作者
Yunqing Zhang, Xiaotong Zhang, Kunhua Liu, Yisheng Lv, Wei He, Long Chen
发表日期
2023/9/24
研讨会论文
2023 IEEE 26th International Conference on Intelligent Transportation Systems (ITSC)
页码范围
5279-5285
出版商
IEEE
简介
Point cloud completion is a critical task for intelligent vehicles in the Intelligent Transportation Systems (ITS). Due to the disordered nature of point clouds, current point-based point completion methods utilize max pooling operations and Convolutional Neural Networks (CNNs) with a convolution kernel size of 1 to extract point features. However, a network with a kernel size of 1 has a small receptive field and can only extract one point feature at a time; as a result, such a network struggles to precisely extract highly abstracted features. To address this issue, we propose a point cloud completion network with larger receptive fields, termed PLRF-Net, which is composed of two parts: a reconstruction network and a completion network. The reconstruction network focuses on repairing the structures of partial points and includes an offset-attention embedding module, a rearrangement module, several convolution layers with …
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