PROBLEM TO BE SOLVED: To provide a technique capable of favorably specifying a photographic position of a real landscape image regardless of meteorological conditions when photographing the real landscape image.;SOLUTION: The photographic position specification system includes: a reference data storing section 11 that stores reference data RD associated with a photographic position of a landscape image, or a generation source of unit reference data constituting the reference data RD; a photographic position specification section 40 that matches real landscape data AD generated based on the real landscape image SP with the reference data RD and specifies the photographic position of the real landscape image SP; and a unit reference data selecting section 42 that, when matching the real landscape data AD with the reference data RD, for each of respective divided areas formed by dividing the photographic area of the real landscape image SP, selects unit reference data corresponding to the respective divided areas from unit reference data groups constituting the reference data RD based on the positions in the imaging areas of the divided areas, present meteorological condition information CW, and past meteorological condition information PW.;COPYRIGHT: (C)2012,JPO&INPIT
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