I do this all the time. It always seems to happen precisely during the evening as I’m walking home. Basically, it happens right before I’m ever walking behind a woman down a dark-ish or dark sidewalk area.
Terminator vision is cool and all but you have to think that if this is actually what the Terminator is seeing, it’s rather inefficient for them to have these digital readouts and to work at that speed. If the Terminator is a super computer then they can probably make these assessments in a split second.
I work in a parking lot, most of the time I “follow” people from the doors to around where they park. (In a non-creepy way, its my job to get carts.) Sometimes I feel exactly the same way though. Especially at night.
the latest ipod nano has a video camera mode that looks similar like this. its fun to play with.