| 摘要 |
Disclosed is a surveillance camera which further includes an installation mode. The surveillance camera receives one of an object distance, the actual horizontal length of a field of view (FOV), performs zooming and focusing according to an inputted value, and the actual vertical length of the FOV in the installation mode, from a user, and then synthetizes the view angle of a horizontal direction, the view angle of a vertical direction, the actual horizontal length of the FOV, and the actual vertical length of the FOV with a live-view moving picture, and outputs it. |
