5.20 Blob定位实战案例分析

• Image Acquisition 01: Code generated by Image Acquisition 01
  open_framegrabber ('DirectShow', 1, 1, 0, 0, 0, 0, 'default', 8, 'rgb', -1, 'false', 'default', '[0] Ysd-Anzija', 0, -1, AcqHandle)
  while (true)
  grab_image (Image, AcqHandle)

  • Image Acquisition 01: Do something
    *去掉干扰 先用腐蚀 去掉 或者是闭运算

  threshold (Image, Regions, 211, 255)

  *closing_circle (Regions, RegionClosing,100)
  erosion_circle (Regions, RegionErosion, 10)

  connection (RegionErosion, ConnectedRegions)

  select_shape (ConnectedRegions, SelectedRegions, ['area','anisometry'], 'and', [0,5.3687], [100000,8.6872])

  area_center (SelectedRegions, Area, Row, Column)

  dev_get_window (WindowHandle)

  disp_message (WindowHandle, '中心坐标：'+Row+','+Column, 'window', 0, 0, 'black', 'true')

  dev_clear_window ()

  dev_display (SelectedRegions)

endwhile
close_framegrabber (AcqHandle)