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Browsing by Subject "Geometrical optics"

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Automated extraction of the Antarctic coastline using snakes

Klinger, T.; Heipke, Christian; Ott, N.; Schenke, H.W.; Ziems, M. (Göttingen : Copernicus GmbH, 2010)

In this paper we present an automatic approach for coastline detection from images which is based on parametric active contours (snakes). Snakes require the definition of an energy functional that reflects the underlying ...
Characteristics and accuracy of large area covering height models

Jacobsen, Karsten (Göttingen : Copernicus GmbH, 2013)

Large area covering height models are dominantly based on optical and synthetic aperture radar (SAR) space imagery. The vertical accuracy of individual object points determined by automatic matching of optical imagery is ...
Cloud detection based on high resolution stereo pairs of the geostationary meteosat images

Dehnavi, Sahar; Maghsoudi, Yasser; Zakšek, Klemen; Zoej, Mohammad Javad Valadan; Seckmeyer, Gunther; Skripachev, Vladimir (Basel : MDPI AG, 2020)

Due to the considerable impact of clouds on the energy balance in the atmosphere and on the earth surface, they are of great importance for various applications in meteorology or remote sensing. An important aspect of the ...
Problems and limitations of satellite image orientation for determination of height models

Jacobsen, Karsten (Göttingen : Copernicus GmbH, 2017)

The usual satellite image orientation is based on bias corrected rational polynomial coefficients (RPC). The RPC are describing the direct sensor orientation of the satellite images. The locations of the projection centres ...
Stress-induced transformation in a Ni-Mn-In alloy and the concomitant change of resistivity

Kokorin, V.V.; Konoplyuk, S.M.; Dalinger, A.; Thürer, S.; Gerstein, Gregory; Mashirov, A.; Stetskiv, Y.P.; Maier, Hans Jürgen (Les Ulis : EDP Sciences, 2015)

In this work, the influence of mechanical stress on magnetic properties and electric resistance of a Ni-Mn- In alloy was studied. It is shown that compression of Ni-Mn-In polycrystalline specimens brings about a stressinduced ...
The June 2020 Aniangzhai landslide in Sichuan Province, Southwest China: slope instability analysis from radar and optical satellite remote sensing data

Xia, Zhuge; Motagh, Mahdi; Li, Tao; Roessner, Sigrid (Berlin ; Heidelberg : Springer, 2022)

A large, deep-seated ancient landslide was partially reactivated on 17 June 2020 close to the Aniangzhai village of Danba County in Sichuan Province of Southwest China. It was initiated by undercutting of the toe of this ...
Thermal IR imaging: Image quality and orthophoto generation

Sledz, A.; Unger, J.; Heipke, C. (Göttingen : Copernicus GmbH, 2018)

This paper deals with two aspects of photogrammetric processing of thermal images: image quality and 3D reconstruction quality. The first aspect of the paper relates to the influence of day light on Thermal InfraRed (TIR) ...
Visualization of mobile mapping data via parallax scrolling

Eggert, Daniel; Schulze, E.C. (Göttingen : Copernicus, 2014)

Visualizing big point-clouds, such as those derived from mobile mapping data, is not an easy task. Therefore many approaches have been proposed, based on either reducing the overall amount of data or the amount of data ...

Now showing items 1-8 of 8

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Browsing by Subject "Geometrical optics"

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