Education

University of Washington
Ph. D in Computer Science, advised by Steven M. Seitz and Ali Farhadi.
Supported by Samsung Scholarship 2015-2020 ($50,000/year for 5 years)
Fall 2015 - Spring 2022
University of Illinois at Urbana-Champaign
B.S. in Computer Science, advised by Derek Hoiem.
Fall 2009 - Spring 2013

Employment

Google
Research Scientist
May 2022 - Jan 2023
San Francisco, CA
Google
Research Intern on the Project Starline team. Worked on Nerfies and HyperNeRF.
Jun 2020 - Sep 2021
Seattle, WA
NVIDIA
Robotics Research Intern at the Seattle Robotics Lab. Worked on LatentFusion.
Jul 2019 - Nov 2019
Seattle, WA
Amazon
Applied Scientist Intern on the Amazon Go team. Worked on human activity detection.
Jul 2017 - Sep 2017
Seattle, WA
Ministry of National Defense, Cyber Command
Software Engineer (mandatory military service). Worked on network monitoring software.
Oct 2013 - Jul 2015
Seoul, Korea
Google
Software Engineering Intern. Create document conversion system for Google Cloud Print.
May 2013 - Aug 2013
Mountain View, CA
Qualcomm
Software Engineering Intern. Optimized performance of JGit, reducing push times from hours to seconds. Implemented multi-master support for Gerrit Code Review.
May 2012 - Aug 2012
Boulder, CO

Publications

ReconFusion: 3D Reconstruction with Diffusion Priors Using an multi-view image conditioned diffusion model to regularize a NeRF enabled few-view reconstruction.
arXiv, 2023
CamP: Camera Preconditioning for Neural Radiance Fields Preconditioning camera optimization during NeRF training significantly improves their ability to jointly recover the scene and camera parameters.
SIGGRAPH Asia, 2023
HyperNeRF: A Higher-Dimensional Representation for Topologically Varying Neural Radiance Fields By applying ideas from level set methods, we can represent topologically changing scenes with NeRFs.
SIGGRAPH Asia, 2021
FiG-NeRF: Figure Ground Neural Radiance Fields for 3D Object Category Modelling Given a lot of images of an object category, you can train a NeRF to render them from novel views and interpolate between different instances.
3DV, 2021
Nerfies: Deformable Neural Radiance Fields Learning deformation fields with a NeRF let's you reconstruct non-rigid scenes with high fidelity.
ICCV, 2021
LatentFusion: End-to-End Differentiable Reconstruction and Rendering for Unseen Object Pose Estimation By learning to predict geometry from images, you can do zero-shot pose estimation with a single network.
CVPR, 2020
PhotoShape: Photorealistic Materials for Large-Scale Shape Collections By pairing large collections of images, 3D models, and materials, you can create thousands of photorealistic 3D models fully automatically.
SIGGRAPH Asia, 2018