{"id":29408,"date":"2025-02-27T06:41:35","date_gmt":"2025-02-26T23:41:35","guid":{"rendered":"https:\/accuracy-matters-in-point-cloud-to-cad-conversion\/"},"modified":"2025-03-03T05:03:23","modified_gmt":"2025-03-03T05:03:23","slug":"ung-dung-3d-laser-chinh-xac","status":"publish","type":"post","link":"https:\/\/vmts.ch\/vi\/ung-dung-3d-laser-chinh-xac\/","title":{"rendered":"L\u1ef1a ch\u1ecdn m\u00e1y qu\u00e9t ph\u00f9 h\u1ee3p: V\u00ec sao \u0111\u1ed9 ch\u00ednh x\u00e1c quan tr\u1ecdng trong qu\u00e9t laser v\u00e0 \u1ee9ng d\u1ee5ng 3D laser ch\u00ednh x\u00e1c"},"content":{"rendered":"<p data-start=\"0\" data-end=\"147\"><strong data-start=\"0\" data-end=\"145\">L\u1ef1a ch\u1ecdn m\u00e1y qu\u00e9t ph\u00f9 h\u1ee3p: V\u00ec sao \u0111\u1ed9 ch\u00ednh x\u00e1c quan tr\u1ecdng trong qu\u00e9t laser v\u00e0 \u1ee9ng d\u1ee5ng 3D laser ch\u00ednh x\u00e1c v\u00e0o chuy\u1ec3n \u0111\u1ed5i Point Cloud sang CAD<\/strong><\/p>\n<p data-start=\"149\" data-end=\"603\">M\u1ed9t kh\u00e1ch h\u00e0ng m\u1edbi \u0111\u00e3 li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i sau khi ph\u00e1t hi\u1ec7n sai l\u1ec7ch l\u1edbn\u2014h\u01a1n 4 cm\u2014trong d\u1eef li\u1ec7u Point Cloud sang CAD m\u00e0 anh \u1ea5y nh\u1eadn \u0111\u01b0\u1ee3c. D\u00f9 \u0111\u00e3 ki\u1ec3m tra nhi\u1ec1u l\u1ea7n, anh \u1ea5y v\u1eabn kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u sai s\u1ed1 n\u00e0y c\u00f3 th\u1ef1c s\u1ef1 t\u1ed3n t\u1ea1i hay kh\u00f4ng. D\u1ef1 \u00e1n li\u00ean quan \u0111\u1ebfn c\u1ea3i t\u1ea1o m\u1eb7t ti\u1ec1n t\u00f2a nh\u00e0 b\u1eb1ng c\u00e1c t\u1ea5m l\u1eafp gh\u00e9p s\u1eb5n, n\u01a1i m\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng. Sai l\u1ec7ch l\u1edbn nh\u01b0 v\u1eady khi\u1ebfn d\u1eef li\u1ec7u tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng tin c\u1eady cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 l\u1eafp \u0111\u1eb7t.<\/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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vmts.ch\/vi\/ung-dung-3d-laser-chinh-xac\/#Khong_phai_tat_ca_may_quet_laser_deu_giong_nhau\" >Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 m\u00e1y qu\u00e9t laser \u0111\u1ec1u gi\u1ed1ng nhau<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vmts.ch\/vi\/ung-dung-3d-laser-chinh-xac\/#Do_chinh_xac_la_yeu_to_quyet_dinh_trong_ung_dung_3D_laser_chinh_xac\" >\u0110\u1ed9 ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong \u1ee9ng d\u1ee5ng 3D laser ch\u00ednh x\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vmts.ch\/vi\/ung-dung-3d-laser-chinh-xac\/#Dam_bao_do_chinh_xac_trong_chuyen_doi_Point_Cloud_sang_CAD\" >\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong chuy\u1ec3n \u0111\u1ed5i Point Cloud sang CAD<\/a><\/li><\/ul><\/nav><\/div>\n<h3 data-start=\"605\" data-end=\"658\"><span class=\"ez-toc-section\" id=\"Khong_phai_tat_ca_may_quet_laser_deu_giong_nhau\"><\/span>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 m\u00e1y qu\u00e9t laser \u0111\u1ec1u gi\u1ed1ng nhau<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"659\" data-end=\"839\">Sau khi ph\u00e2n t\u00edch, ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y sai s\u1ed1 th\u1ef1c t\u1ebf c\u00f2n l\u1edbn h\u01a1n\u2014h\u01a1n 5 cm. Nguy\u00ean nh\u00e2n? M\u1ed9t m\u00e1y qu\u00e9t laser m\u1eb7t \u0111\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang cho d\u1ef1 \u00e1n y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n<p data-start=\"841\" data-end=\"1014\">Nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y qu\u00e9t laser m\u1eb7t \u0111\u1ea5t \u0111\u1ec1u cho k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng milimet. Tuy nhi\u00ean, nh\u01b0 Erwin Burth, Gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh @RIEGL Germany, t\u1eebng n\u00f3i:<\/p>\n<p data-start=\"1016\" data-end=\"1075\"><strong data-start=\"1016\" data-end=\"1073\">&#8220;Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 m\u00e1y qu\u00e9t laser 3D \u0111\u1ec1u gi\u1ed1ng nhau.&#8221;<\/strong><\/p>\n<p data-start=\"1077\" data-end=\"1443\">Sau khi ki\u1ec3m tra k\u1ef9 h\u01a1n, ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a m\u00e1y qu\u00e9t n\u00e0y ch\u1ec9 \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c 20 mm cho m\u1ed7i v\u1ecb tr\u00ed qu\u00e9t, \u0111i\u1ec1u n\u00e0y khi\u1ebfn sai s\u1ed1 tr\u00ean ho\u00e0n to\u00e0n h\u1ee3p l\u00fd. Kh\u00e1ch h\u00e0ng \u0111\u00e3 ch\u1ecdn sai thi\u1ebft b\u1ecb cho c\u00f4ng vi\u1ec7c. V\u1edbi lo\u1ea1i m\u00e1y qu\u00e9t n\u00e0y, sai s\u1ed1 4\u20135 cm kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec1u b\u1ea5t th\u01b0\u1eddng\u2014v\u00e0 r\u00f5 r\u00e0ng n\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p cho m\u00f4 h\u00ecnh CAD ch\u00ednh x\u00e1c t\u1eeb d\u1eef li\u1ec7u Point Cloud.<\/p>\n<h3 data-start=\"1445\" data-end=\"1518\"><span class=\"ez-toc-section\" id=\"Do_chinh_xac_la_yeu_to_quyet_dinh_trong_ung_dung_3D_laser_chinh_xac\"><\/span>\u0110\u1ed9 ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong \u1ee9ng d\u1ee5ng 3D laser ch\u00ednh x\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1519\" data-end=\"1867\">M\u1ed9t s\u1ed1 ng\u01b0\u1eddi cho r\u1eb1ng \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u1ea7n thi\u1ebft. Tuy nhi\u00ean, t\u1ea1i VMT Solutions, ch\u00fang t\u00f4i \u0111\u1eb7t ti\u00eau chu\u1ea9n sai s\u1ed1 t\u1ed1i \u0111a l\u00e0 1,5 cm cho t\u1ea5t c\u1ea3 c\u00e1c m\u00f4 h\u00ecnh Point Cloud sang CAD. N\u1ebfu kh\u00e1ch h\u00e0ng y\u00eau c\u1ea7u \u0111\u1ed9 sai l\u1ec7ch l\u1edbn h\u01a1n, chi ph\u00ed c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng, nh\u01b0ng n\u1ebfu c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n, ch\u00fang t\u00f4i ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng.<\/p>\n<p data-start=\"1869\" data-end=\"2271\">M\u1ed9t trong nh\u1eefng d\u1ef1 \u00e1n ph\u1ee9c t\u1ea1p nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n l\u00e0 thay th\u1ebf lan can k\u00ednh tr\u00ean c\u1ea7u thang th\u00e9p. Y\u00eau c\u1ea7u \u0111\u1eb7t ra? <strong data-start=\"1990\" data-end=\"2023\">\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng milimet<\/strong>\u2014v\u00ec c\u00e1c t\u1ea5m k\u00ednh sau khi s\u1ea3n xu\u1ea5t ph\u1ea3i l\u1eafp v\u1eeba kh\u00edt v\u00e0o r\u00e3nh s\u1eb5n c\u00f3. Ch\u1ec9 c\u1ea7n sai l\u1ec7ch 5 mm, vi\u1ec7c l\u1eafp \u0111\u1eb7t s\u1ebd kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n. \u0110\u1ed9 ch\u00ednh x\u00e1c n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua c\u00f4ng ngh\u1ec7 qu\u00e9t laser ti\u00ean ti\u1ebfn v\u00e0 quy tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a CAD ch\u00ednh x\u00e1c.<\/p>\n<h3 data-start=\"2273\" data-end=\"2337\"><span class=\"ez-toc-section\" id=\"Dam_bao_do_chinh_xac_trong_chuyen_doi_Point_Cloud_sang_CAD\"><\/span>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong chuy\u1ec3n \u0111\u1ed5i Point Cloud sang CAD<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2338\" data-end=\"2711\">Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 qu\u00e9t ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i Point Cloud sang CAD. T\u1ea1i VMT Solutions, ch\u00fang t\u00f4i k\u1ebft h\u1ee3p chuy\u00ean m\u00f4n, thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn v\u00e0 quy tr\u00ecnh t\u1ed1i \u01b0u \u0111\u1ec3 t\u1ea1o ra m\u00f4 h\u00ecnh CAD c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao t\u1eeb d\u1eef li\u1ec7u Point Cloud\u2014gi\u00fap ki\u1ebfn tr\u00fac s\u01b0, k\u1ef9 s\u01b0 v\u00e0 \u0111\u01a1n v\u1ecb thi c\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng trong d\u1ef1 \u00e1n c\u1ee7a h\u1ecd.<\/p>\n<p data-start=\"2713\" data-end=\"2876\"><strong data-start=\"2713\" data-end=\"2808\">C\u1ea7n h\u1ed7 tr\u1ee3 chuy\u00ean s\u00e2u trong \u1ee9ng d\u1ee5ng 3D laser ch\u00ednh x\u00e1c v\u00e0 chuy\u1ec3n \u0111\u1ed5i Point Cloud sang CAD?<\/strong><br data-start=\"2808\" data-end=\"2811\" \/> <strong data-start=\"2814\" data-end=\"2837\">Gh\u00e9 th\u0103m ch\u00fang t\u00f4i:<\/strong> <a href=\"https:\/\" target=\"_new\" rel=\"noopener\" data-start=\"2838\" data-end=\"2874\">https:\/<\/a><\/p>\n<p data-start=\"2878\" data-end=\"3018\" data-is-last-node=\"\" data-is-only-node=\"\">\n<div class=\"video-shortcode\"><iframe title=\"Kh\u1ea3o s\u00e1t hi\u1ec7n tr\u1ea1ng 3D Laser \u0111\u1ec3 c\u1ea3i t\u1ea1o ch\u00ednh x\u00e1c c\u1ea7u thang v\u1edbi lan can k\u00ednh\" width=\"1360\" height=\"765\" src=\"https:\/\/www.youtube.com\/embed\/gVFk2HVkxQ8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p data-start=\"2967\" data-end=\"3083\" data-is-last-node=\"\" data-is-only-node=\"\">#pointcloudtoCAD #CADmodeling #laserscanning #highaccuracy #3Dscanning #digitaltwin #precisionmodeling #VMTsolutions<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ef1a ch\u1ecdn m\u00e1y qu\u00e9t ph\u00f9 h\u1ee3p: V\u00ec sao \u0111\u1ed9 ch\u00ednh x\u00e1c quan tr\u1ecdng trong qu\u00e9t laser v\u00e0 \u1ee9ng d\u1ee5ng 3D laser ch\u00ednh x\u00e1c v\u00e0o chuy\u1ec3n \u0111\u1ed5i Point Cloud sang CAD M\u1ed9t kh\u00e1ch h\u00e0ng m\u1edbi \u0111\u00e3 [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":29017,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[132,414],"tags":[],"class_list":["post-29408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mo-hinh-hoa-3d-bim-tu-point-cloud","category-punktwolke-zu-bim-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/29408","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=29408"}],"version-history":[{"count":0,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/29408\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/media\/29017"}],"wp:attachment":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/media?parent=29408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/categories?post=29408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/tags?post=29408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}