This component allows you to grab images from any camera supported by OpenCV. The output images are grayscale or color images.
A camera supported by OpenCV.
A grayscale or a color image.
Camera number 
The number of the camera. The system usually enumerates them starting with 0 for the first camera. Set to -1 for "any camera". (Note that the iSight cameras built into MacBooks need this values to be 0.)