U2 Net-Plus and background removal-based PIFu-HD: human body reconstruction in complex background Online publication date: Tue, 31-Jan-2023
by Guorun Wang; Xudong Liu; Kuo-Yi Lin; Fuhjiun Hwang
International Journal of Internet Manufacturing and Services (IJIMS), Vol. 8, No. 4, 2022
Abstract: At present, algorithms for human motion capture and 3D human reconstruction are not perfect in some experiment, such as PIFu-HD. In addition, there are some reconstruction errors in practical application. We believe that there is background interference. In this paper, we provide the same action in different backgrounds for PIFu-HD model. We endow a single RSU block of U2 Net with multi-receptive field mechanism, and use it for dataset of salient object detection (SOD), achieving a significant improvement in accuracy. Then we do the comparative experiment which provides an opportunity of analysing the possible causes of errors in existing algorithms. Thus we propose a new method, a background removal based PIFu-HD. In the end, we use well-constructed dance images and videos for relevant modelling and comparison. We also present the well-constructed dataset and a formulated standard for Cha-Cha, which is of great importance to model-training.
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