학술논문

KAMA: 3D Keypoint Aware Body Mesh Articulation
Document Type
Conference
Source
2021 International Conference on 3D Vision (3DV) 3DV 3D Vision (3DV), 2021 International Conference on. :689-699 Dec, 2021
Subject
Computing and Processing
Solid modeling
Analytical models
Three-dimensional displays
Shape
Annotations
Biological system modeling
Fitting
human pose and shape estimation
3D reconstruction
motion capture
Language
ISSN
2475-7888
Abstract
We present KAMA, a 3D Keypoint Aware Mesh Articulation approach that allows us to estimate a human body mesh from the positions of 3D body keypoints. To this end, we learn to estimate 3D positions of 26 body keypoints and propose an analytical solution to articulate a parametric body model, SMPL, via a set of straightforward geometric transformations. Since keypoint estimation directly relies on image clues, our approach offers significantly better alignment to image content when compared to state-of-the-art approaches. Our proposed approach does not require any paired mesh annotations and provides accurate mesh fittings through 3D keypoint regression only. Results on the challenging 3DPW and Human3.6M show that our approach yields state-of-the-art body mesh fittings.