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ID:32365021
大小:1.28 MB
页数:5页
时间:2019-02-03
《双相机工业摄影测量系统测量性能测试方法研究》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、第42卷第5期中国测试Vol.42No.52016年5月CHINAMEASUREMENT&TESTMay,2016doi院10.11857/j.issn.1674-5124.2016.05.002双相机工业摄影测量系统测量性能测试方法研究1袁211黄桂平袁轩亚兵袁马彤彤(1.华北水利水电大学,河南郑州450045;2.辰维科技股份有限公司,河南郑州450001)摘要院双相机工业摄影测量系统的广泛应用使其测量性能越来越受到关注,如何准确合理地评价系统的测量性能,并制定相应检定规范是目前亟待解决的问题。针对双相机系统测量性能的测试问题提出一套系统的方法:首先对双相机系
2、统的摄影距离和基线长度等结构参数进行实验,并选择最佳参数进行系统的测量性能测试;然后对双相机的测量重复性、三维坐标测量准确度与长度测量准确度进行测评;最后通过以上3个评价指标对双相机系统测量性能进行总体分析与评价。该方法测得某型双相机的自身测量重复性为0.027mm,三维坐标测量准确度为0.060mm,长度测量准确度为0.062mm。据此推荐用测量重复性、三维坐标测量准确度、长度测量准确度3个指标对系统进行评价。关键词院双相机;工业摄影测量;测量重复性;坐标测量;长度测量文献标志码院A文章编号院1674-5124渊2016冤05-0006-05Studyonmea
3、surementperformancetestmethodofdualcameraindustrialphotogrammetrysystem1,211HUANGGuiping,XUANYabing,MATongtong(1.NorthChinaUniversityofWaterResourcesandElectricPower,Zhengzhou450045,China;2.ChenweiTechnologyCo.,Ltd.,Zhengzhou450001,China)Abstract:Themeasurementperformanceofdualcamerai
4、ndustrialphotogrammetrysystemhasattractedincreasinglywideattentions.Howtoevaluateitsmeasurementperformancepreciselyandrationallyandmakeacorrespondingverificationspecificationarecurrentproblemsdemandingpromptsolution.Asystematicmethodhasbeenproposedtotestthemeasurementperformanceofthed
5、ualcameraindustrialphotogrammetrysystem:Firstly,thestructuralparameterssuchasshootingdistanceandbaselinelengthwereanalyzedandthebestresultsamongthemchosentotestthemeasurementperformanceofthesystem.Secondly,themeasurementrepeatability,the3Dcoordinatemeasurementaccuracyandthelengthmeasu
6、rementaccuracyweretestedandevaluated.Thirdly,themeasurementperformancewasanalyzedandevaluatedthroughthethreeindicatorsaboveingeneral.Theexperimentalresultsshowthatthemeasurementrepeatabilityofthedualcamerais0.027mm,the3Dcoordinatemeasuringaccuracyis0.060mm,andthelengthmeasurementaccur
7、acyis0.062mm.Itisrecommendedthattheaccuracyofthesystemisevaluatedbythreeindexes,whicharethemeasurementrepeatability,the3Dcoordinatemeasurementaccuracy,andthelengthmeasurementaccuracy.Keywords:dualcamera;industrialphotogrammetry;repeatedmeasurementaccuracy;coordinatemeasurement;lengthm
8、easur
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