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ACCURACY OF HEIGHTING FROM VERTICAL PHOTOGRAPHY OBTAINED BY HELICOPTER
Author(s) -
Cheffins O. W.
Publication year - 1969
Publication title -
the photogrammetric record
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.638
H-Index - 51
eISSN - 1477-9730
pISSN - 0031-868X
DOI - 10.1111/j.1477-9730.1969.tb00952.x
Subject(s) - runway , photography , interval (graph theory) , remote sensing , geology , geodesy , optics , geography , art , cartography , visual arts , mathematics , physics , combinatorics
Abstract Experimental photography at scales up to 1 : 500 has been taken and analysed, subsequently, using Zeiss C8 and Wild A8 instruments. Results indicate that a 25 mm contour interval may be achieved on reliable surfaces, such as roads and aerodrome runways.