opencv中文手册

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1、...目录·1梯度、边缘和角点o1.1Sobelo1.2Laplaceo1.3Cannyo1.4PreCornerDetecto1.5CornerEigenValsAndVecso1.6CornerMinEigenValo1.7CornerHarriso1.8FindCornerSubPixo1.9GoodFeaturesToTrack·2采样、插值和几何变换o2.1InitLineIteratoro2.2SampleLineo2.3GetRectSubPixo2.4GetQuadrangleSubPixo2.5Resiz

2、eo2.6WarpAffineo2.7GetAffineTransformo2.82DRotationMatrixo2.9WarpPerspectiveword可编辑...o2.10WarpPerspectiveQMatrixo2.11GetPerspectiveTransformo2.12Remapo2.13LogPolar·3形态学操作o3.1CreateStructuringElementExo3.2ReleaseStructuringElemento3.3Erodeo3.4Dilateo3.5MorphologyE

3、x·4滤波器与色彩空间变换o4.1Smootho4.2Filter2Do4.3CopyMakeBordero4.4Integralo4.5CvtColoro4.6Thresholdo4.7AdaptiveThreshold·5金字塔及其应用o5.1PyrDowno5.2PyrUp·6连接部件word可编辑...o6.1CvConnectedCompo6.2FloodFillo6.3FindContourso6.4StartFindContourso6.5FindNextContouro6.6SubstituteContou

4、ro6.7EndFindContourso6.8PyrSegmentationo6.9PyrMeanShiftFilteringo6.10Watershed·7图像与轮廓矩o7.1Momentso7.2GetSpatialMomento7.3GetCentralMomento7.4GetNormalizedCentralMomento7.5GetHuMoments·8特殊图像变换o8.1HoughLineso8.2HoughCircleso8.3DistTransformo8.4Inpaint·9直方图word可编辑...

5、o9.1CvHistogramo9.2CreateHisto9.3SetHistBinRangeso9.4ReleaseHisto9.5ClearHisto9.6MakeHistHeaderForArrayo9.7QueryHistValue_1Do9.8GetHistValue_1Do9.9GetMinMaxHistValueo9.10NormalizeHisto9.11ThreshHisto9.12CompareHisto9.13CopyHisto9.14CalcHisto9.15CalcBackProjecto9.1

6、6CalcBackProjectPatcho9.17CalcProbDensityo9.18EqualizeHist·10匹配o10.1MatchTemplateo10.2MatchShapesword可编辑...o10.3CalcEMD2梯度、边缘和角点Sobel使用扩展Sobel算子计算一阶、二阶、三阶或混合图像差分voidcvSobel(constCvArr*src,CvArr*dst,intxorder,intyorder,intaperture_size=3);src输入图像.dst输出图像.xorderx方向上

7、的差分阶数yordery方向上的差分阶数aperture_size扩展Sobel核的大小，必须是1,3,5或7。除了尺寸为1，其它情况下，aperture_size×aperture_size可分离内核将用来计算差分。对aperture_size=1的情况，使用3x1或1x3内核（不进行高斯平滑操作）。这里有一个特殊变量CV_SCHARR(=-1)，对应3x3Scharr滤波器，可以给出比3x3Sobel滤波更精确的结果。Scharr滤波器系数是：word可编辑...对x-方向或矩阵转置后对y-方向。函数cvSobel通过

8、对图像用相应的内核进行卷积操作来计算图像差分：由于Sobel算子结合了Gaussian平滑和微分，所以，其结果或多或少对噪声有一定的鲁棒性。通常情况，函数调用采用如下参数(xorder=1,yorder=0,aperture_size=3)或(xorder=0,yorder=1,aperture_siz