Motion detection for conveyor

Hi
My task is to make the video of the running conveyor. as soon as a component such as diode or transistor comes in front of the camera, the image should be captured for further processing. 
Earlier i had inserted a delay of 5 seconds but accuracy couldnt be achieved because of manual placement of component on the conveyor.
I've seen the older posts regarding motion detection but they are giving error. imaqdx gives an error saying camera isn't detected.
need help.

Hi Incisive,
What error are you receiving in LabVIEW from IMAQdx? Also, how are you trying to detect the components? Instead of movement, you could use pattern or color matching to take a picture. Try searching on our website and filtering by examples for some pre-written code that might help you out. Hope this helps!
Mychal F
Applications Engineer
National Instruments

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    Attachments:
    Chain_gear.jpg ‏17 KB

    Discussion continued here:
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    i have line-scan camera connected to servo motor.
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    Attachments:
    Chain_gear.jpg ‏17 KB

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