{"id":9189,"date":"2022-10-31T09:08:29","date_gmt":"2022-10-31T01:08:29","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/vn\/?p=9189"},"modified":"2022-10-31T09:12:54","modified_gmt":"2022-10-31T01:12:54","slug":"cach-thuc-hien-ocr-tren-pdf","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/vn\/how-to-perform-ocr-on-a-pdf\/","title":{"rendered":"C\u00e1ch th\u1ef1c hi\u1ec7n OCR tr\u00ean PDF"},"content":{"rendered":"<p>OCR, vi\u1ebft t\u1eaft c\u1ee7a \u201cNh\u1eadn d\u1ea1ng k\u00fd t\u1ef1 quang h\u1ecdc\u201d, l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n v\u0103n b\u1ea3n tr\u00ean h\u00ecnh \u1ea3nh v\u00e0 sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda.\u00a0Khi t\u1ea3i PDF \u1edf d\u1ea1ng h\u00ecnh \u1ea3nh l\u00ean VP Online, OCR c\u00f3 th\u1ec3 gi\u00fap ch\u00fang t\u00f4i ph\u00e1t hi\u1ec7n v\u0103n b\u1ea3n tr\u00ean \u0111\u00f3, \u0111\u1ec3 ch\u00fang t\u00f4i c\u00f3 th\u1ec3\u00a0<a href=\"https:\/\/online.visual-paradigm.com\/\">ch\u1ec9nh s\u1eeda n\u1ed9i dung v\u0103n b\u1ea3n tr\u00ean PDF<\/a>\u00a0.\u00a0H\u00e3y c\u00f9ng xem n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15131\" title=\"C\u00e1ch th\u1ef1c hi\u1ec7n OCR tr\u00ean PDF\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/Convert-PDF-to-Page-11.jpg\" alt=\"C\u00e1ch th\u1ef1c hi\u1ec7n OCR tr\u00ean PDF\" width=\"460\" height=\"294\" \/><\/p>\n<h1><span id=\"How_to_perform_OCR_on_a_PDF\">C\u00e1ch th\u1ef1c hi\u1ec7n OCR tr\u00ean PDF<\/span><\/h1>\n<div class=\"epyt-video-wrapper\"><iframe loading=\"lazy\"  id=\"_ytid_50204\"  width=\"854\" height=\"480\"  data-origwidth=\"854\" data-origheight=\"480\" src=\"https:\/\/www.youtube.com\/embed\/uGzXoYsy3Dk?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;modestbranding=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"YouTube player\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><\/div>\n<h2><span id=\"Upload_PDF_to_workspace\">T\u1ea3i t\u1ec7p PDF l\u00ean kh\u00f4ng gian l\u00e0m vi\u1ec7c<\/span><\/h2>\n<p>Sau khi v\u00e0o kh\u00f4ng gian l\u00e0m vi\u1ec7c c\u1ee7a ch\u00fang t\u00f4i, h\u00e3y nh\u1ea5p v\u00e0o\u00a0\u00a0<strong>\u1ee8ng d\u1ee5ng- PDF\u00a0<\/strong>\u00a0tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, sau \u0111\u00f3 nh\u1ea5n n\u00fat\u00a0<b>Nh\u1eadp<\/b>\u00a0.<\/p>\n<p id=\"vKrQaWe\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15150\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/IMport-PDF-to-workspace.jpg\" alt=\"\" width=\"767\" height=\"465\" \/><\/p>\n<p>T\u1ea3i PDF l\u00ean c\u00e1c trang.\u00a0Ch\u00fang t\u00f4i c\u0169ng c\u00f3 th\u1ec3 k\u00e9o v\u00e0 th\u1ea3 t\u00e0i li\u1ec7u v\u00e0o trang tr\u1ef1c ti\u1ebfp.<\/p>\n<p id=\"RyoyuUU\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15156\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/Import-PDF-to-VP-Online.png\" alt=\"\" width=\"626\" height=\"370\" \/><\/p>\n<p>Sau khi t\u1ea3i, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y m\u1ed9t tr\u00ecnh duy\u1ec7t b\u1eadt l\u00ean \u1edf g\u00f3c d\u01b0\u1edbi c\u00f9ng b\u00ean ph\u1ea3i, cho ch\u00fang ta bi\u1ebft r\u1eb1ng c\u00f4ng c\u1ee5 n\u00e0y \u0111ang th\u1ef1c hi\u1ec7n OCR cho PDF.<\/p>\n<p id=\"zsSWtwi\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15159 \" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/img_635264d7c255b.png\" alt=\"\" width=\"358\" height=\"136\" \/><\/p>\n<p>Trong tr\u00ecnh ch\u1ec9nh s\u1eeda, sau \u0111\u00f3 ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng ch\u00fang ta c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0 ch\u1ec9nh s\u1eeda v\u0103n b\u1ea3n tr\u00ean \u0111\u00f3.<br \/>\nV\u0103n b\u1ea3n g\u1ed1c s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf tr\u00ean.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15190\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/Edit-PDF-after-performing-OCR.png\" alt=\"\" width=\"382\" height=\"323\" \/><\/p>\n<p>N\u1ebfu ch\u00fang ta mu\u1ed1n ho\u00e0n t\u00e1c thay \u0111\u1ed5i, ch\u00fang ta c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0o n\u00fat\u00a0<strong>Ho\u00e0n nguy\u00ean Thay \u0111\u1ed5i<\/strong>\u00a0tr\u00ean h\u1ed9p n\u1ed9i dung ban \u0111\u1ea7u.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15191\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/Revert-Change-button-for-PDF.jpg\" alt=\"\" width=\"377\" height=\"326\" \/><\/p>\n<p>Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda ph\u00f4ng ch\u1eef v\u00e0 m\u00e0u s\u1eafc c\u1ee7a v\u0103n b\u1ea3n.\u00a0T\u00f9y ch\u1ec9nh n\u1ed9i dung v\u0103n b\u1ea3n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15207\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/Edit-the-font-style-of-the-text-in-PDF.png\" alt=\"\" width=\"581\" height=\"239\" \/><\/p>\n<p>Khi ho\u00e0n t\u1ea5t, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 xu\u1ea5t n\u00f3 sang m\u1ed9t t\u1ec7p PDF m\u1edbi v\u00e0 chia s\u1ebb n\u00f3 v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c.<\/p>\n<p id=\"siqxbJh\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15209 \" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/img_6352699b2ca4e.png\" alt=\"\" width=\"387\" height=\"267\" \/><\/p>\n<h1><span id=\"More_about_VP_Online_PDF_Tools\">T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 C\u00f4ng c\u1ee5 PDF tr\u1ef1c tuy\u1ebfn VP<\/span><\/h1>\n<p>Chuy\u1ec3n \u0111\u1ed5i PDF sang t\u00e0i li\u1ec7u MS Word<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-word-document\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-word-document\/<\/a><\/p>\n<p>Chuy\u1ec3n PDF sang MS Word tr\u00ean iPhone<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-word-on-iphone\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-word-on-iphone\/<\/a><\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i PDF sang MS Excel<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-excel\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-excel\/<\/a><\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i PDF sang MS Excel tr\u00ean iPhone<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-excel-on-iphone\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-excel-on-iphone\/<\/a><\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i PDF sang MS PowerPoint<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-powerpoint\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-powerpoint\/<\/a><\/p>\n<p>C\u00e1ch chuy\u1ec3n \u0111\u1ed5i PDF sang MS PowerPoint tr\u00ean iPhone<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-powerpoint-on-iphone\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-ms-powerpoint-on-iphone\/<\/a><\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i PDF sang HTML<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-html\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-html\/<\/a><\/p>\n<p>Chuy\u1ec3n \u0111\u1ed5i PDF sang h\u00ecnh \u1ea3nh<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-images\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-convert-pdf-to-images\/<\/a><\/p>\n<p>C\u00e1ch ch\u1ec9nh s\u1eeda PDF tr\u00ean iPhone<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-edit-pdf-on-iphone\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-edit-pdf-on-iphone\/<\/a><\/p>\n<p>C\u00e1ch h\u1ee3p nh\u1ea5t c\u00e1c t\u1ec7p PDF<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-merge-pdfs\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-merge-pdfs\/<\/a><\/p>\n<p>C\u00e1ch th\u1ef1c hi\u1ec7n OCR tr\u00ean PDF<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-perform-ocr-on-a-pdf\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-perform-ocr-on-a-pdf\/<\/a><\/p>\n<p>C\u00e1ch x\u00f3a trang kh\u1ecfi PDF b\u1eb1ng C\u00f4ng c\u1ee5 PDF<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-delete-pages-from-pdf-using-pdf-tools\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-delete-pages-from-pdf-using-pdf-tools\/<\/a><\/p>\n<p>C\u00e1ch chia PDF th\u00e0nh nhi\u1ec1u t\u1ec7p<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-split-a-pdf-into-multiple-files\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-split-a-pdf-into-multiple-files\/<\/a><\/p>\n<p>C\u00e1ch tr\u00edch xu\u1ea5t c\u00e1c trang d\u01b0\u1edbi d\u1ea1ng PDF<br \/>\n<a href=\"https:\/\/blog.visual-paradigm.com\/how-to-extract-pages-form-a-pdf\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.visual-paradigm.com\/how-to-extract-pages-form-a-pdf\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>OCR, vi\u1ebft t\u1eaft c\u1ee7a \u201cNh\u1eadn d\u1ea1ng k\u00fd t\u1ef1 quang h\u1ecdc\u201d, l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n v\u0103n b\u1ea3n tr\u00ean h\u00ecnh \u1ea3nh v\u00e0 sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda.\u00a0Khi t\u1ea3i PDF \u1edf d\u1ea1ng h\u00ecnh \u1ea3nh l\u00ean VP Online, OCR c\u00f3 th\u1ec3 gi\u00fap ch\u00fang t\u00f4i ph\u00e1t hi\u1ec7n v\u0103n b\u1ea3n tr\u00ean [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":9191,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[49],"tags":[],"class_list":["post-9189","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pdf-editing","loop-entry","clr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch th\u1ef1c hi\u1ec7n OCR tr\u00ean PDF - Visual Paradigm Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/vn\/how-to-perform-ocr-on-a-pdf\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch th\u1ef1c hi\u1ec7n OCR tr\u00ean PDF - Visual Paradigm Blog\" \/>\n<meta property=\"og:description\" content=\"OCR, vi\u1ebft t\u1eaft c\u1ee7a \u201cNh\u1eadn d\u1ea1ng k\u00fd t\u1ef1 quang h\u1ecdc\u201d, l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n v\u0103n b\u1ea3n tr\u00ean h\u00ecnh \u1ea3nh v\u00e0 sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda.\u00a0Khi t\u1ea3i PDF \u1edf d\u1ea1ng h\u00ecnh \u1ea3nh l\u00ean VP Online, OCR c\u00f3 th\u1ec3 gi\u00fap ch\u00fang t\u00f4i ph\u00e1t hi\u1ec7n v\u0103n b\u1ea3n tr\u00ean [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.visual-paradigm.com\/vn\/how-to-perform-ocr-on-a-pdf\/\" \/>\n<meta property=\"og:site_name\" content=\"Visual Paradigm Blog\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-31T01:08:29+00:00\" \/>\n<meta property=\"article:modified_time\" 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