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    3D DOCUMENTATION OF PORTAL MUQARNASES IN ANATOLIAN MADRASAHS WITH DIGITAL CLOSE RANGE PHOTOGRAMMETRIC METHOD
    (UNIV AGEAN, DEPT MEDITERRANEAN STUD, 2017) Karabork, Hakan; Yaldiz, Esra; Karasaka, Lutfiye
    Muqarnases, which are one of the most significant building elements brought in the architecture by Islam art, are three dimensional and complex geometrical compositions that are made with prismatic elements constituted with specific rules in specific combinations, with both ornamental, bearing features. Therefore, the surveys of muqarnases require a long, fragile, dangerous and difficult process. At that point, photogrammetry works come in and make the process of survey short, free of danger and mistakes as a useful application. Digital close range photogrammetry is one of the most active and efficient methods among the works to protect and document the cultural heritage by the means of the improvements of digital technology. Within the scope of this study, the surveys of the muqarnases in the portals of the Anatolian Madrasahs in Konya, Karaman and Aksaray in Central Anatolia Region were obtained with the use digital close range photogrammetry technique and 3D documentation works were made. With the 3D works, morphological features and differences of the muqarnases were determined. It was aimed to contribute to works to protect and document Konya Karatay Madrasah, Karaman Hatuniye Madrasah and Aksaray Zinciriye Madrasah.
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    Accuracy Analysis of Control Point Distribution for Different Terrain Types on Photogrammetric Block
    (UNIV OSIJEK, TECH FAC, 2018) Guntel, Ahmet; Karabork, Hakan; Karasaka, Lutfiye
    Since the digital orthoimage and orthomosaic maps have come to be used more and more as the fundamental basis for many studies, the demand for such products has been gradually increasing in the recent years. Owing to the fact that they can be produced more rapidly and cheaper than the traditional topographic maps, the orthoimage maps are currently much in demand. The production accuracy of the orthoimage maps, obtained through aerial photographs or satellite images, has been an important research topic. The number and distribution of the ground control points have a significant bearing on the accuracy of aerial triangulation. Therefore, the accuracy of the orthoimage maps, being the end products, is related to the number and distribution of the ground control points within the block. This study has aimed to study the influence of the number and distribution of ground control points and check points on the accuracy of aerial triangulation by using different GNSS/IMU systems. Five different configurations have been designed depending on the distribution of the ground control and check points within rectangular shaped blocks in different combinations and numbers. Such configurations were then tested in different types of terrain such as forest lands, residential and agricultural areas. The objective of the study was to identify the most ideal geodesic structure and the most accurate photogram metric triangulation adjustment suitable for various different systems based on such terrain classification. The results were evaluated based on the ASPRS accuracy standards.
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    A Case Study: Documentation Method with Close Range Photogrammetry of Muqarnas Which is to be an Ornamentation Type Specific to the Islamic Architecture
    (ELSEVIER SCIENCE BV, 2015) Karabork, Hakan; Karasaka, Lutfiye; Yaldiz, Esra
    The preservation of historical and cultural heritage for future generations have has become one of the most important issue in terms of for human history. Muqarnas is one of the most important, detailed elements that Islamic art contributed to architecture. In this study, the survey of the muqarnas and crown door, which are to be a type of ornamentation specific to Islamic Architecture located in Konya city center belongs to the Anatolian Seljuk period, were obtained using close-range photogrammetry technique. The crown door and muqarnas of Alaaddin Mosque, Tas Mosque, and Karatay Medresseh were selected as the field study. This study is intended to contribute to the conservation and documentation of these valuable artefacts belonging to the Anatolian Seljuk period. (C) 2015 Published by Elsevier B.V.