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Du nuage de points à la représentation 3D avec PostGIS / Tom Van Tilburg in Géomatique expert, n° 113 (novembre - décembre 2016)
[article]
Titre : Du nuage de points à la représentation 3D avec PostGIS Type de document : Article/Communication Auteurs : Tom Van Tilburg, Auteur Année de publication : 2016 Article en page(s) : pp 21 - 22 Langues : Français (fre) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] données lidar
[Termes IGN] données multitemporelles
[Termes IGN] représentation cartographique 3D
[Termes IGN] semis de points
[Termes IGN] stockage de donnéesRésumé : (Auteur) [Introduction] Une fois que les nuages de points sont stockés dans la base de données, comment faire pour les exploiter et en tirer, par exemple, des modèles 3D ? La question est particulièrement importante pour un pays comme les Pays Bas où, tous les six/sept ans, le gouvernement fait réaliser un survol LIDAR complet du territoire et publie un nuage de points classifié d'une densité de huit points par mètre carré. [...] Numéro de notice : A2016-961 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83621
in Géomatique expert > n° 113 (novembre - décembre 2016) . - pp 21 - 22[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 265-2016061 RAB Revue Centre de documentation En réserve L003 Disponible IFN-001-P001918 PER Revue Nogent-sur-Vernisson Salle périodiques Exclu du prêt Validation of medium-scale historical maps of southern Latvia for evaluation of impact of continuous forest cover on the present-day mean stand area and tree species richness / Anda Fescenko in Baltic forestry, vol 22 n° 1 ([01/02/2016])
[article]
Titre : Validation of medium-scale historical maps of southern Latvia for evaluation of impact of continuous forest cover on the present-day mean stand area and tree species richness Type de document : Article/Communication Auteurs : Anda Fescenko, Auteur ; Martins Lukins, Auteur ; Ilja Fescenko, Auteur Année de publication : 2016 Article en page(s) : pp 51 - 62 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] analyse multivariée
[Termes IGN] carte ancienne
[Termes IGN] continuité géographique
[Termes IGN] couvert forestier
[Termes IGN] données multitemporelles
[Termes IGN] écosystème forestier
[Termes IGN] feuillu
[Termes IGN] inventaire forestier étranger (données)
[Termes IGN] Lettonie
[Termes IGN] régression
[Termes IGN] richesse floristique
[Termes IGN] station forestière
[Termes IGN] utilisation du solRésumé : (auteur) Medium-scale historical maps are often the only cartographic source of former forest area distribution on a regional level. In conjunction with a database of the current distribution of species or functional traits, maps may be valuable tool for studying the impact of previous land use on ecosystems. In this study a heterogeneous set of historical maps was used to reconstruct the multi-temporal pattern of the forest area in a moderately forested region (5,180 km2) of southern Latvia during the last 220 years. Changes in the total forest cover were assessed in four time slices and compared with available historical statistical data. To validate the obtained multi-temporal data for ecological studies, the impact of continuous forest cover on the present-day mean stand area and tree species richness derived from the present-day forest inventory database of 94,886 stands was quantified by bivariate and regression analyses. We found no significant impact of inaccuracy of the historical maps on the entire forest continuity pattern of the study area. In particular, the diversity metrics dependencies on the forest continuity can be described by quadratic regression models with coefficients of determination close to one. We also found that the mean stand area is for about 18% larger in woodlands with longer forest continuity irrespective of the forest type. The older woodland the less difference was found between boreal deciduous and nemoral deciduous forests in terms of tree species richness. Numéro de notice : A2016--096 Affiliation des auteurs : non IGN Thématique : FORET/GEOMATIQUE Nature : Article DOI : sans En ligne : https://balticforestry.lammc.lt/bf/PDF_Articles/2016-22%5b1%5d/e-Baltic%20Forest [...] Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=84649
in Baltic forestry > vol 22 n° 1 [01/02/2016] . - pp 51 - 62[article]Multitemporal fluctuations in L-Band Backscatter from a japanese forest / Manabu Watanabe in IEEE Transactions on geoscience and remote sensing, vol 53 n° 11 (November 2015)
[article]
Titre : Multitemporal fluctuations in L-Band Backscatter from a japanese forest Type de document : Article/Communication Auteurs : Manabu Watanabe, Auteur ; Takeshi Motohka, Auteur ; Tomohiro Shiraishi, Auteur ; et al., Auteur Année de publication : 2015 Article en page(s) : pp 5799 - 5813 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image radar et applications
[Termes IGN] bande L
[Termes IGN] biomasse forestière
[Termes IGN] coefficient de rétrodiffusion
[Termes IGN] constante diélectrique
[Termes IGN] données multitemporelles
[Termes IGN] forêt
[Termes IGN] image ALOS
[Termes IGN] image radar moirée
[Termes IGN] JaponRésumé : (Auteur) The temporal variations (diurnal and annual) in arboreal (εTree) and bare soil (εSoil) dielectric constants and their correlation with precipitation were examined for several trees in Japan. A significant (1 σ (standard deviation) and 2 σ) εTree increase is observed after rainfall at 89.8% and 90.5% probability. However, rainfall does not always induce significant εTree increases. Rainfall of more than 5 mm/day can induce 1 σ εTree Tree increase at a 59.6% probability. In order to examine whether the increase in εTree affects the L-band σ0 variation in a forest, the four-year temporal variation of the L-band backscattering coefficient (σ0) was estimated from observations by the Advanced Land Observing Satellite Phased Array type L-band Synthetic Aperture Radar. Observed maximum absolute deviations from the mean over the forest area were 1.0 and 1.2 dB for σHH0 and σHV0, respectively, and 4.0 and 3.0 dB over open land. σ0 and rainfall correlations show that εTree and σForest0 are proportional to precipitation integrated over seven or eight days; εSoil and σOpen land0 are proportional to precipitation integrated over three days. This finding indicates that εTree variations influence σForest areas0. A stronger correlation between σHV0 and precipitation is observed in several sites with low σHV0, where less biomass is expected, and several sites with high σHV0, where more biomass is expected. A weaker correlation between σHV0 and precipitation is observed for several sites with high σ- sub>HV0. These differences may be explained by the different contributions of double bounce scattering and potential transpiration, which is a measure of the ability of the atmosphere to remove water from the surface through the processes of transpiration. The two other results were as follows: 1) The functional relation between aboveground biomass and σ0 showed dependence on precipitation data, this being an effect connected with seasonal changes of the εTree. This experiment reinforces the fact that the dry season is preferable for retrieval of woody biomass from inversion of the functional dependence of SAR backscatter and for avoiding the influence of rainfall. 2) The complex dielectric constant for a tree trunk, which is measured between 0.2 and 6 GHz, indicates that free water is dominant in the measured tree. Numéro de notice : A2015-774 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2015.2415832 Date de publication en ligne : 05/06/2015 En ligne : https://doi.org/10.1109/TGRS.2015.2415832 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=78832
in IEEE Transactions on geoscience and remote sensing > vol 53 n° 11 (November 2015) . - pp 5799 - 5813[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 065-2015111 SL Revue Centre de documentation Revues en salle Disponible Editorial Theme Issue "Multitemporal remote sensing data analysis" / Clément Mallet in ISPRS Journal of photogrammetry and remote sensing, vol 107 (September 2015)
[article]
Titre : Editorial Theme Issue "Multitemporal remote sensing data analysis" Type de document : Article/Communication Auteurs : Clément Mallet , Auteur ; Nesrine Chehata , Auteur ; Grégoire Mercier, Auteur Année de publication : 2015 Article en page(s) : pp 1 - 2 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Télédétection
[Termes IGN] analyse de données
[Termes IGN] détection de changement
[Termes IGN] données multitemporelles
[Termes IGN] données spatiotemporellesRésumé : (auteur) [début] The remote sensing and photogrammetric community has witnessed significant evolution during the last decade and is facing today a new paradigm in data processing and analysis. Indeed, the development of new satellite remote sensing missions leads to an increasing amount of multi-temporal data, with improved spatial, spectral, and temporal resolutions, available at various scales (Berger and Aschbacher, 2012; Belward and Skøien, 2015). In parallel, data becomes available for free, often through dedicated infrastructures, with the opening of satellite and aerial image archives (Landsat and Spot World Heritage, Sentinel missions (Wulder and Coops, 2014)) and with the growing power of benchmark contests, more focused on very high resolution data provision (Benedek and Szirányi, 2009; Rottensteiner et al., 2014; Vallet et al., 2015) or on data fusion (Debes et al., 2014). Consequently, it has never been so easy to collect multiple observations for large areas of the Earth’s surface, which has significantly raised the interest of the scientific community and permitted the development of innovative methods for handling and analysing temporal series of (multimodal) datasets (Bovolo et al., 2013). Numéro de notice : A2015--063 Affiliation des auteurs : LASTIG MATIS+Ext (2012-2019) Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 1016/j.isprsjprs.2015.07.005 En ligne : http://dx.doi.org/10.1016/j.isprsjprs.2015.07.005 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83527
in ISPRS Journal of photogrammetry and remote sensing > vol 107 (September 2015) . - pp 1 - 2[article]vol 107 - September 2015 - Multitemporal remote sensing data analysis (Bulletin de ISPRS Journal of photogrammetry and remote sensing) / Clément Mallet
[n° ou bulletin]
est un bulletin de ISPRS Journal of photogrammetry and remote sensing / International society for photogrammetry and remote sensing (1980 -) (1990 -)
Titre : vol 107 - September 2015 - Multitemporal remote sensing data analysis Type de document : Périodique Auteurs : Clément Mallet , Éditeur scientifique ; Nesrine Chehata , Éditeur scientifique ; Grégoire Mercier, Éditeur scientifique Année de publication : 2015 Langues : Anglais (eng) Descripteur : [Termes IGN] analyse de données
[Termes IGN] données multitemporellesNuméro de notice : sans Affiliation des auteurs : IGN+Ext (2012-2019) Thématique : IMAGERIE Nature : Numéro de périodique nature-HAL : DirectOuvrColl/Actes En ligne : http://www.sciencedirect.com/science/journal/09242716/107 Format de la ressource électronique : URL bulletin Permalink : https://documentation.ensg.eu/index.php?lvl=bulletin_display&id=26017 [n° ou bulletin]Contient
- Street environment change detection from mobile laser scanning point clouds / Wen Xiao in ISPRS Journal of photogrammetry and remote sensing, vol 107 (September 2015)
- TerraSAR-X dual-pol time-series for mapping of wetland vegetation / Julie Betbeder in ISPRS Journal of photogrammetry and remote sensing, vol 107 (September 2015)
- Monitoring forest cover loss using multiple data streams, a case study of a tropical dry forest in Bolivia / Loïc Paul Dutrieux in ISPRS Journal of photogrammetry and remote sensing, vol 107 (September 2015)
- Editorial Theme Issue "Multitemporal remote sensing data analysis" / Clément Mallet in ISPRS Journal of photogrammetry and remote sensing, vol 107 (September 2015)
TerraSAR-X dual-pol time-series for mapping of wetland vegetation / Julie Betbeder in ISPRS Journal of photogrammetry and remote sensing, vol 107 (September 2015)PermalinkUrbanization of the United States over two centuries: an approach based on a long-term database (1790–2010) / Anne Bretagnolle in International journal of geographical information science IJGIS, vol 29 n° 5 (May 2015)PermalinkVegetation Burn Severity Mapping Using Landsat-8 and WorldView-2 / Zhuoting Wu in Photogrammetric Engineering & Remote Sensing, PERS, vol 81 n° 2 (February 2015)PermalinkClassification and change detection in multi - epoch airborne laser scanning point clouds / Sudan Xu (2015)PermalinkPermalinkSemisupervised manifold alignment of multimodal remote sensing images / Devis Tuia in IEEE Transactions on geoscience and remote sensing, vol 52 n° 12 (December 2014)PermalinkDescription des états annuels et des évolutions de la couverture végétale observée par des séries temporelles d’images MODIS dans le parc national de Hwange (Zimbabwe) / Elodie Buard in Revue Française de Photogrammétrie et de Télédétection, n° 207 (Juillet 2014)PermalinkComparing seven candidate mission configurations for temporal gravity field retrieval through full-scale numerical simulation / Basem Elsaka in Journal of geodesy, vol 88 n° 1 (January 2014)PermalinkPermalinkA comprehensive review of earthquake-induced building damage detection with remote sensing techniques / Laigen Dong in ISPRS Journal of photogrammetry and remote sensing, vol 84 (October 2013)PermalinkVisual discovery of synchronisation in weather data at multiple temporal resolutions / Xiaojing Wu in Cartographic journal (the), vol 50 n° 3 (August 2013)Permalinkvol 51 n° 4 Tome 1 - April 2013 - Part 1 of 2 parts (Bulletin de IEEE Transactions on geoscience and remote sensing) / Geoscience and remote sensing societyPermalinkSTARS : A new method for multitemporal remote sensing / Marcio Pupin Mello in IEEE Transactions on geoscience and remote sensing, vol 51 n° 4 Tome 1 (April 2013)PermalinkLes résolutions des bases de données "occupation du sol" et la mesure du changement / Aurélie Bousquet in Espace géographique, vol 42 n° 1 (janvier - mars 2013)PermalinkWaiting to know the future: A SLEUTH model forecast of urban growth with real data / G. Manca in Cartographica, vol 47 n° 4 (December 2012)PermalinkSeismic-zonation of Port-au-Prince using pixel- object-based imaging analysis methods on Aster GDEM / S. Yong in Photogrammetric Engineering & Remote Sensing, PERS, vol 77 n° 9 (September 2011)PermalinkMéthode de constitution de bases de données historiques pour le suivi des tissus urbains / Anne Puissant in Géomatique expert, n° 75 (01/06/2010)PermalinkThe development of an integrated technical-methodical approach to visualise hydrological processes in an exemplary post-mining area in Central Germany / C. Glässer in ISPRS Journal of photogrammetry and remote sensing, vol 65 n° 3 (May - June 2010)PermalinkSampling approaches for one-pass land-use/land-cover change mapping / Zhi Huang in International Journal of Remote Sensing IJRS, vol 31 n° 6 (March 2010)PermalinkLand-cover change detection using one-class support vector machine / P. Li in Photogrammetric Engineering & Remote Sensing, PERS, vol 76 n° 3 (March 2010)Permalink