复杂环境下的列车弓网接触点检测

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中图分类号：TP306 文献标志码：B 文章编号：1671-5276（2025）06-0313-05

Abstract：Anadaptiveimageenhancement methodbasedonthefusionof globalandlocalenhancementis proposedforthenonuniformilluminancecharacteristicofthemonitoringimageatthetunnel/stationentrance.WiththecombinationofYolov8 network，theefectivecontactpointdetectioofpantographandcatenaryisachieved.Histogramqualizationisusedforglobal enhancementandunsharpenedmask isappliedforlocalenhancement.Theproposedfusion framework isusedtofusetheglobal andlocalenhancedimages，andthefinalenhancedimagesareotained.Bymeansofafter-numerical-trainingYolov8network， theenhancedcontactpointdetectionforpantographandcatenaryisrealized.Theexperimentalresultscomparedshowthatthe proposed image enhancement method can efectivelycompress the dynamic range of thepantograph-catenary monitoring image， overcome the influence of uneven attntion，and improve the accuracy of contact point detection.

Keywords：pantographand catenary；uniformmonitoring image；image enhancement fusion；contact pointdetection

0 引言

轨道运输的快速发展对列车的安全平稳运行提出了越来越高的要求，而列车牵引供电系统是列车的重要组成部分，保障其可靠性和安全性对列车的稳定运行起到了至关重要的作用。（剩余6781字）