DEVICE, SYSTEM, METHOD, AND PROGRAM FOR OUTPUT OF ANGLE OF VIEW OF IMAGING DEVICE

摘要

This device for output of the angle of view of an imaging device is provided with: a first video picture output part (81) for outputting a first video picture onto an image area imaged by the imaging device; and a second video picture output part (82) for outputting onto the image area a second video picture indicating the angle of view of the imaging device.