Prof. Jun Cheng Profile

Prof. Jun Cheng

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Proceedings Article | 16 February 2022 Paper

Divide-and-conquer for holistic and expressive 3D human body reconstruction from a single RGB image

Xiaoliang Ma, Baoyu Liu, Xunyu Liu, Lei Wang, Zhenghua Huang, Jun Cheng

Proceedings Volume 12083, 120831L (2022) https://doi.org/10.1117/12.2623417

KEYWORDS: 3D modeling, RGB color model, 3D image reconstruction, Neural networks

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Despite that 3D human body reconstruction from a single image has obtained rapid progress in recent years, most methods aim at the body without the hands and face. However, hand gestures and facial expressions are also important for delivering human intentions or emotions. This paper proposes a method for holistic 3D reconstruction of the human body from a single RGB image, including hands, body, and face. Our approach is based on the SMPL eXpressive (SMPL-X), a unified 3D parametric human body model of body, hands, and face. Since it is difficult to exactly regress the model's parameters of different body parts by a single framework, we use a divide-and-conquer strategy for the whole human body reconstruction. We exploit different deep neural networks to predict the hand, body, and head model's parameters, then integrate them into an entire 3D model to realize a holistic and expressive 3D human body reconstruction. Simulation results demonstrate that our method has obtained state-of-the-art performance with better facial expression.

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