HALCON示例程序measure_chip.hdev芯片封裝檢測

示例程序源碼（加注釋）

• 關于顯示類函數解釋
  dev_update_off ()
  read_image (Image, ‘die_on_chip’)
  get_image_size (Image, Width, Height)
  dev_close_window ()
  dev_open_window (0, 0, Width * 2, Height * 2, ‘light gray’, WindowID)
  dev_set_part (0, 0, Height - 1, Width - 1)
  dev_set_line_width (3)
  dev_set_color (‘white’)
  dev_set_draw (‘margin’)
  dev_display (Image)
  set_display_font (WindowID, 16, ‘mono’, ‘true’, ‘false’)
  dev_set_line_width (2)
  dev_set_draw (‘fill’)
• 快速二值化
  fast_threshold (Image, Region, 120, 255, 20)
• 開運算
  opening_rectangle1 (Region, RegionOpening, 4, 4)
• 分割連通域
  connection (RegionOpening, ConnectedRegions)
• 填充孔洞
  fill_up (ConnectedRegions, RegionFillUp)
• 通過矩形度與面積篩選區域
  select_shape (RegionFillUp, SelectedRegions, [‘rectangularity’,‘area’], ‘and’, [0.8,700], [1,99999])
• 求取可旋轉最小外接矩形
  smallest_rectangle2 (SelectedRegions, Row, Column, Phi, Length1, Length2)
  gen_rectangle2 (Rectangle, Row, Column, Phi, Length1, Length2)
• 求邊界，膨脹，減小定義域。以達到提取定義域效果。
  boundary (Rectangle, RegionBorder, ‘inner_filled’)
  dilation_rectangle1 (RegionBorder, RegionDilation, 4, 4)
  reduce_domain (Image, RegionDilation, ImageReduced)
  dev_clear_window ()
  dev_display (ImageReduced)
  disp_continue_message (WindowID, ‘black’, ‘true’)
  stop ()
• 使用canny算子提取邊緣
  edges_sub_pix (ImageReduced, Edges, ‘canny’, 1.5, 30, 40)
• 分割XLD輪廓，算子解釋傳送門
  segment_contours_xld (Edges, ContoursSplit, ‘lines’, 5, 2, 2)
• 通過長度篩選邊緣
  select_contours_xld (ContoursSplit, SelectedContours1, ‘contour_length’, 10, 99999, -0.5, 0.5)
• 合并臨近的XLD輪廓
  union_adjacent_contours_xld (SelectedContours1, UnionContours1, 30, 1, ‘attr_keep’)
• 擬合最小外接矩形
  fit_rectangle2_contour_xld (UnionContours1, ‘tukey’, -1, 0, 0, 3, 2, Row1, Column1, Phi1, Length11, Length12, PointOrder1)
• 繪制XLD最小外接矩形
  gen_rectangle2_contour_xld (Rectangle1, Row1, Column1, Phi1, Length11, Length12)
• 下邊一段代碼與上邊一樣哈
  fast_threshold (Image, Region1, 65, 255, 20)
  connection (Region1, ConnectedRegions1)
  opening_rectangle1 (ConnectedRegions1, RegionOpening1, 10, 10)
  fill_up (RegionOpening1, RegionFillUp1)
  select_shape (RegionFillUp1, SelectedRegions1, ‘area’, ‘and’, 1000, 99999)
  boundary (SelectedRegions1, RegionBorder1, ‘inner’)
  dilation_rectangle1 (RegionBorder1, RegionDilation1, 10, 10)
  reduce_domain (Image, RegionDilation1, ImageReduced1)
  dev_clear_window ()
  dev_display (ImageReduced1)
  disp_continue_message (WindowID, ‘black’, ‘true’)
  stop ()
  threshold_sub_pix (ImageReduced1, Border1, 70)
  segment_contours_xld (Border1, ContoursSplit2, ‘lines’, 5, 2, 2)
  select_contours_xld (ContoursSplit2, SelectedContours2, ‘contour_length’, 30, 99999, -0.5, 0.5)
  union_adjacent_contours_xld (SelectedContours2, UnionContours2, 30, 1, ‘attr_keep’)
  fit_rectangle2_contour_xld (UnionContours2, ‘tukey’, -1, 0, 0, 3, 2, Row2, Column2, Phi2, Length21, Length22, PointOrder2)
  gen_rectangle2_contour_xld (Rectangle2, Row2, Column2, Phi2, Length21, Length22)
  dev_clear_window ()
  dev_set_colored (3)
• dev_display (Image)
  dev_display (SelectedContours1)
  dev_display (SelectedContours2)
  disp_continue_message (WindowID, ‘black’, ‘true’)
  stop ()
  dev_set_color (‘white’)
  dev_display (UnionContours1)
  dev_set_color (‘yellow’)
  dev_display (UnionContours2)
  disp_continue_message (WindowID, ‘black’, ‘true’)
  stop ()
  dev_display (Image)
  dev_set_color (‘white’)
  dev_display (Rectangle1)
  gen_cross_contour_xld (Cross1, Row1, Column1, 6, Phi1)
  dev_display (Cross1)
  dev_set_color (‘yellow’)
  dev_display (Rectangle2)
  gen_cross_contour_xld (Cross2, Row2, Column2, 6, Phi2)
  dev_display (Cross2)
  distance_pp (Row1, Column1, Row2, Column2, Distance)
  DifferenceOrientation := Phi1 - Phi2
  set_tposition (WindowID, 10, 10)
  write_string (WindowID, ‘Distance between centers: ’ + Distance${}^{\prime }.3^{\prime }{+}^{\prime }pixe{l}^{\prime })se{t}_{t}position(WindowID,25,10)writ{e}_{s}tring(WindowID{,}^{\prime }Differencebetweenorientations{:}^{\prime }+deg(DifferenceOrientation)$’.2’ + ’ deg’)
  dev_update_window (‘on’)

處理思路

這個例子是主要講解了矩形邊緣的擬合。

后記

大家有什么問題可以向我提問哈，我看到了第一時間回復，希望在學習的路上多多結交良師益友。