360-degree panorama images are getting more and more popular. It is a very promising interactive technology that gives viewers a chance to see everything that surrounds the point from which the photo was taken. It may consist of two or more shots that are able to provide the effect of full immersion. Such panoramas may be spherical or cylindrical, the former is more widespread because the viewing angle is the maximum possible that allows seeing all the surroundings including the floor and the ceiling if it is a building.