Usually, when you check your home security camera footage after a long day at the water park, you probably don’t see much. You might catch a few passing cars or a fallen tree branch. Maybe a raccoon eating all your cat food. But sometimes — sometimes you find an elf dancing in your driveway.
The brilliant minds of Carnegie Mellon University have conspired to develop an algorithm that accurately tracks the location of “persons-of-interest” in complex indoor environments.