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Triangular mesh approach for automatic repair of missing surfaces of lod2 building models

Rashidan, H. and Abdul Rahman, A. and Musliman, I. A. and Buyuksalih, G. (2022) Triangular mesh approach for automatic repair of missing surfaces of lod2 building models. In: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 5 October 2021 - 6 October 2021, Casablanca, Morocco.

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Official URL: http://dx.doi.org/10.5194/isprs-archives-XLVI-4-W3...

Abstract

3D city models are increasingly being used to represent the complexity of today's urban areas, as they aid in understanding how different aspects of a city can function. For instance, several municipalities and governmental organisations have constructed their 3D city models for various purposes. These 3D models, which are normally complex and contain semantics information, have typically been used for visualisation and visual analysis purposes. However, most of the available 3D models open datasets contain many geometric and topological errors, e.g., missing surfaces (holes), self-intersecting surfaces, duplicate vertices, etc. These errors prevent the datasets from being used for advanced applications such as 3D spatial analysis which requires valid datasets and topology to calculate its volume, detect surface orientation, area calculation, etc. Therefore, certain repairs must be done before taking these models into actual applications, and hole-filling (of missing surfaces) is an important one among them. Several studies on the topic of automatic repair of the 3D model have been conducted by various researchers, with different approaches have been developed. Thus, this paper describes a triangular mesh approach for automatically repair invalid (missing surfaces) 3D building model (LOD2). The developed approach demonstrates an ability to repair missing surfaces (with holes) in a 3D building model by reconstructing geometries of the holes of the affected model. The repaired model is validated and produced a closed-two manifold model.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:3d building models, automatic repair technique, geometric errors
Subjects:T Technology > T Technology (General)
Divisions:Razak School of Engineering and Advanced Technology
ID Code:100683
Deposited By: Narimah Nawil
Deposited On:30 Apr 2023 16:43
Last Modified:30 Apr 2023 16:43

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