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- W4287668081 abstract "We consider the task of 3D joints location and orientation prediction from a monocular video with the skinned multi-person linear (SMPL) model. We first infer 2D joints locations with an off-the-shelf pose estimation algorithm. We use the SPIN algorithm and estimate initial predictions of body pose, shape and camera parameters from a deep regression neural network. We then adhere to the SMPLify algorithm which receives those initial parameters, and optimizes them so that inferred 3D joints from the SMPL model would fit the 2D joints locations. This algorithm involves a projection step of 3D joints to the 2D image plane. The conventional approach is to follow weak perspective assumptions which use ad-hoc focal length. Through experimentation on the 3D Poses in the Wild (3DPW) dataset, we show that using full perspective projection, with the correct camera center and an approximated focal length, provides favorable results. Our algorithm has resulted in a winning entry for the 3DPW Challenge, reaching first place in joints orientation accuracy." @default.
- W4287668081 created "2022-07-25" @default.
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- W4287668081 date "2020-09-14" @default.
- W4287668081 modified "2023-09-24" @default.
- W4287668081 title "Beyond Weak Perspective for Monocular 3D Human Pose Estimation" @default.
- W4287668081 doi "https://doi.org/10.48550/arxiv.2009.06549" @default.
- W4287668081 hasPublicationYear "2020" @default.
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