Die Canabae von Carnuntum – eine Modellstudie der Erforschung römischer Lagervorstädte : Von der Luftbildprospektion zur siedlungsarchäologischen Synthese

Doneus, Michael; Gugl, Christian; Doneus, Nives

doi:10.26530/oapen_441664

Cited by 15 publications

(18 citation statements)

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“…To date, researchers generally apply a few processing techniques such as Principal Component Analysis (PCA; Aqdus et al, 2008;Coren et al, 2005;Traviglia, 2006a) and various vegetation indices (Bennett et al, 2012;Cavalli et al, 2007;Emmolo et al, 2004;Traviglia, 2006b) to reduce the data complexity and extract archaeologically valid information.…”

Section: Ais Information Extractionmentioning

confidence: 99%

“…Although airborne multi-spectral imaging is one of these approaches (e.g. Winterbottom and Dawson, 2005), truly increased spectral resolution is only obtained by airborne hyperspectral scanning (AHS) also called airborne imaging spectroscopy (AIS) (Aqdus et al, 2007(Aqdus et al, , 2008(Aqdus et al, , 2012Barnes, 2003;Bassani et al, 2009aBassani et al, , 2009bBennett et al, 2012Bennett et al, , 2013Cavalli et al, 2007Cavalli et al, , 2012Cavalli, 2013;Cavalli and Pignatti, 2001;Challis et al, 2009;Coren et al, 2005;Emmolo et al, 2004;Forte et al, 2011;Merola, 2005;Merola et al, 2007Merola et al, , 2008Pietrapertosa et al, 2008;Traviglia, 2005Traviglia, , 2006aTraviglia, , 2006bTraviglia, , 2008White, 2003). The success rate in terms of detection of archaeological subsurface structures is varying, however, and less successful applications seem to be connected with the lower spatial resolution of the acquired datasets (in most cases ranging from 4 m to e at best e 1 m).…”

Section: Introductionmentioning

confidence: 99%

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New ways to extract archaeological information from hyperspectral pixels

Doneus

Verhoeven

Atzberger

et al. 2014

Journal of Archaeological Science

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a b s t r a c tAirborne remote sensing for archaeology is the discipline that encompasses the study of archaeological remains using data collected from an airborne platform by means of digital or film-based aerial photography, airborne laser scanning, hyperspectral imaging etc. So far, airborne hyperspectral scanning or e more accurately e airborne imaging spectroscopy (AIS) has occupied only a very small niche in the field of archaeological remote sensing: besides reasons of cost, the common archaeologically-insufficient ground-sampling distance can be considered the main limiting factor. Moreover, the technical processing of these data sets with a high level of potential redundancy needs specialized software. Typically, calculation of band ratios and a principal component analysis are applied. As a result, the few practical applications of archaeological AIS have not been entirely convincing so far. The aim of this paper is to present new approaches for analysing archaeological AIS data. The imagery under study has a groundsampling distance of 40 cm and covers the Roman town of Carnuntum (Austria). Using two algorithms embedded in a specifically developed MATLAB ® toolbox, it will be shown how the extracted archaeological information can be enhanced from high-resolution hyperspectral images. A comparison with simultaneously acquired vertical photographs will indicate the specific advantages of high-resolution AIS data and the gain one can obtain when exploiting its potential using any of the newly presented methods.

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Section: Ais Information Extractionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

New ways to extract archaeological information from hyperspectral pixels

Doneus

Verhoeven

Atzberger

et al. 2014

Journal of Archaeological Science

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“…__________________ 25 Crutchley, Crow 2009, 11;Doneus, Kühteiber 2013, 35-39. 26 Crutchley, Crow 2009Pietrzak 2012, 20.…”

Section: Przetwarzanie Chmury Punktów -Nmt Nmpt (Tin Grid)mentioning

confidence: 99%

Archeologia w chmurze punktów. Porównanie rezultatów filtracji i klasyfikacji gruntu w projekcie ISOK z wynikami opracowanymi w oprogramowaniu LAStools i Terrasolid

Kiarszys

Szalast

2014

10.14746/fpp

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ABSTRACT. This paper is an attempt to compare selected software options for processing of LiDAR data. It is focused on filtration and classification of the ground points for the purpose of archaeological sites identification. We confronted popular commercial Terrasolid software with LAStools released under the LGPL license. To accomplish this task we used data gathered in the frame of ISOK project (Computerized Information System of Country Protection from Extraordinary Hazards), implemented in Poland several years ago. In order to examine the effectiveness of the software algorithms we selected well-known archeological sites of various landforms (barrows, megaliths, hill forts) to perform the test. Obtained results were compared with the classification provided within the source data of the ISOK project. It allowed us to indicate the advantages and disadvantages of each tested solutions. WSTĘPKażda próba wykorzystania nowej metody pociąga za sobą potrzebę jej krytyki. Zdobyte w ten sposób doświadczenia okazują się niezbędne w procesie interpretacji rezultatów badań. Upowszechnienie się w ostatnich latach lotniczego skaningu laserowego (ang. ALS -Airborne Laser Scanning) stworzyło dla archeologii nowe źródło informacji o olbrzymim potencjale. Lotniczy LiDAR daje możliwość uzy-

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“…In order to study the multi-wavelength ALS data for the application in archaeological prospection the Roman site of Carnuntum, once capital of the Roman province Pannonia, was selected. Here the buried Roman remains of two cities (the Canabae legionis around the legionary fortress and the civil town west of it) often become visible due to difference in vegetation growth on top of the arcchaeological remains (so called cropmarks -see also Doneus et al 2013). In the following subsections a brief description of the individual flight missions is provided.…”

Section: General Remarksmentioning

confidence: 99%

“…This section is intended to compare the features of the presented second flight mission (calibrated 1550nm reflectance image) with a further ALS flight (data acquisition at the 18 th of June 2012 with a RIEGL Q680i) of the study area with the same ALS wavelength. Furthermore, the results of a systematic air photo interpretation are available (Doneus et al 2013). The results of one test area in the eastern part of the study site (approx.…”

Section: Archaeological Features Observed With Different Wavelengthsmentioning

confidence: 99%

Multi-Wavelength Airborne Laser Scanning for Archaeological Prospection

Briese

Pfennigbauer²,

Ullrich³

et al. 2013

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

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ABSTRACT:Airborne laser scanning (ALS) is a widely used technique for the sampling of the earth's surface. Next to the widely used geometric information current systems provide additional information about the signal strength of each echo. In order to utilize this information, radiometric calibration is essential. As a result physical observables that characterise the backscatter characteristic of the sensed surface are available. Due to the active illumination of the surfaces these values are independent of shadows caused by sunlight and due to the simultaneously recorded 3D information a single-channel true orthophoto can be directly estimated from the ALS data. By the combination of ALS data utilizing different laser wavelengths a multi-wavelength orthophoto of the scene can be generated. This contribution presents, next to the practical calibration workflow, the radiometric calibration results of the archaeological study site Carnuntum (Austria). The area has been surveyed at three different ALS wavelengths within a very short period of time. After the radiometric calibration of each single ALS wavelength (532nm, 1064nm and 1550nm) a multi-channel ALS orthophoto is derived. Subsequently, the radiometric calibration results of the single-and multi-wavelength ALS data are studied in respect to present archaeological features. Finally, these results are compared to the radiometric calibration results of an older ALS data acquisition campaign and to results of a systematic air photo interpretation.

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Die Canabae von Carnuntum – eine Modellstudie der Erforschung römischer Lagervorstädte : Von der Luftbildprospektion zur siedlungsarchäologischen Synthese

Cited by 15 publications

References 0 publications

New ways to extract archaeological information from hyperspectral pixels

New ways to extract archaeological information from hyperspectral pixels

Archeologia w chmurze punktów. Porównanie rezultatów filtracji i klasyfikacji gruntu w projekcie ISOK z wynikami opracowanymi w oprogramowaniu LAStools i Terrasolid

Multi-Wavelength Airborne Laser Scanning for Archaeological Prospection

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