3d Model of Al Zubarah Fortress in Qatar - Terrestrial Laser Scanning vs. Dense Image Matching

Kersten, Thomas P.; Mechelke, Klaus; Maziull, L.

doi:10.5194/isprsarchives-xl-5-w4-1-2015

Cited by 34 publications

(31 citation statements)

References 10 publications

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“…Results showed that software makes a difference and the results are not always consistent. A similar study by Kersten et al (2015) using various well-known software packages concluded that image based models could not achieve the same accuracy as laser scanning.…”

Section: Related Workmentioning

confidence: 99%

Evaluation of Low-Cost Terrestrial Photogrammetry for 3d Reconstruction of Complex Buildings

Altman¹,

Xiao²,

Grayson³

2017

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:Terrestrial photogrammetry is an accessible method of 3D digital modelling, and can be done with low-cost consumer grade equipment. Globally there are many undocumented buildings, particularly in the developing world, that could benefit from 3D modelling for documentation, redesign or restoration. Areas with buildings at risk of destruction by natural disaster or war could especially benefit. This study considers a range of variables that affect the quality of photogrammetric results. Different point clouds of the same building are produced with different variables, and they are systematically tested to see how the output was affected. This is done by geometrically comparing them to a laser scanned point cloud of the same building. It finally considers how best results can be achieved for different applications, how to mitigate negative effects, and the limits of this technique.

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Section: Related Workmentioning

confidence: 99%

Evaluation of Low-Cost Terrestrial Photogrammetry for 3d Reconstruction of Complex Buildings

Altman¹,

Xiao²,

Grayson³

2017

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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“…UAV are ever more frequently used for similar mapping projects (Cardenal et Al. 2016, Kersten et Al. 2015, Fallavolita et Al.…”

Section: Documentation Of Areas Inaccessible To Ground Surveys With Uavmentioning

confidence: 99%

Digital Workflow for the Acquisition and Elaboration Of 3d Data in a Monumental Complex: The Fortress of Saint John the Baptist in Florence

Tucci

Bonora

Conti

et al. 2017

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

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ABSTRACT:In recent years, the GeCo Laboratory has undertaken numerous projects to digitalize vast and complex buildings; the specific nature of the different projects has resulted in a case-by-case approach, each time working on past experiences and updating not only the hardware and software tools but also the management and processing methods. This paper presents the workflow followed for the survey of the Fortress of Saint John the Baptist in Florence, an on-going interdisciplinary project. Presently Florence's main trade fair congress centre, at the same time it hosts various buildings that bear witness to the fortress's life-history, combining constructions from the Medici and Lorraine eras with recently built exhibition facilities. Now new research has been required due to the realization of new pavilions and the regeneration of the whole complex. This has included a critical survey, material testing, diagnostic investigations and stratigraphic analyses to define the building's state of preservation.

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“…It enabled the automatic modeling of objects using photos made from both ground stations or UAVs. The applications that enable 3D modeling based on digital photos mainly use such algorithms as SfM (Structure from Motion), DIM (Dense Image Maching), which are generally available and do not require the author's approval to using or editing them [8]. Apart from classic modeling methods based on photos the following methods are also used: shape from the shadow, shape from the texture or shape from the contours [11] Modeling based on photos is used in many applications.…”

Section: Modeling Based On Panoramasmentioning

confidence: 99%

A comparison of accuracy between point clouds from convergent images and spherical panoramas

Szlapińska¹,

Tokarczyk²

2017

geom

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3d Model of Al Zubarah Fortress in Qatar - Terrestrial Laser Scanning vs. Dense Image Matching

Cited by 34 publications

References 10 publications

Evaluation of Low-Cost Terrestrial Photogrammetry for 3d Reconstruction of Complex Buildings

Evaluation of Low-Cost Terrestrial Photogrammetry for 3d Reconstruction of Complex Buildings

Digital Workflow for the Acquisition and Elaboration Of 3d Data in a Monumental Complex: The Fortress of Saint John the Baptist in Florence

A comparison of accuracy between point clouds from convergent images and spherical panoramas

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