HALCON示例程序inspect_solar_fingers.hdev太陽能電池板電路缺陷檢測

示例程序源碼（加注釋）

• 關于顯示類函數解釋
  dev_update_off ()
  dev_close_window ()
  ImageName := ‘solar_cell/solar_cell_’
  read_image (Image, ImageName + ‘01’)
  dev_open_window_fit_image (Image, 0, 0, -1, -1, WindowHandle)
  set_display_font (WindowHandle, 14, ‘mono’, ‘true’, ‘false’)
  dev_set_color (‘red’)
  dev_set_draw (‘margin’)
  dev_set_line_width (2)
  NumImages := 6
  for Index := 1 to NumImages by 1
  read_image (Image, ImageName + Index$‘02’)
  • 彩色圖像分成RGB三個通道
    decompose3 (Image, ImageR, ImageG, ImageB)
  • 二值化
    threshold (ImageR, Region, 0, 159)
    *分割連通域
    connection (Region, ConnectedRegions)
  • 使用寬度、高度、面積對區域進行篩選
    select_shape (ConnectedRegions, GoodSmallParts, [‘area’,‘width’], ‘and’, [3500,130], [5000,300])
    select_shape (ConnectedRegions, GoodLongParts, [‘area’,‘width’], ‘and’, [6000,350], [10000,550])
    select_shape (ConnectedRegions, Clutter, [‘width’,‘height’,‘area’], ‘or’, [900,900,0], [1000,1000,100])
  • 求取篩選出的與合格的不同的區域
    difference (ConnectedRegions, GoodSmallParts, Difference)
    difference (Difference, GoodLongParts, Difference)
    difference (Difference, Clutter, BrokenParts)
  • 對不合格區域進行形狀變換，變換為矩形
    shape_trans (BrokenParts, BrokenPartsTrans, ‘rectangle1’)
  • 合格的部分高度大概在19，用高為25的矩形進行腐蝕，那么斷開區域就能被篩選出來了
    erosion_rectangle1 (BrokenParts, RegionErosion, 1, 25)
    connection (RegionErosion, ConnectedBreaks)
  • 求區域的最小外接圓
    shape_trans (ConnectedBreaks, Breaks, ‘outer_circle’)
  • 膨脹一下
    dilation_circle (Breaks, Breaks, 6)
  • 刪除空區域
    select_shape (Breaks, Breaks, ‘area’, ‘and’, 1, 99999999)
    count_obj (Breaks, CountBreaks)
    dev_display (Image)
    dev_display (BrokenPartsTrans)
    dev_display (Breaks)
  if (CountBreaks == 0)
  disp_message (WindowHandle, ‘Cell OK’, ‘window’, 12, 12, ‘black’, ‘true’)
  else
  disp_message (WindowHandle, ‘Cell not OK’, ‘window’, 12, 12, ‘red’, ‘true’)
  endif
  *
  if (Index != NumImages)
  disp_continue_message (WindowHandle, ‘black’, ‘true’)
  stop ()
  endif
  • 如果只有一處缺陷，放大顯示
    if (CountBreaks == 1)
    dev_open_window (0, 610, 300, 300, ‘black’, WindowHandle1)
    area_center (Breaks, Area, Row, Column)
    dev_set_part (Row[0] - 50, Column[0] - 50, Row[0] + 50, Column[0] + 50)
    dev_display (Image)
    dev_display (BrokenPartsTrans)
    dev_display (Breaks)
    stop ()
    dev_set_window (WindowHandle1)
    dev_close_window ()
    endif
    endfor

處理思路

這個例子是主要講解了太陽能電池板的電路完整性檢測。靈活的應用了select_shape 與difference ；shape_trans完成了缺陷區域的框選；erosion_rectangle1 腐蝕缺陷區域以提取斷點。

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。