Abstract
High Dynamic Range Images have not yet been fully exploited for metric use. Their usefulness for photogrammetric applications in the field of Cultural Heritage Documentation is obvious. However it is not quite clear whether they constitute a solid metric base material for that purpose. For applications of Cultural Heritage Documentation, where during image acquisition lighting conditions might very often be difficult, HDR technology can positively contribute to the acquisition of images of better quality and, consequently, to the creation of orthophotos or other imagery products, including textured 3D models with no radiometric problems. In this paper, a detailed reference to HDRI technology is made and also the geometric reliability and photogrammetric applicability of HDR images is examined and investigated. In addition, an example of photogrammetric application in Cultural Heritage Documentation is presented and evaluated.
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