| 摘要 |
An OSD circuit superimposes a mask image on a video imaged by a camera main body in a camera device. A microcomputer performs processing for changing the position where a mask image is displayed (superimposed) within a range of imaging with the camera device on the basis of a signal representing the pan/tilt position of the camera device. At this time, when the mask image is moved in the pan direction from an area where the initial position of the mask image is set, the position and the size of the mask image are corrected depending on the amount of movement of the mask image and the tilt angle of the camera device.
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