THE PHOTOGRAMMETRIC PARAMETERS OF THE CAMERA OF A PHOTOGRAPHIC APPARATUS,
ARMY ENGINEER RESEARCH AND DEVELOPMENT LABS FORT BELVOIR VA
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By these parameters are meant the constants of the apparatus that must be known for photogrammetry by reference to photographs taken with that apparatus. The precise process determines which parameters must be known, and with what accuracy. For instance, photographs of a plain locality provided with four reference points can be transformed without knowledge of any apparatus parameter. The most precise and most advanced methods in stereophotogrammetric surveying require the determination of the largest number of parameters, and with high accuracy. The requirements for determining the parameters of the most precise stereophotogrammetric methods are considered here.