系统工程与电子技术 ›› 2026, Vol. 48 ›› Issue (4): 1112-1124.doi: 10.12305/j.issn.1001-506X.2026.04.02

• 电子技术 • 上一篇    

基于卷积神经网络的雾天道路能见度测量方法

孙景荣(), 张华, 陈哲哲, 赵方正   

  1. 西安电子科技大学空间科学与技术学院,陕西 西安 710126
  • 收稿日期:2025-02-18 修回日期:2025-06-11 出版日期:2026-01-20 发布日期:2026-01-20
  • 通讯作者: 张华 E-mail:jrsun@xidian.edu.cn
  • 作者简介:孙景荣(1975—),女,教授,硕士研究生导师,博士,主要研究方向为低照度图像处理与分析、信号检测与信息处理
    陈哲哲(1997—),男,硕士研究生,主要研究方向为图像处理、计算机视觉
    赵方正(2003—),男,硕士研究生,主要研究方向为图像处理
  • 基金资助:
    国家自然科学基金(62071363);陕西省自然科学基金(2025JC-YBMS-698);内蒙古自治区科技计划(2025YFHH0077)资助课题

Method for measuring road visibility in foggy condition based on convolutional neural network

Jingrong SUN(), Hua ZHANG, Zhezhe CHEN, Fangzheng ZHAO   

  1. School of Aerospace Science And Technology,Xidian University,Xi’an 710126,China
  • Received:2025-02-18 Revised:2025-06-11 Online:2026-01-20 Published:2026-01-20
  • Contact: Hua ZHANG E-mail:jrsun@xidian.edu.cn

摘要:

为改善雾天场景下的道路能见度,提高道路安全性和行车效率,通过构建基于道路监控图像的能见度检测及恢复方法,提出基于大气散射模型和卷积神经网络的能见度检测方法,实现对雾浓度的检测,进而对浓雾图像进行去雾处理,以达到对雾天道路监控图像清晰化增强的目的。通过自动特征提取和注意力机制模块,建立雾天光学图像特征与能见度之间的关系模型,改善能见度检测方法在复杂的高速道路场景下适用性差的问题。采用透射率特征像素与景深距离像素特征提取的策略,优化图像透射率与目标景深估计以提高道路能见度检测的精度。利用包含雾图的合成数据集进行训练,并采用高速监控拍摄的雾天实测图像进行测试,实现了对不同情况下雾浓度检测和评估,可用于智慧交通系统中的高速道路预警和提示。

关键词: 能见度检测, 卷积神经网络, 光学图像增强, 大气散射模型

Abstract:

In order to improve road visibility in foggy weather, enhance road safety and driving efficiency. This article proposes a visibility detection method based on atmospheric scattering model and convolutional neural network by constructing a visibility detection and restoration method based on road monitoring images, to achieve the detection of fog concentration. Furthermore, the foggy images are processed to remove fog and enhance the clarity of road monitoring images in foggy weather. By using automatic feature extraction and attention mechanism modules, a relationship model between foggy optical image features and visibility is established to improve the poor applicability of visibility detection methods in complex highway scenes; The strategy of using transmittance feature pixels and depth of field distance pixel feature extraction is adopted to optimize the estimation of image transmittance and target depth of field to improve the accuracy of road visibility detection. By using a synthetic dataset containing fog images for training and testing with actual foggy images captured by high-speed monitoring, fog concentration detection and evaluation under different conditions have been achieved, which can be used for highway warning and prompting in intelligent transportation systems.

Key words: visibility detection, convolutional neural network (CNN), optical image enhancement, atmospheric scattering model

中图分类号: