Détail de l'auteur
Auteur Alexandre Devaux
Commentaire :
ITowns project manager in LASTIG untill December 2020
Autorités liées :
idHAL :
alexandredevaux
idRef :
autre URL :
ORCID :
Scopus :
DBLP URL :
|
Documents disponibles écrits par cet auteur (18)
Ajouter le résultat dans votre panier
Visionner les documents numériques
Affiner la recherche Interroger des sources externes
A web-based 3D mapping application using WebGL allowing interaction with images, point clouds and models / Alexandre Devaux (2012)
Titre : A web-based 3D mapping application using WebGL allowing interaction with images, point clouds and models Type de document : Article/Communication Auteurs : Alexandre Devaux , Auteur ; Mathieu Brédif , Auteur ; Nicolas Paparoditis , Auteur Editeur : New York [Etats-Unis] : Association for computing machinery ACM Année de publication : 2012 Conférence : SIGSPATIAL 2012, 20th International Conference on Advances in Geographic Information Systems 06/11/2012 09/11/2012 Redondo Beach Californie - Etats-Unis Proceedings ACM Importance : pp 586 - 588 Note générale : bibliographie Langues : Français (fre) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] données localisées 3D
[Termes IGN] image numérique
[Termes IGN] semis de points
[Termes IGN] web mapping
[Termes IGN] webGLRésumé : (auteur) Nowadays we see a lot of Rich Internet Applications (RIA), but real interactive 3D applications have just started years ago, and it is only in 2011 that a GPU library was integrated directly in the major internet browsers. This opened a new way of creating 3D applications on the web and a new public, as much more users can access them without complicated plugin installations and this is just what 3D web mapping was waiting for.
We present our street view application allowing to move through cities from a pedestrian point of view and interact with it in order to create and update precise urban maps enabling accessibility diagnostics, services and applications around mobility. We cared about precision in the data acquisition (images and laser) in order to be able to make accurate 3D measurements for professional usages. The user can show large laser clouds in his web-browser, access information on any points, draw 3D bounding boxes and export selections to databases. He can also make measurements from images, integrate collada models, display OpenData layers, etc. Finally we use projective texture mapping in real time to texture any mesh with our images.Numéro de notice : C2012-012 Affiliation des auteurs : MATIS (1993-2011) Thématique : GEOMATIQUE/IMAGERIE/INFORMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.1145/2424321.2424422 Date de publication en ligne : 06/11/2012 En ligne : https://doi.org/10.1145/2424321.2424422 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=93484
Titre : Increasing interactivity in street view web navigation systems Type de document : Article/Communication Auteurs : Alexandre Devaux , Auteur ; Nicolas Paparoditis , Auteur Editeur : New York [Etats-Unis] : Association for computing machinery ACM Année de publication : 2010 Conférence : MM 2010, 18th ACM International Conference on Multimedia 25/10/2010 29/10/2010 Florence Italie Proceedings ACM Importance : pp 903 - 906 Format : 21 x 30 cm Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] image Streetview
[Termes IGN] interactivitéRésumé : (auteur) This paper presents some interactive features we have added on our street-view web navigation application. Our system allows to navigate through a huge amount of data (panoramas and laser clouds) and also to interact with it. We will detail 4 aspects of this interactivity. First, the labelling, displaying of features directly into the images in the 3D space, useful for general public but also researchers in image processing and computer vision. Secondly we propose a crowd sourcing mode for blurring people not automatically detected. Thirdly we offer the possibility for the web user to localize and measure in 3D all objects visible in the images by plotting only in one image. Finally we developed a multimedia editor that allows public administrations (like town halls, museums, operas, theaters, etc.) to add interactive content like video or images at the exact 3D position/orientation/size they chose with an easy manipulating editor to augment with realism the static scenes with dynamic or fresher elements. Numéro de notice : C2010-038 Affiliation des auteurs : MATIS (1993-2011) Thématique : GEOMATIQUE/IMAGERIE/INFORMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.1145/1873951.1874109 Date de publication en ligne : 25/10/2010 En ligne : https://doi.org/10.1145/1873951.1874109 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=93485 Face blurring for privacy in street-level geoviewers combining face, body and skin detectors / Alexandre Devaux (20/05/2009)
contenu dans Proceedings of MVA 2009, IAPR Conference on Machine vision Applications, May 20-22, 2009, Keio University, Japan / Hideo Saito (2009)
Titre : Face blurring for privacy in street-level geoviewers combining face, body and skin detectors Type de document : Article/Communication Auteurs : Alexandre Devaux , Auteur ; F. Precioso, Auteur ; Bertrand Cannelle , Auteur ; Nicolas Paparoditis , Auteur Editeur : International Association for Pattern Recognition IAPR Année de publication : 20/05/2009 Conférence : MVA 2009, IAPR Conference on Machine Vision Applications 20/05/2009 22/05/2009 Yokohama Japon open access proceedings Importance : 4 p. Format : 21 X 30 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] détection de piéton
[Termes IGN] image panoramique
[Termes IGN] protection de la vie privéeRésumé : (Auteur) In the last two years, web-based applications using street-level images have been developing fast. In that context, privacy preservation is an unavoidable issue. We present in this paper a multi-boosting based approach to detect pedestrians in high resolution panoramics in order to blur their faces. This task is quite complex since these features vary in size, shape, color, and often are partially occluded, sometimes behind windows or inside cars, etc. Our strategy is thus based on the combination of two existing boosting algorithms detecting faces and bodies with a skin tone detection algorithm we developed. The results are quite encouraging for such an unconstrained data: 86:2% of true positives and an average of 2 false positive detections per image (2.1 MPixels). This combination solution provides much more robust results than each detection algorithm performed independently. Numéro de notice : C2009-051 Affiliation des auteurs : MATIS+Ext (1993-2011) Thématique : IMAGERIE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : sans En ligne : http://www.mva-org.jp/Proceedings/2009CD/papers/03-15.pdf Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64293