GERA: Geometric Embedding for Efficient Point Registration Analysis

Fuente: arXiv
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Autori principali: Li, Geng, Cao, Haozhi, Liu, Mingyang, Yuan, Shenghai, Yang, Jianfei
Natura: Preprint
Pubblicazione: 2024
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author Li, Geng
Cao, Haozhi
Liu, Mingyang
Yuan, Shenghai
Yang, Jianfei
author_facet Li, Geng
Cao, Haozhi
Liu, Mingyang
Yuan, Shenghai
Yang, Jianfei
contents Point cloud registration aims to provide estimated transformations to align point clouds, which plays a crucial role in pose estimation of various navigation systems, such as surgical guidance systems and autonomous vehicles. Despite the impressive performance of recent models on benchmark datasets, many rely on complex modules like KPConv and Transformers, which impose significant computational and memory demands. These requirements hinder their practical application, particularly in resource-constrained environments such as mobile robotics. In this paper, we propose a novel point cloud registration network that leverages a pure MLP architecture, constructing geometric information offline. This approach eliminates the computational and memory burdens associated with traditional complex feature extractors and significantly reduces inference time and resource consumption. Our method is the first to replace 3D coordinate inputs with offline-constructed geometric encoding, improving generalization and stability, as demonstrated by Maximum Mean Discrepancy (MMD) comparisons. This efficient and accurate geometric representation marks a significant advancement in point cloud analysis, particularly for applications requiring fast and reliability.
format Preprint
id arxiv_https___arxiv_org_abs_2410_00589
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle GERA: Geometric Embedding for Efficient Point Registration Analysis
Li, Geng
Cao, Haozhi
Liu, Mingyang
Yuan, Shenghai
Yang, Jianfei
Computer Vision and Pattern Recognition
Artificial Intelligence
Point cloud registration aims to provide estimated transformations to align point clouds, which plays a crucial role in pose estimation of various navigation systems, such as surgical guidance systems and autonomous vehicles. Despite the impressive performance of recent models on benchmark datasets, many rely on complex modules like KPConv and Transformers, which impose significant computational and memory demands. These requirements hinder their practical application, particularly in resource-constrained environments such as mobile robotics. In this paper, we propose a novel point cloud registration network that leverages a pure MLP architecture, constructing geometric information offline. This approach eliminates the computational and memory burdens associated with traditional complex feature extractors and significantly reduces inference time and resource consumption. Our method is the first to replace 3D coordinate inputs with offline-constructed geometric encoding, improving generalization and stability, as demonstrated by Maximum Mean Discrepancy (MMD) comparisons. This efficient and accurate geometric representation marks a significant advancement in point cloud analysis, particularly for applications requiring fast and reliability.
title GERA: Geometric Embedding for Efficient Point Registration Analysis
topic Computer Vision and Pattern Recognition
Artificial Intelligence
url https://arxiv.org/abs/2410.00589