2013
DOI: 10.1007/s00138-013-0487-z
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Infrared system for 3D scanning of metallic surfaces

Abstract: International audienceMany experimental techniques and many com- mercial solutions have been proposed to realize non-contact 3D digitization of industrial objects. Unfortunately, the per- formances of active 3D scanners depend on the optical prop- erties of the surface to digitize. That is why the results obtained by active 3D triangulation on specular or transparent surfaces are not as good as those obtained on diffuse surfaces. In this paper, we present the developments we have realized to address highly ref… Show more

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Cited by 28 publications
(10 citation statements)
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References 26 publications
(30 reference statements)
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“…Using algorithms, similarity calculation defines POI coincident on different images [ 2 ]. These POI can be found by detection of transition areas, such as strong curvatures, physical limits, or differences of grey intensity (“Shape from Silhouette”) [ 15 ]. A transformation matrix is then calculated to evaluate similarity between all images such as rotation or homothety.…”
Section: Ios Technologiesmentioning
confidence: 99%
See 1 more Smart Citation
“…Using algorithms, similarity calculation defines POI coincident on different images [ 2 ]. These POI can be found by detection of transition areas, such as strong curvatures, physical limits, or differences of grey intensity (“Shape from Silhouette”) [ 15 ]. A transformation matrix is then calculated to evaluate similarity between all images such as rotation or homothety.…”
Section: Ios Technologiesmentioning
confidence: 99%
“…During intraoral scanning, a major difficulty is to control patient mobility that can lead to scanning by mistake peripheral soft tissues such as the tongue or jaws [ 12 ]. Similarly, the presence of blood, saliva, or gingival fluid can also falsify the picture acquired [ 15 ]. For example, a tight film of water can lead to an error to the order of millimeters on margin impression ( Figure 5(h) ).…”
Section: Clinical Impact Of Ios Technologiesmentioning
confidence: 99%
“…al. [32] use a Middle Wave IR (MWIR) Laser and camera to deal with specular (metallic) objects. Often, cameras or illumination sources enter the scene without being part of 3D acquisition process.…”
Section: State Of the Artmentioning
confidence: 99%
“…The fiber orientation is assessed through the "Scanning From Heating" (SFH) system initially used for threedimensional digitization of transparent and metallic object [13,14,15,16]. Recently, the system has been extended to detect sub-surface defect on metallic object as well as fiber orientation assessment in carbon composite material [17].…”
Section: Methodsmentioning
confidence: 99%