ShapeGaussian: Dynamic Gaussian Splatting for Monocular Videos with Non-Parametric Shape Regularization
scene reconstruction;Gaussian splatting;monocular video;shape prior;2d keypoints
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We present a novel method for dynamic scene reconstruction with non-parametric shape prior
@misc{
liang2024shapegaussian,
title={ShapeGaussian: Dynamic Gaussian Splatting for Monocular Videos with Non-Parametric Shape Regularization},
author={Zhenxiao Liang and Ning Zhang and Youbao Tang and Ruei-Sung Lin and Qixing Huang and Mei Han and Jing Xiao},
year={2024},
url={https://openreview.net/forum?id=d7Wb46YCpu}
}
In this paper, we tackle the challenging and underconstrained problem of reconstructing dynamic objects from monocular videos using a new method we term ShapeGaussian. This approach incorporates shape priors to enhance reconstruction accuracy and chance of success with few multi-view clues. Our methodology employs a two-phase process. In the first stage, we establish a temporally consistent deformation model across frames based on depth maps derived from a pre-trained estimator. The second stage obtains high-quality photo-realistic reconstruction by optimizing 3D Gaussian jointly with non-parametric shape models. Through rendering this combined model into radiance fields, we achieve high-quality, photo-realistic reconstructions of dynamically deforming objects that maintain 3D consistency across novel views. Our results demonstrate that significant improvement over previous methods on human dynamics, particularly in scenarios with scarce multi-view cues, highlighting the persistent challenges and varied approaches in recent research aimed at this inherently complex task.
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~Zhenxiao_Liang1 ~Ning_Zhang19 ~Youbao_Tang1 ~Ruei-Sung_Lin2 ~Qixing_Huang1 ~Mei_Han3 ~Jing_Xiao7
Zhenxiao Liang Ning Zhang Youbao Tang Ruei-Sung Lin Qixing Huang Mei Han Jing Xiao
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scene reconstruction Gaussian splatting monocular video shape prior 2d keypoints
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liang|shapegaussian_dynamic_gaussian_splatting_for_monocular_videos_with_nonparametric_shape_regularization
/pdf/4e8a54da08385d06ee59ace303d09ad1ae4b685d.pdf
applications to computer vision, audio, language, and other modalities
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ShapeGaussian: Dynamic Gaussian Splatting for Monocular Videos with Non-Parametric Shape Regularization
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