Importance

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Abstract

A processor outputs laser irradiation location identifying pattern information for displaying a laser irradiation location identifying pattern from a laser measuring device to a display screen of a display. The processor receives reflection intensity value information including reflection intensity values of laser light, and determines a laser irradiation location on the display screen of the display on the basis of the reflection intensity values included in the reflection intensity value information, the reflection intensity value information being outputted from the laser measuring device having received the laser light emitted from the laser measuring device and reflected from the laser irradiation location identifying pattern displayed on the display screen of the display. The processor outputs camera calibration pattern information for displaying a camera calibration pattern on the display screen of the display. The processor computes a positional relationship between the laser measuring device and a camera using photographed camera calibration pattern information, on the basis of laser irradiation location information indicating the laser irradiation location, and outputs positional relationship information of the laser measuring device with respect to the camera, the photographed camera calibration pattern information being obtained by the camera photographing the camera calibration pattern displayed on the display screen of the display.

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First Claim