Imaging device needs to be digital, using the popular codec card known as the Frame Grabber to use must be installed on your computer and plug the signal from the camera through the card. In programming, the cards will be in contact with several levels: If selected, use the simple capture card like a TV tuner card to be able to write a program through DirectShow, or using the software that comes free with the card. There will be a library for writing programs with different languages, a developer can be used.
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