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Thin On-Sensor Nanophotonic Array Cameras
Praneeth Chakravarthula, Jipeng Sun, Xiao Li, Chenyang Lei, Gene Chou, Mario Bijelic, Johannes Froesch, Arka Majumdar, Felix Heide
SIGGRAPH ASIA 2023
paper
Recovers images in broadband using a single flat metasurface optic. Compensates for residual aberrations with probabilistic deconvolution implemented using a conditional diffusion model.
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Diffusion-SDF: Conditional Generative Modeling of Signed Distance Functions
Gene Chou,
Yuval Bahat,
Felix Heide
ICCV 2023
paper / code / project page / teaser video
Performs diffusion on the latent space of neural SDFs while providing geometric guidance. Generates diverse meshes conditioned on partial point clouds, 2D images, and real-scanned, noisy point clouds.
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GenSDF: Two-Stage Learning of Generalizable Signed Distance Functions
Gene Chou,
Ilya Chugunov,
Felix Heide
NeurIPS 2022 (Featured)
paper / code / project page
Combines a semi-supervised approach with a self-supervised loss to reconstruct neural SDFs from raw input point clouds of over a hundred unseen object classes.
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