方法1：

count_seconds (Seconds1)read_image (Image, '9_7750_f3d301de6764d94.jpg')get_image_size (Image, Width, Height)dev_open_window (0, 0, Width, Height, 'black', WindowHandle)dev_display (Image)rgb1_to_gray (Image, GrayImage)dev_display (GrayImage) threshold (GrayImage, Region, 75, 100)closing_circle (Region, RegionClosing, 5)gen_contour_region_xld (RegionClosing, Contours, 'border')segment_contours_xld (Contours, ContoursSplit, 'lines', 50, 10, 10) *擬合水平線select_contours_xld (ContoursSplit, SelectedContours0, 'direction', rad(-5), rad(5), rad(-0.5), rad(0.5))select_shape_xld (SelectedContours0, Stamps, 'row', 'and', 20, 35)length_xld (Stamps, Length0)tuple_max (Length0, Max0)gen_empty_obj (EmptyObject0)count_obj (SelectedContours0, Number0)for i := 1 to Number0 by 1select_obj (SelectedContours0, ObjectSelected, i)length_xld (ObjectSelected, Length0)if (Length0=Max0)concat_obj (EmptyObject0, ObjectSelected, EmptyObject0)endifendfor*擬合垂直線select_contours_xld (ContoursSplit, SelectedContours1, 'direction', rad(85), rad(95),rad(-0.5), rad(0.5)) length_xld (SelectedContours1, Length1)tuple_max (Length1, Max1)gen_empty_obj (EmptyObject1)count_obj (SelectedContours1, Number1) for j := 1 to Number1 by 1select_obj (SelectedContours1, ObjectSelected, j)length_xld (ObjectSelected, Length1)if (Length1=Max1)concat_obj (EmptyObject1, ObjectSelected, EmptyObject1)endifendfor fit_line_contour_xld (EmptyObject0, 'tukey', -1, 0, 5, 2, RowBegin0, ColBegin0, RowEnd0, ColEnd0, Nr0, Nc0, Dist0)gen_region_line(RegionLine0, RowBegin0, ColBegin0, RowEnd0, ColEnd0)fit_line_contour_xld (EmptyObject1, 'tukey', -1, 0, 5, 2, RowBegin1, ColBegin1, RowEnd1, ColEnd1, Nr1, Nc1, Dist1)gen_region_line(RegionLine1, RowBegin1, ColBegin1, RowEnd1, ColEnd1)*求交點intersection_lines (RowBegin1, ColBegin1, RowEnd1, ColEnd1, RowBegin0, ColBegin0, RowEnd0, ColEnd0, Row, Column, IsOverlapping) dev_clear_window()dev_display (Image)dev_set_color ('magenta')dev_set_line_width (2)distance_pp(Row,Column,RowEnd0, ColEnd0, DistanceEnd)distance_pp(Row,Column,RowBegin0, ColBegin0, DistanceBegin)if (DistanceBegin > DistanceEnd)disp_line(WindowHandle,RowBegin0, ColBegin0,Row, Column)elsedisp_line(WindowHandle,RowEnd0, ColEnd0,Row, Column)endifdistance_pp(Row,Column,RowEnd1, ColEnd1, DistanceEnd)distance_pp(Row,Column,RowBegin1, ColBegin1, DistanceBegin)if (DistanceBegin > DistanceEnd)disp_line(WindowHandle,RowBegin1, ColBegin1,Row, Column)elsedisp_line(WindowHandle,RowEnd1, ColEnd1,Row, Column)endif*計算角度dev_set_color ('green')gen_region_points(Region,Row, Column)gen_cross_contour_xld (Cross, Row, Column, 20, rad(45))dev_display(Cross)angle_ll (RowBegin1, ColBegin1, RowEnd1, ColEnd1, RowBegin0, ColBegin0, RowEnd0, ColEnd0, Angle)AngleDeg := deg(Angle)count_seconds (Seconds2)disp_message (WindowHandle, 'CT : ' + ((Seconds2-Seconds1)*1000)+' mSec', 'image', 10 , 10, 'slate blue', 'true') disp_message (WindowHandle, 'AngleDeg : ' + AngleDeg+' 度', 'image', 60 , 10, 'slate blue', 'true') stop()

方法2：

list_files ('', ['files','follow_links'], ImageFiles) tuple_regexp_select (ImageFiles, ['\\.(tif|tiff|gif|bmp|jpg|jpeg|jp2|png|pcx|pgm|ppm|pbm|xwd|ima|hobj)$','ignore_case'], ImageFiles) for Index := 0 to |ImageFiles| - 1 by 1read_image (Image, ImageFiles[Index])* Image Acquisition 01: Do somethingcount_seconds (Seconds3)mean_image (Image, ImageMean, 30, 30)dyn_threshold (Image, ImageMean, RegionDynThresh, 15, 'light')closing_circle (RegionDynThresh, RegionClosing1, 12.5)fill_up (RegionClosing1, RegionFillUp)connection (RegionFillUp, ConnectedRegions)select_shape_std (ConnectedRegions, SelectedRegions, 'max_area', 70)opening_rectangle1 (SelectedRegions, RegionOpening, 100, 10)skeleton (RegionOpening, Skeleton)gen_contours_skeleton_xld (Skeleton, Contours1, 1, 'filter')fit_line_contour_xld (Contours1, 'tukey', -1, 0, 5, 2, RowBegin, ColBegin, RowEnd, ColEnd, Nr, Nc, Dist)gen_region_line (RegionLines, RowBegin, ColBegin, RowEnd, ColEnd)opening_rectangle1 (SelectedRegions, RegionOpening1, 10, 100)dilation_circle (RegionOpening, RegionDilation, 12.5)difference (RegionOpening1, RegionDilation, RegionDifference)connection (RegionDifference, ConnectedRegions1)select_shape_std (ConnectedRegions1, SelectedRegions1, 'max_area', 70)skeleton (SelectedRegions1, Skeleton1)gen_contours_skeleton_xld (Skeleton1, Contours2, 1, 'filter')fit_line_contour_xld (Contours2, 'tukey', -1, 0, 5, 2, RowBegin1, ColBegin1, RowEnd1, ColEnd1, Nr, Nc, Dist)gen_region_line (RegionLines1, RowBegin1, ColBegin1, RowEnd1, ColEnd1)intersection_lines (RowBegin1, ColBegin1, RowEnd1, ColEnd1, RowBegin, ColBegin, RowEnd, ColEnd, Row, Column, IsOverlapping)angle_ll (RowEnd1, ColEnd1,RowBegin1, ColBegin1,RowBegin, ColBegin, RowEnd, ColEnd, Angle)gen_cross_contour_xld (Cross, Row, Column, 20, rad(45))count_seconds (Seconds4)dev_display(Image)dev_set_line_width (3)dev_set_color ('red')dev_display(RegionLines)dev_display(RegionLines1)dev_set_color ('green')dev_display(Cross)AngleDeg := deg(Angle)disp_message (WindowHandle, 'CT : ' + ((Seconds4-Seconds3)*1000)+' mSec', 'image', 10 , 10, 'slate blue', 'true') disp_message (WindowHandle, 'AngleDeg : ' + AngleDeg+' 度', 'image', 60 , 10, 'slate blue', 'true')stop() endfor

總結

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