The Computational Optics Group University of Wisconsin - Madison


The Computational Optics Group develops computational imaging systems for applications in biomedical imaging and remote sensing.

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How to contact us

Email enquiries should be sent to the group PI, Andreas Velten, at velten [at] You can find his other contact information in the BMI and ECE faculty webpages, or his personal webpage.


March. 31, 2020

Is Visualizing Light Waves Possible? Click here for more information.

Aug. 13, 2019

Mohit Gupta (CS) and Andreas Velten (BMI) finalists for 2019 AutoSens Award. Click here for more information.

Aug. 5, 2019

Nature paper is online! Click here for more information.

Jun. 25, 2018

Azer Reza gave a talk on "Imaging with Phasor Fields for Non-Line-of Sight Applications" at the 2018 OSA COSI (Orlando, FL).

Our news

New Publications


Atul Ingle, Trevor Seets, Mauro Buttafava, Shantanu Gupta, Alberto Tosi, Mohit Gupta, Andreas Velten, "Passive Inter-Photon Imaging ", in CVPR , 2021

Trevor Seets, Atul Ingle, Martin Laurenzis, Andreas Velten, "Motion Adaptive Deblurring With Single-Photon Cameras ", in WACV , 2021

Fabian Wagner, Florian Schiffers, Florian Willomitzer, Oliver Cossairt, Andreas Velten, "Intensity interferometry-based 3D imaging", in Optics Express , vol. 29, Iss.5, March 1, 2021


Ji Hyun Nam , Andreas Velten, "Super-Resolution Remote Imaging Using Time Encoded Remote Apertures "", MPDI Applied Sciences 2020, 10, 10.

Marco Renna, Ji Hyun Nam , Mauro Buttafava, Federica Villa, Andreas Velten, Alberto Tosi, "Fast-Gated 16 × 1 SPAD Array for Non-Line-of-Sight Imaging Applications "", MPDI Instruments 2020, 4, 14.

Xiaochun Liu,Sebastian Bauer, Andreas Velten, "Phasor Field Diffraction Based Reconstruction for Fast Non-Line-of-Sight Imaging Systems "", Nature Communications, April 2020

Xiaochun Liu, Andreas Velten, "The role of Wigner Distribution Function in Non-Line-of-Sight Imaging"", in ICCP 2020

Marco La Manna, Ji Hyun Nam, Syed Azer Reza,Andreas Velten, "Non-line-of-sight imaging using dynamic relay surfaces", in Optics Express , vol. 28, pp. 5331-5339, 2020

Ibón Guillén, Xiaochun Liu, Andreas Velten, Diego Gutierrez, Adrian Jarabo, "On the Effect of Reflectance on Phasor Field Non-Line-of-Sight imaging", in ICASSP 2020 , May 2020

Our Publications