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3D-GIS parametric modelling for virtual urban simulation using CityEngine / Ibrahim M. Badwi in Annals of GIS, vol 28 n° 3 (July 2022)
[article]
Titre : 3D-GIS parametric modelling for virtual urban simulation using CityEngine Type de document : Article/Communication Auteurs : Ibrahim M. Badwi, Auteur ; Hisham M. Ellaithy, Auteur ; Hidi E. Youssef, Auteur Année de publication : 2022 Article en page(s) : pp 325 - 341 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] base de données localisées
[Termes IGN] Bâti-3D
[Termes IGN] CityEngine
[Termes IGN] données localisées 2D
[Termes IGN] Egypte
[Termes IGN] empreinte
[Termes IGN] espace vert
[Termes IGN] modèle 3D de l'espace urbain
[Termes IGN] réseau routier
[Termes IGN] SIG 3D
[Termes IGN] système d'information urbain
[Termes IGN] urbanismeRésumé : (auteur) Modelling and visualization of three-dimensional (3D) models for cities is a great challenge for computer software and graphics. Recently, 3D city modelling has grown due to advances in applications accompanying the information technology revolution. 3D Geographic Information Systems (3D-GIS) have evolved enormously due to the availability of large-scale 3D modelling techniques. These technologies have become very important in representing large cities and conducting various analyses in the city’s virtual environment to support urban decision-making. CityEngine is one of the most recent 3D-GIS modelling applications. CityEngine can be described as parametric modelling using Procedural Modelling (PM) to create 3D urban elements through macros and routines. This paper highlights the importance of 3D Procedural Modelling (PM) of cities in the GIS environment using ESRI CityEngine and presents a parametric concept for designing urban spaces. This issue has been addressed in three respects. First, discuss the concept and strength of parametric design. Second, the concept of procedural modelling and its power to generate complex 3D models using a set of rules is discussed. Finally, CityEngine was evaluated through a real-world case study of a neighbourhood in the new city of Beni-Suef, Egypt. The results confirm the effectiveness of CityEngine as a 3D-GIS modelling software that generates dynamic 3D models from 2D spatial data. While the results are promising, it is important to investigate more complex cases. The CityEngine modelling approach enables comprehensive urban analyses such as sequence vision, façade studies, urban fabric and character, and statistical operations based on attribute database. Numéro de notice : A2022-641 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/URBANISME Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/19475683.2022.2037019 Date de publication en ligne : 03/03/2022 En ligne : https://doi.org/10.1080/19475683.2022.2037019 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101449
in Annals of GIS > vol 28 n° 3 (July 2022) . - pp 325 - 341[article]Exploring the relationship between the 2D/3D architectural morphology and urban land surface temperature based on a boosted regression tree: A case study of Beijing, China / Zhen Li in Sustainable Cities and Society, vol 78 (March 2022)
[article]
Titre : Exploring the relationship between the 2D/3D architectural morphology and urban land surface temperature based on a boosted regression tree: A case study of Beijing, China Type de document : Article/Communication Auteurs : Zhen Li, Auteur ; Dan Hu, Auteur Année de publication : 2022 Article en page(s) : n° 103392 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] Bâti-3D
[Termes IGN] classification et arbre de régression
[Termes IGN] corrélation
[Termes IGN] données localisées 2D
[Termes IGN] hauteur du bâti
[Termes IGN] ilot thermique urbain
[Termes IGN] image Landsat-OLI
[Termes IGN] milieu urbain
[Termes IGN] morphologie urbaine
[Termes IGN] Pékin (Chine)
[Termes IGN] saison
[Termes IGN] température au solRésumé : (auteur) With rapid urbanization, urban three-dimensional morphology and its ecological effects have received more attention. However, thorough investigations into the multiple scale impact of the 2D/3D architectural morphology on urban land surface temperature (LST) remain limited. Taking Beijing as a case study area, we quantified the contributions of the 2D/3D architectural morphology indicators and revealed their marginal effects on multiple scales using the boosted regression trees (BRT) method. The results showed that (1) the building coverage ratio and building height were the most significant factors influencing the LST across all spatial scales and seasons, (2) the 3D shape index, 3D fractal, and 3D adjacency were found to be influential factors, with sum contributions varying from 6.0% to 37.7%, and (3) in summer, the 3D shape index showed a stepwise negative correlation with the LST. The 3D fractal and 3D adjacency exhibited both positive and negative correlations with the LST. When the spatial scale was 240 m, the regulation amplitudes for the 3D shape index, 3D fractal, and 3D adjacency were 2.0°C, 1.0°C and 1.0°C, respectively. These findings provide quantitative insights that can be used to improve urban thermal environments and achieve sustainable urban development by adjusting architectural morphology. Numéro de notice : A2022-242 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1016/j.scs.2021.103392 Date de publication en ligne : 28/12/2021 En ligne : https://doi.org/10.1016/j.scs.2021.103392 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100169
in Sustainable Cities and Society > vol 78 (March 2022) . - n° 103392[article]Learning multi-view aggregation in the wild for large-scale 3D semantic segmentation / Damien Robert (2022)
Titre : Learning multi-view aggregation in the wild for large-scale 3D semantic segmentation Type de document : Article/Communication Auteurs : Damien Robert , Auteur ; Bruno Vallet , Auteur ; Loïc Landrieu , Auteur Editeur : Ithaca [New York - Etats-Unis] : ArXiv - Université Cornell Année de publication : 2022 Projets : 3-projet - voir note / Conférence : CVPR 2022, IEEE Conference on Computer Vision and Pattern Recognition 19/06/2022 24/06/2022 New Orleans Louisiane - Etats-Unis OA Proceedings Importance : pp 5575 - 5584 Note générale : bibliographie
This work was funded by ENGIE Lab CRIGEN and carried on in the LASTIG research unit of Universite Paris-Est. The authors wish to thank AI4GEO for sharing their computing resources.Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] chaîne de traitement
[Termes IGN] données localisées 2D
[Termes IGN] données localisées 3D
[Termes IGN] données massives
[Termes IGN] pixel
[Termes IGN] segmentation sémantique
[Termes IGN] semis de pointsRésumé : (auteur) Recent works on 3D semantic segmentation propose to exploit the synergy between images and point clouds by processing each modality with a dedicated network and projecting learned 2D features onto 3D points. Merging large-scale point clouds and images raises several challenges, such as constructing a mapping between points and pixels, and aggregating features between multiple views. Current methods require mesh reconstruction or specialized sensors to recover occlusions, and use heuristics to select and aggregate available images. In contrast, we propose an end-to-end trainable multi-view aggregation model leveraging the viewing conditions of 3D points to merge features from images taken at arbitrary positions. Our method can combine standard 2D and 3D networks and outperforms both 3D models operating on colorized point clouds and hybrid 2D/3D networks without requiring colorization, meshing, or true depth maps. We set a new state-of-the-art for large-scale indoor/ outdoor semantic segmentation on S3DIS (74.7 mIoU 6-Fold) and on KITTI360 (58.3 mIoU). Our full pipeline is accessible at https: //github.com/drprojects/DeepViewAgg, and only requires raw 3D scans and a set of images and poses. Numéro de notice : C2022-006 Affiliation des auteurs : UGE-LASTIG (2020- ) Autre URL associée : vers CVF/vers ArXiv Thématique : IMAGERIE/INFORMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.48550/arXiv.2204.07548 Date de publication en ligne : 15/04/2022 En ligne : https://doi.org/10.1109/CVPR52688.2022.00549 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100490 Moving objects aware sensor mesh fusion for indoor reconstruction from a couple of 2D lidar scans / Teng Wu (2020)
Titre : Moving objects aware sensor mesh fusion for indoor reconstruction from a couple of 2D lidar scans Type de document : Article/Communication Auteurs : Teng Wu , Auteur ; Bruno Vallet , Auteur ; Cédric Demonceaux, Auteur ; Jingbin Liu, Auteur Editeur : International Society for Photogrammetry and Remote Sensing ISPRS Année de publication : 2020 Collection : International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, ISSN 1682-1750 num. 43-B2 Projets : PLaTINUM / Gouet-Brunet, Valérie Conférence : ISPRS 2020, Commission 2, virtual Congress, Imaging today foreseeing tomorrow 31/08/2020 02/09/2020 Nice (en ligne) France Archives Commission 2 Importance : pp 507 - 514 Format : 21 x 30 cm Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie
[Termes IGN] données lidar
[Termes IGN] données localisées 2D
[Termes IGN] espace intérieur
[Termes IGN] fusion de données
[Termes IGN] objet mobile
[Termes IGN] reconstruction 3D
[Termes IGN] semis de pointsRésumé : (auteur) Indoor mapping attracts more attention with the development of 2D and 3D camera and Lidar sensor. Lidar systems can provide a very high resolution and accurate point cloud. When aiming to reconstruct the static part of the scene, moving objects should be detected and removed which can prove challenging. This paper proposes a generic method to merge meshes produced from Lidar data that allows to tackle the issues of moving objects removal and static scene reconstruction at once. The method is adapted to a platform collecting point cloud from two Lidar sensors with different scan direction, which will result in different quality. Firstly, a mesh is efficiently produced from each sensor by exploiting its natural topology. Secondly, a visibility analysis is performed to handle occlusions (due to varying viewpoints) and remove moving objects. Then, a boolean optimization allows to select which triangles should be removed from each mesh. Finally, a stitching method is used to connect the selected mesh pieces. Our method is demonstrated on a Navvis M3 (2D laser ranger system). Numéro de notice : C2020-008 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : IMAGERIE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.5194/isprs-archives-XLIII-B2-2020-507-2020 Date de publication en ligne : 12/08/2020 En ligne : https://doi.org/10.5194/isprs-archives-XLIII-B2-2020-507-2020 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95659 Cartographic symbol design considerations for the space–time cube / Christopher League in Cartographic journal (the), Vol 56 n° 2 (May 2019)
[article]
Titre : Cartographic symbol design considerations for the space–time cube Type de document : Article/Communication Auteurs : Christopher League, Auteur ; Patrick Kennelly, Auteur Année de publication : 2019 Article en page(s) : pp 117 - 133 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] conception cartographique
[Termes IGN] cube espace-temps
[Termes IGN] données localisées 2D
[Termes IGN] données spatiotemporelles
[Termes IGN] figuré ponctuel
[Termes IGN] saturation de la couleur
[Termes IGN] sémiologie graphique
[Termes IGN] symbole graphique 3D
[Vedettes matières IGN] GéovisualisationRésumé : (Auteur) The cartographic representation of geographic phenomena in the space–time cube comes with special challenges and opportunities when compared with two-dimensional maps. While the added dimension allows the display of attributes that vary with time, it is difficult to display rapidly varying temporal data given the limited display height. In this study, we adapt 2D cyclic point symbols to construct 3D surfaces designed along a helical path for the space–time cube. We demonstrate how these complex 3D helical surfaces can display detailed data, including data reported daily over 100 years and data reported in four-hour intervals over a year. To create the point symbols, each value is plotted along the curve of a helix, with each turn of the helix representing one year or week, respectively. The model is modified by varying the radii from the time axis to all points using the attribute value, in these cases maximum daily temperature and four-hourly ridership, and then creating a triangulated surface from the resulting points. Using techniques common to terrain representation, we apply hue and saturation to the surface based on attribute values, and lightness based on relief shading. Multiple surfaces can be displayed in a space–time cube with a consistent time interval facing the viewer, and the surfaces or viewer perspective can be rotated to display synchronized variations. We see this method as one example of how cartographic design can refine or enhance operations in the space–time cube. Numéro de notice : A2019-239 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/00087041.2018.1533291 Date de publication en ligne : 29/05/2019 En ligne : https://doi.org/10.1080/00087041.2018.1533291 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92931
in Cartographic journal (the) > Vol 56 n° 2 (May 2019) . - pp 117 - 133[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 030-2019021 RAB Revue Centre de documentation En réserve L003 Disponible EuroSDR GeoBIM project a study in Europe on how to use the potentials of BIM and GEO data in practice / Francesca Noardo (2019)PermalinkSystematic error reduction in geometric measurements based on altimetric enrichment of geographical features / Jean-François Girres in Cartographica, vol 53 n° 1 (Spring 2018)PermalinkGeolokit: An interactive tool for visualising and exploring geoscientific data in Google Earth / Antoine Triantafyllou in International journal of applied Earth observation and geoinformation, vol 62 (October 2017)PermalinkEffects of using different sources of remote sensing and geographic information system data on urban stormwater 2D–1D modeling / Yi Hong in Applied sciences, vol 7 n° 9 (September 2017)PermalinkGeovisualisation as a process of creating complementary visualisations: static two-dimensional, surface three-dimensional, and interactive / Tymoteusz Horbiński in Geodesy and cartography, vol 66 n° 1 (June 2017)PermalinkPermalinkContributions méthodologiques pour la caractérisation des milieux par imagerie optique et lidar / Nesrine Chehata (2017)PermalinkUne carrière dans les drones / Anonyme in Géomatique expert, n° 112 (septembre - octobre 2016)PermalinkGeovisualisation of animated tides in coastal area with an OpenSource OpenGL platform / Antoine Masse (2016)PermalinkPermalinkTowards the production of digital terrain models from volunteered GPS trajectories / I. Massad in Survey review, vol 47 n° 344 (September 2015)PermalinkConstruire une scène web 3D dans ArcGIS Pro / Xavier Fodor in SIGmag, n° 5 (juin 2015)PermalinkModalités de représentation en 3D de données issues du SIG2D, pour la conception et la simulation / Olivier Jest (2015)PermalinkUpdating land cover databases using a single very high resolution satellite image / Adrien Gressin in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol II-3 W2 (November 2013)PermalinkSTHist-C: a highly accurate cluster-based histogram for two and three dimensional geographic data points / Hai Thanh Mai in Geoinformatica, vol 17 n° 2 (April 2013)PermalinkGeneration and dissemination of a national virtual 3D city and landscape model for the Netherlands / Sander J. Elberink in Photogrammetric Engineering & Remote Sensing, PERS, vol 79 n° 2 (February 2013)PermalinkPermalinkModélisation 3D et accessibilité des stations multimodales du RER A de la RATP : de la 2D vers le SIG 3D du BIM [Building information model] et de la maquette numérique vers la ville numérique / D. Lellouche in XYZ, n° 133 (décembre 2012 - février 2013)PermalinkAbleitung von Bewegungsstrategien zur automatisierten, vollständigen Vermessung von Innerraumszenen auf autonom navigierender Plattform / Alexander Fietz (2012)PermalinkModélisation urbaine : de la représentation au projet. Interopérabilité et intégration des données et modèles urbains : standards, normes et tendances pour les SIG / Emmanuel Devys (2012)PermalinkFast and automatic image-based registration of TLS data / M. 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Parmehr in GIM international, vol 25 n° 2 (February 2011)PermalinkDétection de changement 2D à partir d’imagerie satellitaire : Application à la mise à jour des bases de données géographiques / Nicolas Champion (2011)PermalinkPermalink2D building change detection from high resolution satellite imagery: A two-step hierarchical method based on 3D invariant primitives / Nicolas Champion in Pattern recognition letters, vol 31 n° 10 (15 July 2010)PermalinkLa collaboration entre Brest Métrople Océane et le projet OSM / F. Vigouroux in Géomatique expert, n° 74 (01/04/2010)PermalinkSAGEO '10, conférence internationale de géomatique et d'analyse spatiale, Toulouse, 17, 18 et 19 novembre 2010 / Claude Monteil (2010)PermalinkDetection of unregistered buildings for updating 2D databases / Nicolas Champion (01/12/2009)PermalinkPermalinkA graph cut optimization guided by 3D-features for surface height recovery / Nesrine Chehata in ISPRS Journal of photogrammetry and remote sensing, vol 64 n° 2 (March - April 2009)PermalinkAutomatic revision of 2D building databases from high resolution satellite imagery : a 3D photogrammetric approach / Nicolas Champion (2009)PermalinkDetection of unregistered buildings for updating 2D databases / European Spatial Data Research EuroSDR (2009)PermalinkPermalinkLe SIG à la BSPP [brigade des sapeurs pompiers de Paris] / Anonyme in Géomatique expert, n° 66 (01/01/2009)Permalink3D laser scanning and its 2D partners: looking forward to a harmonious future together / A. 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Lee in Geoinformatica, vol 10 n° 4 (December 2006)PermalinkGéoportail : le portail des territoires et des citoyens / Patrick Leboeuf in Le monde des cartes, n° 190 (décembre 2006 - février 2007)PermalinkRadial topology algorithm: a new approach for deriving 2.5D GIS data models / U. Lenk in Geoinformatica, vol 10 n° 4 (December 2006)PermalinkSemantically correct 2.5D GIS data: the integration of a DTM and topographic vector data / A. Koch in ISPRS Journal of photogrammetry and remote sensing, vol 61 n° 1 (October 2006)PermalinkTowards geodata-based communities / Ron Van Lammeren in GIM international, vol 20 n° 8 (August 2006)PermalinkCombining spectral and spatial information into hidden Markov models for unsupervised image classification / B. Tso in International Journal of Remote Sensing IJRS, vol 26 n° 10 (May 2005)PermalinkA wavelet transform based for road centerline extraction / Tianen Chen in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 12 (December 2004)PermalinkGeodesic matching of shapes via quantization / Laurent Garcin (2004)PermalinkProceedings of the GIS Research UK, 12th Annual Conference, University of East Anglia, Norwich, 28th - 30th April 2004 / A. Lovett (2004)PermalinkReconstruction of 3D building models from aerial images and maps / ldikó Süveg in ISPRS Journal of photogrammetry and remote sensing, vol 58 n° 3-4 (January - June 2004)PermalinkImpact of relief accuracy on flood simulations and road network vulnerability analysis / Jean-François Gleyze (2003)PermalinkIntégration cohérente de données 2D et 2,5D dans un modèle numérique de terrain / A. Lafragueta (2003)PermalinkGénéralisation et représentation multiple, ch. 21. Le modèle Agent / Cécile Duchêne (2002)PermalinkInventaire des types de données de référence / IGN conseil (2002)PermalinkSIG / Patricia Bordin (2002)PermalinkApplying the theory of evidence to vector-DEM comparison for the building planimetric change detection / Olivier Jamet (1999)PermalinkDonnées géographiques multidimensionnelles (2D, relief et 3D) dans un SIG 3D / B. De Cambray in Revue internationale de géomatique, vol 5 n° 1 (mars - mai 1995)PermalinkZur Qualität der Basisdaten von Landinformationssystemen / R. Scheuring (1995)Permalink