1 *一个矩形的轮廓
2 read_image (Pcb, 'E:/学习/Halcon/玩套路之边缘检测/玩套路之边缘检测/PCB/PCB.png')
3 rgb1_to_gray(Pcb, GrayImage)
4
5 *获取ROI
6 dev_set_draw('margin')
7 gen_rectangle1 (ROI_0, 4.475, 290.023, 153.725, 386.392)
8 reduce_domain(GrayImage, ROI_0, ImageReduced)
9
10 threshold (ImageReduced, Regions, 75, 255)
11
12 erosion_circle(Regions, RegionErosion, 3.5)
13 difference(Regions, RegionErosion, RegionDifference)
14
15 reduce_domain(ImageReduced, RegionDifference, ImageReduced1)
16 edges_sub_pix(ImageReduced1, Edges, 'canny', 1, 20, 40)
17
18 segment_contours_xld(Edges, ContoursSplit, 'lines_circles', 5, 4, 2)
19 count_obj(ContoursSplit, Number)
20 length_xld(ContoursSplit, Length)
21
22 dev_display(GrayImage)
23 *Row:=[]
24 *Column:=[]
25 for I:=1 to Number by 1
26 select_obj(ContoursSplit, ObjectSelected, I)
27 dev_set_color('red')
28 dev_display(ObjectSelected)
29 dev_set_color('coral')
30
31 if(Length[I-1]>40)
32 dev_display(ObjectSelected)
33 fit_line_contour_xld(ObjectSelected, 'tukey', -1, 0, 5, 2, RowBegin, ColBegin, RowEnd, ColEnd, Nr, Nc, Dist)
34 dev_set_color('green')
35 disp_line(3600, RowBegin, ColBegin, RowEnd, ColEnd)
36
37 endif
38 endfor
