Photogrammetric Measurements of Heritage Objects

Tumelienė, Eglė; Nareiko, Viktor; Visockienė, Jūratė Sužiedelytė

doi:10.5194/isprs-annals-iv-5-w1-71-2017

Cited by 8 publications

(10 citation statements)

References 7 publications

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“…Drone-based surveying with image-based technologies enables fairly accurate threedimensional models to be obtained, which, eventually integrated with other surveying techniques, have been shown to lead to satisfactory results. (Luhmann et al, 2014;Remondino & El-Hakim, 2006;Tumeliene et al, 2017).…”

Section: Related Workmentioning

confidence: 99%

Survey, Stratigraphy of the Elevations, 3d Modelling for the Knowledge and Conservation of Archaeological Parks: The Castle of Avella

D'Aprile

Piscitelli

2019

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

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<p><strong>Abstract.</strong> The site of Avella is a precious example of ruined medieval fortification with territorial and landscape values. The width and vulnerability of its masonry remnants require a systematic survey and physical investigation, necessary to any preservation and enhancement strategy planning, so far, not yet extended to the fronts of the fortress and the two walled lines. The understanding of the process, scientifically based, which over time has led the buildings to the present state of fragmentation has the same need. Obtain with expedited methods and customary instruments a photogrammetrically controlled survey, the stratigraphic study of the castle elevations and the processing of a photo-based 3D model is therefore the aim of the paper. Carried out on an interdisciplinary basis, it comes from the extension of the outcomes of a didactic workshop in master’s degree courses in Architectural Survey and Restoration Design, held in 2018. The surveying procedure with the drone proved to be the most suitable, also for the possibility of an expeditious and cheaper measurement phase compared to other surveying methods. The results comprise the fortress georeferenced ortho-photomosaic and its photo-based 3D model, then exported both as a point cloud and a 3D mesh. The workshop also implemented topography and terrestrial photogrammetry procedures, such as to be compared with the previous one.</p>

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Section: Related Workmentioning

confidence: 99%

Survey, Stratigraphy of the Elevations, 3d Modelling for the Knowledge and Conservation of Archaeological Parks: The Castle of Avella

D'Aprile

Piscitelli

2019

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

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“…Furthermore, the image processing may have other limitations, such as poor image quality, low resolution, inappropriate configuration of photographs, "high noise" 2 , etc. This issue is sometimes referred to as historical photogrammetry [6,8,[10][11][12]. This paper is focused on the processing of digitized terrestrial photographs from metric cameras, such as the Zeiss Universal Metric Cameras (UMK) and the TAN photo-theodolite, which is based on the calibration reports of the used cameras.…”

Section: No /mentioning

confidence: 99%

“…Furthermore, this paper presents a methodology according to the internal parameters of the metric camera that can be used in the image processing in the current photogrammetric systems. Currently, it is common practice that the issue of identifying the elements of the internal orientation is neglected in the processing of digitized photographs and the issue is left to solve by the self-calibration process in the used photogrammetric system [1][2][3][4][5][6][9][10][11][12].…”

Section: No /mentioning

confidence: 99%

“…Their final geometric and image quality are dependent on the underlying data, i.e. terrestrial GSD = 7.67 mm pix ; P ixel size = 25.4 mm 2400 DP I = 0.0106 mm pix 10 In 2D metric survey documentation, i.e. typically drawings, the point cloud deviations from the reference flat approximately correspond to the thickness of the thinnest lines in drawings.…”

Section: Orthophoto Mosaicmentioning

confidence: 99%

“…Historical objects may be e.g. buildings [7][8][9], sculptures, paintings [10], archaeological sites [11,12], natural sites [13], etc.…”

Section: Introductionmentioning

confidence: 99%

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3d Digital Reconstruction Based on Archived Terrestrial Photographs From Metric Cameras

2019

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The paper deals with the possibilities and limitations of the image processing of digitalized terrestrial photographs from analogue metric cameras. By the end of the 20th century, analogue metric cameras such as Zeiss UMK were used for documentation purposes in the fields of industrial and investment construction, nature and landscape preservation, heritage preservation, etc. Currently, the collections of photographs are stored at specialized archives of many different institutions, such as libraries, museums, universities, etc. These sets of photographs provide a material background for a 3D digital reconstruction of a subject of interest at the time of taking the photographs. The digital image processing of old photographs may be more difficult due to unknown parameters of the used camera, such as the focal length, image coordinates of the fiducial marks and distortion parameters of the lens system, etc. In this case, it may be difficult to process these photographs in a photogrammetric software. The paper presents a methodology for the digital photogrammetric processing of analogue terrestrial photographs. The data processing is based on the parameters of the used metric cameras, which are described in their calibration reports. The image processing was tested in two commercial photogrammetric software tools that utilize the technology of Structure-from-Motion (SfM) or multiimage intersection photogrammetry to process image datasets.

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