This is a fairly simple read that demystifies computer vision for me. low-level computer vision algorithms through detecting motion, presence or brightness threshold are actually not that far beyond my knowledge. Moreover, many plug-ins and libraries are available for artists who wish to use computer vision for their multi-media installation.
This reading also gave me some ideas of how to make our first-person shooter game. The player can be given a laser gun and the camera would capture the single brightest point and translate that onto the screen so that by moving the gun in hand, the player can move the cursor on the screen.