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Graph-based leaf–wood separation method for individual trees using terrestrial lidar point clouds / Zhilin Tian in IEEE Transactions on geoscience and remote sensing, vol 60 n° 11 (November 2022)
[article]
Titre : Graph-based leaf–wood separation method for individual trees using terrestrial lidar point clouds Type de document : Article/Communication Auteurs : Zhilin Tian, Auteur ; Shihua Li, Auteur Année de publication : 2022 Article en page(s) : n° 5705111 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie
[Termes IGN] bois
[Termes IGN] branche (arbre)
[Termes IGN] chemin le plus court, algorithme du
[Termes IGN] données lidar
[Termes IGN] échantillonnage de données
[Termes IGN] extraction de traits caractéristiques
[Termes IGN] feuille (végétation)
[Termes IGN] graphe
[Termes IGN] Python (langage de programmation)
[Termes IGN] segmentation
[Termes IGN] semis de pointsRésumé : (auteur) Terrestrial light detection and ranging (lidar) is capable of resolving trees at the branch/leaf level with accurate and dense point clouds. The separation of leaf and wood components is a prerequisite for the estimation of branch/leaf-scale biophysical properties and realistic tree model reconstruction. Most existing methods have been tested on trees with similar structures; their robustness for trees of different species and sizes remains relatively unexplored. This study proposed a new graph-based leaf–wood separation (GBS) method for individual trees purely using the xyz -information of the point cloud. The GBS method fully utilized the shortest path-based features, as the shortest path can effectively reflect the structures for trees of different species and sizes. Ten types of tree data—covering tropical, temperate, and boreal species—with heights ranging from 5.4 to 43.7 m, were used to test the method performance. The mean accuracy and kappa coefficient at the point level were 94% and 0.78, respectively, and our method outperformed two other state-of-the-art methods. Through further analysis and testing, the GBS method exhibited a strong ability for detecting small and leaf-surrounded branches, and was also sufficiently robust in terms of data subsampling. Our research further demonstrated the potential of the shortest path-based features in leaf–wood separation. The entire framework was provided for use as an open-source Python package, along with our labeled validation data. Numéro de notice : A2022-853 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2022.3218603 Date de publication en ligne : 01/11/2022 En ligne : https://doi.org/10.1109/TGRS.2022.3218603 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102099
in IEEE Transactions on geoscience and remote sensing > vol 60 n° 11 (November 2022) . - n° 5705111[article]Predicting the variability in pedestrian travel rates and times using crowdsourced GPS data / Michael J. Campbell in Computers, Environment and Urban Systems, vol 97 (October 2022)
[article]
Titre : Predicting the variability in pedestrian travel rates and times using crowdsourced GPS data Type de document : Article/Communication Auteurs : Michael J. Campbell, Auteur ; Philip E. Dennison, Auteur ; Matthew Thompson, Auteur Année de publication : 2022 Article en page(s) : n° 101866 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] base de données localisées
[Termes IGN] Californie (Etats-Unis)
[Termes IGN] chemin le moins coûteux, algorithme du
[Termes IGN] données issues des réseaux sociaux
[Termes IGN] durée de trajet
[Termes IGN] mobilité urbaine
[Termes IGN] navigation pédestre
[Termes IGN] pente
[Termes IGN] planification urbaine
[Termes IGN] trace GPS
[Termes IGN] Utah (Etas-Unis)Résumé : (auteur) Accurately predicting pedestrian travel times is critically valuable in emergency response, wildland firefighting, disaster management, law enforcement, and urban planning. However, the relationship between pedestrian movement and landscape conditions is highly variable between individuals, making it difficult to estimate how long it will take broad populations to get from one location to another on foot. Although functions exist for predicting travel rates, they typically oversimplify the inherent variability of pedestrian travel by assuming the effects of landscapes on movement are universal. In this study, we present an approach for predicting the variability in pedestrian travel rates and times using a large, crowdsourced database of GPS tracks. Acquired from the outdoor recreation website AllTrails, these tracks represent nearly 2000 hikes on a diverse range of trails in Utah and California, USA. We model travel rates as a function of the slope of the terrain by generating a series of non-linear percentile models from the 2.5 th to the 97.5 th by 2.5 percentiles. The 50 th percentile model, representing the hiking speed of the typical individual, demonstrates marked improvement over existing slope-travel rate functions when compared to an independent test dataset. Our results demonstrate novel capacity to estimate travel time variability, with modeled percentiles being able to predict actual percentiles with less than 10% error. Travel rate functions can also be applied to least cost path analysis to provide variability in travel times. Numéro de notice : A2022-599 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.compenvurbsys.2022.101866 Date de publication en ligne : 20/08/2022 En ligne : https://doi.org/10.1016/j.compenvurbsys.2022.101866 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101452
in Computers, Environment and Urban Systems > vol 97 (October 2022) . - n° 101866[article]Cost distances and least cost paths respond differently to cost scenario variations: a sensitivity analysis of ecological connectivity modeling / Paul Savary in International journal of geographical information science IJGIS, vol 36 n° 8 (August 2022)
[article]
Titre : Cost distances and least cost paths respond differently to cost scenario variations: a sensitivity analysis of ecological connectivity modeling Type de document : Article/Communication Auteurs : Paul Savary, Auteur ; Jean-Christophe Foltête, Auteur ; Stéphane Garnier, Auteur Année de publication : 2022 Article en page(s) : pp 1652-1676 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] analyse de sensibilité
[Termes IGN] chemin le moins coûteux, algorithme du
[Termes IGN] connexité (topologie)
[Termes IGN] coûtRésumé : (auteur) Biodiversity conservation measures designed to ensure ecological connectivity depend on the reliable modeling of species movements. Least-cost path modeling makes it possible to identify the most likely dispersal paths within a landscape and provide two items of ecological relevance: (i) the spatial location of these least-cost paths (LCPs) and (ii) the accumulated cost along them (’cost distance’, CD). This spatial analysis requires that cost values be assigned to every type of land cover. The sensitivity of both LCPs and CDs to the cost scenarios has not been comprehensively assessed across realistic landscapes and diverging cost scenarios. We therefore assessed it in diverse landscapes sampled over metropolitan France and with widely diverging cost scenarios. The spatial overlap of the LCPs was more sensitive to the cost scenario than the CD values were. In addition, highly correlated CD matrices can be derived from very different cost scenarios. Although the range of the cost values and the properties of each cost scenario significantly influenced the outputs of LCP modeling, landscape composition and configuration variables also explained their variations. Accordingly, we provide guidelines for the use of LCP modeling in ecological studies and conservation planning. Numéro de notice : A2022-614 Affiliation des auteurs : non IGN Thématique : BIODIVERSITE/GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2021.2014852 Date de publication en ligne : 21/12/2021 En ligne : https://doi.org/10.1080/13658816.2021.2014852 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101368
in International journal of geographical information science IJGIS > vol 36 n° 8 (August 2022) . - pp 1652-1676[article]BuyTheDips : PathLoss for improved topology-preserving deep learning-based image segmentation / Minh On Vu Ngoc (2022)
Titre : BuyTheDips : PathLoss for improved topology-preserving deep learning-based image segmentation Type de document : Article/Communication Auteurs : Minh On Vu Ngoc, Auteur ; Yizi Chen , Auteur ; Nicolas Boutry, Auteur ; Jonathan Fabrizio, Auteur ; Clément Mallet , Auteur Editeur : Ithaca [New York - Etats-Unis] : ArXiv - Université Cornell Année de publication : 2022 Projets : SODUCO / Perret, Julien Importance : 13 p. Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] apprentissage profond
[Termes IGN] chemin le plus court, algorithme du
[Termes IGN] fonction de perte
[Termes IGN] image numérique
[Termes IGN] proximité sémantique
[Termes IGN] segmentation d'imageRésumé : (auteur) Capturing the global topology of an image is essential for proposing an accurate segmentation of its domain. However, most of existing segmentation methods do not preserve the initial topology of the given input, which is detrimental for numerous downstream object-based tasks. This is all the more true for deep learning models which most work at local scales. In this paper, we propose a new topology-preserving deep image segmentation method which relies on a new leakage loss: the Pathloss. Our method is an extension of the BALoss [1], in which we want to improve the leakage detection for better recovering the closeness property of the image segmentation. This loss allows us to correctly localize and fix the critical points (a leakage in the boundaries) that could occur in the predictions, and is based on a shortest-path search algorithm. This way, loss minimization enforces connectivity only where it is necessary and finally provides a good localization of the boundaries of the objects in the image. Moreover, according to our research, our Pathloss learns to preserve stronger elongated structure compared to methods without using topology-preserving loss. Training with our topological loss function, our method outperforms state-of-the-art topology-aware methods on two representative datasets of different natures: Electron Microscopy and Historical Map. Numéro de notice : P2022-005 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : IMAGERIE/INFORMATIQUE Nature : Preprint nature-HAL : Préprint DOI : 10.48550/arXiv.2207.11446 En ligne : https://doi.org/10.48550/arXiv.2207.11446 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101338 Road traffic crashes and emergency response optimization: a geo-spatial analysis using closest facility and location-allocation methods / Sulaiman Yunus in Geomatics, Natural Hazards and Risk, vol 13 (2022)
[article]
Titre : Road traffic crashes and emergency response optimization: a geo-spatial analysis using closest facility and location-allocation methods Type de document : Article/Communication Auteurs : Sulaiman Yunus, Auteur ; Ishaq A. Abdulkarim, Auteur Année de publication : 2022 Article en page(s) : pp 1535 - 1555 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] accident de la route
[Termes IGN] allocation
[Termes IGN] chemin le plus court, algorithme du
[Termes IGN] distribution spatiale
[Termes IGN] données localisées
[Termes IGN] équipement sanitaire
[Termes IGN] itinéraire
[Termes IGN] Nigéria
[Termes IGN] optimisation (mathématiques)
[Termes IGN] réseau routier
[Termes IGN] secours d'urgenceRésumé : (auteur) Increased occurrence of road traffic crashes in Kano metropolis has resulted in a steady loss of lives, injuries, and increased people's risk exposure. This study looked into the emergency response to road traffic crashes in Kano, with a view to improving efficiency by developing linkages and synergy between Emergency Healthcare Facilities (EHCF), ambulances, and crash hotspots. The geographical location and attributes of the major EHCF, crash hotspots along highway intersections, and the two existent ambulances at the Kano State Fire Service (KSFS) and Federal Road Safety Corp head offices (FRSC) were obtained using GPS surveying. Road traffic network data (vector format) was digitized from satellite image, from which two major road classes (highways and minor roads) were identified, as well as their respective speed limits. The length and speed constraints were used to calculate time distances. Nearest Neighbor and Network (closest facility, shortest route, and location-allocation) analyses were carried out. Location-allocation analysis was to determine based on defined criteria the best locations to allocate EHCF or ambulance for optimum coverage. The results demonstrated that EHCF, ambulances, and crash places have different distribution patterns with almost no linkages. Closest ambulance facility analysis revealed the FRSC ambulance takes 9.41 minutes to arrive to crash spot 18 (Maiduguri Road, following NNPC) and 7.52 minutes to arrive at AKTH, the nearest EHCF. Comparatively, getting to Court road incident scene (spot 16) and IRPH as the closest EHCF takes about 3 times the time it takes to get to spot 18 and 4 times the time it takes to get to AKTH. This means that practically almost all victims in the city suffocate before reaching to the hospital. This signifies that, in cases of demand for CPR at the incident scene, there are higher likelihood of dying as it is expected to be provided within the first four minutes after the crash. Based on a maximum of 4 minutes impedance cutoff from all directions towards the occurrences areas, location-allocation analysis found eight new locations to maximize coverage and improve efficiency. It is concluded that current road traffic crash emergency response system has been determined to be ineffective. As a result, more ambulances should be strategically placed to improve emergency response times. Numéro de notice : A2022-884 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/19475705.2022.2086829 Date de publication en ligne : 16/06/2022 En ligne : https://doi.org/10.1080/19475705.2022.2086829 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102209
in Geomatics, Natural Hazards and Risk > vol 13 (2022) . - pp 1535 - 1555[article]Constrained shortest path problems in bi-colored graphs: a label-setting approach / Amin AliAbdi in Geoinformatica, vol 25 n° 3 (July 2021)PermalinkA framework to manage uncertainty in the computation of waste collection routes after a flood / Arnaud Le Guilcher in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol V-4-2021 (July 2021)PermalinkPgRouting : des fonctions de graphe pour PostGreSQL et POstGIS / Anonyme in Géomatique expert, n° 134 (avril 2021)PermalinkA trajectory restoration algorithm for low-sampling-rate floating car data and complex urban road networks / Bozhao Li in International journal of geographical information science IJGIS, vol 35 n° 4 (April 2021)PermalinkFinding the most navigable path in road networks / Ramneek Kaur in Geoinformatica, vol 25 n° 1 (January 2021)PermalinkIntroducing diversion graph for real-time spatial data analysis with location based social networks / Sameera Kannangara (2021)PermalinkMachine learning for the distributed and dynamic management of a fleet of taxis and autonomous shuttles / Tatiana Babicheva (2021)PermalinkRoute intersection reduction with connected autonomous vehicles / Sadegh Motallebi in Geoinformatica, vol 25 n° 1 (January 2021)PermalinkAutomated labeling of schematic maps by optimization with knowledge acquired from existing maps / Tian Lan in Transactions in GIS, Vol 24 n° 6 (December 2020)PermalinkLes stations virtuelles au service de la cartographie mobile / Mathieu Regul in XYZ, n° 165 (décembre 2020)PermalinkGeneration of crowd arrival and destination locations/times in complex transit facilities / Brian Ricks in The Visual Computer, vol 36 n° 8 (August 2020)PermalinkEvaluating the impact of visualization of risk upon emergency route-planning / Lisa Cheong in International journal of geographical information science IJGIS, vol 34 n° 5 (May 2020)PermalinkThe "Incense Road" from Petra to Gaza: an analysis using GIS and Cost functions / Motti Zohar in International journal of geographical information science IJGIS, vol 34 n° 2 (February 2020)PermalinkSMSM: a similarity measure for trajectory stops and moves / Andre L. Lehmann in International journal of geographical information science IJGIS, vol 33 n° 9 (September 2019)PermalinkAnalyse spatiotemporelle des tournées de livraison d’une entreprise de livraison à domicile / Khaled Belhassine in Revue internationale de géomatique, vol 29 n° 2 (avril - juin 2019)PermalinkA topographically preserved road‐network tile model and optimal routing method for virtual globes / Quanhua Dong in Transactions in GIS, vol 23 n° 2 (April 2019)PermalinkInferring user tasks in pedestrian navigation from eye movement data in real-world environments / Hua Liao in International journal of geographical information science IJGIS, Vol 33 n° 3-4 (March - April 2019)PermalinkPoint clouds for direct pedestrian pathfinding in urban environments / Jesus Balado in ISPRS Journal of photogrammetry and remote sensing, vol 148 (February 2019)PermalinkGéomatique webmapping en open source / David Collado (2019)PermalinkUn algorithme pour battre le record du SwissTrainChallenge : poser le pied dans chacun des 26 cantons le plus rapidement possible en utilisant uniquement des transports publics / Emmanuel Clédat in XYZ, n° 157 (décembre 2018 - février 2019)PermalinkAn algorithm for on-the-fly K shortest paths finding in multi-storey buildings using a hierarchical topology model / Rosen Ivanov in International journal of geographical information science IJGIS, vol 32 n° 11-12 (November - December 2018)PermalinkA hybrid ensemble learning method for tourist route recommendations based on geo-tagged social networks / Lin Wan in International journal of geographical information science IJGIS, vol 32 n° 11-12 (November - December 2018)PermalinkSea-land interdependence in the global maritime network: the case of Australian port cities / Justin Berli in Networks and Spatial Economics, vol 18 n° 3 (September 2018)PermalinkA context-based geoprocessing framework for optimizing meetup location of multiple moving objects along road networks / Shaohua Wang in International journal of geographical information science IJGIS, vol 32 n° 7-8 (July - August 2018)PermalinkThe characteristics of asymmetric pedestrian behavior : A preliminary study using passive smartphone location data / Nick Malleson in Transactions in GIS, vol 22 n° 2 (April 2018)PermalinkSemantic enrichment of octree structured point clouds for multi‐story 3D pathfinding / Florian W. Fichtner in Transactions in GIS, vol 22 n° 1 (February 2018)PermalinkPermalinkHub Labels on the database for large-scale graphs with the COLD framework / Alexandros Efentakis in Geoinformatica, vol 21 n° 4 (October - December 2017)PermalinkSnapshot and continuous points-based trajectory search / Shuyao Qi in Geoinformatica, vol 21 n° 4 (October - December 2017)PermalinkCrowdsourcing a cyclist perspective on suggested recreational paths in real-world networks / Kevin Baker in Cartography and Geographic Information Science, Vol 44 n° 5 (September 2017)PermalinkRéduction de l'erreur systématique de mesure géométrique par enrichissement altimétrique des données géographiques / Jean-François Girres in Cartes & Géomatique, n° 233 (septembre - novembre 2017)PermalinkPermalinkA method for finding a least-cost wide path in raster space / Takeshi Shirabe in International journal of geographical information science IJGIS, vol 30 n° 7- 8 (July - August 2016)PermalinkTrajectory Box Plot: a new pattern to summarize movements / Laurent Etienne in International journal of geographical information science IJGIS, vol 30 n° 5-6 (May - June 2016)PermalinkMulti-agent based path planning for first responders among moving obstacles / Zhiyong Wang in Computers, Environment and Urban Systems, vol 56 (March 2016)PermalinkSeamline determination for high resolution orthoimage mosaicking using watershed segmentation / Wang Mi in Photogrammetric Engineering & Remote Sensing, PERS, vol 82 n° 2 (February 2016)PermalinkThe interaction of landmarks and map alignment in you-are-here maps / Grant McKenzie in Cartographic journal (the), Vol 53 n° 1 (February 2016)PermalinkThe role of contextual info-marks in navigating a virtual rural environment / Adam Rousell in Transactions in GIS, vol 20 n° 1 (February 2016)PermalinkPermalinkSPLZ: An efficient algorithm for single source shortest path problem using compression method / Jingwei Sun in Geoinformatica, vol 20 n° 1 (January - March 2016)PermalinkA hybrid link-node approach for finding shortest paths in road networks with turn restrictions / Qingquan Li in Transactions in GIS, vol 19 n° 6 (December 2015)PermalinkCar navigation – computing routes that avoid complicated crossings / Jukka Mathias Krisp in International journal of geographical information science IJGIS, vol 29 n° 11 (November 2015)PermalinkPlanning unobstructed paths in traffic-aware spatial networks / Shuo Shang in Geoinformatica, vol 19 n° 4 (October - December 2015)PermalinkParcourir et marquer le temps : premiers éléments pour une étude diachronique appliquée à la cartographie d'itinéraire / Quentin Morcette in Cartes & Géomatique, n° 225 (septembre 2015)PermalinkSimulating and visualizing sidewalk accessibility for wayfinding of people with disabilities / Mohammadamin Tajgardoon in International journal of cartography, vol 1 n° 1 (August 2015)PermalinkPoints of interest recommendation from GPS trajectories / Yaqiong Liu in International journal of geographical information science IJGIS, vol 29 n° 6 (June 2015)PermalinkContext-aware abstraction and generalization of street networks: two cognitively engineered user-oriented approaches using network Voronoi diagrams / Mahdi Rahimi in Geocarto international, vol 30 n° 5 - 6 (May - July 2015)PermalinkAutomatic selection of landmarks for navigation guidance / Rui Zhu in Transactions in GIS, vol 19 n° 2 (April 2015)PermalinkA dilution-matching-encoding compaction of trajectories over road networks / Ranit Gotsman in Geoinformatica, vol 19 n° 2 (April - June 2015)PermalinkMeasuring the reliability of wheelchair user route planning based on volunteered geographic information / Pascal Neis in Transactions in GIS, vol 19 n° 2 (April 2015)PermalinkAlgorithms for vision-based path following along previously taught paths / Deon George Sabatta (2015)PermalinkA comparative analysis of routes generated by Web Mapping APIs / Monsak Socharoentum in Cartography and Geographic Information Science, Vol 42 n° 1 (January 2015)PermalinkPermalinkThe development of integrated terrestrial and marine pathways in the Argo-Saronic region, Greece / J. M. L. Newhard in Cartography and Geographic Information Science, vol 41 n° 4 (September 2014)PermalinkAn assisting, constrained 3D navigation technique for multiscale virtual 3D city models / Dieter Hildebrandt in Geoinformatica, vol 18 n° 3 (July 2014)PermalinkCompression of trajectory data: a comprehensive evaluation and new approach / Jonathan Muckell in Geoinformatica, vol 18 n° 3 (July 2014)PermalinkPermalinkCartographie routière navigable sur Tahiti : Référentiel routier / Anna Mouget (2014)PermalinkGeographic Information Science, 8th International Conference, GIScience 2014, Vienna Austria, September 24-26, 2014 / Matt Duckham (2014)PermalinkUrban accessibility diagnosis from mobile laser scanning data / Andrès Serna in ISPRS Journal of photogrammetry and remote sensing, vol 84 (October 2013)PermalinkUrban network analysis: Centrality, sinuosity and shortcut detection / Theophile Emmanouilidis in Revue internationale de géomatique, vol 23 n° 3 - 4 (septembre 2013 - février 2014)PermalinkLinking time geography and activity theory to support the activities of mobile information seekers / Paul Crease in Transactions in GIS, vol 17 n° 4 (August 2013)PermalinkFinding optimal travel routes with uncertain cost data / Denis J. Dean in Transactions in GIS, vol 17 n° 2 (April 2013)PermalinkComparison of different strategies for determining raster-based least-cost paths with a minimum amount of distortion / H. Antikainen in Transactions in GIS, vol 17 n° 1 (February 2013)PermalinkAerial image mosaicking with aid of vector roads / D. Wang in Photogrammetric Engineering & Remote Sensing, PERS, vol 78 n° 11 (November 2012)PermalinkRoutingfunktionalitäten in einer WebMapping-Anwendung basierend auf OpenStreetMap-Daten / K. Behncke in ZFV, Zeitschrift für Geodäsie, Geoinformation und Landmanagement, vol 137 n° 4 (01/09/2012)PermalinkThe partial sequenced route query with traveling rules in road networks / H. Chen in Geoinformatica, vol 15 n° 3 (July 2011)PermalinkImproving accessibility information in pedestrian maps and databases / M. Laasko in Cartographica, vol 46 n° 2 (June 2011)PermalinkOptimal routefinding with unlimited possible directions of movement / Denis J. Dean in Transactions in GIS, vol 15 n° 1 (February 2011)PermalinkAn extension of GIS-based least-cost path modelling to the location of wide paths / Alexandre B. Goncalves in International journal of geographical information science IJGIS, vol 24 n°7-8 (july 2010)PermalinkBing Maps / N. Boonaert (2010)PermalinkMulti-criteria evaluation and least-cost path analysis for optimal haulage routing of dump trucks in large scale open-pit mines / Yunjung Choi in International journal of geographical information science IJGIS, vol 23 n°11-12 (november 2009)PermalinkThe influence of map design on route choice from public transportation maps in urban areas / H. Hochmair in Cartographic journal (the), vol 46 n° 3 (August 2009)PermalinkAnt intelligence for solving optimal path-covering problems with multi-objectives / X. Li in International journal of geographical information science IJGIS, vol 23 n° 7-8 (july 2009)PermalinkOn A* search with stopover areas / T. Sander in International journal of geographical information science IJGIS, vol 23 n° 6 (june 2009)PermalinkFinding shortest paths on real road networks: the case for A* / W. Zeng in International journal of geographical information science IJGIS, vol 23 n°3-4 (march - april 2009)PermalinkSpatial Information Theory, COSIT 2009, 9th International Conference, Aber Wrac'h, France, September 2009 / Kathleen Stewart Hornsby (2009)PermalinkProcessing optimal sequenced route queries using Voronoi diagrams / M. Sharifzadeh in Geoinformatica, vol 12 n° 4 (December 2008)PermalinkA spatiotemporal data model for dynamic transit networks / R. Huang in International journal of geographical information science IJGIS, vol 22 n° 4-5 (april 2008)PermalinkA shortest path algorithm with novel heuristics for dynamic transportation networks / B. Huang in International journal of geographical information science IJGIS, vol 21 n° 6-7 (july 2007)PermalinkA schedule-based pathfinding algorithm for transit networks using Pattern First Search [PFS] / R. Huang in Geoinformatica, vol 11 n° 2 (June - August 2007)PermalinkEffets spatiaux et effets réseau dans l’évaluation d’indicateurs sur les nœuds d’un réseau d’infrastructure / Jean-François Gleyze in Cybergeo, European journal of geography, n° 2007 ([01/01/2007])PermalinkGABRIEL: Gis activity-based travel simulator, activity scheduling in the presence of real-time information / Mei-Po Kwan in Geoinformatica, vol 10 n° 4 (December 2006)Permalink3D dynamic emergency routing: directing vehicles in complex urban environments / Z. Qing in GIM international, vol 20 n° 6 (June 2006)PermalinkGeographic information science, 4th international conference, GIScience 2006, Münster, Germany, September 2006 / Martin Raubal (2006)PermalinkGI for the public: the terrorist attack in London: services and information corrigible / Stephan Winter in Geoinformatics, vol 8 n° 7 (01/10/2005)PermalinkL'information géographique plutôt handicapée / Françoise de Blomac in SIG la lettre, n° 65 (mars 2005)PermalinkCalcul de zones isochrones / M. Le Bars (2005)PermalinkDeriving new minimum cost pathways from existing paths / Denis J. Dean in Cartography and Geographic Information Science, vol 32 n° 1 (January 2005)PermalinkDéveloppements de grandes déviations pour des sommes pondérées appliqués à un problème géographique / Olivier Bonin (2005)PermalinkLe map-matching / F. Le Gallo (2005)PermalinkLa vulnérabilité structurelle des réseaux de transport dans un contexte de risques, Volume 1. Volume principal / Jean-François Gleyze (2005)PermalinkLa vulnérabilité structurelle des réseaux de transport dans un contexte de risques, Volume 2. Annexes / Jean-François Gleyze (2005)PermalinkExtensions to least-cost path algorithms for roadway planning / C. Yu in International journal of geographical information science IJGIS, vol 17 n° 4 (june 2003)PermalinkDéveloppement de la solution NAVIMAP / A. Lebreton (2003)PermalinkFonctionnalité du réseau de métro parisien : Efficacité et fiabilité du réseau de métro parisien dans l'éventualité des catastrophes / Jean-François Gleyze (2003)PermalinkRouting in graphs with forbidden paths / Dieter Fritsch in GIS Geo-Informations-Systeme, vol 2002 n° 6 (Juni 2002)PermalinkLes SIG partent en tournées / Françoise de Blomac in SIG la lettre, n° 34 (février 2002)PermalinkModèle d'erreurs dans une base de données géographiques et grandes déviations pour des sommes pondérées / Olivier Bonin (2002)PermalinkDetection of urban structures in SAR images by robust fuzzy clustering algorithms: the example of street tracking / F. Dell'acqua in IEEE Transactions on geoscience and remote sensing, vol 39 n° 10 (October 2001)PermalinkAdvances in spatial data bases, 5th International Symposium, SSD '97, Berlin, Germany, July 15-18 1997 / Agnès Voisard (1997)PermalinkPermalink