@duane: check out the you-tube video of a guy who wanted some sheet music. Wrote a program to see the holes and convert it from the video. I suspect it works similar to my scanner. (which was and is a decade old open source hardware project.)
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.