Varun Sundar

Single-photon cameras can enable extreme 3D imaging (high speed and high precision in challenging SNR conditions)! Check out our paper here: openaccess.thecvf.com/content/CVPR20… Happy to chat more @CVPR in New Orleans later next week! #CVPR2022

I defended my PhD last week! The main focus of the talk was my recent work on fast sketching on GPUs via co-design, FlashSketch (arxiv.org/abs/2602.06071, ICML 2026 Spotlight). Recording: youtube.com/watch?v=9voMsL… Step through the animated slides: eigentales.com/talks/flashske…

You can find me this afternoon at poster board #7, exhibit hall 1!

Paper: wisionlab.com/wp-content/upl… #ICCV2025

Website: wisionlab.com/project/quanta… Code: github.com/wision-lab/qua…

I’m attending ICCV 2025 in Honolulu, Hawaii 🌴🏄! Will be presenting our work, “Quanta Neural Networks”, at the workshop on computer vision with single-photon cameras (today!), and at Tuesday afternoon’s poster session (Exhibit Hall I, poster #468).

@ukmlv Welcome :)

Friends, I have a major update! After 8 wonderful years at WashU ESE/CSE, my team and I will be moving to UW-Madison ECE. I’m excited to collaborate with amazing new colleagues at UW, and will truly miss WashU and St. Louis—places where I’ve built many great memories. 🦡❤️

At #ECCV2024, we presented Minimalist Vision with Freeform Pixels, a new vision paradigm that uses a small number of freeform pixels to solve lightweight vision tasks. We are honored to have received the Best Paper Award! Check out the project here: cave.cs.columbia.edu/projects/categ…

Don't have the right camera for the job? No Problem here is SoDaCam. It provides the functionality of numerous imaging systems including: exposure bracketing, flutter shutter cameras, video compressive systems, event cameras, and even cameras that move during exposure. Completely software based and needs no extra hardware! by @varun19299 and team from @UWMadison SoDaCam provides reinterpretable cameras at the granularity of photons, from photon-cubes acquired by single-photon devices. Photon-cubes represent the spatio-temporal detections of photons as a sequence of binary frames, at frame rates as high as 100 kHz. Simple transformations of the photon-cube, or photon-cube projections. Paper: SoDaCam: Software-defined Cameras via Single-Photon Imaging Link: arxiv.org/abs/2309.00066 Project: wisionlab.com/project/sodacam #Vision #camera #slowmotion #eventcam #editing

Our paper, "SoDaCam: Software-defined Cameras via Single-Photon Imaging", has been accepted as an oral at #ICCV2023 :) Paper thread and arXiv version to follow soon!

Want to learn how to turn objects into cameras? Come to our #CVPR2023 poster THU-PM-016 presented by @NikhilBehari and @tklinghoffer CVPR link: cvpr2023.thecvf.com/virtual/2023/p… Project page: ktiwary2.github.io/objectsascam/

@ICCVConference @Zi_Yuan_Hu @CSProfKGD How about a little vspacing in the title command? Is this acceptable?

@Zi_Yuan_Hu @CSProfKGD “This is not advised but will be tolerated.” - Program Chairs

My office view for today’s #ICCV2023 rebuttal marathon.

We’ll be presenting virtually at 2pm today (Central Time), floor 5 poster 7 on gatherly.

#CVPR2022 What if a camera could *see* the tiny (microscopic) surface vibrations of musical instruments as a musician plays them? Or a chips bag's vibrations caused by a person speaking in the room? Our new @CVPR (Oral) paper has the answers! youtu.be/_pq0d1oxtA0 1/4

Joint work with amazing collaborators and mentors: Sizhuo Ma, Aswin Sankaranarayanan and Mohit Gupta.

My first paper as a PhD student @WisconsinCS :)

Single-photon cameras can enable extreme 3D imaging (high speed and high precision in challenging SNR conditions)! Check out our paper here: openaccess.thecvf.com/content/CVPR20… Happy to chat more @CVPR in New Orleans later next week! #CVPR2022

@4ierplane Hi, I’d like to attend your talk!

Most data is processed by algorithms, but compressors (eg JPEG) are for human eyes. 🤓Our fix: formalize lossy compression that ensures perfect downstream predictions 🔥1000x gains vs JPEG on ImageNet🔥 arxiv.org/abs/2106.10800 w. Ben Bloem-Reddy @karen_ullrich @cjmaddison 1/9

🎉 Reproducibility Reports are LIVE! Papers now link to reproducibility reports. Alongside code, this is a new signal for how reproducible a paper's findings are. Thanks to RC2020 participants, reviewers and ACs for their hard work! Example: paperswithcode.com/paper/training…