Human 3D keypoints via spatial uncertainty modeling

18 Dec 2020  ·  Francis Williams, Or Litany, Avneesh Sud, Kevin Swersky, Andrea Tagliasacchi ·

We introduce a technique for 3D human keypoint estimation that directly models the notion of spatial uncertainty of a keypoint. Our technique employs a principled approach to modelling spatial uncertainty inspired from techniques in robust statistics. Furthermore, our pipeline requires no 3D ground truth labels, relying instead on (possibly noisy) 2D image-level keypoints. Our method achieves near state-of-the-art performance on Human3.6m while being efficient to evaluate and straightforward to

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