Abstract

Abstract Analytical photogrammetry has become a very accurate method for co-ordinating ground stations. Improvements in accuracy can be attributed to improved methods of correcting for systematic errors and to the use of sophisticated computer adjustment techniques. In particular, the use of the reseau camera and test field calibrations to correct for film and lens distortion and the use of the bundle adjustment method have enabled co-ordinate standard deviations of less than 3 cm to be achieved. Applications of analytical photogrammetry are now possible in cadastral and geodetic areas, traditionally the domain of field survey methods. The increased accuracy will benefit mapping programmes and permit a wider application of analytical photogrammetry to engineering projects.

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