1. An operation support method, comprising: generating a three dimensional panorama image by overlapping multiple images with each other based on posture information of a camera and a feature point map of the multiple images captured by the camera, and displaying the three dimensional panorama image at a first display device; and outputting, at a second display device, position information of a target indicated based on current posture information of the camera in response to an indication of the target on the three dimensional panorama image.