(轉)工業相機鏡頭自動調焦（halcon)

gen_rectangle1 (ROI_0, 0, 1000,0, 1000)
* Image Acquisition 01: Code generated by Image Acquisition 01
open_framegrabber ('GigEVision', 0, 0, 0, 0, 0, 0, 'default', -1, 'default', -1, 'false', 'default', '0030531a4e5e_Basler_acA250014gm', 0, -1, AcqHandle)
grab_image_start (AcqHandle, -1)
while(true)
   grab_image_async (Image, AcqHandle, -1)
   reduce_domain(Image, ROI_0, ImageReduced)
   sobel_amp(ImageReduced, EdgeAmplitude, 'sum_abs', 3)
   intensity(ROI_0, EdgeAmplitude, Mean, Deviation)
   disp_message(3600, Mean, 'window', 200, 200, 'black', 'gray')
endwhile
* Image Acquisition 01: Do something
close_framegrabber (AcqHandle)