Where Are We Now on the Road to 4d Urban History Research and Discovery?

Münster, Sander; Maiwald, Ferdinand; Bruschke, Jonas; Kröber, Cindy; Dietz, R.; Messemer, Heike; Niebling, Florian

doi:10.5194/isprs-annals-viii-m-1-2021-109-2021

Cited by 7 publications

(6 citation statements)

References 31 publications

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“…Multiple types of data have been collected, processed, and/or generated, particularly photographs and 3D building models [309]. To enable users to explore and interact with these data, two applications have been developed, targeting different user groups and scenarios: the 4D City application for mobile devices and the 4D browser for desktop use.…”

Section: Data Visualizationmentioning

confidence: 99%

“…It is developed as a desktopand browser-based virtual research environment, targeting primarily (but not only) art, architectural, and urban history scholars. The basic idea originates from shortcomings in conventional media repositories, where data can only be queried by their metadata [309]. To this end, the 4D browser extends conventional search interfaces (e.g., search bars, faceted search) by a 3D viewport that displays spatially oriented photographs within a 3D city model [318].…”

Section: Four-dimensional Browser and Visualizationsmentioning

confidence: 99%

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A Digital 4D Information System on the World Scale: Research Challenges, Approaches, and Preliminary Results

Münster,

Maiwald,

Bruschke

et al. 2024

Applied Sciences

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Numerous digital media repositories have been set up during recent decades, each containing plenty of data about historic cityscapes. In contrast, digital 3D reconstructions of no longer extant cityscapes have so far almost solely been performed for specific cases and via manual modelling techniques. Within the Jena4D research group, we are investigating and developing methods and technologies for transferring historical media and their contextual information into 4D models. The next step will be to automate this process and extend it to the world scale. Our team are working on different facets of that endeavor: retrieving images, text, and object data from public sources; crowdsourcing and collecting qualitative data from contests and pupil labs; processing historical plans and photographs to extract spatial data; location-based mobile visualization; and collection-browsing interfaces. This article is intended to highlight (1) current challenges, (2) the state of the art, (3) our approach to 4D modelling and visualization on the world scale, and (4) results from testing demo cases in Dresden, Jena, and Amsterdam.

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Section: Data Visualizationmentioning

confidence: 99%

Section: Four-dimensional Browser and Visualizationsmentioning

confidence: 99%

A Digital 4D Information System on the World Scale: Research Challenges, Approaches, and Preliminary Results

Münster,

Maiwald,

Bruschke

et al. 2024

Applied Sciences

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“…It comprises a 3D dataset of ~1000 buildings provided by the municipality of the current city of Dresden, a 3D dataset of ~100 buildings of Dresden in the 1930s and a set of 2.500 historical images taken from the Deutsche Fotothek. The 4D Browser interface has been employed since 2019 by the Saxon University and State Library as an alternative interface to the Dresden image collections (Muenster et al, 2021a). 4) 4D mobile views of historical Jena: the city visualisation (Figure 5) has been created based on LoD2 model data from the municipality of Jena.…”

Section: ) Sion Time Machine (Ch)mentioning

confidence: 99%

Methods, Data and Tools for Facilitating a 3d Cultural Heritage Space

Farella,

Rigon,

Remondino

et al. 2024

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. In recent years, the cultural heritage (CH) sector has experienced a rapid evolution due to the introduction of increasingly powerful digital technologies and ICT (Information and Communication Technologies) solutions. As for many other domains, digital data, Artificial Intelligence (AI), and Extended Reality (XR) are opening up extraordinary opportunities for expanding heritage knowledge capabilities while boosting the research on innovative solutions for its valorisation and preservation. Being aware of the fundamental and strategic role of CH in the history and identity of the European countries, the European Commission has assumed a central role in fuelling the policy debate and putting together stakeholders to take a step forward in CH digitization and use, primarily through initiatives, programs, and recommendations. Within this framework, the ongoing European 5DCulture project (https://www.5dculture.eu/) has been funded to enrich the offer of 3D CH digital assets in the common European Data Space for Cultural Heritage by creating high-quality 3D contents and to foster their re-use in several sectors, from tourism to education. Through 8 re-use scenarios around historic buildings and cityscapes, archaeology, and fashion, the project aims to deliver a set of digital tools and increase the capacity of CH institutions to more effectively re-use their 3D digital assets.

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“…The research area is focused on the city of Dresden, Germany, as it is possible to connect to the existing structure and data of the 4D browser developed in the UrbanHistory4D [23] project. It includes 3D city models of the urban center ranging from level of detail 2 (LOD 2) to LOD 3, with some of the models being texturized.…”

Section: Datamentioning

confidence: 99%

Giving Historical Photographs a New Perspective: Introducing Camera Orientation Parameters as New Metadata in a Large-Scale 4D Application

et al. 2023

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The ongoing digitization of historical photographs in archives allows investigating the quality, quantity, and distribution of these images. However, the exact interior and exterior camera orientations of these photographs are usually lost during the digitization process. The proposed method uses content-based image retrieval (CBIR) to filter exterior images of single buildings in combination with metadata information. The retrieved photographs are automatically processed in an adapted structure-from-motion (SfM) pipeline to determine the camera parameters. In an interactive georeferencing process, the calculated camera positions are transferred into a global coordinate system. As all image and camera data are efficiently stored in the proposed 4D database, they can be conveniently accessed afterward to georeference newly digitized images by using photogrammetric triangulation and spatial resection. The results show that the CBIR and the subsequent SfM are robust methods for various kinds of buildings and different quantity of data. The absolute accuracy of the camera positions after georeferencing lies in the range of a few meters likely introduced by the inaccurate LOD2 models used for transformation. The proposed photogrammetric method, the database structure, and the 4D visualization interface enable adding historical urban photographs and 3D models from other locations.

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Where Are We Now on the Road to 4d Urban History Research and Discovery?

Cited by 7 publications

References 31 publications

A Digital 4D Information System on the World Scale: Research Challenges, Approaches, and Preliminary Results

A Digital 4D Information System on the World Scale: Research Challenges, Approaches, and Preliminary Results

Methods, Data and Tools for Facilitating a 3d Cultural Heritage Space

Giving Historical Photographs a New Perspective: Introducing Camera Orientation Parameters as New Metadata in a Large-Scale 4D Application

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