The invention relates to the technical field of remote sensing and machine vision, and discloses an asynchronous road information extraction system for satellite images and a control method of the system. A road information extraction step comprises data pre-processing, model reasoning, reasoning result post-processing, road contour information vectorization and road center line information vectorization; and the asynchronous road information extraction system fuses a deep learning algorithm and an asynchronous calculation structure, realizes the rapid road information extraction, and comprises the following modules of a satellite image data pre-processing module; a road information extraction module; a model reasoning result post-processing module; a road contour vector extraction module; a road center line extraction module; a computing resource monitoring module; and an asynchronous pooling resource scheduling module. According to the system and the control method, different steps of a traditional road information extraction system are asynchronous, so that the average waiting time between the different steps is shortened, various resources of a computer are utilized more evenly and fully, and the road information with higher precision can be extracted quickly.

    本发明涉及遥感与机器视觉技术领域,且公开了一种针对卫星图像的异步道路信息提取系统及其控制方法,道路信息提取步骤包括数据预处理、模型推理、推理结果后处理、道路轮廓信息矢量化、道路中心线信息矢量化,异步道路信息提取系统融合了深度学习算法和异步计算结构,实现快速的道路信息提取,包括如下模块:卫星图像数据预处理模块;道路信息提取模块;模型推理结果后处理模块;道路轮廓矢量提取模块;道路中心线提取模块;计算资源监测模块;异步池化资源调度模块。该系统与控制方法,将传统道路信息提取系统的不同步骤异步化,使得不同步骤间的平均等待时长被缩短,更加均衡且充分地利用了计算机的各项资源,能快速提取更高精度的道路信息。


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    Title :

    Asynchronous road information extraction system for satellite images and control method thereof


    Additional title:

    一种针对卫星图像的异步道路信息提取系统及其控制方法


    Contributors:
    ZHANG CHUANG (author) / ZHENG WANFENG (author) / WU MING (author) / YAN HAOTIAN (author) / LI JIA'AO (author)

    Publication date :

    2021-10-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS




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