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Home energy assessment technologies / G. Hay in GIM international, vol 24 n° 3 (March 2010)

Public [article]  inGIM international > vol 24 n° 3 (March 2010) . - pp 13 - 15 Titre : Home energy assessment technologies Type de document : Article/Communication Auteurs : G. Hay, Auteur ; B. Hemachandran, Auteur ; S. Kyle, Auteur Année de publication : 2010 Article en page(s) : pp 13 - 15 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes IGN] Berlin [Termes IGN] chaleur [Termes IGN] données lidar [Termes IGN] estimation statistique [Termes IGN] fuite thermique [Termes IGN] Google Maps [Termes IGN] thermographie [Termes IGN] toit [Termes IGN] WebSIG Résumé : (Auteur) A quater of the heat generated in our houses is lost through roofs. Replacement of the entire roof is too costly for most homeowners, who would prefer to carry out focused repair work. For this they need to know exactly where the roof is leaking. An in-situ thermal survey is expensive, and thus an unattractive option. Home Energy Assessment Technologies, HEAT, represents software, hardware, data provision and web-portal service that enables free-of charge, automatic assessment of domestic waste-heat footprints by simply clicking on their house in Google maps. The authors present the result of a pilot project. Copyright Reed Business Numéro de notice : A2010-059 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30255 [article]

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Size-Constrained Region Merging (SCRM): an automated delineation tool for assisted photointerpretation / G. Castilla in Photogrammetric Engineering & Remote Sensing, PERS, vol 74 n° 4 (April 2008)  

Public [article]  inPhotogrammetric Engineering & Remote Sensing, PERS > vol 74 n° 4 (April 2008) . - pp 409 - 419 Titre : Size-Constrained Region Merging (SCRM): an automated delineation tool for assisted photointerpretation Type de document : Article/Communication Auteurs : G. Castilla, Auteur ; G. Hay, Auteur ; J. Ruiz-Gallardo, Auteur Année de publication : 2008 Article en page(s) : pp 409 - 419 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photo-interprétation [Termes IGN] carte d'occupation du sol [Termes IGN] contrainte géométrique [Termes IGN] détection de contours [Termes IGN] fusion de données [Termes IGN] photo-identification [Termes IGN] photo-interprétation assistée par ordinateur [Termes IGN] traitement d'image Résumé : (Auteur) The manual delineation of vegetation patches or forest stands is a costly and crucial stage in any land-cover mapping project or forest inventory based upon photointerpretation. Recent computer techniques have eased the task of the interpreter; however, a good deal of craftsmanship is still required in the delineation. In an effort to contribute to the automation of this process, we introduce Size-Constrained Region Merging (SCRM), a recently implemented software tool that provides the interpreter with an initial template of the to be mapped area that may reduce the manual digitization portion of the interpretation. In essence, SCRM transforms an ortho-rectified aerial or satellite image (single or multichannel) into a polygon vector layer that resembles the work of a human interpreter, whom with no a priori knowledge of the scene, was given the task of partitioning the image into a number of homogeneous polygons all exceeding a minimum size. We provide background information on SCRM foundations and workflow, and illustrate its application on three different types of satellite images. Copyright ASPRS Numéro de notice : A2008-121 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.74.4.409 En ligne : https://doi.org/10.14358/PERS.74.4.409 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29116 [article]