A Synergistic Approach for Recovering Occlusion-Free Textured 3D Maps of Urban Facades from Heterogeneous Cartographic Data

In this paper we present a practical approach for generating an occlusion-free textured 3D map of urban facades by the synergistic use of terrestrial images, 3D point clouds and area-based information. Particularly in dense urban environments, the high presence of urban objects in front of the facades causes significant difficulties for several stages in computational building modeling. Major challenges lie on the one hand in extracting complete 3D facade quadrilateral delimitations and on the other hand in generating occlusion-free facade textures. For these reasons, we describe a straightforward approach for completing and recovering facade geometry and textures by exploiting the data complementarity of terrestrial multi-source imagery and area-based information

FacadeNet: Conditional Facade Synthesis via Selective Editing

We introduce FacadeNet, a deep learning approach for synthesizing building facade images from diverse viewpoints. Our method employs a conditional GAN, taking a single view of a facade along with the desired viewpoint information and generates an image of the facade from the distinct viewpoint. To precisely modify view-dependent elements like windows and doors while preserving the structure of view-independent components such as walls, we introduce a selective editing module. This module leverages image embeddings extracted from a pre-trained vision transformer. Our experiments demonstrated state-of-the-art performance on building facade generation, surpassing alternative methods

Interactive Facades Analysis and Synthesis of Semi-Regular Facades

Urban facades regularly contain interesting variations due to allowed deformations of repeated elements (e.g., windows in different open or close positions) posing challenges to state-of-the-art facade analysis algorithms. We propose a semi-automatic framework to recover both repetition patterns of the elements and their individual deformation parameters to produce a factored facade representation. Such a representation enables a range of applications including interactive facade images, improved multi-view stereo reconstruction, facade-level change detection, and novel image editing possibilities

The typo-morphological facade of the catholic churches of S. Miguel, Azores

This paper intends to present the research results that comprised a comparative facade analysis of 41 parish and non-parish Catholic churches on the island of S. Miguel, Azores, built during the 18th and 19th centuries. The research highlights the existence of a facade typology expressed in the formal similarities between them. The matrix composition and the ornamental elements present on the 63 churches' facades were analysed and studied in detail in 41 churches, mapped and characterised by the elements that compose them. These are grouped into categories, allowing to establish and synthesise a typology, called the micaelense model facade, according to the composition principals present in the facades. The analysis method, the reading of the forms of the churches' facades, and the metric survey of these were based on old and current photographic records,supported by a comparative analysis elaborated and organised from tables and synthetic schemes systematised in vector drawings (graphic representations made in CAD).info:eu-repo/semantics/publishedVersio