{"id":4500,"date":"2024-02-06T15:45:18","date_gmt":"2024-02-06T15:45:18","guid":{"rendered":"https:\/\/gmbfconsulting.com\/?page_id=4500"},"modified":"2024-04-10T15:15:08","modified_gmt":"2024-04-10T14:15:08","slug":"photogrammetry","status":"publish","type":"page","link":"https:\/\/www.gecovisual.com\/index.php\/photogrammetry\/","title":{"rendered":"Photogramm\u00e9trie"},"content":{"rendered":"<p><section data-bb-version=\"4.8.0\" id=\"bt_bb_section69ee0c496459f\" class=\"bt_bb_section bt_bb_color_scheme_1 bt_bb_layout_boxed_1200 bt_bb_vertical_align_top bt_bb_background_overlay_dark_solid bt_bb_top_spacing_extra_large bt_bb_bottom_spacing_large\" style=\"; --section-primary-color:#ffffff; --section-secondary-color:#262626;\" data-bt-override-class=\"{&quot;bt_bb_top_spacing_&quot;:{&quot;current_class&quot;:&quot;bt_bb_top_spacing_extra_large&quot;,&quot;def&quot;:&quot;extra_large&quot;},&quot;bt_bb_bottom_spacing_&quot;:{&quot;current_class&quot;:&quot;bt_bb_bottom_spacing_large&quot;,&quot;def&quot;:&quot;large&quot;}}\"><div class=\"bt_bb_background_image_holder_wrapper\"><div class=\"bt_bb_background_image_holder btLazyLoadBackground bt_bb_parallax\"  data-background_image_src=\"https:\/\/www.gecovisual.com\/wp-content\/uploads\/2024\/02\/3D-modelling-e1708435961379.png\" data-parallax=\"0.6\" data-parallax-offset=\"0\" data-parallax-zoom-start=\"1\" data-parallax-zoom-end=\"1\" data-parallax-blur-start=\"0\" data-parallax-blur-end=\"0\" data-parallax-opacity-start=\"1\" data-parallax-opacity-end=\"1\" style=\" background-image: url(&#039;https:\/\/www.gecovisual.com\/wp-content\/plugins\/bold-page-builder\/img\/blank.gif&#039;);\"><\/div><\/div><div class=\"bt_bb_port\"><div class=\"bt_bb_cell\"><div class=\"bt_bb_cell_inner\"><div class=\"bt_bb_row \"  data-bt-override-class=\"{}\"><div class=\"bt_bb_row_holder\" ><div  class=\"bt_bb_column col-xl-12 col-xs-12 col-sm-12 col-md-12 col-lg-12 bt_bb_align_left bt_bb_vertical_align_bottom bt_bb_padding_normal\"  data-width=\"12\" data-bt-override-class=\"{}\"><div class=\"bt_bb_column_content\"><div data-bb-version=\"4.8.0\" class=\"bt_bb_separator bt_bb_border_style_none bt_bb_top_spacing_small bt_bb_bottom_spacing_small\" data-bt-override-class=\"{&quot;bt_bb_top_spacing_&quot;:{&quot;current_class&quot;:&quot;bt_bb_top_spacing_small&quot;,&quot;def&quot;:&quot;small&quot;},&quot;bt_bb_bottom_spacing_&quot;:{&quot;current_class&quot;:&quot;bt_bb_bottom_spacing_small&quot;,&quot;def&quot;:&quot;small&quot;}}\"><\/div><header data-bb-version=\"4.8.0\" class=\"bt_bb_headline bt_bb_subheadline_text_transform_default bt_bb_dash_none bt_bb_size_extralarge bt_bb_align_inherit\" data-bt-override-class=\"{&quot;bt_bb_size_&quot;:{&quot;current_class&quot;:&quot;bt_bb_size_extralarge&quot;,&quot;def&quot;:&quot;extralarge&quot;},&quot;bt_bb_align_&quot;:{&quot;current_class&quot;:&quot;bt_bb_align_inherit&quot;,&quot;def&quot;:&quot;inherit&quot;}}\"><h1 class=\"bt_bb_headline_tag\"><span class=\"bt_bb_headline_content\"><span>Photogramm\u00e9trie par drone<\/span><\/span><\/h1><\/header><div data-bb-version=\"4.8.0\" class=\"bt_bb_separator bt_bb_border_style_none bt_bb_top_spacing_small bt_bb_bottom_spacing_small\" data-bt-override-class=\"{&quot;bt_bb_top_spacing_&quot;:{&quot;current_class&quot;:&quot;bt_bb_top_spacing_small&quot;,&quot;def&quot;:&quot;small&quot;},&quot;bt_bb_bottom_spacing_&quot;:{&quot;current_class&quot;:&quot;bt_bb_bottom_spacing_small&quot;,&quot;def&quot;:&quot;small&quot;}}\"><\/div><div data-bb-version=\"4.8.8\" class=\"bt_bb_button bt_bb_color_scheme_14 bt_bb_icon_position_left bt_bb_style_outline bt_bb_size_large bt_bb_width_inline bt_bb_shape_square bt_bb_target_blank bt_bb_text_transform_inherit bt_bb_align_center bt_bb_animation_zoom_in animate\" style=\"; --primary-color:#fff; --secondary-color:#000;\" data-bt-override-class=\"{&quot;bt_bb_size_&quot;:{&quot;current_class&quot;:&quot;bt_bb_size_large&quot;,&quot;def&quot;:&quot;large&quot;},&quot;bt_bb_align_&quot;:{&quot;current_class&quot;:&quot;bt_bb_align_center&quot;,&quot;def&quot;:&quot;center&quot;}}\"><a href=\"https:\/\/www.gecovisual.com\/index.php\/contact\/\" target=\"_blank\" class=\"bt_bb_link\" title=\"Demandez votre devis gratuit\"><span class=\"bt_bb_button_text\" >Demandez votre devis gratuit<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><!-- cell_inner --><\/div><!-- cell --><\/div><!-- port --><\/section><section data-bb-version=\"4.8.0\" id=\"bt_bb_section69ee0c4964830\" class=\"bt_bb_section bt_bb_layout_boxed_1200\"  data-bt-override-class=\"null\"><div class=\"bt_bb_port\"><div class=\"bt_bb_cell\"><div class=\"bt_bb_cell_inner\"><div class=\"bt_bb_row  bt_bb_column_gap_0\" style=\"; --column-gap:0px;\" data-bt-override-class=\"{}\"><div class=\"bt_bb_row_holder\" ><div  class=\"bt_bb_column col-xl-12 col-xs-12 col-sm-12 col-md-12 col-lg-12 bt_bb_align_left bt_bb_vertical_align_top bt_bb_padding_normal\"  data-width=\"12\" data-bt-override-class=\"{}\"><div class=\"bt_bb_column_content\"><div class=\"bt_bb_separator bt_bb_border_style_none bt_bb_bottom_spacing_normal\" data-bt-override-class=\"null\"><\/div><div data-bb-version=\"4.8.0\"  class=\"bt_bb_text\" ><\/p>\n<p>La photogramm\u00e9trie par drone est une technique de collecte de donn\u00e9es g\u00e9ospatiales qui utilise des images a\u00e9riennes captur\u00e9es par des drones pour cr\u00e9er des mod\u00e8les 3D ou des cartes g\u00e9or\u00e9f\u00e9renc\u00e9es. Cette m\u00e9thode combine la photographie a\u00e9rienne avec des algorithmes de traitement d&#8217;image et de calcul pour g\u00e9n\u00e9rer des informations g\u00e9ographiques pr\u00e9cises.<\/p>\n<p>Voici comment fonctionne g\u00e9n\u00e9ralement la photogramm\u00e9trie par drone :<\/p>\n<ol>\n<li><strong>Acquisition des images :<\/strong> Un drone \u00e9quip\u00e9 d&#8217;une cam\u00e9ra capture des images a\u00e9riennes de la zone d&#8217;int\u00e9r\u00eat. Ces images peuvent \u00eatre prises \u00e0 partir de diff\u00e9rents angles pour obtenir une couverture compl\u00e8te de la zone.<\/li>\n<li><strong>Points de contr\u00f4le :<\/strong> Des points de contr\u00f4le g\u00e9or\u00e9f\u00e9renc\u00e9s sont utilis\u00e9s pour corriger les d\u00e9formations et assurer la pr\u00e9cision des donn\u00e9es. Ces points peuvent \u00eatre des cibles au sol avec des coordonn\u00e9es connues, souvent mesur\u00e9es avec des \u00e9quipements GPS de haute pr\u00e9cision.<\/li>\n<li><strong>Traitement d&#8217;image :<\/strong> Les images captur\u00e9es sont trait\u00e9es \u00e0 l&#8217;aide de logiciels de photogramm\u00e9trie. Les points cl\u00e9s dans les images sont identifi\u00e9s, et des algorithmes calculent les coordonn\u00e9es tridimensionnelles des points \u00e0 partir de la triangulation.<\/li>\n<li><strong>Mod\u00e9lisation 3D ou cartographie :<\/strong> Une fois les coordonn\u00e9es 3D calcul\u00e9es, elles sont utilis\u00e9es pour cr\u00e9er un mod\u00e8le 3D de la zone ou pour g\u00e9n\u00e9rer des cartes topographiques, des orthophotographies, ou d&#8217;autres produits g\u00e9ospatiaux.<\/li>\n<\/ol>\n<p>La photogramm\u00e9trie par drone est utilis\u00e9e dans divers domaines tels que la cartographie, la surveillance environnementale, la gestion des ressources naturelles, l&#8217;urbanisme, l&#8217;arch\u00e9ologie, la gestion de l&#8217;agriculture, et bien d&#8217;autres. Elle offre des avantages tels que la rapidit\u00e9 d&#8217;acquisition des donn\u00e9es, la flexibilit\u00e9 d&#8217;acc\u00e8s \u00e0 des zones difficiles d&#8217;acc\u00e8s, et des co\u00fbts relativement plus bas par rapport \u00e0 d&#8217;autres m\u00e9thodes de collecte de donn\u00e9es g\u00e9ospatiales.<\/p>\n<p>\n<\/div><div class=\"bt_bb_separator bt_bb_border_style_none bt_bb_bottom_spacing_normal\" data-bt-override-class=\"null\"><\/div><div class=\"bt_bb_separator bt_bb_border_style_none bt_bb_bottom_spacing_normal\" data-bt-override-class=\"null\"><\/div><\/div><\/div><\/div><\/div><\/div><!-- cell_inner --><\/div><!-- cell --><\/div><!-- port --><\/section><section data-bb-version=\"4.8.8\" id=\"bt_bb_section69ee0c4964aa0\" class=\"bt_bb_section bt_bb_layout_boxed_1200 bt_bb_vertical_align_top bt_bb_top_spacing_none bt_bb_bottom_spacing_none\" style=\";background-color:rgb(239,239,239);\" 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