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EN
A tool has been constructed to use information extracted from photographs captured using uncalibrated cameras to fill occlusions which occur in three-dimensional models of photogrammetrically captured sites. Capturing the geometry of archeological sies by photogrammetric means is relatively expensive and, because of the typical layouts of such sites, usually results in a degree of occulusion. The essential philosophy underlying the tool is to segment each occlusion into surfaces which may be approximated using curves, and then use the known geometry in the region of the occlusion to calculate the most probable locations of the junctions of such surface segments. Texture of the surface segments is then applied to the tree-dimensional model. The tool has been applied to occulations of various configurations thatb are expected to be typical for archeological sites, and has been found to deal well with such features and to provide accurate patches from typical data sets. It is also shown that the tree-dimensional geometric model is clearly improved by the filling-in of the occlusion.
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