Ramesh Raskar

Camera Culture
Publication

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

Publication

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.

Publication

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

Publication

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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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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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

Publication

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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Occluded Imaging with Time of Flight Sensors

Achuta Kadambi, Hang Zhao, Boxin Shi, 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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Multi-velocity neural networks for gesture recognition in videos

Otkrist Gupta, Dan Raviv, Ramesh Raskar

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Deep video gesture recognition using illumination invariants

Otkrist Gupta, Dan Raviv, Ramesh Raskar

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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

Publication

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

Publication

Do People Shape Cities, or Do Cities Shape People? The Co-evolution of Physical, Social, and Economic Change in Five Major U.S. Cities

Nikhil Naik, Scott D. Kominers, Ramesh Raskar, Edward L. Glaeser, César A. Hidalgo

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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

Publication

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

Publication

Imaging through scattering

Satat, G. "Imaging through scattering"

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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"

Publication

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

G Satat, D Raviv, B Heshmat, R Raskar

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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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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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Towards BxDF Display Using Multilayer Diffraction

G. Ye, Sunny Jolly, V. Michael Bove, Jr., Q. Dai, R. Raskar, Gordon Wetzstein

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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

Publication

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

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StreetScore

Nikhil Naik, Jade Philipoom, Ramesh Raskar, Cesar Hidalgo

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Streetscore - Predicting the Perceived Safety of One Million Streetscapes

Nikhil Naik, Jade Philipoom, Ramesh Raskar, Cesar A. Hidalgo

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A Compressive Multi-Mode Superresolution Display

F Heide, J Gregson, G Wetzstein, R Raskar, W Heidrich

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Fluorescent Tags Behind Turbid Layers

Guy Satat, Barmak Heshmat, Christopher Barsi, Dan Raviv, Ou Chen, Moungi G. Bawendi, Ramesh Raskar

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Single-shot ultrafast imaging using parallax-free alignment with a tilted lenslet array

Barmak Heshmat, Guy Satat, Christopher Barsi, Ramesh Raskar

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Nonlinear Fluorescence Spectra Unmixing

Hayato Ikoma, Barmak Heshmat, Gordon Wetzstein, Ramesh Raskar

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Locating Fluorescence Lifetimes Behind Turbid Layers Non-Invasively Using Sparse, Time-Resolved Inversion

Guy Satat, Christopher Barsi, Barmak Heshmat, Dan Raviv, Ramesh Raskar

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Toward Accessible Evaluation of the Electrophysiology of Human Vision

Canham, A. "Toward Accessible Evaluation of the Electrophysiology of Human Vision"

Publication

Computational Microscopy for Sample Analysis

Ikoma, H. "Computational Microscopy for Sample Analysis"

Publication

Event-Centric Twitter Photo Summarization

Wen, C-L. "Event-Centric Twitter Photo Summarization"

Publication

Simultaneous whole-animal 3D imaging of neuronal activity using light-field microscopy

Prevedel, R.**, Yoon, Y.-G.**, Hoffman, M., Pak, N., Wetzstein, G., Kato, S., Schrodel, T., Raskar, R., Zimmer, M., Boyden, E. S.*, Vaziri, A. * (2014) Simultaneous whole-animal 3D imaging of neuronal activity using light-field microscopy, Nature Methods 11:727-730. (** equal contribution, * co-corresponding authors)

Publication

Sparse linear operator identification without sparse regularization? applications to mixed pixel problem in time-of-flight/range imaging

Ayush Bhandari, Achuta Kadambi, Ramesh Raskar

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Skin Perfusion Photography

Guy Satat, Christopher Barsi, Ramesh Raskar

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Estimating wide-angle, spatially varying reflectance using time-resolved inversion of backscattered light

N Naik, C Barsi, A Velten, R Raskar

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Resolving multipath interference in time-of-flight imaging via modulation frequency diversity and sparse regularization

A Bhandari, A Kadambi, R Whyte, C Barsi, M Feigin, A Dorrington, Ramesh Raskar

Publication

Resolving multipath interference in time-of-flight imaging via modulation frequency diversity and sparse regularization

Ayush Bhandari, Achuta Kadambi, Refael Whyte, Christopher Barsi, Micha Feigin, Adrian Dorrington, Ramesh Raskar

Publication

Spectral encoding enhances visual flexibility of surgical endoscopes

C Barsi, A Velten, M Lorrainy-Altoe, A Rehman, R Raskar

Publication

Ultra-fast Lensless Computational Imaging through 5D Frequency Analysis of Time-resolved Light Transport

D Wu, G Wetzstein, C Barsi, T Willwacher, Q Dai, R Raskar

Publication

Coded time of flight cameras: sparse deconvolution to address multipath interference and recover time profiles

A Kadambi, R Whyte, A Bhandari, L Streeter, C Barsi, A Dorrington, Ramesh Raskar

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Display adaptive 3D content remapping

B Masia, G Wetzstein, C Aliaga, R Raskar, D Gutierrez

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Tensor Photography: Exploring Space of 4D Modulations Inside Traditional Camera Designs

Marwah, K. "Tensor Photography: Exploring Space of 4D Modulations Inside Traditional Camera Designs"

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Focus 3D: compressive accommodation display

A Maimone, G Wetzstein, M Hirsch, D Lanman, R Raskar, H Fuchs

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Computational Schlieren Photography with Light Field Probes

G Wetzstein, W Heidrich, R Raskar

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Customizing time of flight modulation codes to resolve mixed pixels

A Kadambi, R Whyte, A Bhandari, L Streeter, C Barsi, A Dorrington, Ramesh Raskar

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Multifrequency time of flight in the context of transient renderings

A Bhandari, A Kadambi, R Whyte, L Streeter, C Barsi, A Dorrington, Ramesh Raskar

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Compressive light field photography using overcomplete dictionaries and optimized projections

K Marwah, G Wetzstein, Y Bando, R Raskar

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Compressive Light Field Photography using Overcomplete Dictionaries and Optimized Projections

K Marwah, G Wetzstein, Y Bando, R Raskar

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Femto-photography: Capturing and visualizing the propagation of light

Andreas Velten, Di Wu, Adrian Jarabo, Belen Masia, Christopher Barsi, Chinmaya Joshi, Everett Lawson, Moungi Bawendi, Diego Gutierrez, Ramesh Raskar

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Femto-Photography: Capturing and Visualizing the Propagation of Light

A Velten, D Wu, A Jarabo, B Masia, C Barsi, C Joshi, E Lawson, M Bawendi, D Gutierrez, R Raskar

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Adaptive image synthesis for compressive displays

F Heide, G Wetzstein, R Raskar, W Heidrich