基于相位测量偏折术的镜面物体三维测量
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摘要
基于相位测量偏折术,构建了一个由LED平板显示器、被测镜面物体和CCD摄像机组成的测量系统。提出一种一般几何设置下测量几何模型及其系统的标定方法。该方法对设备要求低,灵活度、精度较高。对凹面镜的初步实验结果证明了该方法的可行性。
The phase measuring deflection is used as a basic technical principle,a measurement system composed of an LED plate display,a measured mirror object and a CCD camera is constructed.The geometric and physical model for general geometric settings and the corresponding calibration method is proposed,which has low equipment,high flexibility and accuracy.The preliminary experimental results of concave mirror demonstrate the feasibility of this method.
The phase measuring deflection is used as a basic technical principle,a measurement system composed of an LED plate display,a measured mirror object and a CCD camera is constructed.The geometric and physical model for general geometric settings and the corresponding calibration method is proposed,which has low equipment,high flexibility and accuracy.The preliminary experimental results of concave mirror demonstrate the feasibility of this method.
引文
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[2]Ren H Y,Gao F,Jiang X Q.Iterative optimizationcalibration method for stereo deflectometry[J].Optics Express,2015,23(17):22060-22068.
[3]Ettl S,Kaminski J,Knauer M C,et al.Shapereconstruction from gradient data[J]. AppliedOptics,2008,47(12):2091-2097.
[4]Richter C,Kurz M,Knauer M,et al.Machine-integrated measurement of specular free-formedsurfaces using phase-measuring deflectometry[C]∥International Conference of the European Society forPrecision Engineering and Nanotechnology,2009:90-93.
[5]Liu Y,Huang S J,Zhang Z H,et al.Full-field 3Dshape measurement of discontinuous specular objectsby direct phase measuring deflectometry[J].Scientific Reports,2017,7:10293.
[6]Zhang Z H,Wang Y M,Huang S J,et al.Three-dimensional shape measurements of specular objectsusing phase-measuring deflectometry[J].Sensors,2017,17(12):2835.
[7]Li C,Zhang X,Tu D W,et al.Deflectometrymeasurement method of single-camera monitoring[J].Acta Optica Sinica,2017,37(10):1012007.李晨,张旭,屠大维,等.单相机监控偏折术测量方法[J].光学学报,2017,37(10):1012007.
[8]Ding S W,Zhang X H,Yu Q F,et al.Overview ofnon-contact 3Dreconstruction measurement methods[J].Laser &Optoelectronics Progress,2017,54(7):070003.丁少闻,张小虎,于起峰,等.非接触式三维重建测量方法综述[J].激光与光电子学进展,2017,54(7):070003.
[9]Liu Y K,Su X Y,Wu Q Y.Wavefront measurementfor transparent object by active deflectometry[J].Chinese Journal of Lasers,2007,34(4):515-518.刘元坤,苏显渝,吴庆阳.基于主动条纹偏折术的透明相位物体波前测量方法[J].中国激光,2007,34(4):515-518.
[10]Guo H W, Feng P, Tao T. Specular surfacemeasurement by using least squares light trackingtechnique[J].Optics and Lasers in Engineering,2010,48(2):166-171.
[11]Zhao W C,Su X Y,Zhang Q C,et al.Ray tracingand wavefront reconstruction based on structured-light imaging[J].Acta Optica Sinica,2009,29(7):1868-1871.赵文川,苏显渝,张启灿,等.基于结构光的光线追迹与波前重建方法[J].光学学报,2009,29(7):1868-1871.
[12]Zhao W C,Fan B,Wu F,et al.Testing of asphericsurface normal vector based on phase measuringdeflectometry[J].Acta Optica Sinica,2011,31(6):0612007.赵文川,范斌,伍凡,等.基于相位测量偏折术的非球面法线向量测量[J].光学学报,2011,31(6):0612007.
[13]Guo H W,Tao T.Specular surface measurement byusing a moving diffusive structured light source[J].Proceedings of SPIE,2007,6834:68343E.
[14]Wu J,Zhou Y,Yu H M,et al.Improved 3Ddepthimage estimation algorithm for visual camera[C]∥International Congress on Image and SignalProcessing,2009:5305324.
[15]Zhang Z Y.A flexible new technique for cameracalibration[J]. IEEE Transactions on PatternAnalysis and Machine Intelligence,2000,22(11):1330-1334.
[16]Gudmundsson S A,Aanaes H,Larsen R.Fusion ofstereo vision and time-of-flight imaging for improved3Destimation[J].International Journal of IntelligentSystems Technologies and Applications,2008,5(3/4):425-433.
[17]Yang Q X,Yang R G,Davis J,et al.Spatial-depthsuper resolution for range images[C]∥IEEEConference on Computer Vision and PatternRecognition,2007:383211.