Maybe this is a bug for IMAQ with USB Camera. I tried to put the open/configure/close.vi inside the while loop and found that the % is reduced to below 10%. But this is not a good solution as this will keep open/close the camera periodically. Besides, my cameras have initial warm up period which it will take few seconds to focus. For this open/close solution, i only able to grab blur images. I am wondering why this happens to USB cameras only. As my laptop also have an integrated camera but the CPU usage is ok if i run that integrated camera. Maybe i had miss install some drivers?
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