一种基于图卷积的网格生成方法

By designing a ChebConv-based residual network in the generator and using GAT in the discriminator, the information aggregation capability of the graph convolutional network is enhanced, solving the problem of lack of detail in the generator and achieving high-quality mesh generation.

CN115761180BActive Publication Date: 2026-07-17HUAIYIN INSTITUTE OF TECHNOLOGY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUAIYIN INSTITUTE OF TECHNOLOGY
Filing Date
2022-11-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing grid-based deep learning methods suffer from problems such as large memory consumption and lack of detail in the generated shapes when generating 3D shapes. Furthermore, the shallow structure of graph convolutional networks makes it difficult to effectively aggregate information from distant nodes.

Method used

A residual network based on ChebConv is used as the generator, and GAT is combined to enhance the information aggregation capability of the discriminator. A grid generation method is constructed through graph convolutional network to learn the different weights of surrounding nodes.

Benefits of technology

It improves the network's ability to aggregate information from more distant nodes, generates a grid model with more detailed features, and has significantly better training results than traditional methods.

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Abstract

本发明涉及图像处理技术领域,公开了一种基于图卷积的网格生成方法,获取COMA人脸数据集并对数据集进行预处理;构建网格生成网络模型,包括生成器和判别器,生成器为基于ChebConv卷积核搭建的残差网络,通过多个GBottleneck模块和上采样层,将低维向量映射为网格顶点特征信息;判别器采用图卷积网络和池化层,计算生成分布和真实分布的Wasserstein距离,对网格顶点特征信息进行特征提取;对生成器和判别器进行训练,得到网络参数并保存;将网络参数载入到生成器中,随后生成128维的正态分布的向量,同样将向量输入到生成器中;生成器通过多个图卷积层和上采样层,将随机向量映射为顶点特征张量;将生成的顶点特征张量与模板中的面信息结合,就得到生成的人头网格模型。
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