{"id":13441,"date":"2023-09-22T15:52:19","date_gmt":"2023-09-22T13:52:19","guid":{"rendered":"https:\/\/www.yellowscan.com\/knowledge\/surveillance-et-analyse-de-lenvironnement-a-laide-de-la-technologie-lidar\/"},"modified":"2025-05-07T11:48:43","modified_gmt":"2025-05-07T09:48:43","slug":"environmental-monitoring-and-analysis-using-lidar-technology","status":"publish","type":"ys_knowledge","link":"https:\/\/www.yellowscan.com\/fr\/knowledge\/environmental-monitoring-and-analysis-using-lidar-technology\/","title":{"rendered":"Surveillance de l’environnement avec LiDAR par Yellowscan"},"content":{"rendered":"\t\t
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Dans le domaine de la surveillance et de l’analyse de l’environnement, l’\u00e9valuation pr\u00e9cise de la v\u00e9g\u00e9tation joue un r\u00f4le crucial dans la compr\u00e9hension des \u00e9cosyst\u00e8mes. Les drones \u00e9quip\u00e9s de technologies d’imagerie avanc\u00e9es ont r\u00e9volutionn\u00e9 ce processus en fournissant des m\u00e9thodes de collecte de donn\u00e9es efficaces et pr\u00e9cises. Cette \u00e9tude de cas met en \u00e9vidence l’utilisation des syst\u00e8mes LiDAR Mapper et Mapper+, ainsi que leurs configurations de vol sp\u00e9cifiques, pour d\u00e9terminer le nombre d’arbustes pr\u00e9sents sur un site d\u00e9sign\u00e9.<\/p>\n

D\u00e9fi de la mission<\/h3>\n

Des donn\u00e9es pr\u00e9cises sur la topographie du sol sont essentielles pour comprendre les variations du terrain, les sch\u00e9mas d’\u00e9coulement des eaux et les caract\u00e9ristiques du paysage. Les m\u00e9thodes traditionnelles d’\u00e9tude du sol peuvent prendre beaucoup de temps et ne pas couvrir efficacement des zones \u00e9tendues ou inaccessibles. Le d\u00e9fi consistait \u00e0 acqu\u00e9rir rapidement et avec pr\u00e9cision des donn\u00e9es de topographie du sol \u00e0 haute r\u00e9solution, afin de permettre une prise de d\u00e9cision efficace pour diverses applications.<\/p>\n

Objectifs<\/h3>\n

Les objectifs principaux de cette \u00e9tude \u00e9taient les suivants :<\/p>\n

    \n
  • Utilisez les solutions Mapper et Mapper+ pour la collecte de donn\u00e9es a\u00e9riennes afin de d\u00e9terminer le nombre d’arbustes dans un site d\u00e9sign\u00e9.<\/li>\n
  • \u00c9valuer l’efficacit\u00e9 du Mapper et du Mapper+ en termes de temps de vol, de qualit\u00e9 d’image et de pr\u00e9cision des donn\u00e9es.<\/li>\n
  • Comparez les r\u00e9sultats obtenus avec les deux mod\u00e8les de drone et leurs configurations de vol respectives.<\/li>\n<\/ul>\n

    Acquisition<\/h3>\n

    Dans cette \u00e9tude, deux syst\u00e8mes LiDAR ont \u00e9t\u00e9 utilis\u00e9s, le Mapper et le Mapper+, tous deux \u00e9quip\u00e9s de leurs modules de cam\u00e9ra. Ces solutions ont \u00e9t\u00e9 int\u00e9gr\u00e9es au drone IF12000A \u00e0 l’aide du clip de fixation rapide Gremsy. Le Mapper+ a \u00e9t\u00e9 pilot\u00e9 \u00e0 une vitesse de 5 m\/s et \u00e0 une hauteur de vol comprise entre 60 et 70 m\u00e8tres. De m\u00eame, le Mapper a \u00e9t\u00e9 pilot\u00e9 dans les m\u00eames conditions. La mission consistait \u00e0 couvrir une surface de 80 000 m\u00e8tres carr\u00e9s.<\/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

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    Le Mapper mont\u00e9 avec l’IF1200A<\/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

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    Il suffit d’appuyer sur le bouton jaune<\/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

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    Param\u00e8tres de la mission<\/h3>\n
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    • Vitesse :<\/strong> 5 m\/s<\/li>\n
    • Hauteur de vol :<\/strong> 60-70 m\u00e8tres<\/li>\n
    • Surface couverte :<\/strong> 80 000 m\u00b2<\/li>\n
    • Dur\u00e9e du vol :<\/strong> Environ 16 minutes avec le Mapper+ et 19 minutes avec le Mapper.<\/li>\n<\/ul>\n

      R\u00e9sultats<\/h3>\n

      L’\u00e9tude a\u00e9rienne r\u00e9alis\u00e9e \u00e0 l’aide du Mapper+ a permis d’obtenir des informations pr\u00e9cieuses. Les donn\u00e9es recueillies au cours des 16 minutes de vol ont permis de comprendre la distribution des arbustes dans la zone \u00e9tudi\u00e9e. De m\u00eame, le vol de 19 minutes avec le Mapper of a permis de recueillir des informations d\u00e9taill\u00e9es sur la population d’arbustes dans la m\u00eame r\u00e9gion.<\/p>\n

      Apr\u00e8s analyse, le Mapper+ a d\u00e9montr\u00e9 son efficacit\u00e9 en couvrant la zone d\u00e9sign\u00e9e en un temps plus court, gr\u00e2ce \u00e0 sa vitesse de vol plus rapide. L’imagerie de haute qualit\u00e9 acquise par les deux solutions LiDAR a permis un comptage pr\u00e9cis des arbustes. En outre, les donn\u00e9es recueillies peuvent \u00eatre utilis\u00e9es pour une classification plus d\u00e9taill\u00e9e \u00e0 l’aide d’un logiciel sp\u00e9cialis\u00e9 tel que YellowScan CloudStation.<\/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

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      \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"LiDAR\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
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      Nuage de points LiDAR des arbustes sur le site<\/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

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      La mise en place de chacun de leurs produits n’a gu\u00e8re n\u00e9cessit\u00e9 plus qu’une fixation sur le v\u00e9hicule. Le VX-20, le Mapper et le Mapper+ ont tous \u00e9t\u00e9 int\u00e9gr\u00e9s de mani\u00e8re transparente \u00e0 l’aide du mat\u00e9riel de montage YellowScan ou des supports \u00e0 connexion rapide Gremsy et ont \u00e9t\u00e9 test\u00e9s sur le terrain avec d’excellents r\u00e9sultats.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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      Casey Viera<\/span><\/strong><\/p>\n

      Gestionnaire de flotte<\/strong> – Inspired Flight<\/em>
      <\/span><\/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\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":13430,"menu_order":152,"template":"","meta":{"_acf_changed":false,"content-type":""},"categories":[88],"class_list":["post-13441","ys_knowledge","type-ys_knowledge","status-publish","has-post-thumbnail","hentry","category-success-story"],"acf":[],"yoast_head":"\nSurveillance de l'environnement avec LiDAR par Yellowscan<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment le LiDAR et l'\u00e9valuation pr\u00e9cise de la v\u00e9g\u00e9tation jouent un r\u00f4le crucial dans la compr\u00e9hension des \u00e9cosyst\u00e8mes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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