Here's one way to get a 360-degree view of a room, without that distinctive "fisheye" effect.
One way of providing economical video surveillance of a smaller shop or office is to mount a wide-angle camera on the ceiling for a 360-degree view. That way, a single camera covers the entire area.
The drawback is that the resulting images have a distinctive 'fisheye' look:
So the latest version of AXIS Camera Companion (we previously reported on an earlier version) has a new trick up its sleeve - the software can dewarp this view to provide a more normal rendering of a part of the scene:
These images were taken from AXIS's promotional video on YouTube, so we doubt they do justice to the hardware or software.