{"id":9858,"date":"2022-12-02T10:54:41","date_gmt":"2022-12-02T09:54:41","guid":{"rendered":"https:\/\/www.yellowscan.com\/knowledge\/comment-les-leves-lidar-par-drone-se-comparent-ils-aux-methodes-traditionnelles-dans-les-projets-de-cartographie-des-corridors-ferroviaires\/"},"modified":"2025-05-06T09:48:28","modified_gmt":"2025-05-06T07:48:28","slug":"how-do-drone-lidar-surveys-compare-to-traditional-methods-in-railway-corridor-mapping-projects","status":"publish","type":"ys_knowledge","link":"https:\/\/www.yellowscan.com\/fr\/knowledge\/how-do-drone-lidar-surveys-compare-to-traditional-methods-in-railway-corridor-mapping-projects\/","title":{"rendered":"Comparaison des relev\u00e9s LiDAR par drone et traditionnels"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"9858\" class=\"elementor elementor-9858 elementor-5182\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4edabed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4edabed\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8043434\" data-id=\"8043434\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0d539fa elementor-widget elementor-widget-text-editor\" data-id=\"0d539fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"et_pb_module et_pb_text et_pb_text_0 et_pb_text_align_justified et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<h3>Quel \u00e9tait le d\u00e9fi \u00e0 relever ?<\/h3>\n<p><em>Le premier projet sur lequel CDGI a travaill\u00e9, et pour lequel il s&rsquo;est \u00e9quip\u00e9 d&rsquo;un LiDAR YellowScan, est le Charles de Gaulle Express. La SNCF, ainsi que les entreprises charg\u00e9es des travaux, souhaitaient comparer les relev\u00e9s LiDAR avec ceux r\u00e9alis\u00e9s avec des m\u00e9thodes traditionnelles, en situation r\u00e9elle de travail.<\/em><\/p>\n<p>Le probl\u00e8me que le CDGI devait r\u00e9soudre \u00e9tait de savoir comment arpenter les terres entourant les voies ferr\u00e9es et les remblais sur le c\u00f4t\u00e9 des voies sans interrompre les lignes de chemin de fer et le trafic.<\/p>\n<p>Leur objectif \u00e9tait de prouver qu&rsquo;il \u00e9tait possible, en termes de s\u00e9curit\u00e9, d&rsquo;effectuer ces relev\u00e9s par drone \u00e0 proximit\u00e9 des voies utilis\u00e9es.<\/p>\n<p>Au d\u00e9but du projet, il n&rsquo;existait pas en France de proc\u00e9dure ou de doctrine claire sur les enqu\u00eates r\u00e9alis\u00e9es par des drones. Il est en effet interdit de faire voler des drones au-dessus des trains, mais CDGI a r\u00e9ussi \u00e0 obtenir l&rsquo;autorisation de faire voler son \u00e9quipement au-dessus des trains.<\/p>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-463fbbe2 el-section-img-x1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"463fbbe2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5088dcf2\" data-id=\"5088dcf2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-276d8f98 elementor-widget elementor-widget-image\" data-id=\"276d8f98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"779\" height=\"522\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/4.jpg\" class=\"attachment-large size-large wp-image-5190\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/4.jpg 779w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/4-300x201.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/4-768x515.jpg 768w\" sizes=\"(max-width: 779px) 100vw, 779px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b2c94d2 el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"6b2c94d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>YellowScan s\u00e9rie Vx20 avec module de cam\u00e9ra unique mont\u00e9 sur DJI M600<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ccb1c59 elm-testimonial elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ccb1c59\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1bed91a3\" data-id=\"1bed91a3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2235f0d4 elm-testimonial__text elementor-widget elementor-widget-text-editor\" data-id=\"2235f0d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>L&rsquo;achat du Vx20 de YellowScan nous a permis d&rsquo;\u00e9tendre nos outils 3D. Nous utilisons d\u00e9sormais le LiDAR pour des lev\u00e9s topographiques que nous n&rsquo;offrions pas auparavant, ce qui nous a permis d&rsquo;\u00e9tendre nos services. Je savais que j&rsquo;obtiendrais un syst\u00e8me robuste et de haute qualit\u00e9 avec YellowScan, et en plus, c&rsquo;est une soci\u00e9t\u00e9 fran\u00e7aise ! Le Vx20-200 n&rsquo;est jamais tomb\u00e9 en panne au cours des trois ann\u00e9es, les piles durent longtemps et les r\u00e9glages sont faciles \u00e0 effectuer. Nous avons choisi le Vx20 parce que nous voulions le LiDAR le plus pr\u00e9cis possible et c&rsquo;est le syst\u00e8me qui nous donne la meilleure pr\u00e9cision. Nous ne voulions pas d&rsquo;un LiDAR plus petit ou moins pr\u00e9cis.<\/em><\/p>\n<p><em>Nous utilisons notre YellowScan Vx20 pour effectuer des lev\u00e9s afin de concurrencer les lev\u00e9s traditionnels, que ce soit pour l&rsquo;installation de structures ou pour des projets de carri\u00e8res. Nous l&rsquo;utilisons \u00e9galement pour cr\u00e9er des sc\u00e8nes 3D existantes afin de produire des mod\u00e8les 3D plus rapidement. Les scans LiDAR nous permettent d&rsquo;avoir les positions de tous les \u00e9l\u00e9ments d&rsquo;un environnement afin de les mod\u00e9liser, ce qui nous fait gagner du temps sur la mod\u00e9lisation 3D. Nous sommes \u00e9galement en mesure de gagner du temps sur les flux de travail qui \u00e9taient d\u00e9j\u00e0 en place avant l&rsquo;achat de cet outil.<\/em><\/p>\n<p><em>J&rsquo;\u00e9tais heureux d&rsquo;appeler l&rsquo;\u00e9quipe d&rsquo;assistance chaque fois que j&rsquo;avais besoin d&rsquo;aide, car je savais que les probl\u00e8mes que je rencontrais seraient r\u00e9solus rapidement. Lorsque nous avons \u00e9t\u00e9 form\u00e9s par YellowScan \u00e0 l&rsquo;utilisation de notre syst\u00e8me LiDAR Vx20, nous partions de z\u00e9ro, et nous avons donc eu besoin de beaucoup de soutien. Ils \u00e9taient facilement joignables et patients, m\u00eame lorsqu&rsquo;ils devaient expliquer les choses les plus simples\u00a0\u00bb.<\/em><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7f00b9b6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f00b9b6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-226a2b58\" data-id=\"226a2b58\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4cfae51d elm-testimonial__img elementor-widget elementor-widget-image\" data-id=\"4cfae51d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"672\" height=\"606\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/Pierre-Augustin-Director-CDGI.jpg\" class=\"attachment-large size-large wp-image-5192\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/Pierre-Augustin-Director-CDGI.jpg 672w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/Pierre-Augustin-Director-CDGI-300x271.jpg 300w\" sizes=\"(max-width: 672px) 100vw, 672px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1c554ead\" data-id=\"1c554ead\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-134e9486 elementor-widget elementor-widget-text-editor\" data-id=\"134e9486\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong><span class=\"elm-testimonials__name\">Pierre Augustin<\/span><\/strong>\n\n<span class=\"elm-testimonials__role\"><em><strong>Directeur<\/strong> &#8211; CDGI<\/em>\n<\/span>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-46549bf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"46549bf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9cc4ff7\" data-id=\"9cc4ff7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-03c9cef elementor-widget elementor-widget-text-editor\" data-id=\"03c9cef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"et_pb_module et_pb_text et_pb_text_3 et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<h3>R\u00e9sultats<\/h3>\n<p>Les conclusions observ\u00e9es sont qu&rsquo;ils ont obtenu la m\u00eame pr\u00e9cision avec l&rsquo;enqu\u00eate r\u00e9alis\u00e9e avec le YellowScan Vx20 qu&rsquo;avec les m\u00e9thodes d&rsquo;enqu\u00eate traditionnelles.<\/p>\n<p>Cependant, une diff\u00e9rence majeure est que les lev\u00e9s effectu\u00e9s avec le Vx20 sont beaucoup plus rapides que les lev\u00e9s terrestres traditionnels. Par exemple, avec un LiDAR mont\u00e9 sur un drone, 150 hectares peuvent \u00eatre scann\u00e9s en une journ\u00e9e, alors qu&rsquo;avec un arpentage traditionnel, plusieurs jours, voire plusieurs semaines, sont n\u00e9cessaires pour mener \u00e0 bien le projet.<\/p>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-15ad374e el-section-full el-section-img-x2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"15ad374e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-39493770\" data-id=\"39493770\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71ca6462 elementor-widget elementor-widget-image\" data-id=\"71ca6462\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"581\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/1-1024x581.jpg\" class=\"attachment-large size-large wp-image-5194\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/1-1024x581.jpg 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/1-300x170.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/1-768x435.jpg 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/1-1536x871.jpg 1536w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/1.jpg 1912w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cf4d58 el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"8cf4d58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Nuage de points LiDAR du YellowScan Vx20<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4d795693\" data-id=\"4d795693\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e24c7b4 elementor-widget elementor-widget-image\" data-id=\"3e24c7b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/2-1024x578.jpg\" class=\"attachment-large size-large wp-image-5196\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/2-1024x578.jpg 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/2-300x169.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/2-768x434.jpg 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/2-1536x867.jpg 1536w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/01\/2.jpg 1916w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-354cc000 el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"354cc000\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Nuage de points LiDAR coloris\u00e9 RVB<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-883073b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"883073b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-086605d\" data-id=\"086605d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-255fe49 elementor-widget elementor-widget-text-editor\" data-id=\"255fe49\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"et_pb_row et_pb_row_7\">\n<div class=\"et_pb_column et_pb_column_4_4 et_pb_column_14 et_pb_css_mix_blend_mode_passthrough et-last-child\">\n<div class=\"et_pb_module et_pb_text et_pb_text_7 et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<p><em>2022 \u00a9 Photos et nuages de points : <span class=\"TextRun SCXW107842741 BCX9\" lang=\"EN-US\" data-contrast=\"auto\"><br \/>\n  <span class=\"NormalTextRun SCXW107842741 BCX9\">CDGI.<\/span><br \/>\n<\/span><\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":5187,"menu_order":207,"template":"","meta":{"_acf_changed":false,"content-type":""},"categories":[88],"class_list":["post-9858","ys_knowledge","type-ys_knowledge","status-publish","has-post-thumbnail","hentry","category-success-story"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jumeau num\u00e9rique du pont des cha\u00eenes \u00e0 Budapest - YellowScanComparaison des relev\u00e9s LiDAR par drone et traditionnels<\/title>\n<meta name=\"description\" content=\"La SNCF souhaitait comparer les relev\u00e9s LiDAR par drone avec ceux r\u00e9alis\u00e9s par des m\u00e9thodes traditionnelles, en situation r\u00e9elle de travail. 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