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PCDM: Point Cloud Completion by Conditional Diffusion Model

delete2025-05-26
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OA
AI
C
Cheng Zhang *
Z
Zhiqiang Qi
W
Wenwen Yuan
W
Wanlong Qi
Z
Zhengzheng Yang
Z
Zhao-bing SU
DOI:10.1007/s11063-025-11767-5delete
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摘要

摘要

En 中文
在点云采集过程中,误差很容易引入数据集,导致后续分析产生偏差,因此点云补全分析中的关键步骤。本文介绍了一种条件扩散模型架构(PCDM)来解决点云补全问题。扩散模型在图像生成中已展现出显著成功,并最近开始应用于其他领域,显示出惊人的效果。通过利用扩散模型的强大生成能力,我们逐步从纯噪声数据中获得完整的点云。在去噪过程中,我们采用Local-Global Net(LoGNet)来融合全局和局部特征,指导模型生成点云。此外,为了在生成点云数据的完整性和局部细节之间取得平衡,我们引入了偏移注意力机制来从不完整点云中提取特征。在多个公开数据集上进行的实验表明,本文提出的点云补全方法优于以往的方法。
Keyword:
Deep learning
Computer vision
Point cloud completion
Diffusion model

期刊

Neural Processing Letters 封面图
Neural Processing Letters
IF:
2.8
论文数:
174
被引数:
5.5K

机构

B
basic department
学者数:
13
论文数: 8
被引数: 0
A
automotive engineering research institute
学者数:
24
论文数: 10
被引数: 0
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