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Learned Vertex Descent: A New Direction for 3D Human Model Fitting. (arXiv:2205.06254v1 [cs.CV])
May 13, 2022, 1:10 a.m. | Enric Corona, Gerard Pons-Moll, Guillem Alenyà, Francesc Moreno-Noguer
cs.CV updates on arXiv.org arxiv.org
We propose a novel optimization-based paradigm for 3D human model fitting on
images and scans. In contrast to existing approaches that directly regress the
parameters of a low-dimensional statistical body model (e.g. SMPL) from input
images, we train an ensemble of per-vertex neural fields network. The network
predicts, in a distributed manner, the vertex descent direction towards the
ground truth, based on neural features extracted at the current vertex
projection. At inference, we employ this network, dubbed LVD, within a …
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