Abstract
Abstract. This contribution deals with the documentation of archaeological finds using close-range photogrammetry. The method of close-range photogrammetry is presented in the form of modern technology SfM (Structure from Motion), which has become very popular in the last ten years and has infiltrated a number of fields other than geodesy. Archaeological excavations and documentation of finds were carried out as part of the Iraqi / Kurdistan expedition in 2018. Photogrammetry was used experimentally to create 3D models using a conventional digital camera. The results are satisfactory, and it was possible to create copies of the findings using rapid prototyping technology (3D printing). However, processing is not entirely simple and creating a quality model is time consuming.
Highlights
Modern photogrammetric technologies have become available and used in many other fields, in geodesy, where photogrammetry belongs
Virtual reality is fixed on powerful hardware and users need to have VR glasses, so for users this technology is expensive, but a VR model can be more detailed than a model in augmented reality, because it has more poly-counts than in AR, and the sense of immersion in VR is impressive
AR technology is cheap for users, so it could be used by smartphones and tablets as a device for model visualization
Summary
Modern photogrammetric technologies have become available and used in many other fields, in geodesy, where photogrammetry belongs. This is linked to the development of electronics, digital cameras, a major increase in the performance of personal computers, and the development of fully automatic data processing using software. Intersection photogrammetry is one of the oldest photogrammetric technologies and was used in practice at the end of the 19th century. Laussedat in France in 1867 (Polidori, 2020) Without computers, this method was laborious and was soon abandoned and replaced by analogue stereophotogrammetry. Only the principle remains of the original intersecting photogrammetry, while the measurements and calculations are performed completely differently. The basis is the solution of the generally known photogrammetric equation (1) using iterative methods known as bundle adjustment (Luhmann,, Robson, Kyle, & Harley, 2006)
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