{"id":33170,"date":"2025-12-18T10:42:42","date_gmt":"2025-12-18T03:42:42","guid":{"rendered":"https:\/\/vmts.ch\/prepare-site-before-3d-laser-scan\/"},"modified":"2025-12-26T12:13:51","modified_gmt":"2025-12-26T05:13:51","slug":"chuan-bi-hien-truong-truoc-khi-quet-3d-laser","status":"publish","type":"post","link":"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/","title":{"rendered":"C\u00e1ch chu\u1ea9n b\u1ecb hi\u1ec7n tr\u01b0\u1eddng tr\u01b0\u1edbc khi qu\u00e9t 3D Laser \u0111\u1ec3 c\u00f3 Point Cloud s\u1ea1ch"},"content":{"rendered":"<p><a href=\"https:\/\/vmts.ch\/vi\/scan-3d-laser\/\"><strong>D\u1ecbch v\u1ee5 Qu\u00e9t 3D Laser<\/strong><\/a> \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch c\u00e1c \u0111\u1ed9i d\u1ef1 \u00e1n ghi nh\u1eadn v\u00e0 l\u1eadp h\u1ed3 s\u01a1 hi\u1ec7n tr\u1ea1ng c\u00f4ng tr\u00ecnh. Ch\u1ec9 trong v\u00e0i gi\u1edd, m\u1ed9t \u0111\u1ed9i ng\u0169 gi\u00e0u kinh nghi\u1ec7m c\u00f3 th\u1ec3 thu th\u1eadp h\u00e0ng tri\u1ec7u \u0111i\u1ec3m d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 cung c\u1ea5p m\u1ed9t <strong>point cloud<\/strong> c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u2014 n\u1ec1n t\u1ea3ng cho c\u00e1c quy tr\u00ecnh BIM, CAD v\u00e0 Digital Twin.<\/p>\n<p>Nh\u01b0ng \u0111\u00e2y l\u00e0 \u0111i\u1ec1u nhi\u1ec1u ch\u1ee7 s\u1edf h\u1eefu v\u00e0 qu\u1ea3n l\u00fd hi\u1ec7n tr\u01b0\u1eddng th\u01b0\u1eddng b\u1ecf qua:<\/p>\n<p><strong> Ch\u1ea5t l\u01b0\u1ee3ng point cloud ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o vi\u1ec7c chu\u1ea9n b\u1ecb hi\u1ec7n tr\u01b0\u1eddng c\u0169ng nh\u01b0 ch\u00ednh thi\u1ebft b\u1ecb qu\u00e9t.<\/strong><\/p>\n<p>Ngay c\u1ea3 v\u1edbi ph\u1ea7n c\u1ee9ng ti\u00ean ti\u1ebfn, m\u1ed9t hi\u1ec7n tr\u01b0\u1eddng chu\u1ea9n b\u1ecb k\u00e9m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong>occlusions<\/strong> (thi\u1ebfu d\u1eef li\u1ec7u), <strong>ghosting<\/strong> (v\u1eadt th\u1ec3 chuy\u1ec3n \u0111\u1ed9ng b\u1ecb ghi nh\u1eadn th\u00e0nh m\u1edd\/nhi\u1ec5u), v\u00e0 t\u00ecnh tr\u1ea1ng b\u1eeba b\u1ed9n kh\u00f4ng c\u1ea7n thi\u1ebft \u2014 khi\u1ebfn giai \u0111o\u1ea1n d\u1ef1ng m\u00f4 h\u00ecnh ph\u00eda sau tr\u1edf n\u00ean kh\u00f3 h\u01a1n, t\u1ed1n th\u1eddi gian h\u01a1n v\u00e0 chi ph\u00ed cao h\u01a1n.<\/p>\n<p>N\u1ebfu nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 qu\u00e9t c\u1ee7a b\u1ea1n s\u1eafp \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng, h\u00e3y d\u00f9ng checklist d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o bu\u1ed5i qu\u00e9t di\u1ec5n ra tr\u01a1n tru, hi\u1ec7u qu\u1ea3 v\u00e0 cho ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u cao.<\/p>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-33160\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%271000%27%20viewBox%3D%270%200%201500%201000%27%3E%3Crect%20width%3D%271500%27%20height%3D%271000%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan.jpg\" alt=\"Remove Temporary Clutter \u2014 the #1 Enemy of a Clean Scan\" width=\"1500\" height=\"1000\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i Dung B\u00e0i Vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/#Checklist_nhanh_Truoc_khi_doi_quet_den_hien_truong\" >Checklist nhanh (Tr\u01b0\u1edbc khi \u0111\u1ed9i qu\u00e9t \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/#1_Don_dep_vat_can_tam_thoi_%E2%80%93_%E2%80%9Cke_thu_so_1%E2%80%9D_cua_mot_ban_quet_sach\" >1) D\u1ecdn d\u1eb9p v\u1eadt c\u1ea3n t\u1ea1m th\u1eddi \u2013 \u201ck\u1ebb th\u00f9 s\u1ed1 1\u201d c\u1ee7a m\u1ed9t b\u1ea3n qu\u00e9t s\u1ea1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/#2_Chuan_bi_chia_khoa_quyen_truy_cap_va_cac_quy_trinh_an_ninh\" >2) Chu\u1ea9n b\u1ecb ch\u00eca kh\u00f3a, quy\u1ec1n truy c\u1eadp v\u00e0 c\u00e1c quy tr\u00ecnh an ninh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/#3_Han_che_nguoi_qua_lai_%E2%80%93_ngan_%E2%80%9Cghosting%E2%80%9D_trong_du_lieu_quet\" >3) H\u1ea1n ch\u1ebf ng\u01b0\u1eddi qua l\u1ea1i \u2013 ng\u0103n \u201cghosting\u201d trong d\u1eef li\u1ec7u qu\u00e9t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/#4_Dam_bao_du_anh_sang_cho_point_cloud_mau_RGB\" >4) \u0110\u1ea3m b\u1ea3o \u0111\u1ee7 \u00e1nh s\u00e1ng cho point cloud m\u00e0u (RGB)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/#5_Giam_rung_dong_va_su_khong_on_dinh_tai_hien_truong\" >5) Gi\u1ea3m rung \u0111\u1ed9ng v\u00e0 s\u1ef1 kh\u00f4ng \u1ed5n \u0111\u1ecbnh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/vmts.ch\/vi\/chuan-bi-hien-truong-truoc-khi-quet-3d-laser\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Checklist_nhanh_Truoc_khi_doi_quet_den_hien_truong\"><\/span>Checklist nhanh (Tr\u01b0\u1edbc khi \u0111\u1ed9i qu\u00e9t \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>D\u1ecdn d\u1eb9p v\u1eadt c\u1ea3n t\u1ea1m th\u1eddi v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c che khu\u1ea5t t\u1ea7m nh\u00ecn<\/li>\n<li>Chu\u1ea9n b\u1ecb ch\u00eca kh\u00f3a, th\u1ebb ra v\u00e0o v\u00e0 c\u00e1c ph\u00ea duy\u1ec7t an ninh<\/li>\n<li>H\u1ea1n ch\u1ebf ng\u01b0\u1eddi qua l\u1ea1i \u0111\u1ec3 tr\u00e1nh ghosting<\/li>\n<li>B\u1eadt \u0111\u00e8n \u0111\u1ea7y \u0111\u1ee7 (\u0111\u1eb7c bi\u1ec7t khi c\u1ea7n point cloud m\u00e0u\/RGB)<\/li>\n<li>Gi\u1ea3m rung \u0111\u1ed9ng v\u00e0 \u0111\u1ea3m b\u1ea3o v\u1ecb tr\u00ed \u0111\u1eb7t m\u00e1y qu\u00e9t \u1ed5n \u0111\u1ecbnh<\/li>\n<\/ul>\n<h2 id=\"remove-clutter\"><span class=\"ez-toc-section\" id=\"1_Don_dep_vat_can_tam_thoi_%E2%80%93_%E2%80%9Cke_thu_so_1%E2%80%9D_cua_mot_ban_quet_sach\"><\/span>1) D\u1ecdn d\u1eb9p v\u1eadt c\u1ea3n t\u1ea1m th\u1eddi \u2013 \u201ck\u1ebb th\u00f9 s\u1ed1 1\u201d c\u1ee7a m\u1ed9t b\u1ea3n qu\u00e9t s\u1ea1ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-33151\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%271000%27%20viewBox%3D%270%200%201500%201000%27%3E%3Crect%20width%3D%271500%27%20height%3D%271000%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan-2.jpg\" alt=\"Clear these items before scanning\" width=\"1500\" height=\"1000\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>M\u00e1y qu\u00e9t laser ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean <strong>t\u1ea7m nh\u00ecn tr\u1ef1c ti\u1ebfp (line of sight)<\/strong>. N\u1ebfu m\u00e1y qu\u00e9t kh\u00f4ng \u201cnh\u00ecn th\u1ea5y\u201d m\u1ed9t b\u1ec1 m\u1eb7t, n\u00f3 kh\u00f4ng th\u1ec3 \u0111o \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t \u0111\u00f3. C\u00e1c c\u1ea5u ki\u1ec7n c\u1ed1 \u0111\u1ecbnh th\u00ec kh\u00f4ng sao \u2014 nh\u01b0ng \u0111\u1ed3 \u0111\u1ea1c t\u1ea1m th\u1eddi s\u1ebd t\u1ea1o ra c\u00e1c che khu\u1ea5t v\u00e0 \u201c\u0111i\u1ec3m m\u00f9\u201d kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n<p><strong>H\u00e3y d\u1ecdn c\u00e1c h\u1ea1ng m\u1ee5c sau tr\u01b0\u1edbc khi qu\u00e9t:<\/strong><\/p>\n<ul>\n<li>V\u1eadt t\u01b0 x\u00e2y d\u1ef1ng, pallet v\u00e0 c\u00e1c ch\u1ed3ng v\u00e1n\/plywood<\/li>\n<li>Th\u00f9ng l\u01b0u tr\u1eef t\u1ea1m, d\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng<\/li>\n<li>Xe \u0111\u1ed7 g\u1ea7n m\u1eb7t \u0111\u1ee9ng c\u00f4ng tr\u00ecnh ho\u1eb7c c\u00e1c l\u1ed1i ra v\u00e0o<\/li>\n<li>C\u00e2y c\u1ed1i\/vegetation m\u1ecdc um t\u00f9m che khu\u1ea5t t\u01b0\u1eddng b\u00ean ngo\u00e0i<\/li>\n<\/ul>\n<p><strong>V\u00ec sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng:<\/strong> D\u1ecdn v\u1eadt c\u1ea3n gi\u00fap gi\u1ea3m occlusions v\u00e0 h\u1ea1n ch\u1ebf vi\u1ec7c ph\u1ea3i \u201c\u0111o\u00e1n\u201d trong qu\u00e1 tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM\/CAD. Point cloud thu \u0111\u01b0\u1ee3c s\u1ebd r\u00f5 r\u00e0ng h\u01a1n, s\u1ea1ch h\u01a1n v\u00e0 \u0111\u1ea7y \u0111\u1ee7 h\u01a1n.<\/p>\n<h2 id=\"access-security\"><span class=\"ez-toc-section\" id=\"2_Chuan_bi_chia_khoa_quyen_truy_cap_va_cac_quy_trinh_an_ninh\"><\/span>2) Chu\u1ea9n b\u1ecb ch\u00eca kh\u00f3a, quy\u1ec1n truy c\u1eadp v\u00e0 c\u00e1c quy tr\u00ecnh an ninh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"lazyload alignnone wp-image-33156 size-full\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%27837%27%20viewBox%3D%270%200%201500%20837%27%3E%3Crect%20width%3D%271500%27%20height%3D%27837%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan-7.jpg\" alt=\"All keys, key cards, and access badges are available\" width=\"1500\" height=\"837\" \/><\/p>\n<p>\u0110\u1ed9i qu\u00e9t s\u1ebd di chuy\u1ec3n theo quy tr\u00ecnh, l\u1ea7n l\u01b0\u1ee3t t\u1eeb khu v\u1ef1c n\u00e0y sang khu v\u1ef1c kh\u00e1c. B\u1ea5t k\u1ef3 s\u1ef1 ch\u1eadm tr\u1ec5 n\u00e0o \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 do c\u1eeda kh\u00f3a \u2014 \u0111\u1ec1u l\u00e0m gi\u00e1n \u0111o\u1ea1n workflow v\u00e0 c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian qu\u00e9t.<\/p>\n<p><strong>Tr\u01b0\u1edbc khi \u0111\u1ed9i qu\u00e9t \u0111\u1ebfn, h\u00e3y \u0111\u1ea3m b\u1ea3o:<\/strong><\/p>\n<ul>\n<li>T\u1ea5t c\u1ea3 ch\u00eca kh\u00f3a, th\u1ebb t\u1eeb v\u00e0 th\u1ebb ra v\u00e0o \u0111\u1ec1u s\u1eb5n s\u00e0ng<\/li>\n<li>C\u00e1c ph\u00f2ng c\u01a1 \u0111i\u1ec7n, ph\u00f2ng \u0111i\u1ec7n, ph\u00f2ng server v\u00e0 kho l\u01b0u tr\u1eef c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn<\/li>\n<li>C\u00e1c khu v\u1ef1c h\u1ea1n ch\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t cho ph\u00e9p v\u00e0o<\/li>\n<li>\u0110\u00e3 ho\u00e0n t\u1ea5t h\u01b0\u1edbng d\u1eabn an to\u00e0n v\u00e0 c\u00e1c y\u00eau c\u1ea7u \u0111\u00e0o t\u1ea1o c\u1ea7n thi\u1ebft t\u1eeb tr\u01b0\u1edbc<\/li>\n<\/ul>\n<p>Vi\u1ec7c chu\u1ea9n b\u1ecb n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf th\u1eddi gian ch\u1edd v\u00e0 gi\u1eef \u0111\u00fang ti\u1ebfn \u0111\u1ed9 qu\u00e9t.<\/p>\n<h2 id=\"foot-traffic\"><span class=\"ez-toc-section\" id=\"3_Han_che_nguoi_qua_lai_%E2%80%93_ngan_%E2%80%9Cghosting%E2%80%9D_trong_du_lieu_quet\"><\/span>3) H\u1ea1n ch\u1ebf ng\u01b0\u1eddi qua l\u1ea1i \u2013 ng\u0103n \u201cghosting\u201d trong d\u1eef li\u1ec7u qu\u00e9t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-33153\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%27837%27%20viewBox%3D%270%200%201500%20837%27%3E%3Crect%20width%3D%271500%27%20height%3D%27837%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan-4.jpg\" alt=\"\" width=\"1500\" height=\"837\" \/><\/p>\n<p>M\u00e1y qu\u00e9t laser ghi nh\u1eadn m\u1ecdi th\u1ee9 trong khung c\u1ea3nh \u2014 bao g\u1ed3m c\u1ea3 ng\u01b0\u1eddi \u0111ang di chuy\u1ec3n. Chuy\u1ec3n \u0111\u1ed9ng th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng b\u00f3ng m\u1edd ho\u1eb7c nhi\u1ec5u, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>ghosting<\/strong>.<\/p>\n<p><strong>Th\u1ef1c h\u00e0nh khuy\u1ebfn ngh\u1ecb:<\/strong><\/p>\n<ul>\n<li>N\u1ebfu c\u00f3 th\u1ec3, s\u1eafp x\u1ebfp qu\u00e9t v\u00e0o ngo\u00e0i gi\u1edd ho\u1eb7c cu\u1ed1i tu\u1ea7n<\/li>\n<li>\u0110\u1ec1 ngh\u1ecb nh\u00e2n s\u1ef1 tr\u00e1nh \u0111i l\u1ea1i g\u1ea7n m\u00e1y qu\u00e9t khi m\u00e1y \u0111ang ch\u1ea1y<\/li>\n<li>N\u1ebfu c\u1ea7n, t\u1ea1m d\u1eebng di chuy\u1ec3n trong 2\u20134 ph\u00fat cho m\u1ed7i v\u1ecb tr\u00ed \u0111\u1eb7t m\u00e1y<\/li>\n<\/ul>\n<p><strong>Khung c\u1ea3nh s\u1ea1ch = point cloud s\u1ea1ch = d\u1ef1ng m\u00f4 h\u00ecnh nhanh h\u01a1n.<\/strong><\/p>\n<h2 id=\"lighting\"><span class=\"ez-toc-section\" id=\"4_Dam_bao_du_anh_sang_cho_point_cloud_mau_RGB\"><\/span>4) \u0110\u1ea3m b\u1ea3o \u0111\u1ee7 \u00e1nh s\u00e1ng cho point cloud m\u00e0u (RGB)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-33154\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%27837%27%20viewBox%3D%270%200%201500%20837%27%3E%3Crect%20width%3D%271500%27%20height%3D%27837%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan-5.jpg\" alt=\"Turn on all interior lighting Open curtains or blinds \" width=\"1500\" height=\"837\" \/><\/p>\n<p>M\u00e1y qu\u00e9t laser kh\u00f4ng c\u1ea7n \u00e1nh s\u00e1ng \u0111\u1ec3 thu h\u00ecnh h\u1ecdc \u2014 nh\u01b0ng <strong>point cloud m\u00e0u<\/strong> (RGB) th\u00ec c\u00f3. N\u1ebfu b\u1ea1n c\u1ea7n d\u1eef li\u1ec7u m\u00e0u cho m\u1ee5c \u0111\u00edch tr\u1ef1c quan h\u00f3a, h\u1ed3 s\u01a1 t\u00e0i s\u1ea3n ho\u1eb7c tr\u00ecnh b\u00e0y v\u1edbi c\u00e1c b\u00ean li\u00ean quan, \u00e1nh s\u00e1ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n<p><strong>N\u1ebfu b\u1ea1n c\u1ea7n qu\u00e9t RGB\/m\u00e0u:<\/strong><\/p>\n<ul>\n<li>B\u1eadt to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng trong nh\u00e0<\/li>\n<li>M\u1edf r\u00e8m ho\u1eb7c c\u1eeda ch\u1edbp (khi ph\u00f9 h\u1ee3p)<\/li>\n<li>Th\u00f4ng b\u00e1o cho \u0111\u1ed9i qu\u00e9t n\u1ebfu c\u00f4ng tr\u00ecnh kh\u00f4ng c\u00f3 \u0111i\u1ec7n<\/li>\n<li>B\u1ed1 tr\u00ed \u0111\u00e8n t\u1ea1m n\u1ebfu c\u1ea7n<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-33159\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%27819%27%20viewBox%3D%270%200%201500%20819%27%3E%3Crect%20width%3D%271500%27%20height%3D%27819%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan-10.jpg\" alt=\"\" width=\"1500\" height=\"819\" \/><\/p>\n<p>\u00c1nh s\u00e1ng t\u1ed1t gi\u00fap m\u00e0u s\u1eafc \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n v\u00e0 t\u1ea1o texture s\u1eafc n\u00e9t, ch\u00e2n th\u1ef1c h\u01a1n.<\/p>\n<h2 id=\"vibrations\"><span class=\"ez-toc-section\" id=\"5_Giam_rung_dong_va_su_khong_on_dinh_tai_hien_truong\"><\/span>5) Gi\u1ea3m rung \u0111\u1ed9ng v\u00e0 s\u1ef1 kh\u00f4ng \u1ed5n \u0111\u1ecbnh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-33155\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%271006%27%20viewBox%3D%270%200%201500%201006%27%3E%3Crect%20width%3D%271500%27%20height%3D%271006%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan-6.jpg\" alt=\"Pause nearby machinery (hammer drills, forklifts, jackhammers) \" width=\"1500\" height=\"1006\" \/><\/p>\n<p>Qu\u00e9t laser ho\u1ea1t \u0111\u1ed9ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng milimet. Rung \u0111\u1ed9ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u2014 \u0111\u1eb7c bi\u1ec7t \u1edf khu v\u1ef1c c\u00f3 m\u00e1y m\u00f3c n\u1eb7ng ho\u1eb7c \u0111ang thi c\u00f4ng.<\/p>\n<p><strong>Tr\u01b0\u1edbc khi qu\u00e9t:<\/strong><\/p>\n<ul>\n<li>T\u1ea1m d\u1eebng c\u00e1c thi\u1ebft b\u1ecb g\u1ea7n \u0111\u00f3 (m\u00e1y khoan b\u00faa, xe n\u00e2ng, m\u00e1y \u0111\u1ee5c b\u00ea t\u00f4ng) n\u1ebfu c\u00f3 th\u1ec3<\/li>\n<li>Tr\u00e1nh \u0111\u1eb7t tripod tr\u00ean s\u00e0n kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c c\u00e1c t\u1ea5m grating\/kim lo\u1ea1i d\u1ea1ng l\u01b0\u1edbi<\/li>\n<li>Th\u00f4ng b\u00e1o cho \u0111\u1ed9i qu\u00e9t v\u1ec1 chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c n\u1eb7ng v\u00e0 c\u00e1c ngu\u1ed3n rung<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"lazyload alignnone wp-image-33157 size-full\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%27837%27%20viewBox%3D%270%200%201500%20837%27%3E%3Crect%20width%3D%271500%27%20height%3D%27837%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/12\/prepare-site-before-3d-laser-scan-8.jpg\" alt=\"3D Laser Scanning Services\" width=\"1500\" height=\"837\" \/><\/p>\n<p>V\u1ecb tr\u00ed \u0111\u1eb7t m\u00e1y \u1ed5n \u0111\u1ecbnh gi\u00fap t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd\/gh\u00e9p \u0111i\u1ec3m (registration) tin c\u1eady h\u01a1n \u2014 \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c d\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p v\u00e0 k\u1ebft c\u1ea5u.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed9t hi\u1ec7n tr\u01b0\u1eddng \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb t\u1ed1t s\u1ebd gi\u00fap <strong>D\u1ecbch v\u1ee5 Qu\u00e9t 3D Laser<\/strong> di\u1ec5n ra nhanh h\u01a1n, ch\u00ednh x\u00e1c h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n. Ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 m\u1ed9t ch\u00fat th\u1eddi gian tr\u01b0\u1edbc bu\u1ed5i qu\u00e9t, b\u1ea1n s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng point cloud v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c b\u01b0\u1edbc tri\u1ec3n khai ph\u00eda sau trong Revit, Archicad v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng CAD\/BIM kh\u00e1c tr\u01a1n tru h\u01a1n.<\/p>\n<p><strong>N\u1ebfu b\u1ea1n c\u1ea7n h\u1ed3 s\u01a1 hi\u1ec7n tr\u1ea1ng (as-built) \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/strong> ho\u1eb7c \u0111ang l\u00ean k\u1ebf ho\u1ea1ch c\u1ea3i t\u1ea1o, m\u1edf r\u1ed9ng hay ki\u1ec3m tra\/\u0111\u00e1nh gi\u00e1 c\u00f4ng tr\u00ecnh, ch\u00fang t\u00f4i s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3.<\/p>\n<p><strong> S\u1eb5n s\u00e0ng ghi nh\u1eadn t\u00e0i s\u1ea3n c\u1ee7a b\u1ea1n v\u1edbi \u0111\u1ea7y \u0111\u1ee7 chi ti\u1ebft?<\/strong><br \/>\n<a href=\"https:\/\/vmts.ch\/vi\/lien-he\/\">H\u00e3y trao \u0111\u1ed5i v\u1ec1 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u1ecbch v\u1ee5 Qu\u00e9t 3D Laser \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch c\u00e1c \u0111\u1ed9i d\u1ef1 \u00e1n ghi nh\u1eadn v\u00e0 l\u1eadp h\u1ed3 s\u01a1 hi\u1ec7n tr\u1ea1ng c\u00f4ng tr\u00ecnh. Ch\u1ec9 trong v\u00e0i gi\u1edd, m\u1ed9t \u0111\u1ed9i ng\u0169 gi\u00e0u kinh nghi\u1ec7m c\u00f3 th\u1ec3 [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":33185,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[91,122],"tags":[],"class_list":["post-33170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khao-sat-hien-trang-3d-laser","category-quet-3d-laser-2"],"acf":[],"_links":{"self":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/33170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/comments?post=33170"}],"version-history":[{"count":4,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/33170\/revisions"}],"predecessor-version":[{"id":33187,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/33170\/revisions\/33187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/media\/33185"}],"wp:attachment":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/media?parent=33170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/categories?post=33170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/tags?post=33170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}