Making the invisible visible–inside our bodies, around us, and beyond–for health, work, and connection

Camera Culture

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Rethinking Machine Vision Time of Flight With GHz Heterodyning

Kadambi, Achuta and Raskar, Ramesh, Rethinking Machine Vision Time of Flight with GHz Heterodyning, IEEE Access 2017

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Calibration Invariant Imaging with Deep Learning

Guy Satat, Matthew Tancik, Otkrist Gupta, Barmak Heshmat, and Ramesh Raskar, "Object classification through scattering media with deep learning on time resolved measurement," Opt. Express 25, 17466-17479 (2017)

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Polarized 3D Cameras for high-quality 3D scanning

Kadambi, Achuta, et al. "Depth Sensing Using Geometrically Constrained Polarization Normals." International Journal of Computer Vision 125.1-3 (2017): 34-51.

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Zensei: Embedded, Multi-electrode Bioimpedance Sensing for Implicit, Ubiquitous User Recognition

Munehiko Sato, Rohan S. Puri, Alex Olwal, Yosuke Ushigome, Lukas Franciszkiewicz, Deepak Chandra, Ivan Poupyrev, and Ramesh Raskar. 2017. Zensei: Embedded, Multi-electrode Bioimpedance Sensing for Implicit, Ubiquitous User Recognition. In Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems (CHI '17). ACM, New York, NY, USA, 3972-3985.

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Femto-Photography: Capturing Light in Motion

A Jarabo, B Masia, A Velten, R Raskar, D Gutiérrez Jornada de Jóvenes Investigadores del I3A, 2017

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Designing Neural Network Architectures using Reinforcement Learning

Bowen Baker, Otkrist Gupta, Nikhil Naik, Ramesh Raskar arXiv preprint arXiv:1611.02167

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LRA: Local Rigid Averaging of Stretchable Non-rigid Shapes

Raviv, D., Bayro-Corrochano, E. & Raskar, R. Int J Comput Vis (2017). doi:10.1007/s11263-017-1002-1

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Lensless Imaging with Compressive Ultrafast Sensing

Guy Satat, Matthew Tancik, Ramesh Raskar 10.1109/TCI.2017.2684624

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Sampling Without Time: Recovering Echoes of Light via Temporal Phase Retrieval

Ayush Bhandari, Aurelien Bourquard, Ramesh Raskar 12 pages, 4 figures, to appear at the 42nd IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

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32 Image Processing in Medical Imaging

Anshuman J Das, Ramesh Raskar Global Health Informatics: Principles of Ehealth and Mhealth to Improve Quality of Care, page 403

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Volume estimation of tonsil phantoms using an oral camera with 3D imaging

Anshuman J. Das, Tulio A. Valdez, Jose Arbouin Vargas, Punyapat Saksupapchon, Pushyami Rachapudi, Zhifei Ge, Julio C. Estrada, and Ramesh Raskar

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SPAD cameras for biomedical imaging: Promise and problems

Barmak Heshmat, Genevieve Gariepy, Jonathan Leach, Ramesh Raskar, Daniele Faccio Lasers and Electro-Optics (CLEO), 2016 Conference, IEEE, Pages 1-2

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Macroscopic Interferometry

Achuta Kadambi, Jamie Schiel, Ramesh Raskar

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Sweep Distortion Removal from THz Images via Blind Demodulation

Alireza Aghasi, Barmak Heshmat, Albert Redo-Sanchez, Justin Romberg, Ramesh Raskar Optica, Vol.3, Issue 7, pp. 754-762

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Deep learning the city: Quantifying urban perception at a global scale

Abhimanyu Dubey, Nikhil Naik, Devi Parikh, Ramesh Raskar, César A Hidalgo Springer International Publishing

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Terahertz time-gated spectral imaging for content extraction through layered structures

Albert Redo-Sanchez, Barmak Heshmat, Alireza Aghasi, Salman Naqvi, Mingjie Zhang, Justin Romberg, Ramesh Raskar Nature Communications, Volume 7, Pages 12665

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Imaging the propagation of light through scenes at picosecond resolution

Andreas Velten, Di Wu, Belen Masia, Adrian Jarabo, Christopher Barsi, Chinmaya Joshi, Everett Lawson, Moungi Bawendi, Diego Gutierrez, Ramesh Raskar Communications of the ACM, Volume 59, Issue 9. Pages 79-86

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Signal Processing for Time-of-Flight Imaging Sensors: An introduction to inverse problems in computational 3-D imaging

Ayush Bhandari, Ramesh Raskar IEEE Signal Processing Magazine, Volume 33, Issue 5, Pages 45-58

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Identi-wheez—A device for in-home diagnosis of asthma

Guy Satat, Krithika Ramchander, Ramesh Raskar Engineering in Medicine and Biology Society (EMBC), 2016 IEEE 38th Annual International Conference, Pages 4375-4378

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Remote Real-Time Physiological Measurement and Visualization

Otkrist Gupta, Daniel McDuff, Ramesh Raskar CVPR 2016

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Computational Laser Speckle Contrast Imaging in Endoscopic System

Guy Satat, Barmak Heshmat, Tristan Swedish, and Ramesh Raskar Imaging and Applied Optics 2016, OSA Technical Digest (online) (Optical Society of America, 2016), paper JT3A.29.

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Macroscopic Interferometry With Electrons, Instead of Photons

Achuta Kadambi, Jamie Schiel, Ramesh Raskar Imaging Systems and Applications, IW3F. 1

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Capturing the human body: from VR, consumer, to health applications

Hao Li, Lingyu Wei, Anshuman Das, Tristan Swedish, Pratik Shah, Ramesh Raskar ACM SIGGRAPH 2016 Courses, Page 7

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Sweep Distortion Removal from THz Images via Blind Demodulation

Alireza Aghasi, Barmak Heshmat, Albert Redo-Sanchez, Justin Romberg, Ramesh Raskar

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Remote Real-Time Physiological Measurement and Visualization

Otkrist Gupta, Daniel McDuff, Ramesh Raskar

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Tyndall Windows: Tunable Scattering of Disordered Solid–Liquid Matching Mixtures

Benedikt Groever, Barmak Heshmat, Ramesh Raskar ACS Photonics, Volume 3, Pages 930-935

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Advances in ultrafast optics and imaging applications

Guy Satat, Barmak Heshmat, Nikhil Naik, Albert Redo-Sanchez, and Ramesh Raskar Proc. SPIE 9835, Ultrafast Bandgap Photonics, 98350Q (May 13, 2016); doi:10.1117/12.2222438

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Open-Source, Ultra-Low-Cost Smartphone Attachment for Non-Mydriatic Fundus Photography-Open Indirect Ophthalmoscope

Devesh Jain, Tristan Swedish, Bailey Shen, David Y Kim, Shizuo Mukai, Ramesh Raskar Investigative Ophthalmology & Visual Science, Volume 57, Issue 12, Page 1685

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Shape from Mixed Polarization

Vage Taamazyan, Achuta Kadambi, Ramesh Raskar arXiv preprint arXiv:1605.02066

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Crowd-sourcing meets deep learning: A hybrid approach for retinal image annotation

Karin Roesch, George Leifman, Tristan Swedish, Dhruv Joshi, Vishal Gupta, Jay Chhablani, Ramesh Raskar Investigative Ophthalmology & Visual Science, Volume 57, Issue 12, Page 5965

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eyeSelfie 2.0: Display and Algorithm for Self Directed Bi-ocular Alignment for Fundus Photography

Tristan Swedish, Karin Roesch, Devesh Jain, Ramesh Raskar Investigative Ophthalmology & Visual Science, Volume 57, Issue 12, Page 5968

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Cities are physical too: Using computer vision to measure the quality and impact of urban appearance

Nikhil Naik, Ramesh Raskar, César A Hidalgo The American Economic Review, Volume 106, Issue 5, Pages 128-132

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Occluded imaging with time-of-flight sensors

Achuta Kadambi, Hang Zhao, Boxin Shi, Ramesh Raskar ACM Transactions on Graphics (ToG), Vol 35, Issue 2, Page 15

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Occluded Imaging with Time of Flight Sensors

Achuta Kadambi, Hang Zhao, Boxin Shi, Ramesh Raskar

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Tensor low-rank and sparse light field photography

Mahdad Hosseini Kamal, Barmak Heshmat, Ramesh Raskar, Pierre Vandergheynst, Gordon Wetzstein Computer Vision and Image Understanding, Volume 145, Pages 172-181

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3D optical imagery for motion compensation in a limb ultrasound system

Bryan J Ranger, Micha Feigin, Xiang Zhang, Al Mireault, Ramesh Raskar, Hugh M Herr, Brian W Anthony SPIE Medical Imaging

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Multi-velocity neural networks for gesture recognition in videos

Otkrist Gupta, Dan Raviv, Ramesh Raskar Cornell University Library arXiv:1603.06829

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Multi-velocity neural networks for gesture recognition in videos

Otkrist Gupta, Dan Raviv, Ramesh Raskar

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Volume estimation of tonsil phantoms using an oral camera with 3D imaging

Anshuman J. Das, Tulio A. Valdez, Jose Arbouin Vargas, Punyapat Saksupapchon, Pushyami Rachapudi, Zhifei Ge, Julio C. Estrada, Ramesh Raskar

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Deep video gesture recognition using illumination invariants

Otkrist Gupta, Dan Raviv, Ramesh Raskar

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Deep video gesture recognition using illumination invariants

Otkrist Gupta, Dan Raviv, Ramesh Raskar Cornell University Library arXiv:1603.06531

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Conservation of a room: A treatment proposal for Mark Rothko's Harvard Murals 2016

Jens Stenger, Narayan Khandekar, Ramesh Raskar, Santiago Cuellar, Ankit Mohan, Rudolf Gschwind Studies in Conservation

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A purely solid-state device for rapid reconstruction of 3D models of the anterior segment of the eye with no moving parts

Pushyami Rachapudi, Shantanu Sinha, Albert Redo-Sanchez, Ramesh Raskar Investigative Ophthalmology & Visual Science, Volume 57, Issue 12, Page 1908

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A Smartphone attachment for slit lamp-like imaging of the anterior segment of the eye

Shantanu Sinha, Ramesh Raskar Investigative Ophthalmology & Visual Science, Volume 57, Issue 12, Page 1686

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Computational Laser Speckle Contrast Imaging in Endoscopic System

Guy Satat, Barmak Heshmat, Tristan Swedish, Ramesh Raskar

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Blind and reference-free fluorescence lifetime estimation via consumer time-of-flight sensors

A. Bhandari, C. Barsi, R. Raskar

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RFlow: User Interaction Beyond Walls

Hisham Bedri, Otkrist Gupta, Micha Feign, Andrew Temme, Gregory Charvat, Ramesh Raskar

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Time-of-Flight Microwave Camera

Gregory Charvat, Andrew Temme, Micha Feign, Ramesh Raskar

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Leveraging the Crowd for Annotation of Retinal Images

G. Leifman, T. Swedish, K. Roesch, R. Raskar

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Polarized 3D

Achuta Kadambi, Vage Taamazyan, Boxin Shi, Ramesh Raskar

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eyeSelfie: Self Directed Eye Alignment using Reciprocal Eye Box Imaging

T. Swedish, K. Roesch, I.K. Lee, K. Rastogi, S. Bernstein, R. Raskar

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Modeling “wiggling” as a multi-path interference problem in AMCW ToF imaging

Feigin M., Whyte R., Bhandari A., Dorington A., Raskar R

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A Light Transport Model for Mitigating Multipath Interference in Time-of-flight Sensors

Nikhil Naik, Achuta Kadambi, Christoph Rhemann, Shahram Izadi, Ramesh Raskar, Sing Bing Kang

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Inverse problems in time-of-flight imaging: theory, algorithms and applications

Bhandari, A. "Inverse problems in time-of-flight imaging : theory, algorithms and applications"

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Imaging through scattering

Satat, G. "Imaging through scattering"

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Unbound HDR

Hang Zhao, Boxin Shi, Christy Cull, Sai-Kit Yeung, Ramesh Raskar

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Super-Resolution in Phase Space

Ayush Bhandari, Yonina Eldar, Ramesh Raskar

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SpecTrans: Versatile Material Classification for Interaction with Textureless, Specular and Transparent Surfaces

Munehiko Sato, Shigeo Yoshida, Alex Olwal, Boxin Shi, Atsushi Hiyama, Tomohiro Tanikawa Michitaka Hirose, Ramesh Raskar

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Resolving Multipath Interference in Kinect: An Inverse Problem Approach

Feigin M., Bhandari A., Izadi S., Rhemann C., Schmidt M., Raskar R.

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Tympanic Membrane

Anshuman J. Das, Julio C. Estrada, Zhifei Ge, Sara Dolcetti, Deborah Chen, Ramesh Raskar

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Single-photon sensitive light-in-flight imaging

G. Gariepy, N. Krstaji, R. Henderson, C. Li, R. R. Thomson, G. S. Buller, B. Heshmat, R. Raskar, J. Leach, D. Faccio

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Imaging through thick turbid medium using time-resolved measurement

Guy Satat, Dan Raviv, Barmak Heshmat, Ramesh Raskar

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Imaging through thick turbid medium using time-resolved measurement

G Satat, D Raviv, B Heshmat, R Raskar

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Resolving Multipath Interference in Kinect: An Inverse Problem Approach

Ayush Bhandari, Micha Feigin, Shahram Izadi, Christoph Rhemann, Mirko Schmidt, Ramesh Raskar

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Optical design and characterization of an advanced computational imaging system

Hamilton Shepard, Christy Fernandez-Cull, Hang Zhao, Boxin Shi, Christopher Barsi, Ramesh Raskar

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Pose estimation using time-resolved inversion of diffuse light

Dan Raviv, Christopher Barsi, Nikhil Naik, Micha Feigin, Ramesh Raskar

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Seeing around corners with a mobile phone?: synthetic aperture audio imagingHisham Bedri, Micha Feigin, Michael Everett, Ivan Filho, Gregory Charvat, Ramesh Raskar

Hisham Bedri, Micha Feigin, Michael Everett, Ivan Filho, Gregory Charvat, Ramesh Raskar

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Attenuation-corrected fluorescence spectra unmixing for spectroscopy and microscopy

H. Ikoma, B. Heshmat, G. Wetzstein, R. Raskar

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Coded Time-of-Flight Imaging for Calibration Free Fluorescence Lifetime Estimation

Ayush Bhandari, Christopher Barsi, Refael Whyte, Achuta Kadambi, Anshuman J Das, Adrian Dorrington, Ramesh Raskar