Researching | Overview of 3D point cloud super-resolution technology

Chinese Optics, Volume. 15, Issue 2, 210(2022)

Overview of 3D point cloud super-resolution technology

Yong BI¹, Ming-qi PAN^1,2, Shuo ZHANG¹, and Wei-nan GAO^1、*

Author Affiliations

¹Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

²University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(5)

Fig. 1. The architecture of PU-Net^[39]

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Fig. 2. Up-sampling model of MPU^[42]

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Fig. 3. The architecture of PU-GAN^[44]

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Fig. 4. The architecture of PU-GCN^[47]

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Table 1. RMSE comparison

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Table 1. RMSE comparison

局部/全局	数据集与倍数	Art			Moebius			Books
局部/全局	数据集与倍数	4×	8×		4×	8×		4×	8×
基于局部信息	边缘特征引导的JBUF^[26]	1.08	1.93		−	−		−	−
基于局部信息	改进的双边滤波器^[27]	1.93	2.45		1.63	2.06		1.47	1.81
基于局部信息	具有噪声感知的双边滤波^[28]	2.90	4.75		1.55	2.28		1.36	1.94
基于局部信息	基于引导图像的滤波器^[29]	2.40	3.32		2.03	2.60		1.82	2.31
基于全局优化	二阶TGV^[30]	1.29	2.06		0.90	1.38		0.75	1.16
基于全局优化	二阶TGV+边缘指示函数^[31]	1.21	1.93		0.81	1.32		0.65	1.07
基于全局优化	MRF^[33]	2.24	3.85		2.29	3.09		2.08	2.85
基于全局优化	改进的MRF^[34]	1.00	1.50		−	−		−	−
基于全局优化	改进的MRF^[35]	1.82	2.78		1.49	2.13		1.43	1.98

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Yong BI, Ming-qi PAN, Shuo ZHANG, Wei-nan GAO. Overview of 3D point cloud super-resolution technology[J]. Chinese Optics, 2022, 15(2): 210

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Paper Information

Category: Review

Received: Oct. 8, 2021

Accepted: Dec. 20, 2021

Published Online: Mar. 28, 2022

The Author Email:

DOI:10.37188/CO.2021-0176

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