Mountainous road vector data update method based on matching point pair grouping

Jiguang Dai; Litao Gong; Tengda Zhang; Zheng Ma

doi:10.1117/12.3032142

3 June 2024 Mountainous road vector data update method based on matching point pair grouping

Jiguang Dai, Litao Gong, Tengda Zhang, Zheng Ma

Proceedings Volume 13170, International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2024); 1317019 (2024) https://doi.org/10.1117/12.3032142
Event: Third International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2024), 2024, Wuhan, China

Abstract

The vector information of mountainous roads is great significance, including regional economics, emergency response, disaster management, among others. Nevertheless, there are irregular deformations in existing vector data, coupled with incomplete extraction results for mountainous roadways. These issues pose challenges in establishing a matching model between road extraction results and existing vector data, significantly reducing the efficiency of automated updates for the current vector data. Targeting roads as a distinct artificial feature and leveraging their topological connectivity, we propose a vector data updating method based on matching point pair grouping. Firstly, we employ the SDUNet model to extract mountainous road and utilize the Superglue model to match road binary images with vector binary images, resulting in sets of initial matching point pairs. Subsequently, we propose a road line extraction model that groups matching point pairs, eliminates misaligned pairs based on road topological connectivity, and establishes a mapping relationship between road lines and vector lines. Ultimately, through road line optimization and vector line optimization methods, we accomplish the automatic updating of vector data for mountainous roadways. Through a comprehensive analysis of over 2600 vector data, our method demonstrates substantial advantages in terms of both F1 and IoU compared to alternative methods.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jiguang Dai, Litao Gong, Tengda Zhang, and Zheng Ma "Mountainous road vector data update method based on matching point pair grouping", Proc. SPIE 13170, International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2024), 1317019 (3 June 2024); https://doi.org/10.1117/12.3032142

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KEYWORDS

Roads

Data modeling

Associative arrays

Image processing

Image segmentation

Raster graphics

Remote sensing

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