第43卷第1期2023年3月光电子技术OPTOELECTRONICTECHNOLOGYVol.43No.1Mar.2023基于单红外光与单白光的双光谱测距方法∗金阳1∗∗,田军委1,于亚琳2,张震1,刘雪松3(1.西安工业大学机电工程学院,西安710021;2.西安工业大学光电工程学院,西安710021;3.内蒙古北方重工业集团有限公司,内蒙古包头014030)摘要:为了克服红外光与白光成像机理不同引起的图像信息无法同步、无法同时使用红白光双光谱系统实现测距的问题,以待测目标的边界作共性特征,采用红白光相机对同一目标的共性特征进行采集,将采集到的图像通过高斯算子进行平滑处理,再运用Laplace扩展算子进行边界特征检测,将不同距离下目标边界像素位置数据进行线性拟合并建立测距误差模型,从而生成边界特征匹配算法。研究结果表明边界特征匹配算法可以使红白光双目系统克服成像机理不同这一问题实现测距功能,测距范围可达到40m,最大相对误差是0.975%。关键词:双光谱;测距功能;边界特征匹配;测距误差模型中图分类号:TN219文献标志码:A文章编号:1005-488X(2023)01-0067-07DoubleSpectralRangingMethodBasedonSingleInfraredLightandSingleWhiteLightJINYang,TIANJunwei,YUYalin,ZHANGZhen,LIUXuesong(1.SchoolofMechanicalandElectricalEngineering,Xi'anUniversityofTechnology,Xi’an710021,CHN;2.SchoolofOpto-electronicEngineering,Xi'anUniversityofTechnology,Xi’an710021,CHN;3.InnerMongoliaNorthHeavyIndustryGroupCo.LTD,BaotouInnerMongolia014030,CHN)Abstract:Withdifferentimagingmechanismsofinfraredlightandvisiblelight,theimageinfor-mationcouldnotbesynchronized,andthedualspectralsystemofinfraredlightandvisiblelightcouldnotbeusedsimultaneouslytoachievetherangingfunction.Inthispaper,theboundaryofthetargettobemeasuredwasusedasacommonfeature,infraredandvisiblelightcameraswereusedtocollectthecommonfeaturesofthesametarget,thecollectedimagewassmoothedbytheGaussianoperator,andthentheLaplaceexpansionoperatorwasusedtodetecttheboundaryfeatures,linearfittingwasper-formedonthepixelpositiondataofthetargetboundaryatdifferentdistances,andarangingerrormod-elwasestablished,soastheboundaryfeaturematchingalgorithmwasgenerated.Theresearchresultsshowedthattheboundaryfeaturematchingalgorithmcouldenab...