2010
DOI: 10.4000/insitu.6814
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De la manipulation des images 3D

Abstract: Si les technologies 3D livrent un enregistrement précis et pertinent des graphismes pariétaux, elles offrent également des applications particulièrement intéressantes pour leur analyse. À travers des traitements sur nuage de points et des simulations, elles autorisent un large éventail de manipulations touchant autant à l’observation qu’à l’étude des œuvres pariétales. Elles permettent notamment une perception affinée de leur volumétrie, et deviennent des outils de comparaison de formes très utiles dans la rec… Show more

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Cited by 7 publications
(5 citation statements)
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“…The second step was the collation of all the available data, on the specific forms of figures, on the graphic unit (GU), the rock and the site, adopting a multi-scale approach towards rock art research (Chippindale 2004) at the Romito site. The rock art was then documented using digital photography, for both two dimensional recording of specific data and for 3D photogrammetry (Pinçon et al 2010). A fourth step was digital tracing, creating a multi-layered image with image-editing software and finally, as a fifth step, a tracing check was undertaken on site.…”
Section: Methodology For Reviewing the Rock Artmentioning
confidence: 99%
See 1 more Smart Citation
“…The second step was the collation of all the available data, on the specific forms of figures, on the graphic unit (GU), the rock and the site, adopting a multi-scale approach towards rock art research (Chippindale 2004) at the Romito site. The rock art was then documented using digital photography, for both two dimensional recording of specific data and for 3D photogrammetry (Pinçon et al 2010). A fourth step was digital tracing, creating a multi-layered image with image-editing software and finally, as a fifth step, a tracing check was undertaken on site.…”
Section: Methodology For Reviewing the Rock Artmentioning
confidence: 99%
“…The rock art was then documented using digital photography, for both two dimensional recording of specific data and for 3D photogrammetry (Pinçon et al . 2010). A fourth step was digital tracing, creating a multi‐layered image with image‐editing software and finally, as a fifth step, a tracing check was undertaken on site.…”
Section: Methodology For Reviewing the Rock Artmentioning
confidence: 99%
“…As a result, more time and effort are spent in looking at the digital models of objects than at the real objects themselves. It is also possible to obtain datasets on several scales and at several resolutions and to consolidate these within the same system of spatial coordinates (Pinçon et al 2010). Concretely, 3D representation allows for both the establishment of a digital repository fueled by direct field observation and the development of several approaches to the same object -using "as recorded," "as built," and "reconstruction" models (Fuchs 2007).…”
Section: Documentation Using 3d Modelsmentioning
confidence: 99%
“…Outre leur capacité à faciliter les opérations de mesure, elles offrent des possibilités extrêmement intéressantes concernant l'analyse morphologique et volumétrique des parois : manipulation libre des éléments par déplacements et rotations virtuels, opérations de comparaison géométrique d'éléments en vue de l'identification de modèles théoriques 5 , extraction de coupes et profils en vue d'une analyse technique 6 ... L'usage de modèles numériques tridimensionnels autorise et facilite des opérations de manipulations qui ne sont pas toujours envisageables dans la réalité. Ainsi, la numérisation du Roc-aux-Sorciers (Angles-sur-l'Anglin, Vienne) a permis d'effectuer une simulation virtuelle des raccords entre différents blocs 7 .…”
Section: Harmonisation Et Diffusion Des Ressources Numériques 3d Des unclassified