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A minimal solution for image-based sphere estimation / Tekla Tóth in International journal of computer vision, vol 131 n° 6 (June 2023)
[article]
Titre : A minimal solution for image-based sphere estimation Type de document : Article/Communication Auteurs : Tekla Tóth, Auteur ; Levente Hajder, Auteur Année de publication : 2023 Article en page(s) : pp 1428 - 1447 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] algorithme de Levenberg-Marquardt
[Termes IGN] cône
[Termes IGN] ellipse
[Termes IGN] Matlab
[Termes IGN] reconstruction d'image
[Termes IGN] représentation géométrique
[Termes IGN] sphère
[Termes IGN] sphère paramétriqueRésumé : (auteur) We propose a novel minimal solver for sphere fitting via its 2D central projection, i.e., a special ellipse. The input of the presented algorithm consists of contour points detected in a camera image. General ellipse fitting problems require five contour points. However, taking advantage of the isotropic spherical target, three points are enough to define the tangent cone parameters of the sphere. This yields the sought ellipse parameters. Similarly, the sphere center can be estimated from the cone if the radius is known. These proposed geometric methods are rapid, numerically stable, and easy to implement. Experimental results—on synthetic, photorealistic, and real images—showcase the superiority of the proposed solutions to the state-of-the-art methods. A real-world LiDAR-camera calibration application justifies the utility of the sphere-based approach resulting in an error below a few centimeters. Numéro de notice : A2023-189 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1007/s11263-023-01766-1 Date de publication en ligne : 02/03/2023 En ligne : https://doi.org/10.1007/s11263-023-01766-1 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=103061
in International journal of computer vision > vol 131 n° 6 (June 2023) . - pp 1428 - 1447[article]Identification of enclaves and exclaves by computation based on point-set topology / Xiaonan Wang in International journal of geographical information science IJGIS, vol 37 n° 2 (February 2023)
[article]
Titre : Identification of enclaves and exclaves by computation based on point-set topology Type de document : Article/Communication Auteurs : Xiaonan Wang, Auteur Année de publication : 2023 Article en page(s) : pp 307 - 338 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] frontière
[Termes IGN] géopolitique
[Termes IGN] intersection spatiale
[Termes IGN] partition de surface
[Termes IGN] polygone
[Termes IGN] relation topologique
[Termes IGN] territoire
[Termes IGN] topologieRésumé : (auteur) Enclaves and exclaves have special roles in geography and are of particular importance to fields such as (geo)politics and economy. However, enclaves and exclaves have not been defined with sufficient formality for automatic identification yet. To identify enclaves and exclaves more generally by computational means than current definitions existing in the literature, this article proposes expressive and generalized mathematical definitions of enclaves and exclaves based on point-set topology. A novel Boundary Extended 16-Intersection Model is developed in this article to identify enclaves, and 74 possible spatial configurations of enclaves are distinguished according to conditions of intersections for polygons in partitions and enclaves. The classic Dimensionally Extended 9-Intersection Model is employed to identify exclaves, and two possible spatial configurations of exclaves are distinguished according to conditions of intersections for polygons in partitions and exclaves. Applications of the proposed definitions are exemplified by the identification of enclaves and exclaves in prototypes and in the real world. Numéro de notice : A2023-102 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2022.2120995 Date de publication en ligne : 21/09/2022 En ligne : https://doi.org/10.1080/13658816.2022.2120995 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102428
in International journal of geographical information science IJGIS > vol 37 n° 2 (February 2023) . - pp 307 - 338[article]Is the radial distance really a distance? An analysis of its properties and interest for the matching of polygon features / Yann Méneroux in International journal of geographical information science IJGIS, vol 37 n° 2 (February 2023)
[article]
Titre : Is the radial distance really a distance? An analysis of its properties and interest for the matching of polygon features Type de document : Article/Communication Auteurs : Yann Méneroux , Auteur ; Ibrahim Maidaneh Abdi , Auteur ; Arnaud Le Guilcher , Auteur ; Ana-Maria Olteanu-Raimond , Auteur Année de publication : 2023 Projets : 3-projet - voir note / Article en page(s) : pp 438 - 475 Note générale : bibliographie
This work was supported by the French National Mapping Agency: Institut National de l’Information Géographique et Forestière (IGN) and by the University of DjiboutiLangues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] abaque
[Termes IGN] algorithme de Douglas-Peucker
[Termes IGN] appariement de formes
[Termes IGN] bâtiment
[Termes IGN] BD Topo
[Termes IGN] distance
[Termes IGN] généralisation
[Termes IGN] géométrie analytique
[Termes IGN] modèle analytique
[Termes IGN] polygone
[Termes IGN] propagation d'erreur
[Termes IGN] transformation rapide de FourierRésumé : (auteur) In this paper, we examine the properties of the radial distance which has been used as a tool to compare the shape of simple surfacic objects. We give a rigorous definition of the radial distance and derive its theoretical properties, and in particular under which conditions it satisfies the distance properties. We show how the computation of the radial distance can be implemented in practice and made faster by the use of an analytical formula and a Fast Fourier Transform. Finally, we conduct experiments to measure how the radial distance is impacted by perturbation and generalization and we give abacuses and thresholds to deduce when buildings are likely to be homologous or non-homologous given their radial distance. Numéro de notice : A2023-074 Affiliation des auteurs : UGE-LASTIG (2020- ) Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2022.2123487 Date de publication en ligne : 23/09/2022 En ligne : https://doi.org/10.1080/13658816.2022.2123487 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101671
in International journal of geographical information science IJGIS > vol 37 n° 2 (February 2023) . - pp 438 - 475[article]A hexagon-based method for polygon generalization using morphological operators / Lu Wang in International journal of geographical information science IJGIS, vol 37 n° 1 (January 2023)
[article]
Titre : A hexagon-based method for polygon generalization using morphological operators Type de document : Article/Communication Auteurs : Lu Wang, Auteur ; Tinghua Ai, Auteur ; Dirk Burghardt, Auteur ; Yilang Shen, Auteur ; Min Yang, Auteur Année de publication : 2023 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] données maillées
[Termes IGN] généralisation cartographique automatisée
[Termes IGN] morphologie mathématique
[Termes IGN] polygone
[Vedettes matières IGN] GénéralisationRésumé : (auteur) Numerous methods based on square rasters have been proposed for polygon generalization. However, these methods ignore the inconsistent distance measurement among neighborhoods of squares, which may result in an imbalanced generalization in different directions. As an alternative raster, a hexagon has consistent connectivity and isotropic neighborhoods. This study proposed a hexagon-based method for polygon generalization using morphological operators. First, we defined three generalization operators: aggregation, elimination, and line simplification, based on hexagonal morphological operations. We then used corrective operations with selection, skeleton, and exaggeration to detect, classify, and correct the unreasonably reduced narrow parts of the polygons. To assess the effectiveness of the proposed method, we conducted experiments comparing the hexagonal raster to square raster and vector data. Unlike vector-based methods in which various algorithms simplified either areal objects or exterior boundaries, the hexagon-based method performed both simplifications simultaneously. Compared to the square-based method, the results of the hexagon-based method were more balanced in all neighborhood directions, matched better with the original polygons, and had smoother simplified boundaries. Moreover, it performed with shorter running time than the square-based method, where the minimal time difference was less than 1 min, and the maximal time difference reached more than 50 mins. Numéro de notice : A2023-071 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2022.2108036 Date de publication en ligne : 10/08/2022 En ligne : https://doi.org/10.1080/13658816.2022.2108036 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101387
in International journal of geographical information science IJGIS > vol 37 n° 1 (January 2023)[article]Linear building pattern recognition in topographical maps combining convex polygon decomposition / Zhiwei Wei in Geocarto international, vol 38 n° inconnu ([01/01/2023])
[article]
Titre : Linear building pattern recognition in topographical maps combining convex polygon decomposition Type de document : Article/Communication Auteurs : Zhiwei Wei, Auteur ; Su Ding, Auteur ; Lu Cheng, Auteur ; et al., Auteur Année de publication : 2023 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] carte topographique
[Termes IGN] construction
[Termes IGN] décomposition
[Termes IGN] détection du bâti
[Termes IGN] forme linéaire
[Termes IGN] généralisation cartographique automatisée
[Termes IGN] Ordnance Survey (UK)
[Termes IGN] polygone
[Termes IGN] reconnaissance de formesRésumé : (auteur) Building patterns are crucial for urban form understanding, automated map generalization, and 3 D city model visualization. The existing studies have recognized various building patterns based on visual perception rules in which buildings are considered as a whole. However, some visually aware patterns may fail to be recognized with these approaches because human vision is also proved as a part-based system. This paper first proposed an approach for linear building pattern recognition combining convex polygon decomposition. Linear building patterns including collinear patterns and curvilinear patterns are defined according to the proximity, similarity, and continuity between buildings. Linear building patterns are then recognized by combining convex polygon decomposition, in which a building can be decomposed into sub-buildings for pattern recognition. A novel node concavity is developed based on polygon skeletons which is applicable for building polygons with holes or not in the building decomposition. And building’s orthogonal features are also considered in the building decomposition. Two datasets collected from Ordnance Survey (OS) were used in the experiments to verify the effectiveness of the proposed approach. The results indicate that our approach achieves 25.57% higher precision and 32.23% higher recall in collinear pattern recognition and 15.67% higher precision and 18.52% higher recall in curvilinear pattern recognition when compared to existing approaches. Recognition of other kinds of building patterns including T-shaped and C-shaped patterns combining convex polygon decomposition are also discussed in this approach. Numéro de notice : A2022-263 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/10106049.2022.2055794 Date de publication en ligne : 27/03/2022 En ligne : https://doi.org/10.1080/10106049.2022.2055794 Format de la ressource électronique : 27/03/2022 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100260
in Geocarto international > vol 38 n° inconnu [01/01/2023][article]An automated approach for clipping geographic data before projection that maintains data integrity and minimizes distortion for virtually any projection method / Jim Graham in Cartographica, Vol 57 n° 4 (December 2022)PermalinkReconstructing compact building models from point clouds using deep implicit fields / Zhaiyu Chen in ISPRS Journal of photogrammetry and remote sensing, vol 194 (December 2022)PermalinkAn unsupervised framework for extracting multilane roads from OpenStreetMap / Kunkun Wu in International journal of geographical information science IJGIS, vol 36 n° 11 (November 2022)PermalinkA boundary-based ground-point filtering method for photogrammetric point-cloud data / Seyed Mohammad Ayazi in Photogrammetric Engineering & Remote Sensing, PERS, vol 88 n° 9 (September 2022)PermalinkParticle swarm optimization based water index (PSOWI) for mapping the water extents from satellite images / Mohammad Hossein Gamshadzaei in Geocarto international, vol 36 n° 20 ([01/12/2021])PermalinkBinary space partitioning visibility tree for polygonal and environment light rendering / Hiroki Okuno in The Visual Computer, vol 37 n° 9 - 11 (September 2021)PermalinkStructure-aware indoor scene reconstruction via two levels of abstraction / Hao Fang in ISPRS Journal of photogrammetry and remote sensing, vol 178 (August 2021)PermalinkTowards efficient indoor/outdoor registration using planar polygons / Rahima Djahel in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol V-2-2021 (July 2021)PermalinkMining regional patterns of land use with adaptive adjacent criteria / Xinmeng Tu in Cartography and Geographic Information Science, Vol 47 n° 5 (September 2020)PermalinkPlanar polygons detection in lidar scans based on sensor topology enhanced Ransac / Stéphane Guinard in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol V-2-2020 (August 2020)PermalinkRobust pose estimation and calibration of catadioptric cameras with spherical mirrors / Sagi Filin in Photogrammetric Engineering & Remote Sensing, PERS, vol 86 n° 1 (January 2020)PermalinkBuilding detection and regularisation using DSM and imagery information / Yousif A. Mousa in Photogrammetric record, vol 34 n° 165 (March 2019)PermalinkGeographic space as a living structure for predicting human activities using big data / Bin Jiang in International journal of geographical information science IJGIS, Vol 33 n° 3-4 (March - April 2019)PermalinkAnalyse de données d’OpenStreetMap en vue de discriminer l’usage du sol lié au bâti / Jocelyn Le Maître (2019)PermalinkA topology-preserving polygon rasterization algorithm / Chen Zhou in Cartography and Geographic Information Science, Vol 45 n° 6 (November 2018)PermalinkBoresight calibration of low point density Lidar sensors / Sudhagar Nagarajan in Photogrammetric Engineering & Remote Sensing, PERS, vol 84 n° 10 (October 2018)PermalinkA review of accuracy assesment for object-based image analysis: from per pixel to per-polygon approaches [review article] / Su Ye in ISPRS Journal of photogrammetry and remote sensing, vol 141 (July 2018)PermalinkGeometric reasoning with uncertain polygonal faces / Jochen Meidow in Photogrammetric Engineering & Remote Sensing, PERS, vol 84 n° 6 (juin 2018)PermalinkInfluence of sample size on automatic positional accuracy assessment methods for urban areas / Francisco Javier Ariza-López in ISPRS International journal of geo-information, vol 7 n° 6 (June 2018)PermalinkAn efficient visualization method for polygonal data with dynamic simplification / Mingguang Wu in ISPRS International journal of geo-information, vol 7 n° 4 (April 2018)PermalinkSelf-shadowing of a spacecraft in the computation of surface forces : An example in planetary geodesy / Georges Balmino in Artificial satellites, vol 53 n° 1 (March 2018)Permalink3D visualization of trees based on a sphere-board model / Jiangfeng She in ISPRS International journal of geo-information, vol 7 n° 2 (February 2018)PermalinkPartial polygon pruning of hydrographic features in automated generalization / Alexander K. Stum in Transactions in GIS, vol 21 n° 5 (October 2017)PermalinkA parallel scheme for large-scale polygon rasterization on CUDA-enabled GPUs / Chen Zhou in Transactions in GIS, vol 21 n° 3 (June 2017)PermalinkA spatial zoning approach to calibrate and validate urban growth models / Ali Kazemzadeh-Zow in International journal of geographical information science IJGIS, vol 31 n° 3-4 (March-April 2017)PermalinkContinuously generalizing buildings to built-up areas by aggregating and growing / Dongliang Peng (2017)PermalinkSymbolize map distortion with inscribed circles in polygons / Shipeng Sun in International journal of cartography, vol 2 n° 2 (December 2016)PermalinkRendering interior-filled polygonal vector data in a virtual globe / Mengyun Zhou in International journal of geographical information science IJGIS, vol 30 n° 11-12 (November - December 2016)PermalinkA simulated annealing algorithm for zoning in planning using parallel computing / Inès Santé in Computers, Environment and Urban Systems, vol 59 (September 2016)PermalinkA point-based methodology for the automatic positional accuracy assessment of geospatial databases / Juan J. Ruiz-Lendínez in Survey review, vol 48 n° 349 (July 2016)PermalinkFusion of hyperspectral images and digital surface models for urban object extraction / Janja Avbelj (2016)PermalinkPhotogrammetric computer vision / Wolfgang Förstner (2016)PermalinkPolygonal clustering analysis using multilevel graph-partition / Wanyi Wang in Transactions in GIS, vol 19 n° 5 (October 2015)PermalinkSemi-automated building footprint extraction from orthophotos / Rheannon Brooks in Geomatica, vol 69 n° 2 (June 2015)PermalinkWeighted straight skeletons in the plane / Therese Biedl in Computational Geometry : theory and applications, vol 48 n° 2 (February 2015)PermalinkPermalinkQuantitative morphometric analysis of lakes using GIS: rectangularity R, ellipticity E, orientation O, and the rectangularity vs. ellipticity index, REi / Umberto Lombardo in Cartography and Geographic Information Science, vol 41 n° 4 (September 2014)PermalinkContext-based automatic reconstruction and texturing of 3D urban terrain for quick-response tasks / Dimitri Bolatov in ISPRS Journal of photogrammetry and remote sensing, vol 93 (July 2014)PermalinkA polygon-based clustering and analysis framework for mining spatial datasets / Sujing Wang in Geoinformatica, vol 18 n° 3 (July 2014)PermalinkL'accroissement de la ressource forestière française : 810 millions de m3 supplémentaires en 30 ans / Antoine Colin in Forêt entreprise, n° 212 (septembre - octobre 2013)PermalinkConflation optimized by least squares to maintain geographic shapes / Guillaume Touya in ISPRS International journal of geo-information, vol 2 n° 3 (September 2013)PermalinkImproving representation of land-use maps derived from object-oriented image classification / Wenxiu Gao in Transactions in GIS, vol 17 n° 3 (June 2013)PermalinkInner constraints for planar features / Derek D. Lichti in Photogrammetric record, vol 28 n° 141 (March - May 2013)PermalinkPermalinkOrthorectification de surfaces complexes acquises par lasergrammétrie et photogrammétrie dans le cadre des travaux de modélisation archéologique de l’église de Dugny / Hélène Macher (2013)PermalinkPermalinkA symmetry detector for map generalization and urban-space analysis / Jan‐Henrik Haunert in ISPRS Journal of photogrammetry and remote sensing, vol 74 (Novembrer 2012)PermalinkDetecting geometric conflicts for generalisation of polygonal maps / Wenxiu Gao in Cartographic journal (the), vol 49 n° 1 (February 2012)PermalinkMeasuring historical coastal change using GIS and the change polygon approach / M. Smith in Transactions in GIS, vol 16 n° 1 (February 2012)PermalinkPermalinkPermalinkAmélioration d'une base de données d'empreintes de bâtiments pour la reconstruction 3D : une approche par découpe et fusion / Bruno Vallet in Revue Française de Photogrammétrie et de Télédétection, n° 195 (Novembre 2011)PermalinkBuilding footprint database improvement for 3D reconstruction: A split and merge approach and its evaluation / Bruno Vallet in ISPRS Journal of photogrammetry and remote sensing, vol 66 n° 5 (September - October 2011)PermalinkA new stereo algorithm based on snakes / E. Simioni in Photogrammetric Engineering & Remote Sensing, PERS, vol 77 n° 5 (May 2011)PermalinkCity model enrichment / P. Smart ; J. Quinn ; C. Jones in ISPRS Journal of photogrammetry and remote sensing, vol 66 n° 2 (March - April 2011)PermalinkHow to achieve consistency for 3D city models / G. Groger in Geoinformatica, vol 15 n° 1 (January 2011)PermalinkAdjustment computation of HASM : a high-accuracy and high speed method / T. Yue in International journal of geographical information science IJGIS, vol 24 n°11-12 (december 2010)PermalinkAlgorithms for automatic matching of polygons or closed curves derived from different images / Y. Avrahami in SaLIS Surveying and land information science, vol 70 n° 4 (Winter 2010)PermalinkMulti close-range image matching based on a self-adaptive triangle constraint / Q. Zhu in Photogrammetric record, vol 25 n° 132 (December 2010 - February 2011)PermalinkSphere-to-Sphere projections : proportional enlargement on a spherical surface / B. Kronenfeld in Cartographica, vol 45 n° 2 (June 2010)PermalinkPermalinkPermalinkModelling the erectheion: extracting information from very large datasets / J. Beraldin in GIM international, vol 23 n° 11 (November 2009)PermalinkSIG et cartographie pour MacIntosh / Anonyme in Géomatique expert, n° 71 (octobre - novembre 2009)PermalinkLes réseaux de polygones de Thiessen : application à la géolocalisation robuste de caravanserails décrits dans les récits anciens de voyageurs / André Del in Géomatique expert, n° 70 (01/09/2009)PermalinkAssessment of sliver polygons in geographical vector data / M. Delafontaine in International journal of geographical information science IJGIS, vol 23 n° 6 (june 2009)PermalinkA geodesic map projection for quadrilaterals / J. Crider in Cartography and Geographic Information Science, vol 36 n° 2 (April 2009)PermalinkDynamic hybrid terrain representation based on convexity limits identification / M. Bóo in International journal of geographical information science IJGIS, vol 23 n°3-4 (march - april 2009)PermalinkA Polygonal approach for automation in extraction of serial modular roofs / Y. Avrahami in Photogrammetric Engineering & Remote Sensing, PERS, vol 74 n° 11 (November 2008)PermalinkGeneralized network Voronoi diagrams: concepts, computational methods, and applications / Atsuyuki Okabe in International journal of geographical information science IJGIS, vol 22 n° 8-9 (august 2008)PermalinkReducing edge effects in the classification of high resolution imagery / Guiyun Zhou in Photogrammetric Engineering & Remote Sensing, PERS, vol 74 n° 4 (April 2008)PermalinkSensitivity analysis of spatially aggregated responses: a gradient-based method / F. Pantus in International journal of geographical information science IJGIS, vol 22 n° 4-5 (april 2008)PermalinkPolygon-based texture mapping for cyber city 3D building models / F. Tsai in International journal of geographical information science IJGIS, vol 21 n° 9-10 (october 2007)PermalinkCaractérisation fractale du relief du Lodévois après extraction de tendances topographiques générales / Pascal Martin in Revue internationale de géomatique, vol 17 n° 3-4 (septembre 2007 – février 2008)PermalinkData fusion of high-resolution satellite imagery and Lidar data for automatic building extraction / Gunho Sohn in ISPRS Journal of photogrammetry and remote sensing, vol 62 n° 1 (May 2007)PermalinkEvaluating the uncertainty caused by Post Office Box addresses in environmental health studies: A restricted Monte Carlo approach / X. Shi in International journal of geographical information science IJGIS, vol 21 n° 3-4 (march - april 2007)PermalinkComparative tempo-spatial pattern analysis: CTSPA / Y. Xie in International journal of geographical information science IJGIS, vol 21 n° 1-2 (january 2007)PermalinkMathématiques pour la modélisation géométrique, la représentation 3D et la synthèse d'images / L. Garnier (2007)PermalinkFast cluster polygonization and its applications in data-rich environments / I. Lee in Geoinformatica, vol 10 n° 4 (December 2006)PermalinkPermalinkDiffusion et tatouage des données géographiques / Jean Béguec (2006)PermalinkLa sectorisation tâte du SIG / Françoise de Blomac in SIG la lettre, n° 73 (janvier 2006)PermalinkStratified sampling of satellite images with a systematic grid of points / F.J. Gallego in ISPRS Journal of photogrammetry and remote sensing, vol 59 n° 6 (November 2005)PermalinkLeast squares 3D surface and curve matching / Armin W. Gruen in ISPRS Journal of photogrammetry and remote sensing, vol 59 n° 3 (May 2005)PermalinkMathématiques tout-en-un PC PSI / Claude Deschamps (2005)PermalinkA vector-GIS extension for generalization of binary polygon patterns / H. Millward in Cartographica, vol 39 n° 4 (December 2004)PermalinkGeometric variability of raster cell class assignment / A.M. Shortridge in International journal of geographical information science IJGIS, vol 18 n° 6 (october 2004)PermalinkModelling error propagation in vector-based overlay analysis / Wei Shi in ISPRS Journal of photogrammetry and remote sensing, vol 59 n° 1-2 (August 2004 - April 2005)PermalinkPredicting forest age classes from high spatial resolution remotely sensed imagery using Voronoi polygon aggregation / T. Nelson in Geoinformatica, vol 8 n° 2 (June - August 2004)PermalinkA probability-based uncertainty model for point-in-polygon analysis in GIS / C.K. Cheung in Geoinformatica, vol 8 n° 1 (March - May 2004)PermalinkApplication of wavelet transform for extracting edges of paddy fields from remotely sensed images / T. Ishida in International Journal of Remote Sensing IJRS, vol 25 n° 2 (January 2004)PermalinkRecalage vectoriel 3D de contours de bâtiments à partir d'un couple d'images aériennes stéréoscopiques / D. Rambourg (2004)PermalinkAutonomous space resection using point- and line-based representation of free-form control linear features / A. Habib in Photogrammetric record, vol 18 n° 103 (September - November 2003)PermalinkComparing two sets of polygons / M. Gombosi in International journal of geographical information science IJGIS, vol 17 n° 5 (july - August 2003)PermalinkA GIS-based spatial pattern analysis model for eco-region mapping and characterization / Y. Zhou in International journal of geographical information science IJGIS, vol 17 n° 5 (july - August 2003)Permalink