Reconstruction of three-dimensional velocity vector maps from two-dimensional PIV data

D Pavlík; P Procházka; V Kopecky

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Reconstruction of three-dimensional velocity vector maps from two-dimensional PIV data

机译：从二维PIV数据重建三维速度矢量地图

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Inthispaperathree-dimensionalreconstructionofflowfieldinatunnelwiththeHumpprofileispresented.Thereconstructionisalwaysperformedforpairof2Dvectormapsobtainedby3DPIVwithtwocameraswhichrecordmeasurementareafromdifferentlocations.Three-dimensionalreconstructioncanbeobtainedinvariousways.Thispapersummarizestwo:thereconstructionbasedontheknowncorrespondencebetweenimages,andthereconstructionbasedontheknowledgeofintrinsicandextrinsicparametersofcameras.Thebothmethodscanbeusedinthecaseswhenitisimpossibletouseacalibrationpatternorwhenreconstructionbycommercialsoftwarefails...

机译：Inthispaperathree-dimensionalreconstructionofflowfieldinatunnelwiththeHumpprofileispresented.Thereconstructionisalwaysperformedforpairof2Dvectormapsobtainedby3DPIVwithtwocameraswhichrecordmeasurementareafromdifferentlocations.Three-dimensionalreconstructioncanbeobtainedinvariousways.Thispapersummarizestwo：thereconstructionbasedontheknowncorrespondencebetweenimages，andthereconstructionbasedontheknowledgeofintrinsicandextrinsicparametersofcameras.Thebothmethodscanbeusedinthecaseswhenitisimpossibletouseacalibrationpatternorwhenreconstructionbycommercialsoftwarefails ...

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《Journal of Physics: Conference Series》 |2016年第1期|共页
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D Pavlík; P Procházka; V Kopecky;
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中图分类物理学;
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Reconstruction of three-dimensional velocity vector maps from two-dimensional PIV data

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