第36卷第1期2023年1月传感技术学报CHINESEJOURNALOFSENSORSANDACTUATORSVol.36No.1Jan.2023项目来源:中央高校基本科研业务费专项资助项目(2017MS156)收稿日期:2022-01-11修改日期:2022-04-22RoadSmallTargetDetectionAlgorithmBasedonImprovedYOLOv5∗NIUWeihua∗,YINMiaomiao(Departmentofcomputerscience,NorthChinaElectricPowerUniversity,BaodingHebei071003,China)Abstract:Aimingattheproblemsoflowdetectionaccuracyofsmalltargets,misseddetectionandfalsedetectioninthedetectionprocess,animprovedYOLOv5algorithmforsmalltargetdetectioninroadscenesisproposed.Firstly,theConvFocusmoduleisde⁃signedintheYOLOv5model.Inthefeaturefusionpart,bilinearinterpolationup⁃samplingoperationisusedand5CBAMattentionmechanismmodulesareinsertedtoreducethelossofsmalltargetfeaturesandenhancethesemanticandlocationinformationofsmalltargets;Inaddition,asmalltargetdetectionlayerwithasizeof160×160isadded,whichusestherichsemanticandlocationinformationcontainedintheshallowfeaturelayertoaccuratelylocateandidentifysmalltargets.TheKITTIdatasetisusedintheexperiment,whichisprocessedanddevide...