IEEE Micro Jan.-Feb. 2012 is a special issue on Top Picks from Hot Interconnects 2011: Petascale Network Architectures.
Keyence LK-G, “optical mouse” for nano-meter scale metrology. It is an example showing, When properly standardized, embedded vision system can be widely applied in industrial applications. Yet it is hard to find a way to standardize more complicated computer vision algorithms.
The Optical Mouse, and an Architectural Methodology for Smart Digital Sensors, by Richard F. Lyon, in 1981. It was published as a techreport of Xerox PARC lab.