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The Kymissala Archaeological Research Project (KARP) is a combined research effort of the Department of Mediterranean Studies, the University of the Aegean and the 22nd Ephorate of Prehistoric and Classical Antiquities, in collaboration with the School of Rural and Surveying Engineering of the National Technical University of Athens. This paper add...
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... The first approach uses a predefined reference image, which is a duplication of the left image of the image pair, to carry the semantic information (Figure 4). The images used for the first experiment are from the archaeological site of the ancient Kymissala [49][50][51] in Rhodes and were captured during the summer field course in photogrammetry in 2019, which was conducted by the Laboratory of Photogrammetry SRSGE NTUA. The second approach enriches the RGB images with an extra channel (RGBL), which contains the edge semantic information and then feeds them into the "Triangulation" pipeline, from which a semantically enriched point cloud is produced. ...
The creation of 2D–3D architectural vector drawings constitutes a manual, labor-intensive process. The scientific community has not provided an automated approach for the production of 2D–3D architectural drawings of cultural-heritage objects yet, regardless of the undoubtable need of many scientific fields. This paper presents an automated method which addresses the problem of detecting 3D edges in point clouds by leveraging a set of RGB images and their 2D edge maps. More concretely, once the 2D edge maps have been produced exploiting manual, semi-automated or automated methods, the RGB images are enriched with an extra channel containing the edge semantic information corresponding to each RGB image. The four-channel images are fed into a Structure from Motion–Multi View Stereo (SfM-MVS) software and a semantically enriched dense point cloud is produced. Then, using the semantically enriched dense point cloud, the points belonging to a 3D edge are isolated from all the others based on their label value. The detected 3D edge points are decomposed into set of points belonging to each edge and fed into the 3D vectorization procedure. Finally, the 3D vectors are saved into a “.dxf” file. The previously described steps constitute the 3DPlan software, which is available on GitHub. The efficiency of the proposed software was evaluated on real-world data of cultural-heritage assets.
... 236-242), [25] (pp. 124-129), [26][27][28][29][30], [31] (pp. 58-71), [32]. ...
... 124-129), [26] (pp. 86-92), [27] (pp. 263-264), [28] (pp. ...
... These were mostly rescue excavations and small-scale clean-ups carried out by the Ephorate of Antiquities of the Dodecanese. As part of this, in 1975 the acropolis of Agios Fokas was cleaned under the supervision of archaeologist Konstantinos Katralis [26] [34][35][36] and the Institute of Archaeology of the Nicolaus Copernicus University in Toruń, Poland also participate in the project, which is continuing to this day [26][27][28][29][30][37][38][39]. ...
In recent years, the rapid development of technology has offered scientists new powerful tools. Especially in the field of cultural heritage documentation, modern digital media are an integral part, contributing significantly to the process of recording, managing, and displaying architectural monuments, archaeological sites, and art objects in a fast and accurate way. Digital technologies have made it possible to produce accurate digital copies of heritage sites and contribute to their salvation and conservation. At the top of the hill of Agios Fokas, acropolis of the ancient Demos of Kymissaleis, are the remains of a small Hellenistic temple of the 3rd–2nd century BC. This article proposes a virtual reconstruction of the temple on the acropolis of Kymissala. The geometric documentation of the temple and the creation of a three-dimensional model with its virtual reconstruction are analyzed. Modern photogrammetric methods are applied by taking digital images in the context of the experimental application of a relatively simple and semi-automatic method that does not require highly specialized knowledge and therefore can be used by non-specialists. With the use of modeling software, a three-dimensional model of the temple is created with the main goal of its virtual reconstruction.
The Rhodian military fleet and the textiles of the standard equipment of the navy of Hellenistic Rhodes. The island of Rhodes is one of the Greek islands with the longest naval tradition and the Rhodian navy of the Hellenistic period was the most powerful Greek navy after the Athenian one. This paper presents the results of a research project, entitled HISTIA, studying the production, maintenance, and administration of a neglected area of research, namely the sails, rope and any textile equipment needed for the military ships of Rhodes. By focusing on this previously unstudied field of naval studies, this project, not only aims at breaching a significant research gap, but also establishes a new field of textile archaeology that studies textiles intended for the ships, bringing together the fields of ancient history, naval history, and textile archaeology. Based on similar studies carried out for the Athenian navy, as well as research on the naval power of Rhodes, HISTIA project investigates evidence and research questions related to the types of ships used in Classical and Hellenistic Rhodes, the facilities of the Rhodian harbors, the maritime networks of Rhodes and the navy stations, and the ship’s equipment in textiles and rope; the basic type of ship being the trireme, a significant source of information for the establishment of the requirements in textiles and rope were the naval catalogues of Piraeus listing the triremes and their equipment. The project also studies the materials required for this production, the possibility of local cultivation, as well as the trade of raw materials and finished products; similarly, the production process, information about workshops, workforce, as well as different trades necessary to meet the constant requirements of the navy in textiles and rope. Moreover, as was also the case in Athens, in Rhodes too this material required constant and specific maintenance in storehouses with special conditions in order to be safely stored and be useful for a long period of time.
