Three-dimensional field for calibration and method of photographing the same
DRIVE
December 1, 2004
A three-dimensional field for calibration having a wide-angle area 110 and a zooming area 120 located within an area overlapped with the wide-angle area 110 comprises: a plurality of rough alignment reference marks 122 for zooming and a plurality of precise alignment reference marks 124 for zooming, and the rough alignment reference marks 122 and the precise alignment reference marks 124 for zooming being arranged within the zooming area 120; and a plurality of rough alignment reference marks 112 for wide-angle and a plurality of precise alignment reference marks 114 for wide-angle, the rough alignment reference marks 112 and the precise alignment reference 124 marks for wide-angle being arranged within the wide-angle area 110.
Discussion in the ATmosphere