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An approach for establishing correspondence between OpenStreetMap and reference datasets for land use and land cover mapping / Qi Zhou in Transactions in GIS, Vol 23 n° 6 (November 2019)  

Public [article]  inTransactions in GIS > Vol 23 n° 6 (November 2019) . - pp 1420 - 1443 Titre : An approach for establishing correspondence between OpenStreetMap and reference datasets for land use and land cover mapping Type de document : Article/Communication Auteurs : Qi Zhou, Auteur ; Xuecan Jia, Auteur ; Hao Lin, Auteur Année de publication : 2019 Article en page(s) : pp 1420 - 1443 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes IGN] analyse des correspondances [Termes IGN] carte d'occupation du sol [Termes IGN] cartographie collaborative [Termes IGN] données localisées des bénévoles [Termes IGN] jeu de données localisées [Termes IGN] Kappa de Cohen [Termes IGN] OpenStreetMap [Termes IGN] panel de référence [Termes IGN] précision de la classification [Termes IGN] zone tampon Résumé : (auteur) OpenStreetMap (OSM) provides free source data for land use and land cover (LULC) mapping of many regions globally. Earlier work has used just manual and subjective approaches to establish correspondence between paired OSM and reference datasets, an essential step for LULC mapping. This study proposes an approach to establish correspondence via three steps: (1) convert line feature(s) into polygon feature(s); (2) merge multiple polygon feature(s) into a single layer; and (3) establish correspondence and reclassify OSM and/or reference datasets. Study areas in Sheffield, London, Rome, and Paris were used for testing, and two measures (overall accuracy, OA and kappa index) were used for evaluation. Experiments were designed to verify this approach, with each pair of OSM and reference datasets initially compared after reclassification. Correspondence from one study area was then applied to another for further validation. Results show that OA was between 70 and 90% and the kappa index varied between 0.6 and 0.8. Evaluation also indicates that the correspondence obtained from one study area is applicable to another, and we illustrate the effectiveness of this approach. Numéro de notice : A2019-568 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1111/tgis.12581 Date de publication en ligne : 03/10/2019 En ligne : https://doi.org/10.1111/tgis.12581 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=94420 [article]

A review of sampling effects and response bias in internet participatory mapping (PPGIS/PGIS/VGI) / Greg Brown in Transactions in GIS, vol 21 n° 1 (February 2017)  

Public [article]  inTransactions in GIS > vol 21 n° 1 (February 2017) . - pp 39 – 56 Titre : A review of sampling effects and response bias in internet participatory mapping (PPGIS/PGIS/VGI) Type de document : Article/Communication Auteurs : Greg Brown, Auteur Année de publication : 2017 Article en page(s) : pp 39 – 56 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes IGN] compétence [Termes IGN] données localisées des bénévoles [Termes IGN] échantillonnage [Termes IGN] erreur de rendu [Termes IGN] panel de référence [Termes IGN] planification [Termes IGN] production participative [Termes IGN] qualité des données [Termes IGN] SIG participatif [Termes IGN] utilisation du sol Résumé : (auteur) Global interest in participatory mapping described as public participation GIS (PPGIS), participatory GIS (PGIS), and volunteered geographic information (VGI) continues to grow, but systematic study of spatial data quality and sampling effects is limited. This article provides a review and meta-analysis of Internet-based PPGIS studies conducted during the period 2006–2015 (n=26) to answer the following research questions: (1) How does mapping effort, as a proxy measure for spatial data quality, differ by sampling group? (2) Does the purpose and context of PPGIS influence mapping results? (3) What is the potential for mapping bias through sampling design? (4) Given the results, what should be the focus of future PPGIS research? Mapping effort was highest in sampling groups whose livelihoods were closely related to the purpose of the study, there was greater mapping effort in household sampling groups compared to volunteer groups, and participant domicile had strong effects on mapped results through spatial discounting. The use of online Internet panels provides higher response rates but lower spatial data quality. Future research should focus on increasing sampling response rates, assessing social trade-offs using alternative spatial weighting schemes, and examining the capacity of the public to select land use alternatives as a complement to traditional expert-driven planning systems. Numéro de notice : A2017-160 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1111/tgis.12207 En ligne : http://dx.doi.org/10.1111/tgis.12207 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=84682 [article]

Geocoding and stereo display of tropical forest multisensor datasets / R. Welch in Photogrammetric Engineering & Remote Sensing, PERS, vol 56 n° 10 (october 1990)  

Public [article]  inPhotogrammetric Engineering & Remote Sensing, PERS > vol 56 n° 10 (october 1990) . - pp 1389 - 1392 Titre : Geocoding and stereo display of tropical forest multisensor datasets Type de document : Article/Communication Auteurs : R. Welch, Auteur ; T.R. Jordan, Auteur ; J.C. Luvall, Auteur Année de publication : 1990 Article en page(s) : pp 1389 - 1392 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique [Termes IGN] analyse structurale [Termes IGN] climat tropical [Termes IGN] déboisement [Termes IGN] évapotranspiration [Termes IGN] forêt tropicale [Termes IGN] géoréférencement [Termes IGN] image multicapteur [Termes IGN] image multitemporelle [Termes IGN] image SPOT [Termes IGN] image thermique [Termes IGN] modèle numérique de surface [Termes IGN] panel de référence [Termes IGN] rayonnement infrarouge thermique [Termes IGN] stéréoscopie [Termes IGN] Thematic Mapper Numéro de notice : A1990-184 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article DOI : sans En ligne : https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ve [...] Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=25599 [article]

AVHRR monitoring of US crops during the 1988 drought / W.L. Teng in Photogrammetric Engineering & Remote Sensing, PERS, vol 56 n° 8 (august 1990)  

Public [article]  inPhotogrammetric Engineering & Remote Sensing, PERS > vol 56 n° 8 (august 1990) . - pp 1143 - 1146 Titre : AVHRR monitoring of US crops during the 1988 drought Type de document : Article/Communication Auteurs : W.L. Teng, Auteur Année de publication : 1990 Article en page(s) : pp 1143 - 1146 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection [Termes IGN] Advanced Very High Resolution Radiometer [Termes IGN] céréales [Termes IGN] cultures [Termes IGN] Etats-Unis [Termes IGN] indice de végétation [Termes IGN] panel de référence [Termes IGN] sécheresse Numéro de notice : A1990-136 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans En ligne : https://www.asprs.org/wp-content/uploads/pers/1990journal/aug/1990_aug_1143-1146 [...] Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=25552 [article]

GPS location data : an aid to satellite image analyses of poorly mapped regions / D.S. Wilkie in International Journal of Remote Sensing IJRS, vol 11 n° 4 (April 1990)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 11 n° 4 (April 1990) . - pp 653 - 658 Titre : GPS location data : an aid to satellite image analyses of poorly mapped regions Type de document : Article/Communication Auteurs : D.S. Wilkie, Auteur Année de publication : 1990 Article en page(s) : pp 653 - 658 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection [Termes IGN] classification [Termes IGN] couvert végétal [Termes IGN] flore locale [Termes IGN] image Landsat-TM [Termes IGN] panel de référence [Termes IGN] pixel [Termes IGN] positionnement par GPS [Termes IGN] scène [Termes IGN] Zaïre Numéro de notice : A1990-075 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431169008955047 En ligne : https://doi.org/10.1080/01431169008955047 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=25493 [article]

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An assessment of spot XS and Landsat MSS data for digital classification of near-urban land cover / Jean-Philippe Gastellu-Etchegorry in International Journal of Remote Sensing IJRS, vol 11 n° 2 (February 1990)  

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Vegetation in deserts: a regional measure of abundance from multispectral images / M.O. Smith in Remote sensing of environment, vol 31 n° 1 (01/01/1990)  

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Selecting a spatial resolution for estimation of per-field green leaf area index / P.J. Curran in International Journal of Remote Sensing IJRS, vol 9 n° 7 (July 1988)  

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Electromagnetic scattering from a layer of finite length, randomly oriented, dielectric, circular cylinders over a rough interface with application to vegetation / M.A. Karam in International Journal of Remote Sensing IJRS, vol 9 n° 6 (June 1988)  

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Shuttle radar mapping with diverse incidence angles in the rainforest of Borneo / J.P. Ford in International Journal of Remote Sensing IJRS, vol 9 n° 5 (May 1988)  

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Using spatial autocorrelation analysis to explore the errors in maps generated from remotely sensed data / Russell G. Congalton in Photogrammetric Engineering & Remote Sensing, PERS, vol 54 n° 5 (may 1988)  

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Non-lambertian reference panel effect on spectral reflectance measurements of freshwater ice / G.A. Leshkevich in International Journal of Remote Sensing IJRS, vol 9 n° 4 (April 1988)  

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Goniometric measurements of a spray-painted barium sulfate reference panel / G.A. Leshkevich in Remote sensing of environment, vol 24 n° 2 (March 1988)  

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Calibration of Thematic Mapper thermal data for water surface / R.G. Lathrop in Remote sensing of environment, vol 22 n° 2 (01/07/1987)  

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Field calibration of reference reflectance panels / R.D. Jackson in Remote sensing of environment, vol 22 n° 1 (01/06/1987)  

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