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Opencv open usb camera

Time:05-20

My computer attached to a serial port communication equipment, coupled with a built-in notebook camera and an external usb camera, take out a serial port open two cameras can be normal use opencv, serial port attached to, bring camera can be normal open, external usb camera can't normal open, need to open to be successful for many times, this is why,

CodePudding user response:

Use the USB port of the blue
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