

IEEE International Conference on Computational Photography (ICCP) 2012 [PDF]

re Recovering three-dimensional shape around a corner using ultrafast time-of-flight imaging
Andreas Velten, Thomas Willwacher, Otkrist Gupta Ashok Veeraraghavan, Moungi G Bawendi, Ramesh Raskar

2012 [PDF]

rec

Reconstruction of hidden 3D shapes using diffuse reflections
Otkrist Gupta, Andreas Velten, Thomas Willwacher
Ashok Veeraraghavan, Ramesh Raskar

IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR) 2012 [PDF]
stat Statistical computations on grassmann and stiefel manifolds for image and video-based recognition
Pavan Turaga, Ashok Veeraraghavan, Anuj Srivastava
Rama Chellappa

IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI) 2012 [PDF]
prof Progressive versus Random Projections for Compressive Capture of Images, Lightfields and Higher Dimensional Visual Signals
Rohit Pandharkar, Ashok Veeraraghavan, Ramesh Raskar

9/9/2011 [PDF]
ll Structured light 3D scanning in the presence of global illumination
Mohit Gupta, Amit Agrawal, Ashok Veeraraghavan
Srinivasa G Narasimhan

IEEE Conference Computer Vision and Pattern Recognition (CVPR)
2011 [PDF]
p2c2 P2C2: Programmable pixel compressive camera for high speed imaging
Dikpal Reddy, Ashok Veeraraghavan, Rama Chellappa

IEEE Conference Computer Vision and Pattern Recognition (CVPR)
2011 [PDF]
findg Finding a needle in a specular haystack
Nitesh Shroff, Yuichi Taguchi, Oncel Tuzel
Ashok Veeraraghavan, Srikumar Ramalingam
Haruhisa Okuda

IEEE International Conference on Robotics and Automation (ICRA)
2011 [PDF]
coded Coded strobing photography: Compressive sensing of high speed periodic videos
Ashok Veeraraghavan, Dikpal Reddy, Ramesh Raskar

IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI )
2011 [PDF]
fa A fast bilinear structure from motion algorithm using a video sequence and inertial sensors
Mahesh Ramachandran, Ashok Veeraraghavan
Rama Chellappa

IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI )
2011[PDF]

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