To provide a high-productivity device for the calibration of an in-vehicle camera which can highly accurately calibrate an in-vehicle camera in a short period of time by a simple configuration.

The device for the calibration of the in-vehicle camera includes: a coordinate transformation section 13 which transforms coordinates of ideal calibration points into transformed coordinates using undetermined camera adjustment values; a first adjustment section 14 which calculates adjustment values corresponding to angles of rotation around one or two of three axes of the camera coordinate system on the basis of the actual coordinates identified on the projection plane of the camera coordinate system on the basis of a camera-captured image and the transformed coordinates and updates a camera adjustment value; a second adjustment section 15 which calculates adjustment values corresponding to the angles of rotation around the remaining axes of the camera coordinate system on the basis of the transformed coordinates and actual coordinates and updates the camera adjustment value; and a camera adjustment value setting section 19 which determines the camera adjustment values calculated and updated by the first adjustment section and the second adjustment section when predetermined completion conditions are satisfied.

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