Fieldwork in Geosciences assisted by ARGeo: A mobile Augmented Reality system

Gazcón, Nicolás Fernando; Nagel, Juan Manuel Trippel; Bjerg, Ernesto; Castro, Silvia Mabel

doi:10.1016/j.cageo.2018.09.004

Cited by 25 publications

(12 citation statements)

References 13 publications

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“…Most common is a small handheld size; this is the size of the original WiM [44] and is shared by many modern examples, including those developed by Coffey et al [11] (Figure 3b). At the other end of the spectrum, the WiMs in Gazcón et al 's ARGeo tool [18] (Figure 3f) exist as an overlay on top of the real visible environment, making the replica effectively hundreds of meters across. The scope of what is contained within a WiM is similarly broad; slice WiM [11,12] (Figure 4a) was designed for exploring single objects, and was used to navigate within a heart.…”

Section: Design Dimensionsmentioning

confidence: 99%

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A Design Space Exploration of Worlds in Miniature

Danyluk

Ens

Jenny

et al. 2021

Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

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Fig. 1. The seven design dimensions we explore for Worlds-in-Miniature (WiMs) alongside sketches of two potential future WiMs. The left sketch shows a WiM that spans the viewer's body, while the right shows a WiM-based overview+detail navigation tool.Worlds-in-Miniature (WiMs) are interactive worlds within a world and combine the advantages of an input space, a cartographic map, and an overview+detail interface. They have been used across the extended virtuality spectrum for a variety of applications.Building on an analysis of examples of WiMs from the research literature we contribute a design space for WiMs based on seven design dimensions. Further, we expand upon existing definitions of WiMs to provide a definition that applies across the extended reality spectrum. We identify the design dimensions of size-scope-scale, abstraction, geometry, reference frame, links, multiples, and virtuality. Using our framework we describe existing Worlds-in-Miniature from the research literature and reveal unexplored research areas. Finally, we generate new examples of WiMs using our framework to fill some of these gaps. With our findings, we identify opportunities that can guide future research into WiMs. CCS Concepts: • Human-centered computing → Visualization theory, concepts and paradigms; Visualization techniques.

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Section: Design Dimensionsmentioning

confidence: 99%

“…Very Small <10 cm Small 10-30 cm WiM that shows an entire building [21], (e) a WiM that shows a city block [49], (f) a WiM that shows a city-sized natural park [18], (g) a WiM that shows a country [30], (h) a WiM showing a star system [26]. Images reused with permission.…”

Section: Design Dimensionsmentioning

confidence: 99%

A Design Space Exploration of Worlds in Miniature

Danyluk

Ens

Jenny

et al. 2021

Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

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“…Mobile augmented reality has only been applied to the geological and environmental context in the last few years. The authors in [23] developed a new AR software for fieldwork, such as the interpretation of folded structures in a mobile augmented reality environment. Reference [24] developed a novel AR system for abandoned mine hazard site investigation by visualizing mine drifts, boreholes and underground water in a mobile augmented reality environment.…”

Section: Introductionmentioning

confidence: 99%

“…In mobile augmented reality realizations, there exist various strategies for camera pose estimation [25] including sensor-based [23,24], marker-based [26], SLAM-based [27], and model-based methods [28,29], from which the most suitable approach should be selected for the scenario of rockfall AR mapping. The sensor-based method utilizes GPS, IMU, depth cameras, and other sensors embedded in mobile devices, and this type of approach cannot meet the accuracy demands for aligning 3D models with the intricate fractured rock mass surface.…”

Section: Introductionmentioning

confidence: 99%

Augmented Reality Mapping of Rock Mass Discontinuities and Rockfall Susceptibility Based on Unmanned Aerial Vehicle Photogrammetry

et al. 2019

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In rockfall hazard management, the investigation and detection of potential rockfall source areas on rock cliffs by remote-sensing-based susceptibility analysis are of primary importance. However, when the rockfall analysis results are used as feedback to the fieldwork, the irregular slope surface morphology makes it difficult to objectively locate the risk zones of hazard maps on the real slopes, and the problem of straightforward on-site visualization of rockfall susceptibility remains a research gap. This paper presents some of the pioneering studies on the augmented reality (AR) mapping of geospatial information from cyberspace within 2D screens to the physical world for on-site visualization, which directly recognizes the rock mass and superimposes corresponding rock discontinuities and rockfall susceptibility onto the real slopes. A novel method of edge-based tracking of the rock mass target for mobile AR is proposed, where the model edges extracted from unmanned aerial vehicle (UAV) structure-from-motion (SfM) 3D reconstructions are aligned with the corresponding actual rock mass to estimate the camera pose accurately. Specifically, the visually prominent edges of dominant structural planes were first explored and discovered to be a robust visual feature of rock mass for AR tracking. The novel approaches of visual-geometric synthetic image (VGSI) and prominent structural plane (Pro-SP) were developed to extract structural planes with identified prominent edges as 3D template models which could provide a pose estimation reference. An experiment verified that the proposed Pro-SP template model could effectively improve the edge tracking performance and quality, and this approach was relatively robust to the changes of sunlight conditions. A case study was carried out on a typical roadcut cliff in the Mentougou District of Beijing, China. The results validate the scalability of the proposed mobile AR strategy, which is applicable and suitable for cliff-scale fieldwork. The results also demonstrate the feasibility, efficiency, and significance of the geoinformation AR mapping methodology for on-site zoning and locating of potential rockfalls, and providing relevant guidance for subsequent detailed site investigation.

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“…Around two decades ago, a reality-virtuality continuum (Figure 1.2) was already proposed by Milgram & Kishino (1994) to mix the real environment with a virtual environment, while AR, in which the virtual augments the real, was placed along this continuum. Later on, AR has been identified as one of the technical trends in education (Dunleavy & Dede, 2014;Wu, Lee, Chang, & Liang, 2013) and it has received scientific research attention within geography (Carbonell Carrera & Bermejo Asensio, 2017;de Almeida Pereira et al, 2017;Gazcón et al, 2018) in recent years. Although AR is a powerful innovative teaching tool in geography and topography (Carbonell Carrera & Bermejo Asensio, 2017), its potential in teaching is just started.…”

Section: Introductionmentioning

confidence: 99%

User-centered design of a mobile application using a combination of augmented reality and maps for geo-fieldwork education

Wang¹

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Fieldwork in Geosciences assisted by ARGeo: A mobile Augmented Reality system

Cited by 25 publications

References 13 publications

A Design Space Exploration of Worlds in Miniature

A Design Space Exploration of Worlds in Miniature

Augmented Reality Mapping of Rock Mass Discontinuities and Rockfall Susceptibility Based on Unmanned Aerial Vehicle Photogrammetry

User-centered design of a mobile application using a combination of augmented reality and maps for geo-fieldwork education

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