| 摘要 |
PROBLEM TO BE SOLVED: To enable an operator to easily recognize a position of a projection point of a hook displayed on a display part onto a horizontal plane of a specific height such as the ground surface, in an image display device.SOLUTION: A display device 100 comprises a display part 10 photographed by a monitoring camera 300 provided on a boom of a crane and displaying an image including a hook suspended by a wire rope from the boom and a projection corresponding point calculation part 40 for determining a projection corresponding point corresponding to a projection point of the hook onto the ground surface and displayed on a display part 10, and the display part 10 displays a mark for specifying the projection corresponding point determined by the projection corresponding point calculation part 40 together with the image of the hook.SELECTED DRAWING: Figure 3 |
