![]() ![]() ![]() Digital photogrammetry is a rapidly developing field of research and it allows the ‘translation’ of historical or modern 2D photography in three dimensional point clouds. The possibility of achieving this goal in an affordable and straightforward way makes it even more attractive, allowing applications in an ever wider range of scenarios where such an approach may be of high value. Strengths and weaknesses are here highlighted and the integration of different technologies is presented, as it generally represents the best solution in most multi-scalar contexts.Īccurate 3D documentation of artefacts and landscapes is one of the challenges in modern archaeological research. These analysis led to qualitative and quantitative evaluations and to considerations on times and skills required by all tested technologies. Restored 3D models were compared among each other and with a gold standard acquisition. Since in the architectonical survey field the level of detail of acquisitions is based on scales of representation that range between values that are generally compatible with the definition provided by some of the most widespread SfM technologies, we tested their performances and developed a procedure with the purpose of easing the work of surveyors called to restore digital representations at different scales. This contribution presents the results of investigations on the reliability of technologies based on the Structure from Motion approach for the 3D digitization of build heritage. ![]()
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