{"id":26983,"date":"2025-04-15T14:56:10","date_gmt":"2025-04-15T07:56:10","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=26983"},"modified":"2025-04-15T14:56:10","modified_gmt":"2025-04-15T07:56:10","slug":"opencv-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/opencv-la-gi\/","title":{"rendered":"OpenCV l\u00e0 g\u00ec? 6 \u0111i\u1ec1u n\u00ean bi\u1ebft v\u1ec1 th\u01b0 vi\u1ec7n OpenCV cho ng\u01b0\u1eddi m\u1edbi"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#OpenCV-la-gi\" >OpenCV l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Cac-Module-pho-bien-cua-OpenCV\" >C\u00e1c Module ph\u1ed5 bi\u1ebfn c\u1ee7a OpenCV<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Cac-tinh-nang-mo-dun-OpenCV\" >C\u00e1c t\u00ednh n\u0103ng m\u00f4 \u0111un OpenCV<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Xu-ly-va-Bien-doi-AnhVideo\" >X\u1eed l\u00fd v\u00e0 Bi\u1ebfn \u0111\u1ed5i \u1ea2nh\/Video<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Phat-hien-va-Nhan-dang-doi-tuong\" >Ph\u00e1t hi\u1ec7n v\u00e0 Nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Theo-doi-chuyen-dong-va-Phan-tich-Video\" >Theo d\u00f5i chuy\u1ec3n \u0111\u1ed9ng v\u00e0 Ph\u00e2n t\u00edch Video<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Tai-tao-3D-va-Hieu-chinh-Camera\" >T\u00e1i t\u1ea1o 3D v\u00e0 Hi\u1ec7u ch\u1ec9nh Camera<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Tich-hop-Hoc-may-va-Hoc-sau\" >T\u00edch h\u1ee3p H\u1ecdc m\u00e1y v\u00e0 H\u1ecdc s\u00e2u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Nhiep-anh-dien-toan\" >Nhi\u1ebfp \u1ea3nh \u0111i\u1ec7n to\u00e1n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Cac-ngon-ngu-lap-trinh-pho-bien-duoc-su-dung-trong-OpenCV\" >C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong OpenCV<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#-Ngon-ngu-C\" >\u00a0Ng\u00f4n ng\u1eef C++<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#-Ngon-ngu-Python\" >\u00a0Ng\u00f4n ng\u1eef Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#-Ngon-ngu-Java\" >\u00a0Ng\u00f4n ng\u1eef Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#-Cac-ngon-ngu-khac\" >\u00a0C\u00e1c ng\u00f4n ng\u1eef kh\u00e1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Ung-dung-thuc-te-cua-OpenCV\" >\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a OpenCV<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#1-An-ninh-va-Giam-sat\" >1. An ninh v\u00e0 Gi\u00e1m s\u00e1t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#2-Robot-va-Tu-dong-hoa\" >2. Robot v\u00e0 T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#3-Y-te-va-Sinh-hoc\" >3. Y t\u1ebf v\u00e0 Sinh h\u1ecdc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#4-O-to-va-Giao-thong-thong-minh\" >4. \u00d4 t\u00f4 v\u00e0 Giao th\u00f4ng th\u00f4ng minh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#5-Thuc-te-tang-cuong-AR\" >5. Th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng (AR)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#6-Giai-tri-va-Tuong-tac-Nguoi-May-HCI\" >6. Gi\u1ea3i tr\u00ed v\u00e0 T\u01b0\u01a1ng t\u00e1c Ng\u01b0\u1eddi-M\u00e1y (HCI)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/#Mot-so-luu-y-khi-su-dung-OpenCV-la-gi\" >M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi s\u1eed d\u1ee5ng OpenCV l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/nav><\/div>\n<p>OpenCV l\u00e0 th\u01b0 vi\u1ec7n m\u00e3 ngu\u1ed3n m\u1edf m\u1ea1nh m\u1ebd d\u00e0nh cho th\u1ecb gi\u00e1c m\u00e1y t\u00ednh, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 an ninh, y t\u1ebf, robot, \u00f4 t\u00f4 t\u1ef1 l\u00e1i v\u00e0 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 <a href=\"https:\/\/interdata.vn\/blog\/opencv-la-gi\/\"><strong>OpenCV l\u00e0 g\u00ec<\/strong><\/a>, c\u00e1c module n\u1ed5i b\u1eadt, c\u00e1c ng\u00f4n ng\u1eef <a href=\"https:\/\/interdata.vn\/blog\/lap-trinh-la-gi\/\">l\u1eadp tr\u00ecnh<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong OpenCV, c\u0169ng nh\u01b0 nh\u1eefng \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n khi s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"OpenCV-la-gi\"><\/span><strong>OpenCV l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>OpenCV (Open Source Computer Vision <a href=\"https:\/\/interdata.vn\/blog\/thu-vien-library-trong-lap-trinh\/\">Library<\/a>) l\u00e0 th\u01b0 vi\u1ec7n m\u00e3 ngu\u1ed3n m\u1edf h\u00e0ng \u0111\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1ecb gi\u00e1c m\u00e1y t\u00ednh<\/strong>. N\u00f3 cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/thuat-toan-algorithm\/\">thu\u1eadt to\u00e1n<\/a> gi\u00fap m\u00e1y t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng &#8220;nh\u00ecn&#8221;, x\u1eed l\u00fd v\u00e0 hi\u1ec3u d\u1eef li\u1ec7u t\u1eeb h\u00ecnh \u1ea3nh ho\u1eb7c video k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n<p>B\u1ea3n ch\u1ea5t &#8220;m\u00e3 ngu\u1ed3n m\u1edf&#8221; ngh\u0129a l\u00e0 m\u00e3 ngu\u1ed3n c\u1ee7a OpenCV \u0111\u01b0\u1ee3c c\u00f4ng khai. Th\u01b0 vi\u1ec7n OpenCV s\u1eed d\u1ee5ng gi\u1ea5y ph\u00e9p Apache 2 (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 BSD), cho ph\u00e9p m\u1ecdi ng\u01b0\u1eddi t\u1ef1 do s\u1eed d\u1ee5ng, sao ch\u00e9p, s\u1eeda \u0111\u1ed5i v\u00e0 ph\u00e2n ph\u1ed1i l\u1ea1i cho m\u1ecdi m\u1ee5c \u0111\u00edch, k\u1ec3 c\u1ea3 th\u01b0\u01a1ng m\u1ea1i, m\u00e0 kh\u00f4ng t\u1ed1n ph\u00ed.<\/p>\n<figure id=\"attachment_26986\" aria-describedby=\"caption-attachment-26986\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/OpenCV-la-gi.jpeg\" alt=\"OpenCV l\u00e0 g\u00ec\" width=\"800\" height=\"478\" class=\"size-full wp-image-26986\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/OpenCV-la-gi.jpeg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/OpenCV-la-gi-300x179.jpeg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/OpenCV-la-gi-768x459.jpeg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/OpenCV-la-gi-750x448.jpeg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-26986\" class=\"wp-caption-text\">OpenCV l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>D\u1ef1 \u00e1n OpenCV do Intel kh\u1edfi x\u01b0\u1edbng v\u00e0o n\u0103m 1999. M\u1ee5c ti\u00eau ban \u0111\u1ea7u l\u00e0 t\u0103ng t\u1ed1c c\u00e1c \u1ee9ng d\u1ee5ng th\u1ecb gi\u00e1c m\u00e1y t\u00ednh \u0111\u00f2i h\u1ecfi nhi\u1ec1u t\u00e0i nguy\u00ean. Hi\u1ec7n nay, t\u1ed5 ch\u1ee9c \u0111\u1ed9c l\u1eadp OpenCV.org qu\u1ea3n l\u00fd d\u1ef1 \u00e1n v\u1edbi s\u1ef1 \u0111\u00f3ng g\u00f3p t\u00edch c\u1ef1c t\u1eeb c\u1ed9ng \u0111\u1ed3ng v\u00e0 c\u00e1c c\u00f4ng ty c\u00f4ng ngh\u1ec7 l\u1edbn.<\/p>\n<p>Th\u1ecb gi\u00e1c m\u00e1y t\u00ednh (Computer Vision) l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00e1y t\u00ednh. N\u00f3 t\u1eadp trung v\u00e0o vi\u1ec7c l\u00e0m cho m\u00e1y t\u00ednh c\u00f3 th\u1ec3 &#8220;nh\u00ecn&#8221; v\u00e0 di\u1ec5n gi\u1ea3i n\u1ed9i dung c\u1ee7a h\u00ecnh \u1ea3nh, video gi\u1ed1ng nh\u01b0 con ng\u01b0\u1eddi. OpenCV ch\u00ednh l\u00e0 b\u1ed9 c\u00f4ng c\u1ee5 c\u1ed1t l\u00f5i \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-Module-pho-bien-cua-OpenCV\"><\/span><strong>C\u00e1c Module ph\u1ed5 bi\u1ebfn c\u1ee7a OpenCV<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi \u0111\u00e3 hi\u1ec3u s\u01a1 l\u01b0\u1ee3c v\u1ec1 th\u01b0 vi\u1ec7n OpenCV l\u00e0 g\u00ec, h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c Module ph\u1ed5 bi\u1ebfn c\u1ee7a OpenCV ngay d\u01b0\u1edbi \u0111\u00e2y!<\/p>\n<p>OpenCV s\u1eafp x\u1ebfp ch\u1ee9c n\u0103ng th\u00e0nh c\u00e1c module ri\u00eang bi\u1ec7t \u0111\u1ec3 d\u1ec5 qu\u1ea3n l\u00fd. M\u1ed7i module t\u1eadp trung v\u00e0o m\u1ed9t nh\u00f3m nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3 trong th\u1ecb gi\u00e1c m\u00e1y t\u00ednh.<\/p>\n<p><strong>Module <\/strong><code><strong>core<\/strong><\/code><strong> (C\u1ed1t l\u00f5i):<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Cung c\u1ea5p <a href=\"https:\/\/interdata.vn\/blog\/cau-truc-du-lieu\/\">c\u1ea5u tr\u00fac d\u1eef li\u1ec7u<\/a> c\u01a1 b\u1ea3n (nh\u01b0 <code>Mat<\/code> \u0111\u1ec3 l\u01b0u tr\u1eef \u1ea3nh\/ma tr\u1eadn).<\/li>\n<li>Ch\u1ee9a c\u00e1c ph\u00e9p to\u00e1n ma tr\u1eadn v\u00e0 h\u00e0m ti\u1ec7n \u00edch c\u1ed1t l\u00f5i.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Module <\/strong><code><strong>imgproc<\/strong><\/code><strong> (X\u1eed l\u00fd \u1ea3nh):<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Ch\u1ee9a c\u00e1c h\u00e0m x\u1eed l\u00fd \u1ea3nh: l\u1ecdc \u1ea3nh (l\u00e0m m\u1edd, n\u00e9t), bi\u1ebfn \u0111\u1ed5i h\u00ecnh h\u1ecdc (xoay, co gi\u00e3n).<\/li>\n<li>Bao g\u1ed3m thu\u1eadt to\u00e1n ph\u00e1t hi\u1ec7n c\u1ea1nh, ph\u00e2n ng\u01b0\u1ee1ng, v\u00e0 x\u1eed l\u00fd h\u00ecnh th\u00e1i h\u1ecdc.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Module <\/strong><code><strong>highgui<\/strong><\/code><strong> (Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng cao c\u1ea5p):<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Cung c\u1ea5p ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u00e1c: hi\u1ec3n th\u1ecb \u1ea3nh\/video.<\/li>\n<li>H\u1ed7 tr\u1ee3 nh\u1eadn t\u00edn hi\u1ec7u nh\u1eadp t\u1eeb b\u00e0n ph\u00edm, chu\u1ed9t, t\u1ea1o thanh tr\u01b0\u1ee3t (trackbar).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Module <\/strong><code><strong>objdetect<\/strong><\/code><strong> (Ph\u00e1t hi\u1ec7n \u0111\u1ed1i t\u01b0\u1ee3ng):<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Ch\u1ee9a thu\u1eadt to\u00e1n ph\u00e1t hi\u1ec7n \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3 (khu\u00f4n m\u1eb7t, m\u1eaft, ng\u01b0\u1eddi \u0111i b\u1ed9).<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 Haar Cascades, Histogram of Oriented Gradients (HOG).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Module <\/strong><code><strong>features2d<\/strong><\/code><strong> (\u0110\u1eb7c tr\u01b0ng 2D):<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>T\u1eadp trung ph\u00e1t hi\u1ec7n \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng (keypoints) v\u00e0 t\u1ea1o vector m\u00f4 t\u1ea3 (descriptors).<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n nh\u01b0 SIFT, SURF, ORB cho nh\u1eadn d\u1ea1ng, gh\u00e9p \u1ea3nh.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Module <\/strong><code><strong>dnn<\/strong><\/code><strong> (M\u1ea1ng n\u01a1-ron s\u00e2u):<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Cho ph\u00e9p t\u00edch h\u1ee3p v\u00e0 ch\u1ea1y c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u \u0111\u00e3 hu\u1ea5n luy\u1ec7n (t\u1eeb TensorFlow, Caffe, PyTorch).<\/li>\n<li>D\u00f9ng cho ph\u00e2n lo\u1ea1i \u1ea3nh, ph\u00e1t hi\u1ec7n \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e2ng cao.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Module <\/strong><code><strong>videoio<\/strong><\/code><strong> v\u00e0 <\/strong><code><strong>video<\/strong><\/code><strong> (X\u1eed l\u00fd Video):<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><code>videoio<\/code>: \u0110\u1ecdc\/ghi file video, nh\u1eadn d\u1eef li\u1ec7u t\u1eeb camera.<\/li>\n<li><code>video<\/code>: Ph\u00e2n t\u00edch chuy\u1ec3n \u0111\u1ed9ng, \u01b0\u1edbc l\u01b0\u1ee3ng d\u00f2ng quang h\u1ecdc, theo d\u00f5i \u0111\u1ed1i t\u01b0\u1ee3ng trong video.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>C\u00e1c module kh\u00e1c:<\/strong> Th\u01b0 vi\u1ec7n OpenCV c\u00f2n nhi\u1ec1u module chuy\u00ean bi\u1ec7t kh\u00e1c nh\u01b0 <code>calib3d<\/code> (hi\u1ec7u ch\u1ec9nh camera), <code>stitching<\/code> (gh\u00e9p \u1ea3nh), <code>photo<\/code> (nhi\u1ebfp \u1ea3nh \u0111i\u1ec7n to\u00e1n).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-tinh-nang-mo-dun-OpenCV\"><\/span><strong>C\u00e1c t\u00ednh n\u0103ng m\u00f4 \u0111un OpenCV<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c module c\u1ee7a OpenCV c\u00f9ng nhau cung c\u1ea5p m\u1ed9t b\u1ed9 t\u00ednh n\u0103ng v\u00f4 c\u00f9ng phong ph\u00fa cho l\u0129nh v\u1ef1c th\u1ecb gi\u00e1c m\u00e1y t\u00ednh. Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi h\u01a1n 2500 thu\u1eadt to\u00e1n t\u1ed1i \u01b0u h\u00f3a, cho ph\u00e9p l\u1eadp tr\u00ecnh vi\u00ean x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch v\u00e0 di\u1ec5n gi\u1ea3i th\u00f4ng tin h\u00ecnh \u1ea3nh, video.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xu-ly-va-Bien-doi-AnhVideo\"><\/span><strong>X\u1eed l\u00fd v\u00e0 Bi\u1ebfn \u0111\u1ed5i \u1ea2nh\/Video<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng c\u01a1 b\u1ea3n nh\u1ea5t l\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd v\u00e0 thao t\u00e1c tr\u00ean \u1ea3nh. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c l\u1ecdc nhi\u1ec5u, \u0111i\u1ec1u ch\u1ec9nh m\u00e0u s\u1eafc, \u0111\u1ed9 s\u00e1ng, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n, thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc, xoay \u1ea3nh v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed5i h\u00ecnh h\u1ecdc kh\u00e1c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phat-hien-va-Nhan-dang-doi-tuong\"><\/span><strong>Ph\u00e1t hi\u1ec7n v\u00e0 Nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>OpenCV n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n v\u00e0 nh\u1eadn d\u1ea1ng nhi\u1ec1u lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00e1c t\u00ednh n\u0103ng n\u00e0y cho ph\u00e9p x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed khu\u00f4n m\u1eb7t, m\u1eaft, ng\u01b0\u1eddi \u0111i b\u1ed9, bi\u1ec3n b\u00e1o giao th\u00f4ng ho\u1eb7c c\u00e1c v\u1eadt th\u1ec3 t\u00f9y ch\u1ec9nh trong \u1ea3nh ho\u1eb7c video, \u1ee9ng d\u1ee5ng trong an ninh, robot v\u00e0 xe t\u1ef1 l\u00e1i.<\/p>\n<figure id=\"attachment_26987\" aria-describedby=\"caption-attachment-26987\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-tinh-nang-mo-dun-OpenCV.jpg\" alt=\"C\u00e1c t\u00ednh n\u0103ng m\u00f4 \u0111un OpenCV\" width=\"800\" height=\"500\" class=\"size-full wp-image-26987\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-tinh-nang-mo-dun-OpenCV.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-tinh-nang-mo-dun-OpenCV-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-tinh-nang-mo-dun-OpenCV-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-tinh-nang-mo-dun-OpenCV-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-26987\" class=\"wp-caption-text\">C\u00e1c t\u00ednh n\u0103ng m\u00f4 \u0111un OpenCV<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Theo-doi-chuyen-dong-va-Phan-tich-Video\"><\/span><strong>Theo d\u00f5i chuy\u1ec3n \u0111\u1ed9ng v\u00e0 Ph\u00e2n t\u00edch Video<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u01b0 vi\u1ec7n cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd \u0111\u1ec3 ph\u00e2n t\u00edch n\u1ed9i dung video. Ch\u00fang bao g\u1ed3m vi\u1ec7c theo d\u00f5i s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng qua nhi\u1ec1u khung h\u00ecnh, \u01b0\u1edbc l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed9ng t\u1ed5ng th\u1ec3 (d\u00f2ng quang h\u1ecdc &#8211; optical flow), v\u00e0 ph\u00e2n t\u00e1ch \u0111\u1ed1i t\u01b0\u1ee3ng kh\u1ecfi n\u1ec1n (background subtraction).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tai-tao-3D-va-Hieu-chinh-Camera\"><\/span><strong>T\u00e1i t\u1ea1o 3D v\u00e0 Hi\u1ec7u ch\u1ec9nh Camera<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u01b0 vi\u1ec7n OpenCV h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng li\u00ean quan \u0111\u1ebfn kh\u00f4ng gian ba chi\u1ec1u. N\u00f3 cho ph\u00e9p hi\u1ec7u ch\u1ec9nh th\u00f4ng s\u1ed1 c\u1ee7a camera (camera calibration) \u0111\u1ec3 \u0111o \u0111\u1ea1c ch\u00ednh x\u00e1c h\u01a1n. Ngo\u00e0i ra, th\u01b0 vi\u1ec7n c\u00f2n c\u00f3 th\u1ec3 gi\u00fap t\u00e1i t\u1ea1o l\u1ea1i c\u1ea5u tr\u00fac 3D c\u1ee7a m\u1ed9t c\u1ea3nh t\u1eeb nhi\u1ec1u h\u00ecnh \u1ea3nh 2D.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tich-hop-Hoc-may-va-Hoc-sau\"><\/span><strong>T\u00edch h\u1ee3p H\u1ecdc m\u00e1y v\u00e0 H\u1ecdc s\u00e2u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00ednh n\u0103ng t\u00edch h\u1ee3p h\u1ecdc m\u00e1y (<a href=\"https:\/\/interdata.vn\/blog\/machine-learning-la-gi\/\">Machine Learning<\/a>) v\u00e0 h\u1ecdc s\u00e2u (Deep Learning) l\u00e0 m\u1ed9t th\u1ebf m\u1ea1nh. Module <code>ml<\/code> cung c\u1ea5p thu\u1eadt to\u00e1n c\u1ed5 \u0111i\u1ec3n nh\u01b0 SVM, K-Means. Module <code>dnn<\/code> cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c m\u1ea1ng n\u01a1-ron s\u00e2u hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ch\u00ednh x\u00e1c cho c\u00e1c b\u00e0i to\u00e1n nh\u1eadn d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nhiep-anh-dien-toan\"><\/span><strong>Nhi\u1ebfp \u1ea3nh \u0111i\u1ec7n to\u00e1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c t\u00ednh n\u0103ng v\u1ec1 nhi\u1ebfp \u1ea3nh \u0111i\u1ec7n to\u00e1n (Computational Photography) c\u0169ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p. V\u00ed d\u1ee5 bao g\u1ed3m vi\u1ec7c t\u1ea1o ra h\u00ecnh \u1ea3nh c\u00f3 d\u1ea3i t\u01b0\u01a1ng ph\u1ea3n \u0111\u1ed9ng cao (HDR &#8211; High Dynamic Range), kh\u1eed nhi\u1ec5u ti\u00ean ti\u1ebfn, hay t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1n v\u00e0o c\u00e1c v\u00f9ng b\u1ecb che khu\u1ea5t trong \u1ea3nh (inpainting).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-ngon-ngu-lap-trinh-pho-bien-duoc-su-dung-trong-OpenCV\"><\/span><strong>C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong OpenCV<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>OpenCV cung c\u1ea5p giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng (API &#8211; Application Programming Interface) cho nhi\u1ec1u ng\u00f4n ng\u1eef kh\u00e1c nhau. Tuy nhi\u00ean, ba ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ch\u00ednh th\u1ee9c, m\u1ea1nh m\u1ebd nh\u1ea5t \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi th\u01b0 vi\u1ec7n n\u00e0y l\u00e0 C++, Python v\u00e0 Java.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"-Ngon-ngu-C\"><\/span><strong>\u00a0Ng\u00f4n ng\u1eef C++<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C++ l\u00e0 ng\u00f4n ng\u1eef m\u00e0 ph\u1ea7n l\u1edbn c\u1ed1t l\u00f5i c\u1ee7a OpenCV \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng. S\u1eed d\u1ee5ng C++ th\u01b0\u1eddng mang l\u1ea1i hi\u1ec7u su\u1ea5t th\u1ef1c thi cao nh\u1ea5t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1ecb gi\u00e1c m\u00e1y t\u00ednh \u0111\u00f2i h\u1ecfi t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd th\u1eddi gian th\u1ef1c ho\u1eb7c ch\u1ea1y tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng nh\u00fang.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"-Ngon-ngu-Python\"><\/span><strong>\u00a0Ng\u00f4n ng\u1eef Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Python l\u00e0 l\u1ef1a ch\u1ecdn c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t trong c\u1ed9ng \u0111\u1ed3ng nghi\u00ean c\u1ee9u, khoa h\u1ecdc d\u1eef li\u1ec7u v\u00e0 h\u1ecdc m\u00e1y. Giao di\u1ec7n Python cho OpenCV (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi qua th\u01b0 vi\u1ec7n <code>cv2<\/code>) r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng, cho ph\u00e9p ph\u00e1t tri\u1ec3n v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c thu\u1eadt to\u00e1n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 linh ho\u1ea1t.<\/p>\n<p>Nh\u1edd c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 h\u1ec7 sinh th\u00e1i th\u01b0 vi\u1ec7n phong ph\u00fa, Python gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian vi\u1ebft m\u00e3. \u0110\u00e2y l\u00e0 ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u t\u00ecm hi\u1ec3u OpenCV c\u0169ng nh\u01b0 cho vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c nguy\u00ean m\u1eabu (prototype) nhanh ch\u00f3ng tr\u01b0\u1edbc khi t\u1ed1i \u01b0u h\u00f3a b\u1eb1ng C++.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"-Ngon-ngu-Java\"><\/span><strong>\u00a0Ng\u00f4n ng\u1eef Java<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Java c\u0169ng l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ch\u00ednh th\u1ee9c b\u1edfi OpenCV. N\u00f3 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng Android c\u1ea7n t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng th\u1ecb gi\u00e1c m\u00e1y t\u00ednh. Java c\u0169ng ph\u00f9 h\u1ee3p cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng ph\u00eda <a href=\"https:\/\/interdata.vn\/blog\/may-chu-server-la-gi\/\">m\u00e1y ch\u1ee7<\/a> (server-side) ho\u1eb7c <a href=\"https:\/\/interdata.vn\/blog\/ung-dung-doanh-nghiep-la-gi\/\">\u1ee9ng d\u1ee5ng doanh nghi\u1ec7p<\/a> l\u1edbn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"-Cac-ngon-ngu-khac\"><\/span><strong>\u00a0C\u00e1c ng\u00f4n ng\u1eef kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ngo\u00e0i C++, Python v\u00e0 Java, c\u1ed9ng \u0111\u1ed3ng c\u0169ng \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c &#8220;bindings&#8221; ho\u1eb7c &#8220;wrappers&#8221; cho ph\u00e9p s\u1eed d\u1ee5ng OpenCV v\u1edbi nhi\u1ec1u ng\u00f4n ng\u1eef kh\u00e1c. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 bao g\u1ed3m MATLAB, JavaScript (th\u00f4ng qua OpenCV.js), C#, v\u00e0 Ruby. Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 h\u1ed7 tr\u1ee3 v\u00e0 t\u00ednh \u0111\u1ea7y \u0111\u1ee7 c\u00f3 th\u1ec3 kh\u00f4ng b\u1eb1ng c\u00e1c ng\u00f4n ng\u1eef ch\u00ednh th\u1ee9c.<\/p>\n<p>Ch\u1eafc ch\u1eafn r\u1ed3i, v\u1edbi vai tr\u00f2 VT1 v\u00e0 d\u1ef1a tr\u00ean c\u00e1c th\u00f4ng tin \u0111\u00e3 chu\u1ea9n b\u1ecb (TX1, HV1, TK1), t\u00f4i s\u1ebd t\u1ea1o n\u1ed9i dung cho ph\u1ea7n <strong>## \u1ee8ng d\u1ee5ng ch\u00ednh c\u1ee7a OpenCV<\/strong> theo \u0111\u00fang c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t b\u1ea1n \u0111\u00e3 \u0111\u1ec1 ra.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ung-dung-thuc-te-cua-OpenCV\"><\/span><strong>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a OpenCV<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nh\u1edd b\u1ed9 thu\u1eadt to\u00e1n \u0111a d\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd hi\u1ec7u qu\u1ea3, OpenCV \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong v\u00f4 s\u1ed1 l\u0129nh v\u1ef1c th\u1ef1c t\u1ebf. Th\u01b0 vi\u1ec7n n\u00e0y gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1o ra c\u00e1c gi\u1ea3i ph\u00e1p s\u00e1ng t\u1ea1o b\u1eb1ng c\u00e1ch cho ph\u00e9p m\u00e1y t\u00ednh ph\u00e2n t\u00edch v\u00e0 hi\u1ec3u th\u1ebf gi\u1edbi tr\u1ef1c quan.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-An-ninh-va-Giam-sat\"><\/span><strong>1. An ninh v\u00e0 Gi\u00e1m s\u00e1t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong l\u0129nh v\u1ef1c an ninh, OpenCV l\u00e0 n\u1ec1n t\u1ea3ng cho nhi\u1ec1u h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t th\u00f4ng minh. N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp, nh\u1eadn di\u1ec7n khu\u00f4n m\u1eb7t cho vi\u1ec7c ki\u1ec3m so\u00e1t ra v\u00e0o, theo d\u00f5i c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c ph\u01b0\u01a1ng ti\u1ec7n \u0111\u00e1ng ng\u1edd, v\u00e0 ph\u00e2n t\u00edch h\u00e0nh vi \u0111\u00e1m \u0111\u00f4ng t\u1ea1i n\u01a1i c\u00f4ng c\u1ed9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Robot-va-Tu-dong-hoa\"><\/span><strong>2. Robot v\u00e0 T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Robot s\u1eed d\u1ee5ng OpenCV nh\u01b0 &#8220;\u0111\u00f4i m\u1eaft&#8221; \u0111\u1ec3 nh\u1eadn th\u1ee9c m\u00f4i tr\u01b0\u1eddng xung quanh. C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m vi\u1ec7c gi\u00fap robot t\u1ef1 \u0111\u1ecbnh v\u1ecb v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng (SLAM &#8211; Simultaneous Localization and Mapping), nh\u1eadn d\u1ea1ng v\u1eadt th\u1ec3 \u0111\u1ec3 c\u1ea7m n\u1eafm, v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m tr\u00ean d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng.<\/p>\n<figure id=\"attachment_26988\" aria-describedby=\"caption-attachment-26988\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Ung-dung-thuc-te-cua-OpenCV.png\" alt=\"\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a OpenCV\" width=\"700\" height=\"450\" class=\"size-full wp-image-26988\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Ung-dung-thuc-te-cua-OpenCV.png 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Ung-dung-thuc-te-cua-OpenCV-300x193.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-26988\" class=\"wp-caption-text\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a OpenCV<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"3-Y-te-va-Sinh-hoc\"><\/span><strong>3. Y t\u1ebf v\u00e0 Sinh h\u1ecdc<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ng\u00e0nh y t\u1ebf \u1ee9ng d\u1ee5ng OpenCV \u0111\u1ec3 ph\u00e2n t\u00edch h\u00ecnh \u1ea3nh y khoa, h\u1ed7 tr\u1ee3 ch\u1ea9n \u0111o\u00e1n. V\u00ed d\u1ee5 nh\u01b0 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c d\u1ea5u hi\u1ec7u b\u1ec7nh qua \u1ea3nh X-quang, CT, MRI, ho\u1eb7c t\u1ef1 \u0111\u1ed9ng ph\u00e2n t\u00edch m\u1eabu t\u1ebf b\u00e0o d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi, gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong x\u00e9t nghi\u1ec7m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-O-to-va-Giao-thong-thong-minh\"><\/span><strong>4. \u00d4 t\u00f4 v\u00e0 Giao th\u00f4ng th\u00f4ng minh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>OpenCV \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00f4ng ngh\u1ec7 xe t\u1ef1 l\u00e1i v\u00e0 h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 l\u00e1i xe ti\u00ean ti\u1ebfn (ADAS &#8211; Advanced Driver-Assistance Systems). N\u00f3 gi\u00fap xe &#8220;nh\u00ecn&#8221; v\u00e0 hi\u1ec3u m\u00f4i tr\u01b0\u1eddng, nh\u1eadn di\u1ec7n l\u00e0n \u0111\u01b0\u1eddng, \u0111\u1ecdc bi\u1ec3n b\u00e1o, ph\u00e1t hi\u1ec7n ng\u01b0\u1eddi \u0111i b\u1ed9 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c \u0111\u1ec3 l\u00e1i xe an to\u00e0n h\u01a1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-Thuc-te-tang-cuong-AR\"><\/span><strong>5. Th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng (AR)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f4ng ngh\u1ec7 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng (AR &#8211; Augmented Reality) s\u1eed d\u1ee5ng OpenCV \u0111\u1ec3 hi\u1ec3u kh\u00f4ng gian th\u1ef1c. N\u00f3 gi\u00fap nh\u1eadn di\u1ec7n c\u00e1c m\u1eb7t ph\u1eb3ng, theo d\u00f5i c\u00e1c \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u (marker) ho\u1eb7c v\u1eadt th\u1ec3, t\u1eeb \u0111\u00f3 hi\u1ec3n th\u1ecb th\u00f4ng tin ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng 3D \u1ea3o m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c l\u00ean khung c\u1ea3nh th\u1ef1c t\u1ebf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6-Giai-tri-va-Tuong-tac-Nguoi-May-HCI\"><\/span><strong>6. Gi\u1ea3i tr\u00ed v\u00e0 T\u01b0\u01a1ng t\u00e1c Ng\u01b0\u1eddi-M\u00e1y (HCI)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>OpenCV \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u trong gi\u1ea3i tr\u00ed v\u00e0 t\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi-m\u00e1y (HCI &#8211; Human-Computer Interaction). V\u00ed d\u1ee5 nh\u01b0 t\u1ea1o b\u1ed9 l\u1ecdc (filter) cho camera tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i, ph\u00e1t tri\u1ec3n game t\u01b0\u01a1ng t\u00e1c chuy\u1ec3n \u0111\u1ed9ng, nh\u1eadn d\u1ea1ng c\u1eed ch\u1ec9 tay \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ea1m.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mot-so-luu-y-khi-su-dung-OpenCV-la-gi\"><\/span><strong>M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi s\u1eed d\u1ee5ng OpenCV l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tuy th\u01b0 vi\u1ec7n OpenCV l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u1ef1c k\u1ef3 m\u1ea1nh m\u1ebd v\u00e0 \u0111a n\u0103ng trong l\u0129nh v\u1ef1c th\u1ecb gi\u00e1c m\u00e1y t\u00ednh, ng\u01b0\u1eddi d\u00f9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 ng\u01b0\u1eddi m\u1edbi, c\u1ea7n nh\u1eadn th\u1ee9c m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c ho\u1eb7c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd \u0111\u1ec3 c\u00f3 th\u1ec3 khai th\u00e1c hi\u1ec7u qu\u1ea3 ti\u1ec1m n\u0103ng c\u1ee7a th\u01b0 vi\u1ec7n n\u00e0y.<\/p>\n<ul>\n<li><strong>\u0110\u01b0\u1eddng cong h\u1ecdc t\u1eadp (Learning Curve): <\/strong>OpenCV y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ch\u1ec9 h\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng API c\u1ee7a th\u01b0 vi\u1ec7n m\u00e0 c\u00f2n c\u1ea7n hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng v\u1ec1 th\u1ecb gi\u00e1c m\u00e1y t\u00ednh. Vi\u1ec7c k\u1ebft h\u1ee3p c\u1ea3 hai y\u1ebfu t\u1ed1 n\u00e0y \u0111\u00f2i h\u1ecfi th\u1eddi gian nghi\u00ean c\u1ee9u v\u00e0 th\u1ef1c h\u00e0nh \u0111\u00e1ng k\u1ec3, t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng cong h\u1ecdc t\u1eadp ban \u0111\u1ea7u.<\/li>\n<li><strong>C\u00e0i \u0111\u1eb7t v\u00e0 Qu\u1ea3n l\u00fd Ph\u1ee5 thu\u1ed9c: <\/strong>Qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t OpenCV, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u1ea7n bi\u00ean d\u1ecbch t\u1eeb m\u00e3 ngu\u1ed3n ho\u1eb7c t\u00edch h\u1ee3p c\u00e1c module b\u1ed5 sung (<code>contrib<\/code>), c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p. Vi\u1ec7c qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1c th\u01b0 vi\u1ec7n ph\u1ee5 thu\u1ed9c (dependencies) tr\u00ean c\u00e1c <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh\/\">h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/a> v\u00e0 m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n kh\u00e1c nhau \u0111\u00f4i khi g\u00e2y kh\u00f3 kh\u0103n.<\/li>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a Hi\u1ec7u n\u0103ng: <\/strong>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t cao nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c, vi\u1ec7c t\u1ed1i \u01b0u m\u00e3 ngu\u1ed3n l\u00e0 r\u1ea5t quan tr\u1ecdng. M\u00e3 Python th\u01b0\u1eddng d\u1ec5 vi\u1ebft h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n C++. T\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c ph\u1ea7n c\u1ee9ng (v\u00ed d\u1ee5: GPU qua CUDA) c\u0169ng \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c v\u00e0 c\u1ea5u h\u00ecnh ri\u00eang.<\/li>\n<li><strong>G\u1ee1 l\u1ed7i (Debugging) Ph\u1ee9c t\u1ea1p: <\/strong>Vi\u1ec7c t\u00ecm v\u00e0 s\u1eeda l\u1ed7i trong c\u00e1c chu\u1ed7i x\u1eed l\u00fd th\u1ecb gi\u00e1c m\u00e1y t\u00ednh ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c. K\u1ebft qu\u1ea3 kh\u00f4ng mong mu\u1ed1n c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u b\u01b0\u1edbc trung gian. Hi\u1ec3u r\u00f5 lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 ki\u1ec3m tra t\u1eebng b\u01b0\u1edbc l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>L\u1ef1a ch\u1ecdn Thu\u1eadt to\u00e1n Ph\u00f9 h\u1ee3p: <\/strong>OpenCV cung c\u1ea5p r\u1ea5t nhi\u1ec1u thu\u1eadt to\u00e1n, \u0111\u00f4i khi cho c\u00f9ng m\u1ed9t b\u00e0i to\u00e1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p n\u00e0o (v\u00ed d\u1ee5: thu\u1eadt to\u00e1n ph\u00e1t hi\u1ec7n \u0111\u1eb7c tr\u01b0ng, thu\u1eadt to\u00e1n theo d\u00f5i) t\u1ed1i \u01b0u nh\u1ea5t v\u1ec1 t\u1ed1c \u0111\u1ed9, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu nhi\u1ec5u cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 \u0111\u00f2i h\u1ecfi kinh nghi\u1ec7m v\u00e0 th\u1eed nghi\u1ec7m k\u1ef9 l\u01b0\u1ee1ng.<\/li>\n<li><strong>Theo d\u00f5i T\u00e0i li\u1ec7u v\u00e0 Thay \u0111\u1ed5i API: <\/strong>M\u1eb7c d\u00f9 t\u00e0i li\u1ec7u c\u1ee7a th\u01b0 vi\u1ec7n m\u00e3 ngu\u1ed3n m\u1edf OpenCV kh\u00e1 phong ph\u00fa, vi\u1ec7c t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 r\u1ea5t c\u1ee5 th\u1ec3 ho\u1eb7c hi\u1ec3u s\u00e2u v\u1ec1 <a href=\"https:\/\/interdata.vn\/blog\/tham-so-parameter-la-gi\/\">tham s\u1ed1<\/a> c\u1ee7a m\u1ed9t h\u00e0m \u0111\u00f4i khi t\u1ed1n th\u1eddi gian. Ngo\u00e0i ra, c\u00e1c thay \u0111\u1ed5i v\u1ec1 API gi\u1eefa c\u00e1c phi\u00ean b\u1ea3n l\u1edbn c\u00f3 th\u1ec3 y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i c\u1eadp nh\u1eadt m\u00e3 ngu\u1ed3n hi\u1ec7n c\u00f3.<\/li>\n<\/ul>\n<p>V\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd \u1ea3nh v\u00e0 video v\u01b0\u1ee3t tr\u1ed9i, h\u1ed7 tr\u1ee3 \u0111a d\u1ea1ng <a href=\"https:\/\/interdata.vn\/blog\/ngon-ngu-lap-trinh-la-gi\/\">ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/a> v\u00e0 t\u00edch h\u1ee3p h\u1ecdc s\u00e2u, OpenCV \u0111\u00e3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu cho c\u00e1c k\u1ef9 s\u01b0, nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 l\u1eadp tr\u00ecnh vi\u00ean trong l\u0129nh v\u1ef1c th\u1ecb gi\u00e1c m\u00e1y t\u00ednh.<\/p>\n<p>D\u00f9 c\u00f3 m\u1ed9t v\u00e0i th\u00e1ch th\u1ee9c ban \u0111\u1ea7u v\u1ec1 h\u1ecdc t\u1eadp v\u00e0 c\u00e0i \u0111\u1eb7t, nh\u01b0ng khi \u0111\u00e3 l\u00e0m ch\u1ee7 \u0111\u01b0\u1ee3c OpenCV, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng h\u00e0ng lo\u1ea1t \u1ee9ng d\u1ee5ng th\u00f4ng minh, s\u00e1ng t\u1ea1o v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb cao trong th\u1ef1c ti\u1ec5n. \u0110\u1eebng ng\u1ea7n ng\u1ea1i b\u1eaft \u0111\u1ea7u kh\u00e1m ph\u00e1 th\u01b0 vi\u1ec7n n\u00e0y \u2013 \u0111\u00e2y ch\u00ednh l\u00e0 c\u00e1nh c\u1eeda d\u1eabn b\u1ea1n \u0111\u1ebfn v\u1edbi th\u1ebf gi\u1edbi m\u00e1y t\u00ednh &#8220;bi\u1ebft nh\u00ecn&#8221;.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng OpenCV v\u00e0 c\u1ea7n m\u1ed9t h\u1ea1 t\u1ea7ng m\u1ea1nh m\u1ebd \u0111\u1ec3 x\u1eed l\u00fd \u1ea3nh, video hay tri\u1ec3n khai m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y, InterData mang \u0111\u1ebfn l\u1ef1a ch\u1ecdn <a href=\"https:\/\/interdata.vn\/thue-hosting\/\">Hosting gi\u00e1 r\u1ebb t\u1ed1c \u0111\u1ed9 cao<\/a> v\u1edbi ph\u1ea7n c\u1ee9ng th\u1ebf h\u1ec7 m\u1edbi: <a href=\"https:\/\/interdata.vn\/blog\/cpu-server\/\">CPU<\/a> AMD EPYC\/Intel Xeon Platinum, SSD NVMe U.2, b\u0103ng th\u00f4ng l\u1edbn, \u1ed5n \u0111\u1ecbnh, c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u cho c\u1ea3 d\u1ef1 \u00e1n h\u1ecdc thu\u1eadt l\u1eabn s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 <a href=\"https:\/\/interdata.vn\/thue-vps\/\">thu\u00ea VPS ch\u1ea5t l\u01b0\u1ee3ng gi\u00e1 r\u1ebb<\/a> ho\u1eb7c <a href=\"https:\/\/interdata.vn\/cloud-server\/\">thu\u00ea Cloud Server gi\u00e1 r\u1ebb t\u1ed1c \u0111\u1ed9 cao<\/a> ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u m\u1edf r\u1ed9ng linh ho\u1ea1t, x\u1eed l\u00fd \u0111a nhi\u1ec7m ho\u1eb7c tri\u1ec3n khai h\u1ec7 th\u1ed1ng AI s\u1eed d\u1ee5ng OpenCV. D\u1ecbch v\u1ee5 t\u1ea1i InterData h\u01b0\u1edbng \u0111\u1ebfn s\u1ef1 \u1ed5n \u0111\u1ecbnh, m\u1ea1nh m\u1ebd, d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 chi ph\u00ed h\u1ee3p l\u00fd, gi\u00fap b\u1ea1n t\u1eadp trung ph\u00e1t tri\u1ec3n gi\u1ea3i ph\u00e1p thay v\u00ec lo v\u1ec1 h\u1ea1 t\u1ea7ng.<\/p>\n<p><strong>INTERDATA<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/interdata.vn\/blog\/website-la-gi\/\">Website<\/a>:<\/strong><span>\u00a0<\/span>Interdata.vn<\/li>\n<li><strong>Hotline:<\/strong><span>\u00a0<\/span>1900-636822<\/li>\n<li><strong>Email:<\/strong><span>\u00a0<\/span>Info@interdata.vn<\/li>\n<li><strong>VP\u0110D:<\/strong><span>\u00a0<\/span>240 Nguy\u1ec5n \u0110\u00ecnh Ch\u00ednh, P.11. Q. Ph\u00fa Nhu\u1eadn, TP. Ho\u0302\u0300 Ch\u00ed Minh<\/li>\n<li><strong>VPGD:<\/strong><span>\u00a0<\/span>S\u1ed1 211 \u0110\u01b0\u1eddng s\u1ed1 5, K\u0110T Lakeview City, P. An Ph\u00fa, TP. Th\u1ee7 \u0110\u1ee9c, TP. H\u1ed3 Ch\u00ed Minh<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>OpenCV l\u00e0 th\u01b0 vi\u1ec7n m\u00e3 ngu\u1ed3n m\u1edf m\u1ea1nh m\u1ebd d\u00e0nh cho th\u1ecb gi\u00e1c m\u00e1y t\u00ednh, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 an ninh, y t\u1ebf, robot, \u00f4 t\u00f4 t\u1ef1 l\u00e1i v\u00e0 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 OpenCV l\u00e0 g\u00ec, c\u00e1c module n\u1ed5i b\u1eadt, c\u00e1c<\/p>\n","protected":false},"author":11,"featured_media":26989,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[140],"tags":[],"class_list":["post-26983","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lap-trinh"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=26983"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26983\/revisions"}],"predecessor-version":[{"id":26990,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26983\/revisions\/26990"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/26989"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=26983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=26983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=26983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}