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WinBasin: using improved algorithms and the GIS technique for automated watershed modelling analysis from digital elevation models / W. Lin in International journal of geographical information science IJGIS, vol 22 n° 1-2 (february 2008)
[article]
Titre : WinBasin: using improved algorithms and the GIS technique for automated watershed modelling analysis from digital elevation models Type de document : Article/Communication Auteurs : W. Lin, Auteur ; W. Chou, Auteur ; et al., Auteur Année de publication : 2008 Article en page(s) : pp 47 - 69 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] analyse spatiale
[Termes IGN] bassin hydrographique
[Termes IGN] données vectorielles
[Termes IGN] géomorphologie locale
[Termes IGN] ligne de partage des eaux
[Termes IGN] modèle numérique de surface
[Termes IGN] système d'information géographiqueRésumé : (Auteur) WinBasin is a GIS-based watershed analysis system that can automatically calculate depressionless flow directions, delineate watersheds/sub-watersheds, extract realistic drainage networks, and calculate geomorphological indices and hydrological responses from digital elevation models. Several improved algorithms coupled with GIS techniques were proposed for automated watershed analysis. First, different from depression fill-up treatment methods, the depression watershed method coupled with the improved fuzzy c-mean algorithm allows the depression outlet location and flow directions to be determined. Second, by using the GIS-based point-and-click interface coupled with outlet-tracing and headwater-tracing algorithms, watersheds with user-specified outlets and realistic drainage networks can be easily extracted based on the derived flow directions. The analysed results can be exported to vector format for linkage with other GIS software. Third, the geomorphological indices and hydrological responses (width function and geomorphological instantaneous unit hydrograph) in a watershed can also be instantly derived based on the proposed algorithms and the GIS technique. Copyright Taylor & Francis Numéro de notice : A2008-104 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/13658810701300121 En ligne : https://doi.org/10.1080/13658810701300121 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29099
in International journal of geographical information science IJGIS > vol 22 n° 1-2 (february 2008) . - pp 47 - 69[article]Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 079-08011 RAB Revue Centre de documentation En réserve L003 Disponible 079-08012 RAB Revue Centre de documentation En réserve L003 Disponible Spatially and temporally continuous LAI data sets based on an integrated filtering method: examples from North America / H. Fang in Remote sensing of environment, vol 112 n° 1 (15/01/2008)
[article]
Titre : Spatially and temporally continuous LAI data sets based on an integrated filtering method: examples from North America Type de document : Article/Communication Auteurs : H. Fang, Auteur ; Shunlin Liang, Auteur ; et al., Auteur Année de publication : 2008 Article en page(s) : pp 75 - 93 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] algorithme de filtrage
[Termes IGN] Amérique du nord
[Termes IGN] analyse comparative
[Termes IGN] analyse diachronique
[Termes IGN] données spatiotemporelles
[Termes IGN] image Landsat-ETM+
[Termes IGN] image Terra-MODIS
[Termes IGN] Leaf Area Index
[Termes IGN] qualité des donnéesRésumé : (Auteur) Leaf Area Index (LAI) is an important biophysical variable for characterizing the land surface vegetation. Global LAI product has been routinely produced from the MODerate resolution Imaging Spectroradiometer (MODIS) aboard the Terra and Aqua satellite platforms. However, the MODIS standard LAI product is not continuous both spatially and temporally. To fill the gaps and improve the quality, we have developed a data filtering algorithm. This filter, called the temporal spatial filter (TSF), integrates both spatial and temporal characteristics for different plant functional types. The spatial gaps are first filled with the multi-year averages of the same day. If the values are missing over all years, the pixel is filled with a new estimate using the vegetation continuous field–ecosystem curve fitting method. The TSF integrates both the multi-seasonal average trend (background) and the seasonal observation. We implement this algorithm using the MODIS Collection 4 LAI product over North America. Comparison of the TSF results with the Savitzky–Golay filter indicates that the TSF performs much better in restoring the spatial and temporal distribution of seasonal LAI trends. The new LAI product has been validated by comparing with field measurements and the derived LAI maps from ETM+ data at a broadleaf forest site and an agricultural site. The validation results indicate that the new LAI product agrees better with both the field measurements and LAI values obtained from the ETM+ than does the MODIS LAI standard product, which usually shows higher LAI values. Copyright Elsevier Numéro de notice : A2008-026 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2006.07.026 En ligne : https://doi.org/10.1016/j.rse.2006.07.026 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29021
in Remote sensing of environment > vol 112 n° 1 (15/01/2008) . - pp 75 - 93[article]
Titre : 3D topography : a simplicial complex-based solution in a spatial DBMS Type de document : Thèse/HDR Auteurs : F. Penninga, Auteur Editeur : Delft : Netherlands Geodetic Commission NGC Année de publication : 2008 Collection : Netherlands Geodetic Commission Publications on Geodesy, ISSN 0165-1706 num. 66 Importance : 192 p. Format : 17 x 24 cm ISBN/ISSN/EAN : 978-90-6132-304-4 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] algorithme du simplexe
[Termes IGN] base de données localisées 3D
[Termes IGN] données localisées 3D
[Termes IGN] milieu urbain
[Termes IGN] modèle conceptuel de données localisées
[Termes IGN] objet géographique 3D
[Termes IGN] système de gestion de base de données
[Termes IGN] tétraèdre
[Termes IGN] Triangulated Irregular Network
[Termes IGN] visualisation 3DIndex. décimale : 32.00 Topographie - généralités Résumé : (Auteur) Current topographic products are limited to a real world representation in only two dimensions, with at best some additional point heights and contour lines. Modelling the real world in two dimensions implies a rather drastic simplification of three di-mensional real world elements. By representing these elements in two dimensions, loss of information is inevitable. Due to this simplification, accuracy of analysis results is limited and a meaningful, insightful representation of complex situations is hard to obtain. Environmental issues like high concentrations of particulate matter along highways in urban areas, the effects of noise and odour propagation and risk analysis of liquefied petroleum gas storage tanks are random examples of current issues in 3D urban planning in which more precision is required than 2D analyses can offer. In a time with increasing attention for these kind of environmental and sustainability issues, limitations of 2D models become real problematic and trigger the demand for 3D topography.
The development of 3D topography is also supply-driven, especially by the increasing availability of high density laser scan data. Height data becomes available with point densities -multiple height points per square meter- that were previously unthinkable with traditional photogrammetric stereo techniques. Direct 3D data ac-quisition by terrestrial laser scanning is emerging, thus providing detailed measure-ments of facades, tunnels and even indoor topography. The fast developments in this field are partly triggered by the emerging popularity of personal navigation devices, which will use 3D models in the future to simplify user interpretation of the (map) display.
Objective and research question
The objective of this research is to develop a data structure that is capable of han-dling large data volumes and offers support for loading, updating, querying, analysis and especially validation. To achieve this, a triangular approach will be used, due to its advantages in maintaining consistency, its robustness and editability. This tri-angular approach creates a network of triangles (in 2D) or tetrahedrons (in 3D), in which topographic features are represented by sets of triangles or tetrahedrons. Such a network is an example of an irregular tessellation, in which the real world is de--composed into smaller (triangle/tetrahedron-shaped) building blocks. The resulting networks are called TINs (Triangular Irregular Networks) or TENs (TEtrahedronised irregular Networks). The presence of boundaries of topographic features are ensured by the use of constraints, preventing the deletion of crucial boundary edges and trian-gles. Algorithms exist to calculate these constrained triangulations and constrained tetrahedronisations of topographic data.
In this research a two-step approach will be adopted. First one has to decide how real-world objects should be modelled into features, secondly one needs to store these features in such a way that the requirements in terms of querying, analysis and validation are met. An obvious step in dealing with large volumes of geographically referenced data, is to use a spatial database.
This objective is expressed in the main research question:
How can a 3D topographic representation be realised in a feature-based triangular data model?
Note that the term 'triangular' is used here in general dimension, so both triangle-and tetrahedron-based models will be considered. As mentioned before, a two-step approach will be adopted to achieve a solution to the main research question. In accordance with the two steps, two key questions can be distinguished:
How to develop a conceptual model that describes the real world phenomena (the topographic features), regarding the general purpose-characteristic of to-pographic data sets?
How to implement this conceptual model, i.e. how to develop a suitable DBMS data structure?
The results of this research will be summarised according to this two-step approach.
A conceptual data model for 3D topography
One of the basic assumptions within this research is the use of triangular data models. As a result, topographic features will be described as sets of triangles and these fea-tures will be connected by triangles as well, thus creating one triangular network. This research explored two different approaches to triangular modelling of 3D topography.
The first one is a very pragmatic hybrid approach that combines a 2.5D* sur-face with 3D objects for those cases where 2.5D modelling is not sufficient. In terms of triangular data structures, this approach combines a TIN with several TENs. These irregular data structures not only allow varying point density (de-pending on local model complexity), but extend this irregularity into varying even model dimensionality, thus offering the ultimate fit-for-purpose approach. Unfortunately, connecting TIN and TEN networks appeared to be very difficult at design level and during prototype implementation.
The second approach avoids these problems, since it is a full 3D approach using only a TEN. Two fundamental observations are of great importance:
Physical objects have by definition a volume. In reality, there are no point, line or polygon objects; only point, line or polygon representations exist (at a certain level of abstraction/generalisation).
The real world can be considered a volume partition: a set of nonoverlap-ping volumes that form a closed (i.e. no gaps within the domain) modelled space. Objects like 'earth' or 'air' are thus explicitly included in the model.
In topographic data models, planar features like walls or roofs are obviously very useful. They can be part of the volumetric data model as 'derived features', i.e. these features depend on the relationship between volume features. For example, the earth surface is the boundary between air and earth features, while a wall or a roof are the result of adjacent building and air features. In terms of UML, these planar features are modelled as association classes. As a result, planar features are lifetime dependent from the association between two volume features.
Among the advantages of the full volumetric approach are its explicit inclusion of air and earth (often subject of analysis), its extensibility (geology, air traf-fic/telecommunication corridors, etc.) and its strong mathematical definition (full connectivity enables the use of topology for query, analysis and validation). As a re-sult, topographic features will be modelled in a TEN. Each feature will be represented by a set of tetrahedrons.
A data structure for 3D topography
The newly developed data structure has three important characteristics:
It has a solid mathematical foundation. Operators and definitions from the mathematical field of Poincare simplicial homology (part of algebraic topology) are used to handle simplexes^, the basic elements in a triangular data structure. Simplexes are well defined, ordered and constructed of simplexes of lower di-mension. The boundary operator can be used to derive these less dimensional
*See section 2.2 for an overview of often-used dimension indicators
tA simplex can loosely be defined as the simplest shape in a dimension, in which simplest refers to minimising the number of points required to define such a shape, for instance a point, a line, a triangle and a tetrahedron. See section 4.1 for a proper mathematical definition simplexes. Based on the ordering of simplexes, one can determine orientation, a useful concept in GIS. Another important concept from simplicial homology is the simplicial complex, since such a set of connected simplexes will be used to model 3D topographic features.
It is developed as a spatial database data structure. Applying definitions and operators from simplicial homology enables one to store a TEN in a relatively compact way. The new simplicial complex-based method requires only explicit storage of tetrahedrons, while simplexes of lower dimensions (triangles, edges, nodes), constraints (which guarantee feature boundary presence) and topologi-cal relationships can be derived in views. Using functions to derive views from a table is typical database functionality. In this implementation, simplexes are en-coded by their vertices, similar to the annotation in simplicial homology. These simplex encodings are extended with a feature identifier, indicating which to-pographic feature is (partly) represented by this simplex. So, a tetrahedron is encoded as 83 =< vq, Vi, V2,v^, fid >. Two variants in simplex encoding have been developed: coordinate concatenation and identifier concatenation. The concept of coordinate concatenation is to concatenate x, y and z coordinates as node identifiers and to concatenate the resulting unique node codes to describe simplexes of higher dimension. The alternative approach, identifier concatena-tion, uses separate (meaningless) node identifiers to encode simplexes to reduce the number of coordinate repetitions, since a specific node will be part of multi-ple tetrahedrons. This approach requires an additional node table to store node geometries.
It is an editable data structure, which is a crucial prerequisite to be a feasible approach for topographic data storage. Incremental updates are required, since complete rebuilds of the TEN structure will be time-consuming due to the ex-pected data volumes. Whereas most existing update algorithms for constrained tetrahedronisations use node insertions, followed by edge reconstruction, this research presents edge insertion operators. Nine exhaustive and mutually exclusive cases are distinguished, based on the location in the TEN of the inserted edge's nodes. These operators guarantee the constrained edge's presence in the structure. Existing operators might fail to recover these edges, due to the pres-ence of nearby constrained edges, which would typically happen in topographic data sets.
Conclusions
This dissertation presents a new topological approach to data modelling, based on a tetrahedral network. Operators and definitions from the field of simplicial homology are used to define and handle this structure of tetrahedrons. Simplicial homology provides a solid mathematical foundation for the data structure and offers full control over orientation of simplexes and enables one to derive substantial parts of the TEN structure efficiently, instead of explicitly storing all primitives. DBMS characteristics as the usage of views, functions and function-based indexes are extensively used to realise this potential data reduction. A proof-of-concept implementation was created and tests with several data sets show that the prevailing view that tetrahedrons are more expensive in terms of storage when compared to polyhedrons, is not correct when using the proposed approach. Storage requirements for 3D objects in tetrahe-dronised form (excluding the space in between these objects) and 3D objects stored as polyhedrons, are in the same order of magnitude.
A TEN has favourable characteristics from a computational point of view. All elements of the tetrahedral network consist by definition of flat faces, all elements are convex and they are well defined. Validation of 3D objects is also simplified by tetrahedronisation. Furthermore, a full volumetric approach enables future integra-tion of topography with other 3D data like geological layers, polluted regions or air traffic and telecommunication corridors. The price of this full volumetric approach in terms of storage space is high (about 75% of the tetrahedrons models air or earth); nevertheless this approach is likely to become justifiable due to current developments towards sustainable urban development and increased focus on environmental issues.
Now the innovative aspects of the proposed method has to be identified. Neither the idea to use a TEN data structure for 3D data nor the idea to use simplexes (in terms of simplicial homology) in a DBMS implementation is new. However, the proposed approach reduces data storage and eliminates the need for explicit updates of both topology and simplexes of lower dimension. By doing so, the approach tackles common drawbacks as TEN extensiveness and laboriousness of maintaining topology. Furthermore, applying simplicial homology offers full control over orientation of sim-plexes, which is a significant advantage, especially in 3D. In addition to this aspect, the mathematical theory of simplicial homology offers a solid theoretical foundation for both the data structure and data operations. Integrating these concepts with database functionality results in a new innovative approach to 3D data modelling.
An often raised objection to a TEN approach is its presumed complexity. Obviously, a l:n relation exists between features and their tetrahedron representations. However, as long as a user handles only features (as polyhedrons) and implemented algorithms translate these polyhedrons into operations on the TEN, one can over-come the perceived complexity. Furthermore, the prevailing view that tetrahedrons are more expensive in terms of storage than polyhedrons has been falsified in this research.
Overall, the simplicial complex-based modelling approach provides a provable correct modelling method. The use of tetrahedrons is justified by the mathematical benefits and the acceptable storage requirements. Obviously, including air and earth within the model comes at a price, but -as stated earlier- this approach is likely to become justifiable, due to current sustainability and environmentally-driven developments. The decision to develop the data structure as a database structure contributes to the overall feasibility, since a database will become indispensable due to the expected data volumes.Note de contenu : Acknowledgements
1 Introduction
1.1 Motivation
1.2 Objective and main research question
1.3 Research scope and limitations
1.4 Contribution of the work
1.5 Outline
2 Research background
2.1 Problem domain: Towards 3D topography
2.2 Defining dimensions in the range 2D-3D
2.3 Deriving requirements for the conceptual data model and structure from the problem
2.4 Managing 3D data: related research on 3D data structures
2.5 Triangular data structures and algorithms
2.6 Relevant database concepts
I Conceptual modelling of 3D Topography
3 Two triangular data models for 3D topography
3.1 Approach 1: an integrated 2.5D/3D model
3.2 Approach 2: a full 3D data model
3.3 The choice for the full 3D approach
II A Data structure for 3D Topography
4 Theoretical foundations: Poincare simplicial homology
4.1 Mathematical description of simplexes
4.2 Orientation of simplexes
4.3 Combining simplexes: simplicial complexes
4.4 Operations on simplexes and simplicial complexes
5 A simplicial complex-based solution for 3D topography
5.1 Representing topographic features in a TEN
5.2 Early ideas: three TEN-based data structures for the full 3D approach
5.3 Preferred solution: applying simplicial homology to the TEN
5.4 Implementing the data structure in a DBMS environment
5.5 Summary
6 Updating features in the Data Structure
6.1 Incremental update: feature insertion
6.2 Incremental update: feature deletion
6.3 Quality improvement of TEN structure
6.4 Initial bulk loading and bulk rebuild
III Evaluation and conclusions
7 Evaluation and discussion
7.1 Evaluation material: three different data sets
7.2 Evaluating bulk tetrahedronisation process
7.3 Evaluating storage requirements
7.4 Evaluating initial visualisation tools
7.5 Discussing requirements for 3D data sets with correct topology
7.6 Identifying future developments
8 Conclusions
8.1 Results.
8.2 Main conclusions
8.3 Discussion
8.4 Future researchNuméro de notice : 15361 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Thèse étrangère DOI : sans Accessibilité hors numérique : Non accessible via le SUDOC En ligne : https://www.ncgeo.nl/index.php/en/publicatiesgb/publications-on-geodesy/item/250 [...] Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62703 Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 15361-01 32.00 Livre Centre de documentation Topographie Disponible 15361-02 32.00 Livre Centre de documentation Topographie Disponible
Titre : Actes de la journée INSPIRE 2008 du CNIG, INSPIRE : où passera le chemin de l'administration électronique géographique ? Type de document : Actes de congrès Auteurs : Marc Léobet, Auteur Editeur : Paris [France] : Centre national de l'information géographique CNIG Année de publication : 2008 Conférence : CNIG 2008, Journée nationale de la recherche géographique, INSPIRE : où passera le chemin de l'administration électronique géographique ? 19/12/2008 Paris France Importance : 27 p. Format : 21 X 30 Langues : Français (fre) Descripteur : [Vedettes matières IGN] Infrastructure de données
[Termes IGN] catalogue de données localisées
[Termes IGN] collectivité territoriale
[Termes IGN] directive européenne
[Termes IGN] données localisées
[Termes IGN] information géographique numérique
[Termes IGN] INSPIRE
[Termes IGN] métadonnéesNuméro de notice : 13840 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Actes DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=37421 Documents numériques
en open access
13840_actes_journee_inspire_2008_cnig.pdfAdobe Acrobat PDF Advances in photogrammetry, remote sensing and spatial information sciences / Z. Li (2008)
Titre : Advances in photogrammetry, remote sensing and spatial information sciences : 2008 ISPRS Congress book, Beijing, 3 - 11 July 2008 Type de document : Actes de congrès Auteurs : Z. Li, Éditeur scientifique ; J. Chen, Éditeur scientifique ; Emmanuel P. Baltsavias, Éditeur scientifique Editeur : Londres : Taylor & Francis Année de publication : 2008 Collection : ISPRS Book Series num. 7 Conférence : ISPRS 2008, 21st ISPRS world congress 03/07/2008 11/07/2008 Pékin Chine OA ISPRS Archives Importance : 527 p. Format : 18 x 25 cm ISBN/ISSN/EAN : 978-0-415-47805-2 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie
[Termes IGN] acquisition de données
[Termes IGN] analyse de données
[Termes IGN] données lidar
[Termes IGN] mission spatiale
[Termes IGN] modélisation 3D
[Termes IGN] modélisation spatio-temporelle
[Termes IGN] télédétection aérienne
[Termes IGN] visualisation 3DRésumé : (Editeur) Publié à l'occasion du 21e Congrès de la Société Internationale de Photogrammétrie et de Télédétection (SIPT) à Pékin, en Chine en 2008, cet ouvrage est une compilation de 34 contributions de 62 chercheurs actifs dans l'ISPRS. Il couvre l'état de l'art en photogrammétrie, en télédétection spatiale et en sciences de l'information géographique. Il est divisé en six parties : -introduction, -capteurs, plates-formes et systèmes d'acquisition de données, -traitement et analyse des données, -modélisation, gestion et visualisation des données, -applications, -formation et coopération. Il donne un aperçu complet des progrès accomplis dans ces domaines depuis le 20e Congrès de la SIPT, qui a eu lieu en 2004 à Istanbul, en Turquie. Le volume sera précieux, non seulement aux scientifiques et aux chercheurs, mais aussi aux étudiants universitaires et aux praticiens. Note de contenu : Part I - Introduction
Chapter 1 Historical development of ISPRS, John Trinder & Lawrence Fritz
Chapter 2 Scientific-Technological developments of photogrammetry and remote sensing between 2004 and 2008, Armin Gruen
Part II - Sensors, platforms and data acquisition systems
Chapter 3 Spaceborne digital imaging sensors and systems, Gordon Petrie
Chapter 4 Airborne digital imaging sensors and systems, Gordon Petrie & Kenneth Smillie
Chapter 5 Close-range photogrammetry sensors, Hans-Gerd Maas
Chapter 6 LIDAR: Airborne and terrestrial sensors, Aloysius Wehr
Chapter 7 Land mobile mapping systems, Naser El-Sheimy
Chapter 8 Small satellite missions, Rainer Sandau
Chapter 9 Unmanned aerial vehicles for photogrammetry and remote sensing, Jurgen Everaerts
Part III - Data processing and analysis
Chapter 10 Remote sensing signatures: Measurements, modelling and applications, Shunlin Liang, Michael Schaepman & Mathias Kneubühler
Chapter 11 Geometric modelling of linear CCDs and panoramic imagers, Karsten Jacobsen
Chapter 12 DSM generation and deformation measurement from SAR data, Michele Crosetto & Paolo Pasquali
Chapter 13 Early stages of LIDAR data processing, Norbert Pfeifer & Jan Böhm
Chapter 14 Pan-Sharpening for improved information extraction, Yun Zhang
Chapter 15 Object extraction and attribution from hyperspectral images, Freek van der Meer, Harald van der Werff, Mark van der Meijde, Frank van Ruitenbeek, Chris Hecker & Steven de Jong
Chapter 16 Automated extraction of roads, buildings, and vegetation from multi-source data, Helmut Mayer, Stefan Hinz & Uwe Stilla
Chapter 17 Processing of multitemporal data and change detection, Haigang Sui, Qiming Zhou, Jianya Gong & Guorui Ma
Part IV - Data modelling, management and visualization
Chapter 18 Spatio-Temporal modelling, Wolfgang Kainz & Xinming Tang
Chapter 19 Multi-scale modelling and representation of geospatial data, Zhilin Li
Chapter 20 Multiple representation databases, Monika Sester
Chapter 21 Dynamic GIS, Christopher M. Gold, Darka Mioc & François Anton
Chapter 22 Semantic integration of heterogeneous geospatial information, Marinos Kavouras & Margarita Kokla
Chapter 23 3D Data modelling and visualization, Sabry El-Hakim
Part V - Applications
Chapter 24 Spatial data infrastructures and clearinghouses, Costas Armenakis
Chapter 25 Web mapping/GIS services and applications, Songnian Li
Chapter 26 Updating geospatial databases from images, Christian Heipke, Peter A. Woodsford & Markus Gerke
Chapter 27 Applications in cultural heritage documentation, Petros Patias, Pierre Grussenmeyer & Klaus Hanke
Chapter 28 Natural disaster management: Activities in support of the UN system, Piero Boccardo & Fabio Giulio Tonolo
Chapter 29 Environmental sensing and human health, Stanley A. Morain & Amelia M. Budge
Chapter 30 Industrial applications of photogrammetry, Thomas Luhmann & Stuart Robson
Chapter 31 Medical applications, Nicola D’apuzzo & Harvey Mitchell
Chapter 32 Forestry applications, Barbara Koch & Matthias Dees
Part VI - Education and cooperation
Chapter 33 Educational developments and outreach, Kohei Cho, Gerhard König & Joachim Höhle
Chapter 34 International cooperation and capacity building, Ian Dowman & Shunji MuraiNuméro de notice : 20097 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Actes DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=34935 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 20097-01 CG2008 Livre Centre de documentation Congrès Disponible Analyse du référentiel interurbain français / C. André (2008)PermalinkAnalyse spatiale des activités socio-économiques dans Londres et sa banlieue / Guillaume Olive (2008)PermalinkAnalyse et traitement d'ondes Lidar pour la cartographie et la reconnaissance de formes : application au milieu urbain / Clément Mallet (2008)PermalinkPermalinkPermalinkApplication of geospatial technologies for environmental impact assessment: an Indian Scenario / D.R. Satapathy in International Journal of Remote Sensing IJRS, vol 29 n°1-2 (January 2008)PermalinkApplied spatial data analysis with R / R.S. Bivand (2008)PermalinkAprès le CRIGE-PACA , le CRIGE-CORREZE ? / Anonyme in Géomatique expert, n° 60 (01/01/2008)PermalinkAssessment and socio-economic aspects of Geographic Information Infrastructures / Bastiaan Van Loenen (2008)PermalinkAutomatic pyramidal intensity-based laser scan matcher for 3D modeling of large scale unstructured environments / Daniela Craciun (2008)PermalinkPermalinkCapture de layers durant une session dans un globe virtuel / G. Mazabraud (2008)PermalinkLa caune de l'Arago / Floryne Roche (2008)PermalinkLes enjeux juridiques des échanges de données localisées / Centre d'études sur les réseaux, les transports, l'urbanisme et les constructions publiques (2008)PermalinkEntwicklung eines Qualitätsmodells für die Generierung von digitalen Gelandemodellen aus airborne Laser scanning / Hans Jürg Luthy (2008)PermalinkPermalinkEuroSDR & ISPRS Workshop Geosensor Networks, February 20 - 22 2008, Hannover Germany / Christian Heipke (2008)PermalinkEvaluation et amélioration des performances de la chaine MNT P+XS SPOT5 / Jean Figuerola (2008)PermalinkEvaluation de processus d'appariement de données vectorielles / Benoit Antoine (2008)PermalinkLes fichiers fonciers standard délivrés par la DGI appelés communément fichiers MAJIC 2, 1. Volume 1, Guide méthodologique pour leur utilisation / Ieti consultants (2008)PermalinkLes fichiers fonciers standard délivrés par la DGI appelés communément fichiers MAJIC 2, 2. Volume 2, Annexes du guide méthodologique pour leur utilisation / Ieti consultants (2008)PermalinkPermalinkGeometric validation of a ground-based mobile laser scanning system / D. Barber in ISPRS Journal of photogrammetry and remote sensing, vol 63 n° 1 (January - February 2008)PermalinkGéoportail, le portail internet des territoires et des citoyens, www.geoportail.fr / A. Da Silva Pires (2008)PermalinkPermalinkInformation géographique et dynamiques urbaines, Tome 1. Analyse et simulation de la mobilité des personnes / M. Theriault (2008)PermalinkInformation géographique et dynamiques urbaines, Tome 2. Accessibilité, environnement, paysage et valeur foncière / M. Theriault (2008)PermalinkINSPIRE : l'heure de la mobilisation générale a sonné / Françoise de Blomac in SIG la lettre, n° 93 (janvier 2008)PermalinkInvestigations of high precision terrestrial laser scanning with emphasis on the development of a robust close-range 3D-laser scanning system / Hans Martin Zogg (2008)PermalinkPermalinkPermalinkManaging full waveform Lidar data : a challenging task for the forthcoming years / Frédéric Bretar (2008)PermalinkMastering ArcGIS / M. Price (2008)PermalinkA method for automated registration of unorganised point clouds / K. Bae in ISPRS Journal of photogrammetry and remote sensing, vol 63 n° 1 (January - February 2008)PermalinkPermalinkMulti-representation databases with explicitly modeled horizontal, vertical, and update relations / M. Bobzien in Cartography and Geographic Information Science, vol 35 n° 1 (January 2008)PermalinkPermalinkLa qualité des données géographiques / Centre d'études sur les réseaux, les transports, l'urbanisme et les constructions publiques (2008)PermalinkQualité de l'information géographique / Jean-François Hangouët (2008)PermalinkPermalinkPermalinkSIG 2008, conférence francophone ESRI / Anonyme (2008)PermalinkSupport à la cartographie diachronique des groupes élitaires dans la ville de Bruxelles / P. Collin (2008)PermalinkSupporting the process of exploring and interpreting space-time multivariate patterns: the visual inquiry toolkit / J. Chen in Cartography and Geographic Information Science, vol 35 n° 1 (January 2008)PermalinkLa télédétection au service de la forêt / Françoise de Blomac in SIG la lettre, n° 93 (janvier 2008)PermalinkTerrain modeling from lidar data: Hierarchical K-means filtering and Markovian regularization / Nesrine Chehata (2008)PermalinkA test of 2D building change detection methods : comparison, evaluation and perspectives / Nicolas Champion (2008)PermalinkThe European Information Society : Taking Geoinformation Science One Step Further, AGILE 2008 / Lars Bernard (2008)PermalinkTransposition de la directive INSPIRE / Serge Lhomme (2008)PermalinkUrban and Regional Data Management, UDMS annual 2007 / Volker Coors (2008)PermalinkVisual thinking for design / Colin Ware (2008)PermalinkWorkshop on production partnership management, Ordnance Survey, Southampton, 7-9 November 2007, England / Ray Patrucco (2008)PermalinkDevelopment of a simulation model to predict Lidar interception in forested environments / N.R. Goodwin in Remote sensing of environment, vol 111 n° 4 (28/12/2007)PermalinkAim4GDI: facilitating the synthesis of GDI resources through mapping and surimpositions of metadata summaries / T. Aditya in Geoinformatica, vol 11 n° 4 (December 2007)PermalinkAppariement de données géographiques utilisant la théorie des croyances / Ana-Maria Raimond in Le monde des cartes, n° 194 (décembre 2007)PermalinkUn client web pour découvrir, explorer et tester des traitements sur des données géographiques / Bénédicte Bucher in Le monde des cartes, n° 194 (décembre 2007)PermalinkDiffusion des géodonnées et géoportail / P. Minier in Géomètre, n° 2043 (décembre 2007)PermalinkLa France a comblé ses dix ans de retard / Michel Kasser in Géomètre, n° 2043 (décembre 2007)PermalinkGeometric accuracy assessment of QuickBird basic imagery using different operational approaches / M. Aguilar in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 12 (December 2007)PermalinkGéoportail : plate-forme de services pour la diffusion et l'utilisation / Patrick Leboeuf in Géomètre, n° 2043 (décembre 2007)PermalinkImproving river flood extent delineation from synthetic aperture radar using airborne laser altimetry / D.C. Mason in IEEE Transactions on geoscience and remote sensing, vol 45 n° 12 Tome 1 (December 2007)PermalinkLe lidar topographique à retour d'onde complète: Etat de l'art / Clément Mallet in Traitement du signal, vol 24 n° 6 (01/12/2007)PermalinkPourquoi et comment écrire la structure d'un jeu de données géographiques / Sandrine Balley in Le monde des cartes, n° 194 (décembre 2007)PermalinkPréservation de l'écoulement du réseau hydrographique sur le relief en généralisation cartographique / Julien Gaffuri in Le monde des cartes, n° 194 (décembre 2007)PermalinkRéférentiels à très grande échelle : indispensables, mais oubliés / Françoise de Blomac in SIG la lettre, n° 92 (décembre 2007)PermalinkRévision des connaissances d'un processus de généralisation de données géographiques / Patrick Taillandier in Le monde des cartes, n° 194 (décembre 2007)PermalinkOrthogonal polynomials supported by regional growing segmentation for the extraction of terrain from lidar data / N.A. Akel in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 11 (November 2007)PermalinkOrthophoto generation from unorganized point clouds / L. Tournas in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 11 (November 2007)PermalinkQuand la géomatique veille / Françoise de Blomac in SIG la lettre, n° 91 (novembre 2007)PermalinkRigid and non-rigid face motion tracking by aligning texture maps and stereo 3D models / Fadi Dornaika in Pattern recognition letters, vol 28 n° 15 (1 November 2007)PermalinkVers une géographie volontaire ? / Françoise de Blomac in SIG la lettre, n° 91 (novembre 2007)PermalinkPermalinkAugmentation of indoor positioning systems with a barometric pressure sensor for direct altitude determination in a multi-storey building / Guenther Retscher in Cartography and Geographic Information Science, vol 34 n° 4 (October 2007)PermalinkClassification of floodplain vegetation by data fusion of spectral (CASI) and LiDAR data / G.W. Geerling in International Journal of Remote Sensing IJRS, vol 28 n°19-20 (October 2007)PermalinkIntegration of heterogeneous geospatial data in a federated database / Matthias Butenuth in ISPRS Journal of photogrammetry and remote sensing, vol 62 n° 5 (October 2007)PermalinkIntelligent map agents: an ubiquitous personalized GIS / E. Gervais in ISPRS Journal of photogrammetry and remote sensing, vol 62 n° 5 (October 2007)PermalinkA rough set approach to the discovery of classification rules in spatial data / Yee Leung in International journal of geographical information science IJGIS, vol 21 n° 9-10 (october 2007)PermalinkCharacterizing patterns of plant distribution in a southern California salt marsh using remotely sensed topographic and hyperspectral data and local tidal fluctuations / S. Sadro in Remote sensing of environment, vol 110 n° 2 (28/09/2007)PermalinkAn inexpensive stereo-image capture tool for motion study / A.K. Chong in Photogrammetric record, vol 22 n° 119 (September - November 2007)PermalinkCartographie géologique volumique du bassin versant du Nahr Beyrouth (Liban) : Application aux ressources en eaux souterraines / D. Dhont in Photo interprétation, vol 43 n° 3 (Septembre 2007)PermalinkConstruction et intégration de maquettes 3D dans un SIG / M. Koehl in Géomatique expert, n° 58 (01/09/2007)PermalinkÉlaboration d'une base de données géologique 3D : application à la gestion des ressources naturelles du sous-sol de Genève / O. Kaufmann in Géomatique expert, n° 58 (01/09/2007)PermalinkLa formation et la recherche en acquisition et traitement de données géomatiques / Rock Santerre in Geomatica, vol 61 n° 3 (September 2007)PermalinkGeolis: a logical information system for geographical data / O. Bedel in Revue internationale de géomatique, vol 17 n° 3-4 (septembre 2007 – février 2008)PermalinkHighlighting space-time patterns: effective visual encoding for interactive decision-making / Mike Sips in International journal of geographical information science IJGIS, vol 21 n° 8 (september 2007)PermalinkImprécision et incertitude en traitement de l'information géographique / Pierre Dumolard in Revue internationale de géomatique, vol 17 n° 3-4 (septembre 2007 – février 2008)PermalinkMapping of environmental data using kernel-based methods / Mikhail Kanevski in Revue internationale de géomatique, vol 17 n° 3-4 (septembre 2007 – février 2008)PermalinkA new model for cloud tracking and analysis on satellite images / E. Guilbert in Geoinformatica, vol 11 n° 3 (September - November 2007)PermalinkQuantification globale des écarts géométriques entre plans cadastraux DGI et référentiels IGN dans le cadre du géoreférencement de la BD parcellaire en mode image / F. Chahuneau in XYZ, n° 112 (septembre - novembre 2007)PermalinkLa recherche foncière et juridique au département des sciences géomatiques / Francis Roy in Geomatica, vol 61 n° 3 (September 2007)PermalinkReprésentation 3D architecturale du temple d'Auguste et Livie à Vienne (Isère) / C. Ravier in XYZ, n° 112 (septembre - novembre 2007)PermalinkA spatio-temporal population model to support risk assessment and damage analysis for decision-making / T. Ahola in International journal of geographical information science IJGIS, vol 21 n° 8 (september 2007)PermalinkWeight-proportional space partitioning using adaptative Voronoi diagrams / R. Reitsma in Geoinformatica, vol 11 n° 3 (September - November 2007)PermalinkEfficient multiresolution spatial predictions for large data arrays / Magnussen, Steen in Remote sensing of environment, vol 109 n° 4 (30 August 2007)PermalinkDonnées transfrontalières au niveau européen : comment harmoniser les données vectorielles aux frontières dans le cadre des bases de données paneuropéennes ERM, EGM / N. Delattre in Géomatique suisse, vol 105 n° 8 (01/08/2007)Permalink