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Paul-Edouard Sarlin Profile picture
Paul-Edouard Sarlin
@pesarlin
Researcher at @Google, 3D computer vision & machine learning. Previously PhD at ETH Zurich, intern at @Google, @Meta @RealityLabs, @Microsoft, @magicleap
Oct 12, 2021 • 5 tweets • 4 min read
🚨 This week at #ICCV2021, check out "Pixel-Perfect Structure-from-Motion with Featuremetric Refinement" w/ @PhilippCSE V. Larsson @mapo1
➡️ oral & *best student paper award*
Website: psarlin.com/pixsfm
Paper: arxiv.org/abs/2108.08291
Video:
thread ⬇️ We improve the accuracy of Structure-from-Motion (= camera poses & 3D points), making COLMAP subpixel accurate & closer to Lidar performance. This enables:
➡️ accurate visual localization of new images
➡️ mapping with fewer images - critical for large-scale crowd-sourced AR 😎
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