Rectify and Align GPS Points to Parking Spots via Rank-1 Constraint

• URL: http://arxiv.org/abs/2510.13439v1
• Date: Wed, 15 Oct 2025 11:36:27 GMT
• Title: Rectify and Align GPS Points to Parking Spots via Rank-1 Constraint
• Authors: Jiaxing Deng, Junbiao Pang, Zhicheng Wang, Haitao Yu,
• Abstract summary: High-rise buildings tend to cause GPS points to drift from the actual locations of parking spots.<n>It is a non-trivial task to correct a few wrong GPS points from a large number of parking spots in an unsupervised approach.<n>We propose an unsupervised low-rank method to effectively rectify errors in GPS points and further align them to the parking spots in a unified framework.
• Score: 7.9112014094183145
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Parking spots are essential components, providing vital mobile resources for residents in a city. Accurate Global Positioning System (GPS) points of parking spots are the core data for subsequent applications,e.g., parking management, parking policy, and urban development. However, high-rise buildings tend to cause GPS points to drift from the actual locations of parking spots; besides, the standard lower-cost GPS equipment itself has a certain location error. Therefore, it is a non-trivial task to correct a few wrong GPS points from a large number of parking spots in an unsupervised approach. In this paper, motivated by the physical constraints of parking spots (i.e., parking spots are parallel to the sides of roads), we propose an unsupervised low-rank method to effectively rectify errors in GPS points and further align them to the parking spots in a unified framework. The proposed unconventional rectification and alignment method is simple and yet effective for any type of GPS point errors. Extensive experiments demonstrate the superiority of the proposed method to solve a practical problem. The data set and the code are publicly accessible at:https://github.com/pangjunbiao/ITS-Parking-spots-Dataset.

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