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Implicit Surface Representation Using Epanechnikov Mixture Regression

delete2024-01-01
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PRE
AI
B
Boning Liu
Z
Zerong Zheng *
Y
Yebin Liu *
DOI:10.1109/LSP.2024.3421350delete
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Abstract

Abstract

En 中文
We propose a regression-based implicit surface representation using mixture-of-experts based on the Epanechnikov kernel (EK), a mathematical framework that does not depend on neural networks. The modeling method is implemented using signed distance fields (SDF), modeled using the expectation-maximization algorithm to iterate an optimal set of parameters of Epanechnikov mixture regression. The proposed pipeline achieves better reconstruction than the SDF itself and can be upsampled through mixture-of-experts-based interpolation without extra parameters and processing. Furthermore, the proposed method can efficiently realize data compression compared to meshes and SDF. As for the kernel theory, EK demonstrates a more accurate surface recovery than the Gaussian ones, which expands the applications for Epanechnikov-related theories and also shows potential for theoretical substitution for Gaussian-based modeling and representation.
Keywords:
Three-dimensional displays
Shape
Solid modeling
Image reconstruction
Kernel
Optimization
Surface reconstruction
3D compression
3D reconstruction
3D shape representation
epanechnikov mixture regression
implicit surface representation

Journal

IEEE Signal Processing Magazine cover
IEEE Signal Processing Magazine
IF:
9.6
Papers:
1.1W
Citations:
1.7W

Organization

T
tsinghua university
Scholars:
11.8W
Papers: 10.0W
Citations: 137