When spy satellites peer down at you from over head, what can you do? Well, if your’re Thierry Legault and Emmanuel Rietsch you look back! The pair of enterprising Frenchmen have modified a consumer-grade telescope, added a small motor, hand-held controller and a video camera. The result is a do-it-yourself satellite tracker capable of recording […]
Tag Archives: surveillance tech
Vehicle data collection and processing system
As you travel this holiday weekend you may notice these IR devices mounted on police vehicles, at turnpike toll plazas and elsewhere along highways. They are designed to automatically read license plate numbers and check them against a database. Here’s an abstract describing how these systems work.