第5章：Resection intersection and triangulation

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1、Vocabularystudy1.imagespacecoordinate2.interiororientation3.rearnodalpoint4.exteriororientation5.equivalentverticalphotograph6.collinearityequation7.nonlinearity8.partialderivative9.rotationmatrix10.coplanarityconditionVocabularystudy1.imagespacecoordinate像空间坐标2.interiororien

2、tation内定向3.rearnodalpoint后节点4.exteriororientation外定向5.equivalentverticalphotograph等效竖直像片6.collinearityequation共线条件7.nonlinearity非线性8.partialderivative偏导数9.rotationmatrix旋转矩阵10.coplanaritycondition共面条件CChhaaptepterrFFiiveveRReseesecctitionon、、IInntteerrsesecctitioonnaandndTTrr

3、iiaanngguullaatitiononTTooppicics:s:5.1Introduction5.2Imagecoordinaterefinement5.3Resection5.4Single-raybackprojection5.5Intersection5.6Relativeorientation5.7Absoluteorientation5.8Blocktriangulation5.9Blocktriangulationwithself-calibration5.10Utilizationwithnavigationdata5.11

4、Numericalaspectsofbundleadjustment5.12Evaluationoftheblockadjustment§5.1IntroductionThebasicoperationsofphotogrammetryareresection,thedeterminationofthepositionandorientationofanimageinspace,andintersection,thecalculationoftheobjectspacecoordinatesofapointfromitscoordinatesin

5、twoormoreimages.Theseoperationarecombinedintriangulation,orblockadjustment,inwhichtheimageorientationparametersandthepointcoordinatesarecalculatedsimultaneously.§5.2Imagecoordinaterefinement（x，y）----->（X，Y，Z）iiqRefinementcontents:üComparatororscannercalibrationüFilmandplatend

6、eformationsüPrincipalpointdisplacementüLensdistortioncorrectionüAtmosphericrefractionüCurvatureoftheearth§5.2ImagecoordinaterefinementQues.from2007graduatestudent’sentranceexamination.2.（12分）在胶片航空摄影及其后续处理过程中有哪些因素会破坏摄影中心、像点和对应物点之间三点共线的严密性？在基于共线方程的计算过程中如何加以解决？a1(X-Xs)+b1(Y-Ys)+

7、c1(Z-Zs)üx-x+Dx=-f0ïa(X-X)+b(Y-Y)+c(Z-Z)ï3s3s3sýa(X-X)+b(Y-Y)+c(Z-Z)2s2s2sïy-y+Dy=-f0a(X-X)+b(Y-Y)+c(Z-Z)ï3s3s3sþ§5.2Imagecoordinaterefinement5.2.1ComparatororscannercalibrationQ:Whycomparatororscannercalibration?Instabilityofmovementandinaccuracyofmeasurementoccuralongtwoper

8、pendicularaxes,themeasuredcoordinateswillundergoanaffinedeformation.