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Local Graph Point Attention Network in Point Cloud Segmentation
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DOI：10.1109/ACCESS.2023.3263852.png)
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摘要
En 中文
Exploiting global factors and embedding them directly into local graphs in point clouds are challenging due to dense points and irregular structure. To accomplish this goal, we propose a novel end-to-end trainable graph attention network that extracts global features in terms of local graphs. Our network presents general local graph, which obtains the most fundamental features based on point order positions in different neighborhoods. Central point attention is introduced to share weights with neighboring points to reinforce central point impacts. As a result, one point in the specific local graph can obtain global features from corresponding ones in other neighborhoods but still focus on its area by encoded central point weight sharing. Experimental results on benchmark point cloud segmentation datasets demonstrate our proposed network's competitive performance.
Keyword:
3D point cloud
central point
local graph
point attention
segmentation
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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