wishlist: Change cooldown period to be time based instead of frame based
- Add a time based cooldown.
- Add a minimum amount of frame passed for slow cameras.
WAS: Non-fisheye calibration now goes really fast, at the cost of coverage
The adjustment to a more flexible procedure is nice, and the "pace" feels OK on a fisheye camera, but on a rectilinear like ps4 camera, it's over in a flash.
Maybe enforce a minimum (squared) distance between two images? it seems to be pretty accepting of a new image as being "different" when it's pretty much the same.