2019

Adithya Pediredla*, Akshat Dave*, Ashok Veeraraghavan, “SNLOS: Non-line-of-sight Scanning through Temporal Focusing.IEEE International Conference on Computational Photography (ICCP), 2019 [pdf]
Ankit Raghuram*, Adithya Pediredla*, Srinivasa G. Narasimhan, Ioannis Gkioulekas, and Ashok Veeraraghavan, “STORM: Super-resolving Transients by OveRsampled Measurements.IEEE International Conference on Computational Photography (ICCP), 2019 [pdf]
Yicheng Wu, Vivek Boominathan, Huaijin Chen, Aswin Sankaranarayanan, and Ashok Veeraraghavan. “PhaseCam3D: Learning Phase Masks for Passive Single View Depth Estimation.IEEE International Conference on Computational Photography (ICCP), 2019 [pdf]
Yicheng Wu, Manoj Kumar Sharma, and Ashok Veeraraghavan. “WISH: wavefront imaging sensor with high resolution.” Light: Science & Applications 8.1 (2019): 44. [pdf]
Li Niu, Jianfei Cai, Ashok Veeraraghavan, and Liqing Zhang. “Zero-shot learning via category-specific visual-semantic mapping and label refinement.IEEE Transactions on Image Processing 28, no. 2 (2019): 965-979. [pdf]

2018

Li Niu, Ashok Veeraraghavan, and Ashu Sabharwal. “Fine-grained Classification using Heterogeneous Web Data and Auxiliary Categories.arXiv preprint arXiv:1811.07567 (2018). [pdf]
Jasper Tan, Li Niu, Jesse K. Adams, Vivek Boominathan, Jacob T. Robinson, Richard G. Baraniuk, and Ashok Veeraraghavan. “Face Detection and Verification Using Lensless Cameras.IEEE Transactions on Computational Imaging (2018).[pdf]
Fan Ye, Benjamin W. Avants, Ashok Veeraraghavan, and Jacob T. Robinson. “Integrated light-sheet illumination using metallic slit microlenses.Optics Express 26, no. 21 (2018): 27326-27338. [pdf]
Viswam Nathan, Sudip Paul, Temiloluwa Prioleau, Li Niu, Bobak J. Mortazavi, Stephen A. Cambone, Ashok Veeraraghavan, Ashutosh Sabharwal, and Roozbeh Jafari. “A Survey on Smart Homes for Aging in Place: Toward Solutions to the Specific Needs of the Elderly.” IEEE Signal Processing Magazine 35, no. 5 (2018): 111-119.
Christopher Metzler, Phillip Schniter, and Ashok Veeraraghavan. “prDeep: Robust Phase Retrieval with a Flexible Deep Network.” In International Conference on Machine Learning, pp. 3498-3507. 2018. [pdf]
Junru Wu, Yue Wang, Zhenyu Wu, Zhangyang Wang, Ashok Veeraraghavan, and Yingyan Lin. “Deep k-Means: Re-Training and Parameter Sharing with Harder Cluster Assignments for Compressing Deep Convolutions.” arXiv preprint arXiv:1806.09228 (2018). [pdf]
Adithya Pediredla K., Aswin C. Sankaranarayanan, Mauro Buttafava, Alberto Tosi, and Ashok Veeraraghavan. “Signal Processing Based Pile-up Compensation for Gated Single-Photon Avalanche Diodes.” arXiv preprint arXiv:1806.07437 (2018). [pdf]
Wanjia Liu, Huaijin Chen, Rishab Goel, Yuzhong Huang, Ashok Veeraraghavan, and Ankit Patel. “Fast Retinomorphic Event Stream for Video Recognition and Reinforcement Learning.” arXiv preprint arXiv:1805.06374 (2018). [pdf]
Fengqiang Li, Huaijin Chen, Chia-Kai Yeh, Ashok Veeraraghavan, and Oliver Cossairt. “High spatial resolution time-of-flight imaging.” In Computational Imaging III, vol. 10669, p. 1066908. International Society for Optics and Photonics, 2018.
Mehbuba Tanzid, Ashok Veeraraghavan, and Naomi J. Halas. “Absorption-enhanced Imaging through Scattering Medium.” In CLEO: QELS_Fundamental Science, pp. JTu2A-82. Optical Society of America, 2018.
Huaijin Chen, Jinwei Gu, Orazio Gallo, Ming-Yu Liu, Ashok Veeraraghavan, and Jan Kautz. “Reblur2Deblur: Deblurring videos via self-supervised learning.” In Computational Photography (ICCP), 2018 IEEE International Conference on, pp. 1-9. IEEE, 2018. [pdf] [supplemental]
Mayank Kumar, Ashok Veeraraghavan, and Ashutosh Sabharwal. “Camera based photoplethysmogram estimation.” U.S. Patent 9,936,880, issued April 10, 2018.
Mehbuba Tanzid, Nathaniel J. Hogan, Hossein Robatjazi, Ashok Veeraraghavan, and Naomi J. Halas. “Absorption-enhanced imaging through scattering media using carbon black nano-particles: from visible to near infrared wavelengths.” Journal of Optics 20, no. 5 (2018): 054001.
Amruta Pai, Ashok Veeraraghavan, and Ashutosh Sabharwal. “CameraHRV: robust measurement of heart rate variability using a camera.” In Optical Diagnostics and Sensing XVIII: Toward Point-of-Care Diagnostics, vol. 10501, p. 105010S. International Society for Optics and Photonics, 2018. [pdf]
Aswin Sankaranarayanan, Ashok Veeraraghavan, Lisa A. Hendricks, Richard Baraniuk, Ali Ayremlou, and M. Salman Asif. “Lensless imaging system using an image sensor with one or more attenuating layers.” U.S. Patent Application 15/547,235, filed January 25, 2018.
Nowara Magdalena, Ewa, Tim K. Marks, Hassan Mansour, and Ashok Veeraraghavan. “SparsePPG: Towards Driver Monitoring Using Camera-Based Vital Signs Estimation in Near-Infrared.” In Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops, pp. 1272-1281. 2018. [pdf][ppt]
Li Niu, Ashok Veeraraghavan, and Ashutosh Sabharwal. “Webly Supervised Learning Meets Zero-Shot Learning: A Hybrid Approach for Fine-Grained Classification.” In Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, pp. 7171-7180. 2018. [pdf]
Jaehee Park, Ashutosh Sabharwal, and Ashok Veeraraghavan. “Direct-Global Separation for Improved Imaging Photoplethysmography.” In Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops, pp. 1375-1384. 2018. [pdf]
Li Niu, Qingtao Tang, Ashok Veeraraghavan, and Ashutosh Sabharwal. “Learning From Noisy Web Data With Category-Level Supervision.” In Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, pp. 7689-7698. 2018. [pdf]

2017

Fengqiang Li, Huaijin Chen, Adithya Pediredla, Chiakai Yeh, Kuan He, Ashok Veeraraghavan, and Oliver Cossairt. “CS-ToF: High-resolution compressive time-of-flight imaging.” Optics express 25, no. 25 (2017): 31096-31110. [pdf]
Jesse Adams K., Vivek Boominathan, Benjamin W. Avants, Daniel G. Vercosa, Fan Ye, Richard G. Baraniuk, Jacob T. Robinson, and Ashok Veeraraghavan. “Single-frame 3D fluorescence microscopy with ultraminiature lensless FlatScope.” Science advances 3, no. 12 (2017): e1701548. [PDF] [supplemental]
Ashutosh Sabharwal, and Ashok Veeraraghavan. “Bio-Behavioral Sensing: An Emerging Engineering Area.” GetMobile: Mobile Computing and Communications 21, no. 3 (2017): 11-18.
Qiong Huang, Ashok Veeraraghavan, and Ashutosh Sabharwal. “TabletGaze: dataset and analysis for unconstrained appearance-based gaze estimation in mobile tablets.” Machine Vision and Applications 28, no. 5-6 (2017): 445-461. [link]
Ashok. Veeraraghavan “Computational imaging: beyond the limits imposed by lenses (Conference Presentation).” In Computational Imaging II, vol. 10222, p. 1022205. International Society for Optics and Photonics, 2017.
Subhadip Mukherjee, Huaijin Chen, Ashok Veeraraghavan, and Chandra Sekhar Seelamantula. “Online Reweighted Least Squares Algorithm for Sparse Recovery and Application to Short-Wave Infrared Imaging.” arXiv preprint arXiv:1706.09585 (2017). [pdf]
Ewa Nowara Magdalena, Ashutosh Sabharwal, and Ashok Veeraraghavan. “Ppgsecure: Biometric presentation attack detection using photopletysmograms.” In Automatic Face & Gesture Recognition (FG 2017), 2017 12th IEEE International Conference on, pp. 56-62. IEEE, 2017. [pdf] [ppt]
Christopher Metzler A., Manoj K. Sharma, Sudarshan Nagesh, Richard G. Baraniuk, Oliver Cossairt, and Ashok Veeraraghavan. “Coherent inverse scattering via transmission matrices: Efficient phase retrieval algorithms and a public dataset.” In Computational Photography (ICCP), 2017 IEEE International Conference on, pp. 1-16. IEEE, 2017. [pdf]
Jason Holloway, Yicheng Wu, Manoj K. Sharma, Oliver Cossairt, and Ashok Veeraraghavan. “SAVI: Synthetic apertures for long-range, subdiffraction-limited visible imaging using Fourier ptychography.” Science advances 3, no. 4 (2017): e1602564. [link]
Jasper Tan, Vivek Boominathan, Ashok Veeraraghavan, and Richard Baraniuk. “Flat focus: depth of field analysis for the FlatCam lensless imaging system.” In Acoustics, Speech and Signal Processing (ICASSP), 2017 IEEE International Conference on, pp. 6473-6477. IEEE, 2017. [pdf]
Adithya Pediredla Kumar, Nathan Matsuda, Oliver Cossairt, and Ashok Veeraraghavan. “Linear systems approach to identifying performance bounds in indirect imaging.” In Acoustics, Speech and Signal Processing (ICASSP), 2017 IEEE International Conference on, pp. 6235-6239. IEEE, 2017. [pdf][video]
Temiloluwa Prioleau, Yuqiang Heng, Ashok Veeraraghavan, and Ashutosh Sabharwal. “Exploring the effect of food intake and physical activity on body weight.” In Biomedical & Health Informatics (BHI), 2017 IEEE EMBS International Conference on, pp. 165-168. IEEE, 2017.
Adithya Pediredla Kumar, Mauro Buttafava, Alberto Tosi, Oliver Cossairt, and Ashok Veeraraghavan. “Reconstructing rooms using photon echoes: A plane based model and reconstruction algorithm for looking around the corner.” In 2017 IEEE International Conference on Computational Photography (ICCP). IEEE, 2017. [pdf][video]
Richard Baraniuk G., Thomas Goldstein, Aswin C. Sankaranarayanan, Christoph Studer, Ashok Veeraraghavan, and Michael B. Wakin. “Compressive video sensing: algorithms, architectures, and applications.” IEEE Signal Processing Magazine 34, no. 1 (2017): 52-66.
Ashutosh Sabharwal, and Ashok Veeraraghavan. “Scalable Medical Devices: Personal and Social.” In Healthcare Engineering, pp. 9-14. Springer, Singapore, 2017.

2016

Adithya Pediredla Kumar, Shizheng Zhang, Ben Avants, Fan Ye, Shin Nagayama, Ziying Chen, Caleb Kemere, Jacob T. Robinson, and Ashok Veeraraghavan. “Deep imaging in scattering media with selective plane illumination microscopy.” Journal of biomedical optics 21, no. 12 (2016): 126009. [pdf] [ppt]
Chia-Yin Tsai, Ashok Veeraraghavan, and Aswin C. Sankaranarayanan. “Shape and reflectance from two-bounce light transients.” In Computational Photography (ICCP), 2016 IEEE International Conference on, pp. 1-10. IEEE, 2016. [pdf]
Ryuichi Tadano, Adithya Pediredla, and Ashok Veeraraghavan. “Imaging device and imaging control method.” U.S. Patent Application 15/133,496, filed October 27, 2016.
Mehbuba Tanzid, Nathaniel J. Hogan, Ali Sobhani, Hossein Robatjazi, Adithya K. Pediredla, Adam Samaniego, Ashok Veeraraghavan, and Naomi J. Halas. “Absorption-induced image resolution enhancement in scattering media.” ACS Photonics3, no. 10 (2016): 1787-1793.
Ryuichi Tadano, Adithya Kumar Pediredla, Kaushik Mitra, and Ashok Veeraraghavan. “Spatial phase-sweep: Increasing temporal resolution of transient imaging using a light source array.” In Image Processing (ICIP), 2016 IEEE International Conference on, pp. 1564-1568. IEEE, 2016. [pdf][ppt]
Rajeswari Kannan, Pranav Mishra, Ashish Rao, Vivek Boominathan, Ashok Veeraraghavan, and Ramesh Raskar. “Methods and Apparatus for Depth Sensing.” U.S. Patent Application 14/583,059, filed June 30, 2016.
Jason Holloway, M. Salman Asif, Manoj Kumar Sharma, Nathan Matsuda, Roarke Horstmeyer, Oliver Cossairt, and Ashok Veeraraghavan. “Toward long-distance subdiffraction imaging using coherent camera arrays.” IEEE Transactions on Computational Imaging 2, no. 3 (2016): 251-265. [pdf]
Souptik Barua, Yoshitaka Miyatani, and Ashok Veeraraghavan. “Direct face detection and video reconstruction from event cameras.” In Applications of Computer Vision (WACV), 2016 IEEE Winter Conference on, pp. 1-9. IEEE, 2016. [pdf][ppt]
M. Asif Salman, Ali Ayremlou, Aswin Sankaranarayanan, Ashok Veeraraghavan, and Richard G. Baraniuk. “FlatCam: Thin, lensless cameras using coded aperture and computation.” IEEE Transactions on Computational Imaging 3, no. 3 (2017): 384-397. [pdf]
Honnungar Sagar, Jason Holloway, Adithya Kumar Pediredla, Ashok Veeraraghavan, Kaushik Mitra, “Focal-sweep for large aperture time-of-flight cameras”, IEEE International Conference on Image Processing (ICIP), 2016. [pdf] [ppt]
Boominathan Vivek, Jesse K Adams, M Salman Asif, Benjamin W Avants, Jacob T Robinson, Richard G Baraniuk, Aswin C Sankaranarayanan, Ashok Veeraraghavan, “Lensless Imaging: A computational renaissance”, IEEE Signal Processing Magazine, 2016. [link] [PDF]
Agrawal Amit, Richard Baraniuk, Paolo Favaro, Ashok Veeraraghavan, “Signal Processing for computational Photography and Displays”, IEEE Signal Processing Magazine, 2016. [link]
Chen Huaijin, Suren Jayasuriya, Jiyue Yang, Judy Stephen, Sriram Sivaramakrishnan, Ashok Veeraraghavan, Alyosha Molnar, “ASP Vision: Optically Computing the First Layer of Convolutional Neural Networks using Angle Sensitive Pixels”, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2016. [PDF] [code]
Tanzid Mehbuba, Ali Sobhani, Christopher J DeSantis, Yao Cui, Nathaniel J Hogan, Adam Samaniego, Ashok Veeraraghavan, Naomi J Halas, “Imaging through plasmonic nanoparticles”, Proceedings of the National Academy of Sciences, 2016. [link]
Mayank Kumar, James Suliburk, Ashok Veeraraghavan, and Ashutosh Sabharwal. “PulseCam: High-resolution blood perfusion imaging using a camera and a pulse oximeter.” In Engineering in Medicine and Biology Society (EMBC), 2016 IEEE 38th Annual International Conference of the, pp. 3904-3909. IEEE, 2016. [pdf]
Yuhi Kondo, Takefumi Nagumo, and Jun Luo. “Image processing apparatus, image processing method, and program.” U.S. Patent 8,169,490, issued May 1, 2012.

2015

Ryuichi Tadano, Adithya Kumar Pediredla, Kaushik Mitra, Ashok Veeraraghavan, “Spatial Phase-Sweep: Increasing temporal resolution of transient imaging using a light source array”, arXiv. [PDF]

 

Souptik Barua, Kaushik Mitra, Ashok Veeraraghavan, “Saliency guided Wavelet compression for low-bitrate Image and Video coding”, accepted for IEEE Global Conference on Signal and Information Processing (GlobalSIP), 2015. [PDF]

 

 

 

Ryuichi Tadano, Adithya Pediredla, Ashok Veeraraghavan, “Depth Selective Camera: A Direct, On-chip, Programmable Technique for Depth Selectivity in Photography”, accepted for International Conference on Computer Vision (ICCV), 2015. [PDF] [video]

 

Suren Jayasuriya, Adithya Pediredla, Sriram Sivaramakrishnan, Alyosha Molnar, Ashok Veeraraghavan, “Depth Fields: Extending Light Field Techniques to Time-of-Flight Imaging”, accepted for International Conference on 3D Vision, 2015. [webpage] [PDF]

M. Salman Asif, Ali Ayremlou, Aswin Sankaranarayanan, Ashok Veeraraghavan, Richard Baraniuk, “FlatCam: Thin, Bare-Sensor Cameras using Coded Aperture and Computation”, submitted to IEEE Transactions on Computational Imaging. [PDF]

Qiong Huang, Ashok Veeraraghavan, Ashutosh Sabharwal, “TabletGaze: Unconstrained Appearance-based Gaze Estimation in Mobile Tablets”, arXiv. [PDF]

 

Huaijin Chen, M. Salman Asif, Aswin C. Sankaranarayanan, Ashok Veeraraghavan, “FPA-CS: Focal Plane Array-based Compressive Imaging in Short-wave Infrared”, accepted for 2015 Computer Vision and Pattern Recognition (CVPR) Conference, June 2015 [PDF]

 

Mayank Kumar, Ashok Veeraraghavan,Ashutosh Sabharwal, “DistancePPG: Robust non-contact vital signs monitoring using a camera”, accepted in Biomedical Optics Express, 2015 [webpage] [pdf]

2014

Jason Holloway, Kaushik Mitra, Sanjeev Koppal, Ashok Veeraraghavan, “Generalized Assorted Camera Arrays: Robust Cross-channel Registration and Applications”, in IEEE TIP, 2014 [webpage] [PDF]

Ali Ayremlou, Thomas Goldstein, Ashok Veeraraghavan, Richard Baraniuk, “Fast Sublinear Sparse Representation using Shallow Tree Matching Pursuit”, in arXiv, 2014 [webpage] [PDF]

 

Adam Samaniego, Vivek Boominathan, Ashok Veeraraghavan, “mobileVision: A Face-mounted, Voice-activated, Non-mydriatic Lucky Ophthalmoscope”, in Wireless Health, 2014 [PDF]

 

 

 

Jason Holloway, Tanu Priya, Ashok Veeraraghavan, Saurabh Prasad, “Image classification in natural scenes: Are a few selective spectral channels sufficient?”, in IEEE ICIP, 2014 [webpage] [PDF] [ppt]

 

 

Todor Georgiev, Salil Tambe, Andrew Lumsdaine, Jennifer Gille, Ashok Veeraraghavan, “The Radon Image As Plenoptic Function”, in IEEE ICIP, 2014 [PDF]

 

Richard Latimer, Jason Holloway, Ashok Veeraraghavan, Ashutosh Sabharwal, “SocialSync: Sub-Frame Synchronization in a Smartphone Camera Network”, in ECCV, 2014 [webpage] [PDF] [ppt]

 

 

Atsushi Ito, Salil Tambe, Kaushik Mitra, Aswin C. Sankaranarayanan, Ashok Veeraraghavan, “Compressive Epsilon Photography for Post-Capture Control in Digital Imaging”, in ACM SIGGRAPH, 2014 [webpage] [PDF]

 

Vivek Boominathan, Kaushik Mitra, Ashok Veeraraghavan, “Improving Resolution and Depth-of-Field of Light Field Cameras Using a Hybrid Imaging System”, in IEEE ICCP, 2014 [webpage] [PDF] [ppt]

 

 

Kaushik Mitra, Oliver Cossairt, Ashok Veeraraghavan, “Can we beat Hadamard multiplexing? Data driven design and analysis for computational imaging systems”, in IEEE ICCP, 2014 [webpage] [PDF]

Kaushik Mitra, Oliver Cossairt, Ashok Veeraraghavan, “A Framework for Analysis of Computational Imaging Systems: Role of Signal Prior, Sensor Noise and Multiplexing”, in IEEE PAMI, 2014 [webpage] [PDF]

Kaushik Mitra, Oliver Cossairt, Ashok Veeraraghavan, “To Denoise or Deblur: Parameter Optimization for Imaging Systems”, in SPIE Electronic Imaging, 2014 [PDF]

Kaushik Mitra, Ashok Veeraraghavan, Aswin C. Sankaranarayanan, Richard G. Baraniuk, “Towards Compressive Camera Networks”, in Special Issue: Smart Camera Networks, IEEE Computer Magazine 2014 [PDF]

2013

Salil Tambe, Amit Agrawal, Ashok Veeraraghavan, “Towards Motion-Aware Light Field Video for Dynamic Scenes”, in IEEE ICCV 2013 [webpage] [PDF]

Kaushik Mitra, Oliver Cossairt, Ashok Veeraraghavan, “Performance Limits for Computational Photography”, Fringe, Springer Berlin Heidelberg, Jan 2013 [PDF]

Oliver Cossairt, Mohit Gupta, Kaushik Mitra, Ashok Veeraraghavan, “Performance Bounds for Computational Imaging” in Computational Optical Sensing and Imaging, June 2013 [PDF]

Ramesh Raskar, Ashok Veeraraghavan, Amit Agrawal, “Reinterpretable Imager: Towards Variable Post-Capture Space, Angle and Time Resolution in Photography”, in Computer Graphics Forum 29, John Wiley & Sons, Apr 2013 [PDF]

Kaushik Mitra, Ashok Veeraraghavan, Rama Chellappa, “Analysis of Sparse Regularization Based Robust Regression Approaches”, accepted for IEEE Transactions on Signal Processing, March 2013 [PDF]

Mohit Gupta, Amit Agrawal, Ashok Veeraraghava,n Srinivasa G Narasimhan, “A practical approach to 3D scanning in the presence Æ’of interreflections, subsurface scattering and defocus”, in International Journal of Computer Vision, Springer US, March 2013 [PDF]

2012 and earlier

Ashok Veeraraghavan, Mohit Gupta, Amit Agrawal, “Structured Light for 3D Shape Reconstruction Subject to Global Illumination”, United States Patent Application 20120237112, Sep 2012 [PDF]

Kshitij Marwah, Gordon Wetzstein, Ashok Veeraraghavan, Ramesh Raskar, “Compressive light field photography” , ACM Transactions on Graphics (Proceedings of SIGGRAPH), Aug 2012 [PDF]

Ming-Yu Liu, Oncel Tuzel, Ashok Veeraraghavan, Yuichi Taguchi, Tim Marks, Rama Chellappa, “Fast Object Localization and Pose Estimation in Heavy Clutter for Robotic Bin Picking”, in The Internation Journal of Robtics Research, July 2012 [PDF]

K Marwah, A Veeraraghavan, R Raskar, “Analysis of Linear Non-Adaptive Projective Visual Signal Sampling”, in the Conference of Computation Optical Sensing and Imaging Optical Society of America, June 2012 [PDF]

K Mitra, A Veeraraghavan, “Light field denoising, light field superresolution and stereo camera based refocussing using a GMM light field patch prior” , accepted for IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), June 2012 [PDF]

Nitresh Shroff, Ashok Veeraraghavan, Yuichi Taguchi, Oncel Tuzel, Amit Agrawal, R Chellappa, “Variable focus video: Reconstructing depth and video for dynamic scenes”, accepted for IEEE International Conference on Computational Photography (ICCP), April 2012 [PDF]

 

J Holloway, AC Sankaranarayanan, A Veeraraghavan, S Tambe, “Flutter shutter video camera for compressive sensing of videos”, accepted for IEEE International Conference on Computational Photography (ICCP), April 2012 [PDF] [ppt]

 

 

Andreas Velten, Thomas Willwacher, Otkrist Gupta, Ashok Veeraraghavan, Moungi G Bawendi, Ramesh Raskar, “Recovering three-dimensional shape around a corner using ultrafast time-of-flight imaging“, in Nature Communications, March 2012 [PDF]

Otkrist Gupta, Andreas Velten, Thomas Willwacher, Ashok Veeraraghavan, Ramesh Raskar, “Reconstruction of hidden 3D shapes using diffuse reflections”, March 2012 [PDF]

Pavan Turaga, Ashok Veeraraghavan, Anuj Srivastava, Rama Chellappa, “Statistical computations on grassmann and stiefel manifolds for image and video-based recognition“, accepted for IEEE Conference on Pattern Analysis and Machine Intelligenece (PAMI), Nov 2011 [PDF]

Rohit Pandharkar, Ashok Veeraraghavan, Ramesh Raskar, “Progressive versus Random Projections for Compressive Capture of Images, Lightfields and Higher Dimensional Visual Signals”, in Computer Vision and Pattern Recognition, Sep 2011 [PDF]

Mohit Gupta, Amit Agrawal, Ashok Veeraraghavan, Srinivasa G Narasimhan, “Structured light 3D scanning in the presence of global illumination”, accepted for 2011 IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2011 [PDF]

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

Nitesh Shroff, Yuichi Taguchi, Oncel Tuzel, Ashok Veeraraghavan, Srikumar Ramalingam, Haruhisa Okuda, “Finding a needle in a specular haystack”, accepted for 2011 IEEE International Conference on Robotics and Automation (ICRA) , May 2011 [PDF]

Ashok Veeraraghavan, Dikpal Reddy, Ramesh Raskar, “Coded strobing photography: Compressive sensing of high speed periodic videos“, accepted for IEEE Conference on Pattern Analysis and Machine Intelligence (PAMI), April 2011 [PDF]

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

Pavan Turaga, Rama Chellappa, Ashok Veeraraghavan, “Advances in video-based human activity analysis: challenges and approaches“, in Advances in Computers, Dec 2010 [PDF]

Yuichi Taguchi, Amit Agrawal, Ashok Veeraraghavan, Srikumar Ramalingam, Ramesh Raskar,“Axial-cones: modeling spherical catadioptric cameras for wide-angle light field rendering”, in ACM Transactions on Graphics (TOG) 12/1/2010 [PDF]

M Salman Asif, Dikpal Reddy, Petros T Boufounos, Ashok Veeraraghavan, “Streaming compressive sensing for high-speed periodic videos”,2010, accepted for the 17th IEEE International Conference on Image Processing (ICIP), Sep 2010 [PDF]

Yuichi Taguchi, Amit K Agrawal, Ashok N Veeraraghavan, Srikumar Ramalingam, Ramesh Raskar, “Digital Refocusing for Wide-Angle Images Using Axial-Cone Cameras”, United States Patent Application 12825608, June 2010 [PDF]

Kaushik Mitra, Ashok Veeraraghavan, Rama Chellappa, “Robust RVM regression using sparse outlier model”, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2010 [PDF]

Ming-Yu Liu, Oncel Tuzel, Ashok Veeraraghavan, Rama Chellappa, “Fast Directional Chamfer Matchin”, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2010 [PDF]

Aswin Sankaranarayanan, Ashok Veeraraghavan, Oncel Tuzel, Amit Agrawal, “Specular Surface Reconstruction from Sparse Reflection Correspondences”, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2010 [PDF]

Ashok Veeraraghavan, Alex Genkin, Shivnaga Vitaladevuni, Lou Scheffer, Shan Xu, Increasing Depth Resolution of Electron Microscopy of Neural Circuits using Sparse Tomographic Reconstruction, Harald Hess, Graham Knott and Dmitri Chklovskii, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2010 [PDF]

Yuichi Taguchi, Amit Agrawal, Srikumar Ramalingam, Ashok Veeraraghavan “Axial Light Field for Curved Mirrors: Reflect Your Perspective”, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2010 [PDF]

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Amit Agrawal, Mohit Gupta, Ashok Veeraraghavan, Srinivasa Narasimhan, “Optimal Coded Sampling for Temporal Super-Resolution“, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2010 [PDF]

Ashok Veeraraghavan, Dikpal Reddy, Ramesh Raskar, “Coded Strobing Photography: Compressive Sensing of High-Speed Periodic Events”, accepted for IEEE Transactions on Pattern Analysis and Machine Intelligence ( In Publication Queue ), April 2011 [PDF]

Ming-Yu Liu, Oncel Tuzel, Ashok Veeraraghavan, Rama Chellappa, Amit Agrawal, H. Okud, “Pose Estimation in Heavy Clutter using Multi-Flash Camera”, accepted for IEEE International Conference on Robotics and Automation (ICRA), 2010 [PDF]

Amit Agrawal, Ashok Veeraraghavan, Ramesh Raskar, “Reinterpretable Imager: Towards Variable Post-Capture Space, Angle and Time Resolution in Photography”, in tthe Eurographics Journal – Computer Graphics Forum ( Proceedings of Eurographics), May 2010 [PDF]

Amit K Agrawal, Ashok Veeraraghavan, “Method and system for generating high temporal resolution video from low temporal resolution videos”, United States Patent Application 12751460, March 2010 [PDF]

Amit K Agrawal, Ashok Veeraraghavan, Srinivasa G Narasimhan, Mohit Gupta, “Video Camera for Acquiring Images with Varying Spatio-Temporal Resolutions”, United States Patent Application 12751216, March 2010 [PDF]

Kaushik Mitra, Ashok Veeraraghavan, Rama Chellappa, “Robust regression using sparse learning for high dimensional parameter estimation problems Acoustics Speech and Signal Processing”, accepted for IEEE International Conference pn Acoustics Speech and Signal Processing (ICASSP), March 2010 [PDF]

Rama Chellappa, Aswin Sankaranarayanan, Ashok Veeraraghavan, Pavan Turaga, “Statistical Methods and Models for Video-Based Tracking, Modeling, and Recognition Foundation and Trends in Signal Processing”, in Foundations and Trends in Signal Processing, Jan 2010 [PDF]

Ricky J Sethi, Amit K Roy-Chowdhury, Ashok Veeraraghavan, “Gait Recognition Using Motion Physics in a Neuromorphic Computing FrameworkMultibiometrics for Human Identification“, in Cambridge University Press 2010 [PDF]

Aswin Sankaranarayanan, Ashok Veeraraghavan, Oncel Tuzel, Amit Agrawal, “Image Invariants for Smooth Reflective Surface European Conference on Computer Vision”, in European Conference on Computer Vision(ECCV), 2010 [PDF]

Pavan Turaga, Ashok Veeraraghavan, Anuj Srivastava, Rama Chellappa, “Statistical analysis on manifolds and its applications to video analysis”, in Video Search and Mining, Springer Berlin Heidelberg Jan 2010 [PDF]

Mohit Gupta, Amit Agrawal, Ashok Veeraraghavan, Srinivasa Narasimhan, “Flexible Voxels for Motion-Aware Videography”, in European Conference on Computer Vision (ECCV), 2010 [PDF]

Cuneyt Oncel Tuzel, Ashok Veeraraghavan, “Method and system for determining poses of objects”, United States Patent Application 12648190, Dec 2009 [PDF]

Tim K Marks, Ashok Veeraraghavan, Yuichi Taguchi, “Method and System for Segmenting Moving Objects from Images Using Foreground Extraction”, United States Patent Application 12634839, Dec 2009 [PDF]

Ju Yong Chang, Amit Kumar Agrawal, Ashok N Veeraraghavan, Ramesh N Raskar, Jay E, “Method and System for Estimating 3D Pose of Specular Objects Thorton”, United States Patent Application 12509860, July2009 [PDF]

Ashok Veeraraghavan, Anuj Srivastava, Amit K Roy-Chowdhury, Rama Chellappa, “Rate-invariant recognition of humans and their activities”, IEEE Transactions on Image Processing, June 2009 [PDF]

Pavan Turaga, Ashok Veeraraghavan, Rama Chellappa, “Unsupervised view and rate invariant clustering of video sequences”, in Computer Vision and Image Understanding, Academic Press, March 2009 [PDF]

Rama Chellappa, Ashok Veeraraghavan, Narayanan Ramanathan, “Gait biometrics, overview”, Encyclopedia of Biometrics, Springer US, Jan 2009 [PDF]

Rama Chellappa, Ashok Veeraraghavan, Aswin C Sankaranarayanan, “Knowledge Extraction from Surveillance Sensors”, in Wiley Handbook of Science and Technology for Homeland Security, John Wiley & Sons, 2009 [PDF]

Mahesh Ramachandran, Ashok Veeraraghavan, Rama Chellappa, “Video stabilization and mosaicing”, in The Essential Guide to Video Processing, 2009 [PDF]

Ashok Veeraraghavan, “Shape Dynamical Models for Activity Recognition and Coded Aperture Imaging for Light-Field Capture”, Nov 2008 [PDF]

Ashok Veeraraghavan, Mahesh Ramachandran, Manohar Mareboyana, “Homography based distributed video coding for a network of cameras”, accepted for IEEE International Conference on Image Processing (ICIP), Oct 2008 [PDF]

W Wolf, S Saha, S Puthenpurayil, J Schlessman, SS Bhattacharyya, IF Akyildiz, T Melodia, KR Chowdhury, AC Sankaranarayanan, A Veeraraghavan, R Chellappa, D Devarajan, Z Cheng, RJ Radke, F Qureshi, D Terzopoulos, D Lymberopoulos, T Teixeira, A Savvides, “Distributed Smart Cameras”, in the Proceeding of IEEE, Oct 2008 [PDF]

Aswin C Sankaranarayanan, Ashok Veeraraghavan, Rama Chellappa, “Object detection, tracking and recognition for multiple smart cameras”, in the Proceeding of IEEE, Oct 2008 [PDF]

Ramesh Raskar, Amit Agrawal, Cyrus A Wilson, Ashok Veeraraghavan, “Glare aware photography: 4D ray sampling for reducing glare effects of camera lenses”, in ACM Transactions on Graphics (TOG), Aug 2008 [PDF]

Ashok Veeraraghavan, Amit Agrawal, Ramesh Raskar, Ankit Mohan, Jack Tumblin, “Non-refractive modulators for encoding and capturing scene appearance and depth”, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2008 [PDF]

Pavan Turaga, Ashok Veeraraghavan, Rama Chellappa, “Statistical analysis on Stiefel and Grassmann manifolds with applications in computer vision”, accepted for IEEE Conference for Computer Vision and Pattern Recognition (CVPR), June 2008 [PDF]

Rama Chellappa, Aswin C Sankaranarayanan, Ashok Veeraraghavan, “Mixed state models for automatic target recognition and behavior analysis in video sequences”, in SPIE Defense and Security Symposium International Society for Optics and Photonics, April 2008 [PDF]

Ashok Veeraraghavan, Rama Chellappa, Mandyam Srinivasan, “Shape-and-behavior encoded tracking of bee dances”, accepted IEEE Conference on Pattern Analysis and Machine Intelligence (PAMI), March 2008 [PDF]

Ashok Veeraraghavan, “Shape Dynamical Models for Activity Analysis and Coded Aperture Imaging for Light-field Capture”, Nov 2008 [PDF]

Mahesh Ramachandran, Ashok Veeraraghavan, Rama Chellappa, “Fast bilinear SfM with side information”, accepted for IEEE 11th International Conference on Computer Vision, Oct 2007 [PDF]

Ashok Veeraraghavan, Ankit Mohan, Jack Tumblin Ramesh Raskar Amit Agrawal,“A low-cost test bed for light field capture experiments”, ACM Transactions on Graphics (SIGGRAPH), Aug 2007 [PDF]

Ashok Veeraraghavan, Ramesh Raskar, Amit Agrawal, Ankit Mohan and Jack Tumblin, “Dappled Photography: Mask Enhanced Cameras for Heterodyned Light Fields and Coded Aperture Refocusing”, ACM Transactions on Graphics (SIGGRAPH), 2007 [PDF]

Pavan K Turaga, Ashok Veeraraghavan, Rama Chellappa, “From videos to verbs: Mining videos for activities using a cascade of dynamical systems”, accepted for IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2007 [PDF]

Ashok Veeraraghavan, Ramesh Raskar, Amit Agrawal, Ankit Mohan, Jack Tumblin, “Frequency Domain capture of light fields using Heterodyning: Analysis of Aliasing”, in Technical report, UMIACS, 2007 [PDF]

Sankalita Saha, Chung-Ching Shen, Chia-Jui Hsu, Gaurav Aggarwal, Ashok Veeraraghavan, Alan Sussman, Shuvra S Bhattacharyya, “Model-based OpenMP implementation of a 3D facial pose tracking system”, accepted for IEEEP Conference on Parallel Processing Workshops (ICPP), Aug 2006 [PDF]

Ashok Veeraraghavan, Mandyam Srinivasan, Rama Chellappa, Emily Baird, Richard Lamont, “Motion based correspondence for 3D tracking of multiple dim objects”, accepted for IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), May 2006 [PDF]

Ashok Veeraraghavan, Rama Chellappa, Amit K Roy-Chowdhury, “The function space of an activity”, accepted for IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2006 [PDF]

Ashok Veeraraghavan, Amit K Roy-Chowdhury, Rama Chellappa,“Matching shape sequences in video with applications in human movement analysis”, accepted for IEEE Pattern Analysis and Machine Intelligence (PAMI), Dec 2005 [PDF]

Rama Chellappa, Ashok Veeraraghavan, Gaurav Aggarwal, “Pattern recognition in video”, accepted for IEEE Pattern Recognition and Machine Intelligence (PAMI), Jan 2005 [PDF]

Gaurav Aggarwal, Ashok Veeraraghavan, Rama Chellappa, “3D facial pose tracking in uncalibrated videos”, accepeted for IEEE Pattern Recognition and Machine Intelligence (PAMI), Jan 2005 [PDF]

Ashok Veeraraghavan, A Roy Chowdhury, Rama Chellappa,“Role of shape and kinematics in human movement analysis”, accepted for proceedings of IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR) June 2004 [PDF]