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Siddharth Somasundaram
I am a PhD student at MIT Media Lab in Cambridge, MA working with Prof. Ramesh Raskar in the Camera Culture group. My research is currently supported by the NSF Graduate Research Fellowship.
I previously graduated from UCLA Electrical Engineering in 2021, where I worked with Prof. Diana Huffaker on semiconductor nanowire photodetectors and Prof. Achuta Kadambi on computational camera design.
Email  / 
CV  / 
Google Scholar  / 
Twitter  / 
Github
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Research
My goal is to enable new vision capabilities by designing sensing systems that perceive the world differently from the human eye. My current interests are in single-photon and time-of-flight imaging. My research has covered applications in 3D vision, low-light, high-speed, and non-line-of-sight imaging. Selected papers are highlighted.
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Imaging Hidden Objects with Consumer LiDAR using Motion-Induced Aperture Sampling
Siddharth Somasundaram, Aaron Young, Akshat Dave, Adithya Pediredla, Ramesh Raskar
Under Review
[project page]
[code]
Practical non-line-of-sight imaging using off-the-shelf consumer LiDAR hardware.
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Shoot-Bounce-3D: Single-Shot Occlusion-Aware 3D from Lidar by Decomposing Two-Bounce Light
Tzofi Klinghoffer, Siddharth Somasundaram*, Xiaoyu Xiang*, Yuchen Fan, Christian Richardt, Akshat Dave, Ramesh Raskar, Rakesh Ranjan
SIGGRAPH Asia 2025 (Conference Track)
[project page]
[paper]
Data-driven shape and material recovery under complex time-resolved light transport.
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Event Cameras Meet SPADs for High-Speed, Low-Bandwidth Imaging
Manasi Muglikar, Siddharth Somasundaram, Akshat Dave, Edoardo Charbon, Ramesh Raskar, Davide Scaramuzza
IEEE TPAMI 2025
[paper]
Sensor fusion approach for high-speed, low-light imaging.
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Blurred LiDAR for Sharper 3D: Robust Handheld 3D Scanning with Diffuse LiDAR and RGB
Nikhil Behari, Aaron Young, Siddharth Somasundaram, Tzofi Klinghoffer, Akshat Dave, Ramesh Raskar
CVPR 2025   (Highlight)
[project page]
[video]
[code]
[data]
[paper]
Sensor fusion approach for 3D reconstruction of textureless surfaces in low-light.
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Handheld Mapping of Specular Surfaces using Consumer-Grade Flash LiDAR
Tsung-Han Lin, Connor Henley, Siddharth Somasundaram, Akshat Dave, Moshe Laifenfeld, Ramesh Raskar
ICCP 2024
[project page]
[paper]
Mapping specular surfaces using natural handheld motion of consumer-gradeLiDAR.
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PlatoNeRF: 3D Reconstruction in Plato's Cave via Single-View Two-Bounce Lidar
Tzofi Klinghoffer, Xiaoyu Xiang*, Siddharth Somasundaram*, Yuchen Fan, Christian Richardt, Ramesh Raskar, Rakesh Ranjan
CVPR 2024   (Oral ~0.8% Acceptance)
[project page]
[video]
[code]
[data]
[paper]
Single-view occlusion-aware 3D reconstruction using two-bounce LiDAR.
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Role of Transients in Two-Bounce Non-Line-of-Sight Imaging
Siddharth Somasundaram, Akshat Dave, Connor Henley, Ashok Veeraraghavan, Ramesh Raskar
CVPR 2023
[project page]
[video]
[code]
[paper]
LiDAR transients can reduce number of measurements needed for two-bounce non-line-of-sight imaging.
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Detection and Mapping of Specular Surfaces using Multibounce LiDAR Returns
Connor Henley, Siddharth Somasundaram, Joseph Hollmann, Ramesh Raskar
Optics Express 2023
[project page]
[code]
[paper]
Detect and map specular surfaces using angle-of-arrival and time-of-flight of light.
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Physics vs. Learned Priors: Rethinking Camera Design for Task-Specific Camera and Algorithm Design
Tzofi Klinghoffer*, Siddharth Somasundaram*, Kushagra Tiwary*, Ramesh Raskar
ICCP 2022
[video]
[paper]
Review perspective on convergence of computational imaging, end-to-end optimization, and physics-based machine learning for imaging system design.
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The source code for this website was adapted from the website of Dr. Jon Barron.
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