Pushing time-of-flight scanners to the limit
VAST'09 Proceedings of the 10th International conference on Virtual Reality, Archaeology and Cultural Heritage
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In this contribution we describe tools and methods used to perform three-dimensional photogrammetric survey of different archaeological contexts. In particular, we studied in depth some aspects: swiftness (of the proceeding), accuracy (of the measurement), informative contents (of the registration) and cost (of the instruments). Considering these factors we propose some solutions for the integration of photomodelling and stereophotogrammetry within the current standards of archaeological documentation. The first part will show three-dimensional photomodelling examples of walls stratigraphy and structural elements. Then follows the comparative analysis of two different technique of survey for the documentation of the same archaeological context: the direct detection and the stereophotogrammetric one of a burial. The second part discusses the first results of an experiment still in progress: the documentation of all the contexts identified during an archaeological excavation by stereo-detection. The contribution closes with an experience of photogrammetric survey of petroglyphs.