PROBLEM TO BE SOLVED: To provide a radar axis deviation-amount calculation device and radar axis deviation-amount calculation method that are high in a degree of installation freedom, and can highly accurately calculate an amount of deviation from a radar axis of a radar device.;SOLUTION: A computation unit 104 is configured to: implement an image analysis with respect to an image generated by a camera 103; thereby, generate first position information serving information about a relative position of a radar device 200 when viewing from the camera 103; acquire second position information generated by receiving a reflection wave due to a reflector of a radar transmission wave by the radar device 200, and serving information about a relative position of a reflector 101 when viewing from the radar device 200; and calculate a difference between the first position information and the second position information, in which the calculated difference is determined as an amount of deviation from a reference direction of a radar axis of the radar device 200.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT
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