cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
3D feature point extraction from LiDAR data using a neural network
Creators: name: Feng, Yu
name: Schlichting, Alexander
name: Brenner, Claus
Publisher: name: Göttingen : Copernicus GmbH
Year: 2016
Subjects: subject: 3D feature points extraction
subject: LiDAR
subject: Mobile mapping system
subject: Neural network
subject: Backpropagation
subject: Backpropagation algorithms
subject: Edge detection
subject: Extraction
subject: Image matching
subject: Neural networks
subject: Poles
subject: Remote sensing
subject: Vehicles
subject: Autonomous driving
subject: Corner detector
subject: Feature point extraction
subject: Feature points extraction
subject: Lidar point clouds
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften
subject: Dewey Decimal Classification::500 | Naturwissenschaften::520 | Astronomie, Kartographie

description: Accurate positioning of vehicles plays an important role in autonomous driving. In our previous research on landmark-based positioning, poles were extracted both from reference data and online sensor data, which were then matched to improve the positioning accuracy of the vehicles. However, there are environments which contain only a limited number of poles. 3D feature points are one of the proper alternatives to be used as landmarks. They can be assumed to be present in the environment, independent of certain object classes. To match the LiDAR data online to another LiDAR derived reference dataset, the extraction of 3D feature points is an essential step. In this paper, we address the problem of 3D feature point extraction from LiDAR datasets. Instead of hand-crafting a 3D feature point extractor, we propose to train it using a neural network. In this approach, a set of candidates for the 3D feature points is firstly detected by the Shi-Tomasi corner detector on the range images of the LiDAR point cloud. Using a back propagation algorithm for the training, the artificial neural network is capable of predicting feature points from these corner candidates. The training considers not only the shape of each corner candidate on 2D range images, but also their 3D features such as the curvature value and surface normal value in z axis, which are calculated directly based on the LiDAR point cloud. Subsequently the extracted feature points on the 2D range images are retrieved in the 3D scene. The 3D feature points extracted by this approach are generally distinctive in the 3D space. Our test shows that the proposed method is capable of providing a sufficient number of repeatable 3D feature points for the matching task. The feature points extracted by this approach have great potential to be used as landmarks for a better localization of vehicles.
Mathisson's helical motions for a spinning particle --- are they unphysical?
Creators: name: Costa, L. Filipe O.
name: Herdeiro, Carlos A. R.
name: Natário, José
name: Zilhão, Miguel
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: It has been asserted in the literature that Mathisson's helical motions are unphysical, with the argument that their radius can be arbitrarily large. We revisit Mathisson's helical motions of a free spinning particle, and observe that such statement is unfounded. Their radius is finite and confined to the disk of centroids. We argue that the helical motions are perfectly valid and physically equivalent descriptions of the motion of a spinning body, the difference between them being the choice of the representative point of the particle, thus a gauge choice. We discuss the kinematical explanation of these motions, and we dynamically interpret them through the concept of hidden momentum. We also show that, contrary to previous claims, the frequency of the helical motions coincides, even in the relativistic limit, with the zitterbewegung frequency of the Dirac equation for the electron.
[Segl tilhørende Jacob Nicolai Wilse]
Creators: name: Wilse, Jacob Nicolai
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: Skjoldet sinister skrådelt av en bjelke med i 1. felt fast på delingen et hus, og tre steiner med hvert sitt grantre, i 2. felt to bjelkevis stilte piler, den øverst sinistervendt, og fulgt av tre bølgeformete bjelker. På den skråstilte bjelken teksten PER ARDUA.
description: Blasonering av hjelmtegnet: Fire piler med to fra hverandre vendte og oppvoksende mellom dem to krysslagte nedvendte. Deromkring bokstavene J N.
description: Film: F II 2763
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
[Segl tilhørende Henric Christian Wirring]
Creators: name: Wirring, Henric Christian
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: Ikke skjold. I seglet et latinsk kors, dexter et lam, sinister et liggende anker. Devise i bord rundt: HVOR LENGE CHRISTUS VIL.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
Temperature dependence of electron-spin relaxation in a single InAs quantum dot at zero applied magnetic field
Creators: name: Dou, X. M.
name: Sun, B. Q.
name: Jiang, D. S.
name: Ni, H. Q.
name: Niu, Z. C.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The temperature-dependent electron spin relaxation of positively charged excitons in a single InAs quantum dot (QD) was measured by time-resolved photoluminescence spectroscopy at zero applied magnetic fields. The experimental results show that the electron-spin relaxation is clearly divided into two different temperature regimes: (i) T < 50 K, spin relaxation depends on the dynamical nuclear spin polarization (DNSP) and is approximately temperature-independent, as predicted by Merkulov et al. (ii) T > about 50 K, spin relaxation speeds up with increasing temperature. A model of two LO phonon scattering process coupled with hyperfine interaction is proposed to account for the accelerated electron spin relaxation at higher temperatures.
description: 10 pages, 4 figures
[Segl tilhørende Helle Juel Wisløff]
Creators: name: Wisløff, Helle Juel
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: Skjoldet kløvd i blått og sølv. I 1. felt en åtteoddet sølv stjerne, i 2. felt en fremkommende, blå harniskkledt arm holdende en grønn kvist med tre blad.
description: Blasonering av hjelmtegnet: På hjelmen to blå (?) harniskkledte armer holdende i øverste odder av en åtteoddet sølv stjerne.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
Comparison of target-and mutual informaton based calibration of terrestrial laser scanner and digital camera for deformation monitoring
Creators: name: Omidalizarandi, Mohammad
name: Neumann, Ingo
Publisher: name: Göttingen : Copernicus GmbH
Year: 2015
Subjects: subject: Bundle adjustment
subject: Digital camera
subject: Extrinsic calibration
subject: Mutual information
subject: Terrestrial laser scanner
subject: Calibration
subject: Deformation
subject: Digital cameras
subject: Geodesy
subject: Hybrid sensors
subject: Laser applications
subject: Parameter estimation
subject: Remote sensing
subject: Scanning
subject: Seebeck effect
subject: Video cameras
subject: Bundle adjustments
subject: Deformation monitoring
subject: High-resolution digital cameras
subject: Laser tracker measurements
subject: Mutual informations
subject: Terrestrial laser scanners
subject: Variance component estimation
subject: Surveying instruments
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: In the current state-of-the-art, geodetic deformation analysis of natural and artificial objects (e.g. dams, bridges,.) is an ongoing research in both static and kinematic mode and has received considerable interest by researchers and geodetic engineers. In this work, due to increasing the accuracy of geodetic deformation analysis, a terrestrial laser scanner (TLS; here the Zoller+Fröhlich IMAGER 5006) and a high resolution digital camera (Nikon D750) are integrated to complementarily benefit from each other. In order to optimally combine the acquired data of the hybrid sensor system, a highly accurate estimation of the extrinsic calibration parameters between TLS and digital camera is a vital preliminary step. Thus, the calibration of the aforementioned hybrid sensor system can be separated into three single calibrations: calibration of the camera, calibration of the TLS and extrinsic calibration between TLS and digital camera. In this research, we focus on highly accurate estimating extrinsic parameters between fused sensors and target- and targetless (mutual information) based methods are applied. In target-based calibration, different types of observations (image coordinates, TLS measurements and laser tracker measurements for validation) are utilized and variance component estimation is applied to optimally assign adequate weights to the observations. Space resection bundle adjustment based on the collinearity equations is solved using Gauss-Markov and Gauss-Helmert model. Statistical tests are performed to discard outliers and large residuals in the adjustment procedure. At the end, the two aforementioned approaches are compared and advantages and disadvantages of them are investigated and numerical results are presented and discussed.
[Segl tilhørende Niels Wisløff]
Creators: name: Wisløff, Niels
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: Skjoldet kløvd i blått og sølv. I 1. felt en seksoddet sølv stjerne, i 2. felt en fremkommende blå harniskkledt arm holdende en grønn kvist med tre blad.
description: Blasonering av hjelmtegnet: På hjelmen to blå (?) harniskkledte armer, mellom dem en seksoddet sølv stjerne.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
Security Analysis of Vehicular Ad Hoc Networks (VANET)
Creators: name: Samara, Ghassan
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: Vehicular Ad Hoc Networks (VANET) has mostly gained the attention of today's research efforts, while current solutions to achieve secure VANET, to protect the network from adversary and attacks still not enough, trying to reach a satisfactory level, for the driver and manufacturer to achieve safety of life and infotainment. The need for a robust VANET networks is strongly dependent on their security and privacy features, which will be discussed in this paper. In this paper a various types of security problems and challenges of VANET been analyzed and discussed; we also discuss a set of solutions presented to solve these challenges and problems.
description: 6 pages; 2010 Second International Conference on Network Applications, Protocols and Services
[Segl tilhørende Peter Vogt]
Creators: name: Vogt, Peter
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: I skjoldet i blått en gull sinistervendt skråbjelke fulgt over av et tredelt blad og under av en havhest.
description: Blasonering av hjelmtegnet: På hjelmen en mann kledt i frakk og med venstre hånd løftet.
description: Film: F II 2825
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
Attack Prevention for Collaborative Spectrum Sensing in Cognitive Radio Networks
Creators: name: Duan, Lingjie
name: Min, Alexander W.
name: Huang, Jianwei
name: Shin, Kang G.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: Collaborative spectrum sensing can significantly improve the detection performance of secondary unlicensed users (SUs). However, the performance of collaborative sensing is vulnerable to sensing data falsification attacks, where malicious SUs (attackers) submit manipulated sensing reports to mislead the fusion center's decision on spectrum occupancy. Moreover, attackers may not follow the fusion center's decision regarding their spectrum access. This paper considers a challenging attack scenario where multiple rational attackers overhear all honest SUs' sensing reports and cooperatively maximize attackers' aggregate spectrum utilization. We show that, without attack-prevention mechanisms, honest SUs are unable to transmit over the licensed spectrum, and they may further be penalized by the primary user for collisions due to attackers' aggressive transmissions. To prevent such attacks, we propose two novel attack-prevention mechanisms with direct and indirect punishments. The key idea is to identify collisions to the primary user that should not happen if all SUs follow the fusion center's decision. Unlike prior work, the proposed simple mechanisms do not require the fusion center to identify and exclude attackers. The direct punishment can effectively prevent all attackers from behaving maliciously. The indirect punishment is easier to implement and can prevent attacks when the attackers care enough about their long-term reward.
description: 37 pages including 7 figures and 2 tables; IEEE Journal on Selected Areas in Communications with special issue in Cooperative Networking - Challenges and Applications (2012 expected)
Accuracy assessment of mobile mapping point clouds using the existing environment as terrestrial reference
Creators: name: Hofmann, Sabine
name: Brenner, Claus
Publisher: name: Göttingen : Copernicus GmbH
Year: 2016
Subjects: subject: 3D test field
subject: Accuracy assessment
subject: Facades
subject: Mobile mapping
subject: Point cloud
subject: Reference data
subject: Street profile
subject: Total station
subject: Geodesy
subject: Mapping
subject: Remote sensing
subject: Surveys
subject: 3d tests
subject: Traffic signs
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften
subject: Dewey Decimal Classification::500 | Naturwissenschaften::520 | Astronomie, Kartographie

description: Mobile mapping data is widely used in various applications, what makes it especially important for data users to get a statistically verified quality statement on the geometric accuracy of the acquired point clouds or its processed products. The accuracy of point clouds can be divided into an absolute and a relative quality, where the absolute quality describes the position of the point cloud in a world coordinate system such as WGS84 or UTM, whereas the relative accuracy describes the accuracy within the point cloud itself. Furthermore, the quality of processed products such as segmented features depends on the global accuracy of the point cloud but mainly on the quality of the processing steps. Several data sources with different characteristics and quality can be thought of as potential reference data, such as cadastral maps, orthophoto, artificial control objects or terrestrial surveys using a total station. In this work a test field in a selected residential area was acquired as reference data in a terrestrial survey using a total station. In order to reach high accuracy the stationing of the total station was based on a newly made geodetic network with a local accuracy of less than 3 mm. The global position of the network was determined using a long time GNSS survey reaching an accuracy of 8 mm. Based on this geodetic network a 3D test field with facades and street profiles was measured with a total station, each point with a two-dimensional position and altitude. In addition, the surface of poles of street lights, traffic signs and trees was acquired using the scanning mode of the total station. Comparing this reference data to the acquired mobile mapping point clouds of several measurement campaigns a detailed quality statement on the accuracy of the point cloud data is made. Additionally, the advantages and disadvantages of the described reference data source concerning availability, cost, accuracy and applicability are discussed.
title: Verversingstijden voor stroombeelden van neervorming Ossenisse: hoogfrequente modeluitvoer van Delft3D-NeVla voor springtij 12/03/2020
Creators: name: Stark, Jeroen
name: Plancke, Yves
name: Mostaert, Frank
Publisher: name: Flanders Hydraulics Research
Year: 2021

description: Title : WL Rapporten. Waterbouwkundig Laboratorium: Antwerpen Volume : 21_021_1 Issue : Pagination : VII, 20 + 41 p. bijl.
The prices for for-hire marine fishing trips in the southeastern U.S. collected from websites, 2011-2013.
Creators: name: Carter, David W., 1971-
Publisher: name: U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southeast Fisheries Science Center
Year: 2015
Subjects: subject: Charter boat fishing--Prices--South Atlantic States.

description: Information on the prices for for-hire fishing services is needed to understand the economics of the industry. Prices are used along with data on for-hire fishing trip costs and effort to calculate the profitability of the sector. Longer price series can be used to estimate demand and supply relationships for for-hire services that help to predict how trip activity is expected to change with proposed regulations. We can learn a lot about how much different trip features are worth to anglers by examining the variation in prices for for-hire services over space and time Carter & Liese (2010). This is because the prices for for-hire fishing trips are determined in the market and vary depending on the demand for trips by anglers and the supply of trips provided by the for-hire industry. Changes in factors that affect the demand and supply of for-hire services will cause for-hire prices to change over time and space. Therefore, data on prices for multiple periods and geographic locations will allow for better economic analyses.
Masako Shono, Japanisches Aritaporzellan im sogenannten "Kakiemonstil" als Vorbild für die Meißener Porzellanmanufaktur
Creators: name: Jedding, Hermann
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2020

description: Rezension zu: Masako Shono, Japanisches Aritaporzellan im sogenannten "Kakiemonstil" als Vorbild für die Meißener Porzellanmanufaktur. München, Editions Schneider, 1973. 80 S. und 134 z.T. mehrfarbige Abb. DM 35,—.
description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 27 Nr. 12 (1974): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Quantization of the universe as a black hole
Creators: name: Alfonso, Màrius Josep Fullana i
name: Alfonso-Faus, Antonio
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: It has been shown that black holes can be quantized by using Bohr's idea of quantizing the motion of an electron inside the atom. We apply these ideas to the universe as a whole. This approach reinforces the suggestion that it may be a way to unify gravity with quantum theory.
description: 7 pages. Accepted for publication in Astrophysics & Space Science in 25th Octuber 2011
Ausstellungskalender
Creators: name: Redaktion, Die
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2020

description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 27 Nr. 8 (1974): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
A two-layer Conditional Random Field model for simultaneous classification of land cover and land use
Creators: name: Albert, Lena
name: Rottensteiner, Franz
name: Heipke, Christian
Publisher: name: Göttingen : Copernicus GmbH
Year: 2014
Subjects: subject: Conditional Random Fields
subject: Contextual classification
subject: Land use classification
subject: Multi-layer
subject: Image segmentation
subject: Random processes
subject: Urban growth
subject: Classification results
subject: Classification tasks
subject: GraphicaL model
subject: Land use database
subject: Statistical dependencies
subject: Land use
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: This paper proposes a two-layer Conditional Random Field model for simultaneous classification of land cover and land use. Both classification tasks are integrated into a unified graphical model, which is reasonable due to the fact that land cover and land use exhibit strong contextual dependencies. In the CRF, we distinguish a land cover layer and a land use layer. Both layers differ with respect to the entities corresponding to the nodes and the classes to be distinguished. In the land cover layer, the nodes correspond to superpixels extracted from the image data, whereas in the land use layer the nodes correspond to objects of a geospatial land use database. Statistical dependencies between land cover and land use are explicitly modelled as pair-wise potentials. Thus, we obtain a consistent model, where the relations between land cover and land use are learned from representative training data. The approach is designed for input data based on aerial images. Experiments are performed on an urban test site. The experiments show the feasibility of the combination of both classification tasks into one overall approach and investigate the influence of the size of the superpixels on the classification result.
The status of topographic mapping in the world a UNGGIM - ISPRS project 2012-2015
Creators: name: Konecny, G.
name: Breitkopf, Uwe
name: Radtke, A.
Publisher: name: Göttingen : Copernicus GmbH
Year: 2016
Subjects: subject: Global status of mapping
subject: Topographic mapping
subject: Mapping
subject: Military mapping
subject: Navigation systems
subject: Remote sensing
subject: Data coverage
subject: Global data
subject: Map data
subject: MicroSoft
subject: Private industries
subject: Questionnaire surveys
subject: Working groups
subject: Surveys
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften
subject: Dewey Decimal Classification::500 | Naturwissenschaften::520 | Astronomie, Kartographie

description: In December 2011, UNGGIM initiated a cooperative project with ISPRS to resume the former UN Secretariat studies on the status of topographic mapping in the world, conducted between 1968 and 1986. After the design of a questionnaire with 27 questions, the UNGGIM Secretariat sent the questionnaires to the UN member states. 115 replies were received from the 193 member states and regions thereof. Regarding the global data coverage and age, the UN questionnaire survey was supplemented by data from the Eastview database. For each of the 27 questions, an interactive viewer was programmed permitting the analysis of the results. The authoritative data coverage at the various scale ranges has greatly increased between 1986 and 2012. Now, a 30% 1:25 000 map data coverage and a 75% 1:50 000 map data coverage has been completed. Nevertheless, there is still an updating problem, as data for some countries is 10 to 30 years old. Private Industry, with Google, Microsoft and Navigation system providers, have undertaken huge efforts to supplement authoritative mapping. For critical areas on the globe, MGCP committed to military mapping at 1:50 000. ISPRS has decided to make such surveys a sustainable issue by establishing a working group.
Dust particle charge in plasma with ion flow and electron depletion
Creators: name: Douglass, Angela
name: Land, Victor
name: Matthews, Lorin
name: Hyde, Truell
Publisher: name: arXiv
Year: 2011
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: The charge of micrometer-sized dust particles suspended in plasma above the powered electrode of radio-frequency (RF) discharges is studied. Using a self-consistent fluid model, the plasma profiles above the electrode are calculated and the electron depletion towards the electrode, as well as the increasing flow speed of ions towards the electrode, are considered in the calculation of the dust particle floating potential. The results are compared with those reported in literature and the importance of the spatial dust charge variation is investigated.
[Segl tilhørende Uldall]
Creators: name: Uldall
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: Skjoldet kløvd i sølv og blått. I 1. felt en stubbe med grener og blad, i 2. felt en bjelke belagt med to roser og lagt over to krysslagte piler.
description: Blasonering av hjelmtegnet: På hjelmen en halv hund.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
The distribution of galaxy morphological types and the morphology-mass relation in different environments at low redshift
Creators: name: Calvi, Rosa
name: Poggianti, Bianca M.
name: Fasano, Giovanni
name: Vulcani, Benedetta
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We use \sim 2000 galaxies belonging to different environments to show how the fractions of different galaxy morphological types vary with global environment and as function of galaxy stellar mass at low redshift. Considering mass limited galaxy samples with log10 M\star/M\bigodot>= 10.25, we find a smooth increase/decline in the fraction of Es-S0s/late type galaxies going from single galaxies, to binaries, to groups. Considering all environments, the fractional variation is more conspicuous for S0s and late-types than for ellipticals solely due to a sharp enhancement/dearth of S0s/late-types in clusters compared to other environments. The morphological distribution of galaxies in the mass range 10.25 < log10 M\star/M\bigodot < 11 is rather independent both of galaxy stellar mass and global environment, except in clusters. The morphologies of galaxies more massive than log10 M\star/M\bigodot = 11 are instead a function of both galaxy mass and global environment. The morphology-mass relation therefore changes with global environment, showing that galaxy stellar mass cannot be the only parameter driving the morphological distribution of galaxies. The morphology-mass relations for S0 and late-type galaxies in clusters are peculiar compared to other environments, and this strongly suggests that cluster-specific effects act on these two types of galaxies, and that a significant number of S0s in clusters has a different origin with respect to S0s in other environments.
description: 5 pages, 3 figures, 2 tables. MNRAS accepted, in press
Systematic bundle adjustment of HRSC image data
Creators: name: Bostelmann, Jonas
name: Schmidt, R.
name: Heipke, Christian
Publisher: name: Göttingen : Copernicus GmbH
Year: 2012
Subjects: subject: Extra-terrestrial
subject: Mapping
subject: Planetary
subject: Matching
subject: Bundle
subject: Adjustment
subject: Global
subject: Analysis
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: The European Mars Express mission was launched in June 2003 and sent into orbit around Mars. On board the orbiter is the German High Resolution Stereo Camera (HRSC). This multi-line sensor images the Martian surface with a resolution of up to 12 m per pixel in three dimensions and provides RGB and infra-red color information. The usage of the stereoscopic image information for the improvement of the observed position and attitude information via bundle adjustment is important to derive high quality 3D surface models, color orthoimages and other data products. In many cases overlapping image strips of different orbits can be used to form photogrammetric blocks, thus allowing the simultaneous adjustment of the exterior orientation data. This reduces not only local, but also regional inconsistencies in the data. With the growing number of HRSC image strips in this ongoing mission, the size and complexity of potential blocks is increasing. Therefore, a workflow has been built up for the systematic improvement of the exterior orientation using single orbit strips and regional blocks. For a successful bundle adjustment of blocks using multiple image strips a sufficient number of tie points in the overlapping area is needed. The number of tie points depends mainly on the geometric and radiometric quality of the images. This is considered by detailed analysis of the tie point accuracy and distribution. The combination of methods for image pre-processing, tie point matching, bundle adjustment and evaluation of the results in an automated workflow allows for all HRSC images a global assessment of the quality and a systematic selection of data for larger blocks.
Editorial note
Creators: name: Heipke, Christian
Publisher: name: Göttingen : Copernicus GmbH
Year: 2015
Subjects: subject: scientific misconduct
subject: paper withdrawal
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: [No abstract available]
Inhalt
Creators: name: Redaktion, Die
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2020

description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 27 Nr. 9 (1974): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
The contribution of gis and remote sensing in urban land use negotiation in developing countries
Creators: name: Karanja, Faith
name: Lohmann, Peter
Publisher: name: [Wechselnde Verlagsorte] : ISPRS
Year: 2000
Subjects: subject: Change detection
subject: Sustainability
subject: Urban objects
subject: Antennas
subject: Classification (of information)
subject: Developing countries
subject: Land use
subject: Space optics
subject: Sustainable development
subject: Urban planning
subject: Classification procedure
subject: Gis and remote sensing
subject: Negotiation process
subject: Post classification
subject: Remotely sensed imagery
subject: Urban environments
subject: Remote sensing
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: Most of the studies related to urban environments in developing countries focus mainly on particular aspects e.g.communication, residential, vegetated areas, etc. However, planners who are concerned about urban space management are also interested in the distribution and the change extent of the three main spatial domains namely developed, transition and reserved areas. This information facilitates subsequent land use negotiation processes. In this paper, standard classification procedures have been employed to extract this information from remotely sensed imagery such as the ones delivered by the new high resolution satellites, specifically from colour aerial photographs from 1995 and 1998 resampled to a ground resolution of 5m and Landsat TM from 1995. Postclassification analysis revealed comparable results for the 1995 datasets, whereas land use changes were evaluated by comparing the 1995 and 1998 classified images. © 2000 International Society for Photogrammetry and Remote Sensing. All rights reserved.
Ausstellungskalender
Creators: name: Redaktion, Die
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2020

description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 27 Nr. 9 (1974): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
D2.2 Sample Preparation Module
Creators: name: Rodríguez Lorenzo, Laura
name: Quarato, Monica
name: Santos, Marília
name: Espiña, Begoña
name: Queiros, Raquel
name: Mota, Duarte
Publisher: name: Zenodo
Year: 2024

description: The demand for on-site sensors for detection of water contaminants has increased, and the efforts are focused on ways of production autonomous portable devices that would allow fast, accurate, and online detection. To achieve high sensitivity and specificity in any detection technique, sample preparation steps are crucial. For that, this deliverable presents the composition of sample preparation system involving collection, pre-cleaning, clean-up and pre-concentration modules for the automated measuring device in development in WP2.
[Segl tilhørende Thrane (?)]
Creators: name: Thrane (?)
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: I skjoldet i blått en trane.
description: Blasonering av hjelmtegnet: På hjelmen en trane.
description: Merknad: Defekt segl.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
Thermal IR imaging: Image quality and orthophoto generation
Creators: name: Sledz, A.
name: Unger, J.
name: Heipke, C.
Publisher: name: Göttingen : Copernicus GmbH
Year: 2018
Subjects: subject: Photogrammetry
subject: Thermal Infrared Imaging
subject: UAV
subject: Antennas
subject: Geometrical optics
subject: Image acquisition
subject: Image quality
subject: Image reconstruction
subject: Infrared radiation
subject: Signal to noise ratio
subject: Thermography (imaging)
subject: Unmanned aerial vehicles (UAV)
subject: Digital surface model (DSM)
subject: Environmental factors
subject: Geometrical resolution
subject: Global Navigation Satellite Systems
subject: Position and orientations
subject: Thermal infrared images
subject: Thermal infrared imaging
subject: World coordinate systems
subject: Global positioning system
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: 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) images captured by an Unmanned Aerial Vehicle (UAV). Environmental factors such as ambient temperature and lack of sun light affect TIR image quality. We acquire image sequences of the same object during day and night and compare the generated orthophotos according to different metrics like contrast and signal-to-noise ratio (SNR). Our experiments show that performing TIR image acquisition during night time provides a better thermal contrast, regardless of whether we compute contrast over the whole image or over small patches. The second aspect investigated in this work is the potential of using TIR images for photogrammetric tasks such as the automatic generation of Digital Surface Models (DSM) and orthophotos. Due to the low geometrical resolution of a TIR camera and the low image quality in terms of contrast and noise compared to RGB images, the TIR DSM suffers from reconstruction errors and an orthophoto generated using the TIR DSM and TIR images is visibly influenced by those errors. We therefore include measurements of the UAVs positions during image capturing provided by a Global Navigation Satellite System (GNSS) receiver to retrieve position and orientation of TIR and RGB images in the same world coordinate system. To generate an orthophoto from TIR images, they are projected onto the DSM reconstructed from RGB images. This procedure leads to a TIR orthophoto of much higher quality in terms of geometrical correctness.
Crystal electric field parameters for Yb3+ ion in YbRh2Si2
Creators: name: Kutuzov, A. S.
name: Skvortsova, A. M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The tetragonal crystal electric field parameters for Yb3+ ion in YbRh2Si2 are determined from the analysis of the literature data on angle-resolved photoemission, inelastic neutron scattering and electron paramagnetic resonance.
description: 8 pages, 3 figures, 4 tables
Bei der Redaktion eingegangene Neuerscheinungen
Creators: name: Redaktion, Die
Publisher: name: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Year: 2020

description: Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege, Bd. 39 Nr. 2 (1986): Kunstchronik. Monatsschrift für Kunstwissenschaft, Museumswesen und Denkmalpflege
Accounting for the thickness effect in dynamic spherical indentation of a viscoelastic layer: Application to non-destructive testing of articular cartilage
Creators: name: Argatov, I.
name: Daniels, A. U.
name: Mishuris, G.
name: Ronken, S.
name: Wirz, D.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences
subject: 74L15, 74M15, 74D05

description: In recent years, dynamic indentation tests have been shown to be useful both in identification of mechanical properties of biological tissues (such as articular cartilage) and assessing their viability. We consider frictionless flat-ended and spherical sinusoidally-driven indentation tests utilizing displacement-controlled loading protocol. Articular cartilage tissue is modeled as a viscoelastic material with a time-independent Poisson's ratio. We study the dynamic indentation stiffness with the aim of formulating criteria for evaluation the quality of articular cartilage in order to be able to discriminate its degenerative state. In particular, evaluating the dynamic indentation stiffness at the turning point of the flat-ended indentation test, we introduce the so-called incomplete storage modulus. Considering the time difference between the time moments when the dynamic stiffness vanishes (contact force reaches its maximum) and the dynamic stiffness becomes infinite (indenter displacement reaches its maximum), we introduce the so-called incomplete loss angle. Analogous quantities can be introduced in the spherical sinusoidally-driven indentation test, however, to account for the thickness effect, a special approach is required. We apply an asymptotic modeling approach for analyzing and interpreting the results of the dynamic spherical indentation test in terms of the geometrical parameter of the indenter and viscoelastic characteristics of the material. Some implications to non-destructive indentation diagnostics of cartilage degeneration are discussed.
description: 29 pages, 7 Figures
[Segl tilhørende Jens Larsen Tronhuus]
Creators: name: Tronhuus, Jens Larsen
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: I skjoldet et hus med to flaggstenger med vimpler (to på hver) og et løvtre.
description: Blasonering av hjelmtegnet: På hjelmen en sinistervendt fugl.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
[Segl tilhørende Jens Schancke]
Creators: name: Schancke, Jens
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: I skjoldet i gull et panserkledt ben med spore.
description: Blasonering av hjelmtegnet: Mglr. hjelm. Over skjoldet en due med en kvist i nebbet.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
Analysis of height models based on Kompsat-3 images
Creators: name: Büyüksalih, G.
name: Bayburt, S.
name: Jacobsen, K.
Publisher: name: Göttingen : Copernicus GmbH
Year: 2018
Subjects: subject: Area based matching
subject: Height model
subject: Image geometry
subject: Kompsat-3
subject: SGM
subject: Disaster prevention
subject: Disasters
subject: Rock mechanics
subject: Roof coverings
subject: Systematic errors
subject: Tracking radar
subject: Area-based matching
subject: Disaster management
subject: Ground control points
subject: Ground sampling distances
subject: Image geometries
subject: Least-squares matching
subject: Semi-global matching
subject: Stereo image processing
subject: Konferenzschrift
subject: Dewey Decimal Classification::500 | Naturwissenschaften::520 | Astronomie, Kartographie

description: Height models are basic information required for disaster Management. Not in any case satisfying and actual height models are available, but they can be generated by satellite stereo pairs being more precise as InSAR. The Korean Kompsat-3 has a ground sampling distance of 0.71m. A stereo combination covering the main part of Istanbul has been used for the generation of height models. Kompsat-3 images are available as L1R images, corresponding close to the original image geometry, and as L1G, being projected to the SRTM 3 arcsec height model. For use of Semi Global Matching quasi epipolar images are required. They can be produced by just rotating the L1G-images to the stereo base, while with L1R-images requires at first a projection to a constant height level. The projection of L1G to the SRTM height models leads to height differences against the SRTM heights. The orientation of the L1R images with 71 ground control points (GCP) was possible in X and Y with 0.6 GSD and in Z with 1.1 GSD, while with L1G images only 1.2 GSD respectively 2.9 GSD have been reached. A standard deviation of 0.6 GSD for X and Y and 1.1 GSD for Z is satisfying and a usual accuracy for satellite images. A comparison of the generated height model based on the L1G-images with airborne LiDAR data (ALS) showed clear local systematic height errors of the height model based on L1G-images which could not be seen with L1R-images. The area based least squares matching leads to good results in open areas while in build up areas no accurate building determination is possible. Here SGM has a clear advantage with accurate roof structures corresponding to the 0.71m GSD. For the relative accuracy, that means the building height and the roof structure, it does not matter if L1G or L1R images are used. © Authors 2018. CC BY 4.0 License.
title: Denkmalpflege in Baden-Württemberg – Nachrichtenblatt der Landesdenkmalpflege, Bd. 48 Nr. 4 (2019)
title: Nachrichtenblatt der Denkmalpflege in Baden-Württemberg – Organ der Staatlichen Ämter für Denkmalpflege
titleType: AlternativeTitle
Creators: name: Denkmalpflege In Baden-Württemberg – Nachrichtenblatt Der Landesdenkmalpflege
Publisher: name: Denkmalpflege in Baden-Württemberg – Nachrichtenblatt der Landesdenkmalpflege
Year: 2019

description: Inhalt Editorial...205 Die Weißenhofsiedlung und die Beamtensiedlung in Stuttgart ...206-214 Bauhaus-Stoff...215-220 Bauhaus trifft Pausa...221-228 Wärmeschutz im Zeichen der Moderne ...229-234 „Modern(e): Umbrüche in Kunst und Architektur“ ...235-241 Tag und Nacht des offenen Denkmals ...242-248 Erdbeerkerne, Holz und Mist...249-254 Im Brennpunkt siedlungsarchäologischer Forschung ...255-261 Schlossallee und Lustgarte...262-268 Unbekannt und übersehen ...269-275 Ein „Weltkloster“ für Oberschwaben ...276-282 Von Stuttgart in die Welt ...283-284 Kunst in Oberschwaben...285-286 Mitteilungen...286-289 Ausstellung...289-290 Neuerscheinungen...290-292 Personalia...292 Die Landesdenkmalpflege
Die Alblinie von 1703 bis 1704
Creators: name: Kinder, Ulrich
Publisher: name: Denkmalpflege in Baden-Württemberg – Nachrichtenblatt der Landesdenkmalpflege
Year: 2020

description: Denkmalpflege in Baden-Württemberg – Nachrichtenblatt der Landesdenkmalpflege, Bd. 49 Nr. 1 (2020)
[Segl tilhørende Christian Ludwig Scheidt]
Creators: name: Scheidt, Christian Ludwig
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: I blått en treoddet stjerne eller fotangel fulgt av tre roser (2.1).
description: Blasonering av hjelmtegnet: På kronet hjelm en opp voksende svane med utslåtte vinger.
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
The electronic structure of poly(pyridine-2,5-diyl) investigated by soft x-ray absorption and emission spectroscopies
Creators: name: Magnuson, M.
name: Yang, L.
name: Guo, J. - H.
name: Såthe, C.
name: Agui, A.
name: Nordgren, J.
name: Luo, Y.
name: Ågren, H.
name: Johansson, N.
name: Salaneck, W. R.
name: Horsburgh, L. E.
name: Monkman, A. P.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Chemical Physics (physics.chem-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: The electronic structure of the poly-pyridine conjugated polymer has been investigated by resonant and nonresonant inelastic X-ray scattering and X-ray absorption spectroscopies using synchrotron radiation. The measurements were made for both the carbon and nitrogen contents of the polymer. The analysis of the spectra has been carried out in comparison with molecular orbital calculations taking the repeat-unit cell as a model molecule of the polymer chain. The simulations indicate no significant differences in the absorption and in the non-resonant X-ray scattering spectra for the different isomeric geometries, while some isomeric dependence of the resonant spectra is predicted. The resonant emission spectra show depletion of the π electron bands in line with symmetry selection and momentum conservation rules. The effect is most vizual for the carbon spectra; the nitrogen spectra are dominated by lone pair n orbital emission of σ symmetry and are less frequency dependent.
description: 11 pages, 7 figures, 1 table, http://www.sciencedirect.com/science/article/pii/S0301010498002626
Kossinna, Gustaf. Ursprung und Verbreitung der Germanen in vor= und frühgeschichtlicher Zeit
Creators: name: Jacob-Friesen, Karl Hermann
Publisher: name: Nachrichten aus Niedersachsens Urgeschichte
Year: 2020

description: Rezension zu: Kossinna, Gustaf. Ursprung und Verbreitung der Germanen in vor= und frühgeschichtlicher Zeit. 2. Teil. Berlin=Lichterfelde 1927. 8°. 192 S. 222 Abb.
description: Nachrichten aus Niedersachsens Urgeschichte, Bd. 2 (1928): Nachrichten aus Niedersachsens Urgeschichte
[Segl tilhørende Leonhard N. Scheitli]
Creators: name: Scheitli, Leonhard N.
Publisher: name: Unknown
Year: 0

description: Blasonering av skjoldet: I skjoldet en hydra.
description: Blasonering av hjelmtegnet: På hjelmen to vinger.
description: Leonhard N. Scheitlis segl datert 1796. En hydra er en syvhodet drage.
description: Film: F II 2920-1
description: Beskrivelse av segl og andre opplysninger er hentet fra boka "Segl i Universitetsbiblioteket i Trondheim" av Harald Nissen og Monica Aase utgitt 1990.
Ginters, Waldemar. Das Schwert der Skythen und Sarmaten in Südrußland
Creators: name: Sprockhoff, Ernst
Publisher: name: Nachrichten aus Niedersachsens Urgeschichte
Year: 2020

description: Rezension zu: Ginters, Waldemar. Das Schwert der Skythen und Sarmaten in Südrußland. Vorgeschichtliche Forschungen, herausgegeben von M. Ebert. 2. Band, 1. Heft. Berlin 1928. 90 Seiten und 43 Tafeln
description: Nachrichten aus Niedersachsens Urgeschichte, Bd. 2 (1928): Nachrichten aus Niedersachsens Urgeschichte