{"id":371,"date":"2018-09-18T14:32:38","date_gmt":"2018-09-18T12:32:38","guid":{"rendered":"http:\/\/a.francoise.free.fr\/?page_id=371"},"modified":"2024-01-22T16:49:21","modified_gmt":"2024-01-22T15:49:21","slug":"la-numerisation-lumiere-structuree","status":"publish","type":"page","link":"https:\/\/www.aacmb.fr\/wordpress\/la-numerisation-lumiere-structuree\/","title":{"rendered":"La num\u00e9risation &#8211; lumi\u00e8re structur\u00e9e"},"content":{"rendered":"<div class=\"et_pb_text et_pb_bg_layout_light et_pb_text_align_left\"><strong>Les scanners 3D bas\u00e9s sur la technologie de lumi\u00e8re structur\u00e9e pratiquent une forme de calcul par triangulation, mais celui-ci s\u2019applique sur une grille\u00a0de lumi\u00e8re et non pas un laser.<\/strong> Un \u00e9clairage d\u2019un certain motif (grille, vagues, points r\u00e9guli\u00e8rement espac\u00e9s) connu du scanner 3D est projet\u00e9 sur la surface \u00e0 scanner.<br \/>\nLes capteurs du scanner 3D capturent alors la d\u00e9formation que la surface \u00e0 scanner fait subir \u00e0 la lumi\u00e8re. En calculant le d\u00e9placement subi par le motif, le scanner 3D est capable d\u2019en d\u00e9duire les propri\u00e9t\u00e9s de la surface.<br \/>\nLes scanners 3D utilisant\u00a0la technologie de lumi\u00e8re structur\u00e9e produisent\u00a0de la lumi\u00e8re blanche ou bleue qui peut \u00eatre produite par diff\u00e9rentes sources telles que des LED ou encore un projecteur Digital Light Processing\u00a0(DLP).<\/p>\n<div class=\"et_pb_text et_pb_bg_layout_light et_pb_text_align_left\">\n<p style=\"padding-left: 30px;\"><span id=\"result_box\" class=\"\" lang=\"fr\"><span class=\"hps\"><u>Avantages<\/u><\/span> : la<span class=\"hps\"> vitesse<\/span><span class=\"\">, la r\u00e9solution<\/span> <span class=\"hps\">et la capacit\u00e9 \u00e0<\/span> scann<span class=\"hps\">er des<\/span> <span class=\"hps\">personnes.<\/span><\/span><\/p>\n<p style=\"padding-left: 30px;\"><span id=\"result_box\" class=\"\" lang=\"fr\"><span class=\"hps\"><u>Inconv\u00e9nient<\/u> : <\/span> <span class=\"hps\">sa sensibilit\u00e9<\/span> <span class=\"hps\">aux conditions d\u2019\u00e9clairage<\/span>. Cela <span class=\"hps\">rend par exemple complexe le travail<\/span><span class=\"hps\"> en<\/span> <span class=\"hps\">ext\u00e9rieur<\/span>.<\/span><\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"border: none !important; margin: 0px !important;\" src=\"\/\/ir-fr.amazon-adsystem.com\/e\/ir?t=afrancoise-21&amp;l=ur2&amp;o=8&amp;camp=1642\" alt=\"\" width=\"1\" height=\"1\" border=\"0\" \/>Un exemple pour moins de 200 \u20ac avec le scanner \u00e0 main de XYZ Printing :<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3954 aligncenter\" src=\"https:\/\/www.aacmb.fr\/wordpress\/wp-content\/uploads\/2024\/01\/scanner_a_main-e1705938536498.png\" alt=\"\" width=\"500\" height=\"340\" srcset=\"https:\/\/www.aacmb.fr\/wordpress\/wp-content\/uploads\/2024\/01\/scanner_a_main-e1705938536498.png 500w, https:\/\/www.aacmb.fr\/wordpress\/wp-content\/uploads\/2024\/01\/scanner_a_main-e1705938536498-350x238.png 350w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" style=\"border: none !important; margin: 0px !important;\" src=\"\/\/ir-fr.amazon-adsystem.com\/e\/ir?t=afrancoise-21&amp;l=am2&amp;o=8&amp;a=B017QCRYNK\" alt=\"\" width=\"1\" height=\"1\" border=\"0\" \/>Ce scanner propose 3 modes : visage, corps entier (998 x 998 x 1998 mm max) ou objet (50 x 50 x 50 mm min).<\/p>\n<p style=\"text-align: right;\"><a class=\"maxbutton-1 maxbutton maxbutton-boutonretour\" title=\"Retour \u00e0 la page pr\u00e9c\u00e9dente\" href=\"\"><span class='mb-text'>Retour<\/span><\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les scanners 3D bas\u00e9s sur la technologie de lumi\u00e8re structur\u00e9e pratiquent une forme de calcul par triangulation, mais celui-ci s\u2019applique sur une grille\u00a0de lumi\u00e8re et non pas un laser. Un \u00e9clairage d\u2019un certain motif (grille, vagues, points r\u00e9guli\u00e8rement espac\u00e9s) connu du scanner 3D est projet\u00e9 sur la surface \u00e0 scanner. Les capteurs du scanner 3D &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.aacmb.fr\/wordpress\/la-numerisation-lumiere-structuree\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;La num\u00e9risation &#8211; lumi\u00e8re structur\u00e9e&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[64],"tags":[],"class_list":["post-371","page","type-page","status-publish","hentry","category-numerisation"],"_links":{"self":[{"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/pages\/371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/comments?post=371"}],"version-history":[{"count":0,"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/pages\/371\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/categories?post=371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aacmb.fr\/wordpress\/wp-json\/wp\/v2\/tags?post=371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}