{"id":26562,"date":"2025-04-04T10:18:34","date_gmt":"2025-04-04T03:18:34","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=26562"},"modified":"2025-04-04T10:18:34","modified_gmt":"2025-04-04T03:18:34","slug":"self-attention-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/","title":{"rendered":"Self-Attention l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng &#038; \u1ee8ng d\u1ee5ng trong h\u1ecdc m\u00e1y"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\/self-attention-la-gi\/#Self-Attention-la-gi\" >Self-Attention 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\/self-attention-la-gi\/#Co-che-self-attention-hoat-dong-nhu-the-nao\" >C\u01a1 ch\u1ebf self-attention ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Buoc-1-Ma-hoa-chuoi-dau-vao\" >B\u01b0\u1edbc 1: M\u00e3 h\u00f3a chu\u1ed7i \u0111\u1ea7u v\u00e0o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Buoc-2-Tao-cac-vector-cho-ham-attention\" >B\u01b0\u1edbc 2: T\u1ea1o c\u00e1c vector cho h\u00e0m attention<\/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\/self-attention-la-gi\/#Buoc-3-Tinh-toan-diem-attention\" >B\u01b0\u1edbc 3: T\u00ednh to\u00e1n \u0111i\u1ec3m attention<\/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\/self-attention-la-gi\/#Buoc-4-Bien-doi-diem-attention-thanh-xac-suat\" >B\u01b0\u1edbc 4: Bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec3m attention th\u00e0nh x\u00e1c su\u1ea5t<\/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\/self-attention-la-gi\/#Buoc-5-Tao-tong-co-trong-so-cua-vector-value\" >B\u01b0\u1edbc 5: T\u1ea1o t\u1ed5ng c\u00f3 tr\u1ecdng s\u1ed1 c\u1ee7a vector value<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Loi-ich-cua-Self-Attention-mang-lai\" >L\u1ee3i \u00edch c\u1ee7a Self-Attention mang l\u1ea1i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Phu-thuoc-dai-han\" >Ph\u1ee5 thu\u1ed9c d\u00e0i h\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Hieu-ngu-canh\" >Hi\u1ec3u ng\u1eef c\u1ea3nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Tinh-toan-song-song\" >T\u00ednh to\u00e1n song song<\/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\/self-attention-la-gi\/#Kha-nang-mo-rong-quy-mo\" >Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4<\/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\/self-attention-la-gi\/#Hieu-qua-tinh-toan\" >Hi\u1ec7u qu\u1ea3 t\u00ednh to\u00e1n<\/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\/self-attention-la-gi\/#Kha-nang-hoc-hoi-manh-me\" >Kh\u1ea3 n\u0103ng h\u1ecdc h\u1ecfi m\u1ea1nh m\u1ebd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Tinh-linh-hoat-cao\" >T\u00ednh linh ho\u1ea1t cao<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Cac-linh-vuc-ung-dung-cua-Self-Attention\" >C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a Self-Attention<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/#Trong-xu-ly-ngon-ngu-tu-nhien-NLP\" >Trong x\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean (NLP)<\/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\/self-attention-la-gi\/#Trong-xu-ly-hinh-anh\" >Trong x\u1eed l\u00fd h\u00ecnh \u1ea3nh<\/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\/self-attention-la-gi\/#Trong-xu-ly-am-nhac\" >Trong x\u1eed l\u00fd \u00e2m nh\u1ea1c<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Self-Attention l\u00e0 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i ph\u00eda sau s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a c\u00e1c m\u00f4 h\u00ecnh AI hi\u1ec7n \u0111\u1ea1i nh\u01b0 Transformer. K\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u nh\u1eadn bi\u1ebft m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed c\u00e1ch xa nhau trong chu\u1ed7i d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd th\u00f4ng tin m\u1ed9t c\u00e1ch linh ho\u1ea1t, hi\u1ec7u qu\u1ea3. B\u00e0i vi\u1ebft s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 <a href=\"https:\/\/interdata.vn\/blog\/self-attention-la-gi\/\"><strong>Self-Attention l\u00e0 g\u00ec<\/strong><\/a>, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n trong x\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, h\u00ecnh \u1ea3nh v\u00e0 \u00e2m nh\u1ea1c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Self-Attention-la-gi\"><\/span>Self-Attention l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Self-Attention, hay c\u00f2n g\u1ecdi l\u00e0 c\u01a1 ch\u1ebf T\u1ef1 ch\u00fa \u00fd<\/strong>, l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn cho ph\u00e9p c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y c\u00f3 kh\u1ea3 n\u0103ng <strong>nh\u1eadn bi\u1ebft v\u00e0 h\u1ecdc h\u1ecfi c\u00e1c m\u1ed1i li\u00ean h\u1ec7 ph\u1ee5 thu\u1ed9c t\u1ed3n t\u1ea1i \u1edf kho\u1ea3ng c\u00e1ch xa<\/strong> gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n trong m\u1ed9t chu\u1ed7i d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u00f3 chi\u1ec1u d\u00e0i bi\u1ebfn \u0111\u1ed5i.<\/p>\n<p>\u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t s\u1ef1 n\u00e2ng c\u1ea5p v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u01b0\u1edbc \u0111\u00f3, nh\u01b0 M\u1ea1ng N\u01a1-ron H\u1ed3i quy (Recurrent Neural Networks &#8211; RNN), v\u1ed1n th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3 c\u00e1c m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa nh\u1eefng y\u1ebfu t\u1ed1 c\u00e1ch xa nhau trong d\u1eef li\u1ec7u.<\/p>\n<figure id=\"attachment_26568\" aria-describedby=\"caption-attachment-26568\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Self-Attention-la-gi-1.png\" alt=\"Self-Attention l\u00e0 g\u00ec?\" width=\"800\" height=\"500\" class=\"size-full wp-image-26568\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Self-Attention-la-gi-1.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Self-Attention-la-gi-1-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Self-Attention-la-gi-1-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Self-Attention-la-gi-1-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-26568\" class=\"wp-caption-text\">Self-Attention l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Self-Attention d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng c\u1ee7a c\u01a1 ch\u1ebf &#8220;ch\u00fa \u00fd&#8221; (attention), n\u01a1i m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 t\u1eadp trung v\u00e0o nh\u1eefng ph\u1ea7n th\u00f4ng tin quan tr\u1ecdng nh\u1ea5t c\u1ee7a d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/p>\n<p>C\u1ee5 th\u1ec3, trong m\u1ed9t l\u1edbp Self-Attention, m\u1ed7i th\u00e0nh ph\u1ea7n (y\u1ebfu t\u1ed1) c\u1ee7a \u0111\u1ea7u v\u00e0o s\u1ebd \u0111\u01b0\u1ee3c <strong>\u0111em ra so s\u00e1nh v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c<\/strong> c\u00f9ng chu\u1ed7i nh\u1eb1m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 li\u00ean quan hay t\u1ea7m quan tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a n\u00f3. Quy tr\u00ecnh n\u00e0y gi\u00fap m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c xa v\u00e0 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c k\u1ebft n\u1ed1i v\u1ec1 m\u1eb7t kh\u00f4ng gian ho\u1eb7c th\u1eddi gian \u1ea9n ch\u1ee9a b\u00ean trong d\u1eef li\u1ec7u.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Co-che-self-attention-hoat-dong-nhu-the-nao\"><\/span>C\u01a1 ch\u1ebf self-attention ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Self-attention trong c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u00e0nh vi t\u1eadp trung c\u00f3 ch\u1ecdn l\u1ecdc \u1edf con ng\u01b0\u1eddi \u2013 c\u1ea3 hai \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1eadp trung v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng trong m\u1ed9t b\u1ed1i c\u1ea3nh r\u1ed9ng h\u01a1n \u0111\u1ec3 x\u1eed l\u00fd th\u00f4ng tin hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<p>Trong t\u00e2m l\u00fd h\u1ecdc, \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng t\u1eadp trung v\u00e0o suy ngh\u0129 ho\u1eb7c h\u00e0nh vi c\u1ee7a ch\u00ednh m\u00ecnh; c\u00f2n trong h\u1ecdc s\u00e2u, \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng t\u1eadp trung v\u00e0o nh\u1eefng ph\u1ea7n li\u00ean quan nh\u1ea5t trong chu\u1ed7i d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/p>\n<p>Ki\u1ebfn tr\u00fac Transformer bao g\u1ed3m m\u1ed9t l\u1edbp self-attention, n\u01a1i m\u00e0 to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh attention \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p. C\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y theo nghi\u00ean c\u1ee9u g\u1ed1c c\u1ee7a Ashish Vaswani v\u00e0 c\u1ed9ng s\u1ef1 trong b\u00e0i b\u00e1o \u201cAttention is All You Need\u201d:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-1-Ma-hoa-chuoi-dau-vao\"><\/span>B\u01b0\u1edbc 1: M\u00e3 h\u00f3a chu\u1ed7i \u0111\u1ea7u v\u00e0o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Chu\u1ed7i \u0111\u1ea7u v\u00e0o \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh c\u00e1c vector (embedding) \u2013 t\u1ee9c l\u00e0 d\u1ea1ng bi\u1ec3u di\u1ec5n s\u1ed1 m\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/thuat-toan-algorithm\/\">thu\u1eadt to\u00e1n<\/a> h\u1ecdc m\u00e1y c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n \u0111i\u1ec3m attention v\u00e0 t\u1ea1o ra chu\u1ed7i \u0111\u1ea7u ra.<\/p>\n<p>Trong b\u00e0i to\u00e1n d\u1ecbch m\u00e1y, m\u1ed9t c\u00e2u s\u1ebd l\u00e0 chu\u1ed7i \u0111\u1ea7u v\u00e0o, trong \u0111\u00f3 m\u1ed7i ph\u1ea7n t\u1eed l\u00e0 m\u1ed9t token (t\u1eeb ho\u1eb7c k\u00fd hi\u1ec7u). C\u00e1c token n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh embedding, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 nh\u1eefng \u0111\u01a1n v\u1ecb ng\u1eef ngh\u0129a m\u00e0 m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 x\u1eed l\u00fd. Embedding s\u1ebd \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u00ednh to\u00e1n tr\u1ecdng s\u1ed1 attention, gi\u00fap m\u00f4 h\u00ecnh x\u00e1c \u0111\u1ecbnh ph\u1ea7n n\u00e0o trong d\u1eef li\u1ec7u l\u00e0 quan tr\u1ecdng nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-2-Tao-cac-vector-cho-ham-attention\"><\/span>B\u01b0\u1edbc 2: T\u1ea1o c\u00e1c vector cho h\u00e0m attention<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00f4 h\u00ecnh s\u1eed d\u1ee5ng c\u00e1c embedding \u0111\u1ec3 t\u1ea1o ra ba vector ch\u00ednh cho m\u1ed7i token: <strong>query (Q)<\/strong>, <strong>key (K)<\/strong> v\u00e0 <strong>value (V)<\/strong>. Ba th\u00e0nh ph\u1ea7n n\u00e0y gi\u00fap m\u00f4 h\u00ecnh x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i li\u00ean k\u1ebft ng\u1eef ngh\u0129a ch\u1eb7t ch\u1ebd nh\u1ea5t trong chu\u1ed7i.<\/p>\n<p>Vi\u1ec7c t\u1ea1o c\u00e1c vector Q, K v\u00e0 V \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua nh\u00e2n ma tr\u1eadn \u2013 m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 <strong>bi\u1ebfn \u0111\u1ed5i tuy\u1ebfn t\u00ednh (linear transformation)<\/strong>, trong \u0111\u00f3 embedding \u0111\u1ea7u v\u00e0o \u0111\u01b0\u1ee3c nh\u00e2n v\u1edbi c\u00e1c tr\u1ecdng s\u1ed1 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-3-Tinh-toan-diem-attention\"><\/span>B\u01b0\u1edbc 3: T\u00ednh to\u00e1n \u0111i\u1ec3m attention<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi embedding \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i, m\u00f4 h\u00ecnh t\u00ednh \u0111i\u1ec3m attention cho t\u1eebng ph\u1ea7n t\u1eed trong chu\u1ed7i. \u0110i\u1ec3m attention \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng t\u00edch v\u00f4 h\u01b0\u1edbng (dot product) gi\u1eefa c\u00e1c vector query v\u00e0 key, sau \u0111\u00f3 \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a b\u1eb1ng c\u00e1ch chia cho c\u0103n b\u1eadc hai c\u1ee7a k\u00edch th\u01b0\u1edbc vector key. C\u00e1ch l\u00e0m n\u00e0y gi\u00fap \u1ed5n \u0111\u1ecbnh gradient v\u00e0 tr\u00e1nh c\u00e1c gi\u00e1 tr\u1ecb qu\u00e1 l\u1edbn khi l\u00e0m vi\u1ec7c v\u1edbi vector c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-4-Bien-doi-diem-attention-thanh-xac-suat\"><\/span>B\u01b0\u1edbc 4: Bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec3m attention th\u00e0nh x\u00e1c su\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c \u0111i\u1ec3m attention v\u1eeba t\u00ednh s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a qua h\u00e0m <strong>softmax<\/strong> \u0111\u1ec3 chuy\u1ec3n th\u00e0nh x\u00e1c su\u1ea5t. Qu\u00e1 tr\u00ecnh n\u00e0y g\u1ecdi l\u00e0 <strong>chu\u1ea9n h\u00f3a (normalization)<\/strong>.<\/p>\n<p>Nh\u1edd \u0111\u00f3, ki\u1ebfn tr\u00fac transformer c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a t\u1eebng ph\u1ea7n t\u1eed trong chu\u1ed7i khi t\u1ea1o ra \u0111\u1ea7u ra. C\u00e1c x\u00e1c su\u1ea5t n\u00e0y \u0111\u1ea1i di\u1ec7n cho m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean m\u00e0 m\u00f4 h\u00ecnh n\u00ean d\u00e0nh cho t\u1eebng ph\u1ea7n t\u1eed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-5-Tao-tong-co-trong-so-cua-vector-value\"><\/span>B\u01b0\u1edbc 5: T\u1ea1o t\u1ed5ng c\u00f3 tr\u1ecdng s\u1ed1 c\u1ee7a vector value<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u1ecdng s\u1ed1 attention sau chu\u1ea9n h\u00f3a s\u1ebd \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u00ednh t\u1ed5ng c\u00f3 tr\u1ecdng s\u1ed1 c\u1ee7a c\u00e1c vector value. Tr\u1ecdng s\u1ed1 c\u00e0ng cao, ph\u1ea7n t\u1eed \u0111\u00f3 s\u1ebd c\u00e0ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u h\u01a1n \u0111\u1ebfn \u0111\u1ea7u ra cu\u1ed1i c\u00f9ng c\u1ee7a m\u00f4 h\u00ecnh. N\u00f3i c\u00e1ch kh\u00e1c, \u0111\u1ea7u ra l\u00e0 m\u1ed9t t\u1ed5ng h\u1ee3p t\u1eadp trung, \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh theo m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a t\u1eebng ph\u1ea7n t\u1eed trong chu\u1ed7i \u0111\u1ea7u v\u00e0o.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi-ich-cua-Self-Attention-mang-lai\"><\/span>L\u1ee3i \u00edch c\u1ee7a Self-Attention mang l\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 Self-Attention l\u00e0 g\u00ec, h\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 xem n\u00f3 mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch g\u00ec nh\u00e9! Self-attention (t\u1ef1 ch\u00fa \u00fd) mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng trong h\u1ecdc m\u00e1y v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o nh\u01b0:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phu-thuoc-dai-han\"><\/span>Ph\u1ee5 thu\u1ed9c d\u00e0i h\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Self-attention gi\u00fap m\u00f4 h\u00ecnh nh\u1eadn bi\u1ebft m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed c\u00e1ch xa nhau trong chu\u1ed7i \u0111\u1ea7u v\u00e0o, t\u1eeb \u0111\u00f3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c m\u1eabu ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c m\u1ed1i li\u00ean k\u1ebft c\u00f3 t\u00ednh d\u00e0i h\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hieu-ngu-canh\"><\/span>Hi\u1ec3u ng\u1eef c\u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1eb1ng c\u00e1ch \u201cch\u00fa \u00fd\u201d \u0111\u1ebfn c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a chu\u1ed7i \u0111\u1ea7u v\u00e0o, self-attention gi\u00fap m\u00f4 h\u00ecnh n\u1eafm b\u1eaft ng\u1eef c\u1ea3nh t\u1ed5ng th\u1ec3 v\u00e0 ph\u00e2n b\u1ed5 tr\u1ecdng s\u1ed1 ph\u00f9 h\u1ee3p cho t\u1eebng ph\u1ea7n t\u1eed d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 li\u00ean quan.<\/p>\n<figure id=\"attachment_26569\" aria-describedby=\"caption-attachment-26569\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-cua-Self-Attention-mang-lai.png\" alt=\"L\u1ee3i \u00edch c\u1ee7a Self-Attention mang l\u1ea1i\" width=\"800\" height=\"500\" class=\"size-full wp-image-26569\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-cua-Self-Attention-mang-lai.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-cua-Self-Attention-mang-lai-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-cua-Self-Attention-mang-lai-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-cua-Self-Attention-mang-lai-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-26569\" class=\"wp-caption-text\">L\u1ee3i \u00edch c\u1ee7a Self-Attention mang l\u1ea1i<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Tinh-toan-song-song\"><\/span>T\u00ednh to\u00e1n song song<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Self-attention c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd song song cho t\u1eebng ph\u1ea7n t\u1eed trong chu\u1ed7i, gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t t\u00ednh to\u00e1n v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng khi l\u00e0m vi\u1ec7c v\u1edbi t\u1eadp d\u1eef li\u1ec7u l\u1edbn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kha-nang-mo-rong-quy-mo\"><\/span>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t trong nh\u1eefng \u01b0u th\u1ebf c\u1ed1t l\u00f5i c\u1ee7a Self-Attention ch\u00ednh l\u00e0 <strong>kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t<\/strong>. K\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 v\u1edbi c\u00e1c chu\u1ed7i d\u1eef li\u1ec7u c\u00f3 \u0111\u1ed9 d\u00e0i thay \u0111\u1ed5i v\u00e0 \u0111\u1ed3ng th\u1eddi h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa c\u00e1c y\u1ebfu t\u1ed1 c\u00e1ch xa nhau.<\/p>\n<p>\u0110\u1eb7c \u0111i\u1ec3m n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 Self-Attention c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai trong nhi\u1ec1u l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, x\u1eed l\u00fd h\u00ecnh \u1ea3nh cho \u0111\u1ebfn ph\u00e2n t\u00edch v\u00e0 s\u00e1ng t\u1ea1o \u00e2m nh\u1ea1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hieu-qua-tinh-toan\"><\/span>Hi\u1ec7u qu\u1ea3 t\u00ednh to\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c m\u00f4 h\u00ecnh \u1ee9ng d\u1ee5ng Self-Attention <strong>s\u1edf h\u1eefu hi\u1ec7u qu\u1ea3 t\u00ednh to\u00e1n cao<\/strong>. Do b\u1ea3n ch\u1ea5t c\u1ee7a c\u01a1 ch\u1ebf n\u00e0y, c\u00e1c ph\u00e9p to\u00e1n li\u00ean quan \u0111\u1ebfn Self-Attention c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c thi song song tr\u00ean nhi\u1ec1u \u0111\u01a1n v\u1ecb x\u1eed l\u00fd, v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p t\u00ednh to\u00e1n c\u1ee7a ch\u00fang th\u01b0\u1eddng t\u0103ng tuy\u1ebfn t\u00ednh theo \u0111\u1ed9 d\u00e0i chu\u1ed7i \u0111\u1ea7u v\u00e0o. \u0110i\u1ec1u n\u00e0y gi\u00fap r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kha-nang-hoc-hoi-manh-me\"><\/span>Kh\u1ea3 n\u0103ng h\u1ecdc h\u1ecfi m\u1ea1nh m\u1ebd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00f4 h\u00ecnh Self-Attention c\u00f3 <strong>kh\u1ea3 n\u0103ng t\u1ef1 h\u1ecdc h\u1ecfi r\u1ea5t t\u1ed1t<\/strong>. Nh\u1edd v\u00e0o c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n v\u00e0 c\u01a1 ch\u1ebf Attention t\u1eadp trung v\u00e0o th\u00f4ng tin quan tr\u1ecdng, m\u00f4 h\u00ecnh n\u00e0y c\u00f3 th\u1ec3 h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c bi\u1ec3u di\u1ec5n d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p v\u00e0 m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh x\u00e1c c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c xa.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh t\u1ef1 \u0111\u1ed9ng tr\u00edch xu\u1ea5t nh\u1eefng \u0111\u1eb7c tr\u01b0ng c\u00f3 \u00fd ngh\u0129a t\u1eeb d\u1eef li\u1ec7u v\u00e0 qua \u0111\u00f3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft qu\u1ea3 cho b\u00e0i to\u00e1n \u0111ang gi\u1ea3i quy\u1ebft.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tinh-linh-hoat-cao\"><\/span>T\u00ednh linh ho\u1ea1t cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Self-Attention <strong>th\u1ec3 hi\u1ec7n t\u00ednh linh ho\u1ea1t \u0111\u00e1ng k\u1ec3<\/strong>. V\u1edbi c\u1ea5u tr\u00fac t\u1ed5 ch\u1ee9c \u0111\u1ed3ng nh\u1ea5t v\u00e0 c\u01a1 ch\u1ebf Attention c\u1ed1t l\u00f5i, c\u00e1c m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean Self-Attention c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh, m\u1edf r\u1ed9ng v\u00e0 t\u00f9y bi\u1ebfn \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u b\u00e0i to\u00e1n v\u00e0 \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng.<\/p>\n<p>T\u1eeb x\u1eed l\u00fd ng\u00f4n ng\u1eef, h\u00ecnh \u1ea3nh cho \u0111\u1ebfn \u00e2m nh\u1ea1c, Self-Attention \u0111ang ng\u00e0y c\u00e0ng kh\u1eb3ng \u0111\u1ecbnh ti\u1ec1m n\u0103ng s\u00e1ng t\u1ea1o to l\u1edbn v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng r\u1ed9ng kh\u1eafp c\u1ee7a m\u00ecnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-linh-vuc-ung-dung-cua-Self-Attention\"><\/span>C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a Self-Attention<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Trong-xu-ly-ngon-ngu-tu-nhien-NLP\"><\/span>Trong x\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean (NLP)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u01a1 ch\u1ebf Self-Attention \u0111\u00e3 minh ch\u1ee9ng r\u00f5 r\u00e0ng n\u0103ng l\u1ef1c c\u1ee7a m\u00ecnh trong l\u0129nh v\u1ef1c x\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean. Nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c <strong>h\u1ecdc c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c \u1edf kho\u1ea3ng c\u00e1ch xa<\/strong>, nh\u1eefng m\u00f4 h\u00ecnh t\u00edch h\u1ee3p Self-Attention c\u00f3 th\u1ec3 x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o v\u1edbi \u0111\u1ed9 d\u00e0i kh\u00f4ng c\u1ed1 \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c c\u00e2u ho\u1eb7c to\u00e0n b\u1ed9 v\u0103n b\u1ea3n.<\/p>\n<p>M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt v\u00e0 th\u00e0nh c\u00f4ng nh\u1ea5t c\u1ee7a Self-Attention trong <a href=\"https:\/\/interdata.vn\/blog\/array-la-gi\/\">m\u1ea3ng<\/a> ng\u00f4n ng\u1eef ch\u00ednh l\u00e0 m\u00f4 h\u00ecnh Transformer, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong b\u00e0i to\u00e1n d\u1ecbch m\u00e1y (machine translation).<\/p>\n<p>S\u1ef1 ra \u0111\u1eddi c\u1ee7a Transformer \u0111\u00e3 t\u1ea1o ra b\u01b0\u1edbc nh\u1ea3y v\u1ecdt v\u1ec1 hi\u1ec7u su\u1ea5t d\u1ecbch thu\u1eadt c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng hi\u1ec3u s\u00e2u s\u1eafc c\u00e1c bi\u1ec3u \u0111\u1ea1t ph\u1ee9c t\u1ea1p c\u1ee7a ng\u00f4n ng\u1eef.<\/p>\n<figure id=\"attachment_26571\" aria-describedby=\"caption-attachment-26571\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-linh-vuc-ung-dung-cua-Self-Attention.png\" alt=\"C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a Self-Attention\" width=\"800\" height=\"444\" class=\"size-full wp-image-26571\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-linh-vuc-ung-dung-cua-Self-Attention.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-linh-vuc-ung-dung-cua-Self-Attention-300x167.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-linh-vuc-ung-dung-cua-Self-Attention-768x426.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-linh-vuc-ung-dung-cua-Self-Attention-750x416.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-26571\" class=\"wp-caption-text\">C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a Self-Attention<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Trong-xu-ly-hinh-anh\"><\/span>Trong x\u1eed l\u00fd h\u00ecnh \u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Self-Attention c\u0169ng \u0111\u00e3 t\u00ecm th\u1ea5y nh\u1eefng \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng trong l\u0129nh v\u1ef1c x\u1eed l\u00fd h\u00ecnh \u1ea3nh. C\u1ea5u tr\u00fac Attention \u0110a \u0111\u1ea7u (Multi-Head Attention), m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong m\u00f4 h\u00ecnh Transformer, cho ph\u00e9p m\u00f4 h\u00ecnh <strong>t\u1eadp trung hi\u1ec7u qu\u1ea3 v\u00e0o c\u00e1c v\u00f9ng th\u00f4ng tin then ch\u1ed1t b\u00ean trong m\u1ed9t b\u1ee9c \u1ea3nh<\/strong> v\u00e0 h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c bi\u1ec3u di\u1ec5n h\u00ecnh \u1ea3nh \u0111a d\u1ea1ng, phong ph\u00fa h\u01a1n.<\/p>\n<p>M\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a Self-Attention trong x\u1eed l\u00fd \u1ea3nh l\u00e0 trong vi\u1ec7c t\u1ea1o sinh h\u00ecnh \u1ea3nh (image generation). C\u00e1c m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean Transformer \u0111\u00e3 cho th\u1ea5y nh\u1eefng k\u1ebft qu\u1ea3 h\u1ebft s\u1ee9c \u1ea5n t\u01b0\u1ee3ng, c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra nh\u1eefng h\u00ecnh \u1ea3nh m\u1edbi v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111\u1ed9 \u0111a d\u1ea1ng \u0111\u00e1ng kinh ng\u1ea1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Trong-xu-ly-am-nhac\"><\/span>Trong x\u1eed l\u00fd \u00e2m nh\u1ea1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f4ng ngh\u1ec7 \u00e2m nh\u1ea1c c\u0169ng l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c m\u00e0 Self-Attention \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng th\u00e0nh c\u00f4ng. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 trong x\u1eed l\u00fd \u1ea3nh, c\u01a1 ch\u1ebf Attention \u0110a \u0111\u1ea7u trong c\u00e1c m\u00f4 h\u00ecnh nh\u01b0 Transformer gi\u00fap <strong>m\u00f4 h\u00ecnh h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i li\u00ean h\u1ec7 v\u00e0 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p<\/strong>, k\u1ec3 c\u1ea3 \u1edf kho\u1ea3ng c\u00e1ch xa, trong vi\u1ec7c s\u00e1ng t\u1ea1o \u00e2m nh\u1ea1c.<\/p>\n<p>M\u00f4 h\u00ecnh Transformer \u0111\u00e3 \u0111\u01b0\u1ee3c khai th\u00e1c \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m \u00e2m nh\u1ea1c, t\u1eeb vi\u1ec7c ho\u00e0n thi\u1ec7n nh\u1eefng \u0111o\u1ea1n nh\u1ea1c c\u00f2n dang d\u1edf cho \u0111\u1ebfn vi\u1ec7c s\u00e1ng t\u00e1c ho\u00e0n ch\u1ec9nh c\u00e1c b\u1ea3n nh\u1ea1c mang t\u00ednh ngh\u1ec7 thu\u1eadt.<\/p>\n<p>Nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y kh\u00f4ng ch\u1ec9 mang l\u1ea1i k\u1ebft qu\u1ea3 \u0111\u00e1ng kh\u00edch l\u1ec7 m\u00e0 c\u00f2n m\u1edf ra v\u00f4 v\u00e0n ti\u1ec1m n\u0103ng s\u00e1ng t\u1ea1o m\u1edbi cho ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00e2m nh\u1ea1c.<\/p>\n<p>Self-Attention \u0111\u00e3 v\u00e0 \u0111ang m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi cho tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, t\u1eeb x\u1eed l\u00fd ng\u00f4n ng\u1eef \u0111\u1ebfn h\u00ecnh \u1ea3nh v\u00e0 s\u00e1ng t\u1ea1o \u00e2m nh\u1ea1c. Nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng h\u1ecdc s\u00e2u c\u00e1c m\u1ed1i li\u00ean k\u1ebft d\u00e0i h\u1ea1n, x\u1eed l\u00fd song song v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4 linh ho\u1ea1t, c\u01a1 ch\u1ebf n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a c\u00e1c ki\u1ebfn tr\u00fac hi\u1ec7n \u0111\u1ea1i nh\u01b0 Transformer.<\/p>\n<p>Trong t\u01b0\u01a1ng lai, Self-Attention h\u1ee9a h\u1eb9n s\u1ebd ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd, \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m trong nh\u1eefng b\u01b0\u1edbc ti\u1ebfn \u0111\u1ed9t ph\u00e1 c\u1ee7a c\u00f4ng ngh\u1ec7 AI \u0111a l\u0129nh v\u1ef1c.<\/p>\n<p>Vi\u1ec7c tri\u1ec3n khai c\u00e1c m\u00f4 h\u00ecnh AI s\u1eed d\u1ee5ng Self-Attention \u0111\u00f2i h\u1ecfi h\u1ea1 t\u1ea7ng m\u00e1y ch\u1ee7 m\u1ea1nh m\u1ebd v\u00e0 \u1ed5n \u0111\u1ecbnh. D\u1ecbch v\u1ee5 <a href=\"https:\/\/interdata.vn\/thue-vps\/\">thu\u00ea VPS ch\u1ea5t l\u01b0\u1ee3ng cao gi\u00e1 t\u1ed1t <\/a>t\u1ea1i InterData s\u1eed d\u1ee5ng <a href=\"https:\/\/interdata.vn\/blog\/cpu-amd-epyc\/\">CPU AMD EPYC<\/a> ho\u1eb7c Intel Xeon Platinum, <a href=\"https:\/\/interdata.vn\/blog\/o-cung-ssd-nvme-la-gi\/\">\u1ed5 c\u1ee9ng SSD NVMe<\/a> U.2, c\u00f9ng <a href=\"https:\/\/interdata.vn\/blog\/bang-thong-la-gi\/\">b\u0103ng th\u00f4ng<\/a> cao v\u00e0 c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd t\u00e1c v\u1ee5 AI, h\u1ecdc m\u00e1y ho\u1eb7c v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng web hi\u1ec7u su\u1ea5t cao.<\/p>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n n\u1ec1n t\u1ea3ng linh ho\u1ea1t h\u01a1n \u0111\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4 x\u1eed l\u00fd, InterData cung c\u1ea5p d\u1ecbch v\u1ee5 <a href=\"https:\/\/interdata.vn\/cloud-server\/\">thu\u00ea Cloud Server gi\u00e1 r\u1ebb t\u1ed1c \u0111\u1ed9 cao<\/a> gi\u00fap b\u1ea1n tri\u1ec3n khai c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u tr\u00ean m\u00f4i tr\u01b0\u1eddng <a href=\"https:\/\/interdata.vn\/blog\/ao-hoa-la-gi\/\">\u1ea3o h\u00f3a<\/a> ti\u00ean ti\u1ebfn. M\u00e1y ch\u1ee7 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, d\u1ec5 t\u00f9y ch\u1ec9nh, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u t\u00ednh to\u00e1n l\u1edbn m\u00e0 v\u1eabn t\u1ed1i \u01b0u chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n<p><strong>INTERDATA<\/strong><\/p>\n<ul>\n<li><strong>Website:<\/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>Self-Attention l\u00e0 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i ph\u00eda sau s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a c\u00e1c m\u00f4 h\u00ecnh AI hi\u1ec7n \u0111\u1ea1i nh\u01b0 Transformer. K\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u nh\u1eadn bi\u1ebft m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed c\u00e1ch xa nhau trong chu\u1ed7i d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd th\u00f4ng tin m\u1ed9t c\u00e1ch linh ho\u1ea1t, hi\u1ec7u<\/p>\n","protected":false},"author":11,"featured_media":26570,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-26562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26562","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=26562"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26562\/revisions"}],"predecessor-version":[{"id":26573,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26562\/revisions\/26573"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/26570"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=26562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=26562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=26562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}