3D laser scanning and close-range photogrammetry for buildings documentation: A hybrid technique towards a better accuracy

El-Din Fawzy, Hossam 3D laser scanning and close-range photogrammetry for buildings documentation: A hybrid technique towards a better accuracy. 3D laser scanning and close-range photogrammetry for buildings documentation: A hybrid technique towards a better accuracy. pp. 1191-1204. ISSN 1110-0168

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Abstract

This paper presents a study of 3D digital documentation techniques for the mosque of kafrelsheikh University campus namely: Close Range Photogrammetry as a digital smart point cloud mesh production in comparison with laser scanning as an attempt to achieve a hybrid formu�lation as an improved technique for execute more accurate 3d features documentation, also CRP as measuring technique in comparison with the traditional technique which is total station. The total station was used to survey the geometry properties of the building surface which considered as a base in this study, in computational methods and operation fields have been illustrated in the manu�script. The hybrid technique showed the optimum achieved accuracy for 3D digital documentation which has been established based on measuring scanned values, for example the enhancement obtained in accuracy reached its submit in hybrid technique by (80.1, 66.4, and 84.2)% when sur�veying features point coordinates, lines, and angles, respectively based on a comparative study, the hybrid technique is recommended for surveying instead of traditional ones

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