Halcon探索学习 | 4 区域操作--回形针检测

 

 

 

 

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read_image(Image,'clip') *1.图像二值化 被选中的是1 没选中的是0   threshold (Image, Regions, 10, 84) *2.连通分割  connection (Regions, ConnectedRegions) count_obj (ConnectedRegions, Number) area_center (ConnectedRegions, Area, Row, Column)    select_shape (ConnectedRegions, SelectedRegions, 'column', 'and', 79.82, 1000)   count_obj (ConnectedRegions, Number)   *  形态学变换 边缘有阴影可以进行腐蚀 *3.占用面积   fill_up (SelectedRegions, RegionFillUp) *3.1.腐蚀 erosion_rectangle1 (RegionFillUp, RegionErosion, 1, 1) *3.2.膨胀 dilation_rectangle1 (RegionErosion, RegionDilation, 1, 1) count_obj (ConnectedRegions, Number)   *合并 union1 (RegionDilation, RegionUnion) union2 (RegionDilation, Regions, RegionUnion1)   *减操作 difference (RegionUnion1, SelectedRegions, RegionDifference) *相交 intersection (RegionDifference, RegionErosion, RegionIntersection) *补集   complement (ConnectedRegions, RegionComplement) *区域转换 求最小外接椭圆 select_obj (SelectedRegions, ObjectSelected, 1) shape_trans (ObjectSelected, RegionTrans, 'ellipse')