{"id":93729,"date":"2025-03-05T09:52:58","date_gmt":"2025-03-05T01:52:58","guid":{"rendered":"https:\/\/solomon-3d.mesvr.tw\/?p=93729"},"modified":"2025-08-12T17:49:09","modified_gmt":"2025-08-12T09:49:09","slug":"ocr-la-gi","status":"publish","type":"post","link":"https:\/\/solomon-3d.mesvr.tw\/vi\/blog-vn\/ocr-la-gi\/","title":{"rendered":"OCR l\u00e0 g\u00ec?"},"content":{"rendered":"
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OCR l\u00e0 g\u00ec?<\/h1><\/div>\n\n\n\n
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Gi\u1edbi thi\u1ec7u v\u1ec1 OCR<\/h2>\n\n\n\n
Nh\u1eadn d\u1ea1ng k\u00fd t\u1ef1 quang h\u1ecdc (Optical Character Recognition – OCR) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1ea1nh m\u1ebd gi\u00fap k\u1ebft n\u1ed1i v\u0103n b\u1ea3n in ho\u1eb7c vi\u1ebft tay v\u1edbi qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng h\u00f3a k\u1ef9 thu\u1eadt s\u1ed1. OCR gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c tr\u00edch xu\u1ea5t, l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u trong nhi\u1ec1u ng\u00e0nh b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n t\u1eeb h\u00ecnh \u1ea3nh v\u00e0 t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c qu\u00e9t th\u00e0nh d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c b\u1eb1ng m\u00e1y.

Ban \u0111\u1ea7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n h\u01a1n 50 n\u0103m tr\u01b0\u1edbc \u0111\u1ec3 nh\u1eadn d\u1ea1ng v\u0103n b\u1ea3n in c\u01a1 b\u1ea3n, OCR \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u00e1ng k\u1ec3 nh\u1edd nh\u1eefng ti\u1ebfn b\u1ed9 trong tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 th\u1ecb gi\u00e1c m\u00e1y t\u00ednh. C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 gi\u1ea3i m\u00e3 ch\u00ednh x\u00e1c nhi\u1ec1u lo\u1ea1i ph\u00f4ng ch\u1eef, ch\u1eef vi\u1ebft tay ki\u1ec3u vi\u1ebft th\u01b0\u1eddng (cursive) v\u00e0 th\u1eadm ch\u00ed c\u1ea3 c\u00e1c k\u00fd hi\u1ec7u ph\u1ee9c t\u1ea1p nh\u01b0 c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc.

Ngo\u00e0i s\u1ed1 h\u00f3a t\u00e0i li\u1ec7u, OCR c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p nh\u01b0 ph\u00e1t hi\u1ec7n l\u1ed7i<\/a>, nh\u1eadn d\u1ea1ng bi\u1ec3n s\u1ed1 xe<\/a>, ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng<\/a> v\u00e0 x\u00e1c minh danh t\u00ednh. Khi k\u1ebft h\u1ee3p OCR v\u1edbi t\u1ef1 \u0111\u1ed9ng h\u00f3a d\u1ef1a tr\u00ean AI, doanh nghi\u1ec7p c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t, c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 gi\u1ea3m c\u00f4ng \u0111o\u1ea1n x\u1eed l\u00fd th\u1ee7 c\u00f4ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn.<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n
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C\u00e1c lo\u1ea1i OCR kh\u00e1c nhau<\/h2>\n\n\n\n
C\u00f4ng ngh\u1ec7 OCR \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c ri\u00eang:<\/div>\n\n\n\n
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OCR \u0111\u01a1n gi\u1ea3n (OCR so kh\u1edbp m\u1eabu)<\/h3>\n\n\n\n

OCR \u0111\u01a1n gi\u1ea3n d\u1ef1a v\u00e0o ph\u01b0\u01a1ng ph\u00e1p so kh\u1edbp m\u1eabu, t\u1ee9c l\u00e0 so s\u00e1nh v\u0103n b\u1ea3n qu\u00e9t v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u1ee9a c\u00e1c m\u1eabu k\u00fd t\u1ef1 v\u00e0 ph\u00f4ng ch\u1eef \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc. M\u1eb7c d\u00f9 c\u00f3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c nh\u1eadn d\u1ea1ng v\u0103n b\u1ea3n in ti\u00eau chu\u1ea9n, nh\u01b0ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y g\u1eb7p kh\u00f3 kh\u0103n khi x\u1eed l\u00fd s\u1ef1 thay \u0111\u1ed5i ph\u00f4ng ch\u1eef, ch\u1eef vi\u1ebft tay ho\u1eb7c b\u1ed1 c\u1ee5c ph\u1ee9c t\u1ea1p.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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ICR (Nh\u1eadn d\u1ea1ng k\u00fd t\u1ef1 th\u00f4ng minh) \u2013 Nh\u1eadn d\u1ea1ng ch\u1eef vi\u1ebft tay<\/h3>\n\n\n\n

ICR l\u00e0 m\u1ed9t d\u1ea1ng OCR n\u00e2ng cao, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 nh\u1eadn d\u1ea1ng k\u00fd t\u1ef1 vi\u1ebft tay. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi ch\u1eef vi\u1ebft c\u00f3 c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c k\u00fd t\u1ef1 \u0111\u01b0\u1ee3c vi\u1ebft ngay ng\u1eafn trong c\u00e1c bi\u1ec3u m\u1eabu ho\u1eb7c t\u00e0i li\u1ec7u c\u00f3 d\u00f2ng k\u1ebb. Tuy nhi\u00ean, ICR g\u1eb7p th\u00e1ch th\u1ee9c khi x\u1eed l\u00fd ch\u1eef vi\u1ebft tay ki\u1ec3u vi\u1ebft th\u01b0\u1eddng (cursive) ho\u1eb7c phong c\u00e1ch vi\u1ebft kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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IWR (Nh\u1eadn d\u1ea1ng t\u1eeb th\u00f4ng minh) \u2013 Nh\u1eadn d\u1ea1ng to\u00e0n b\u1ed9 t\u1eeb<\/h3>\n\n\n\n

IWR kh\u00e1c v\u1edbi ICR \u1edf ch\u1ed7 n\u00f3 nh\u1eadn d\u1ea1ng c\u1ea3 t\u1eeb ho\u1eb7c c\u1ee5m t\u1eeb vi\u1ebft tay thay v\u00ec t\u1eebng k\u00fd t\u1ef1 ri\u00eang l\u1ebb. Trong khi ICR ph\u00e2n t\u00edch h\u00ecnh d\u1ea1ng ch\u1eef c\u00e1i, IWR nh\u1eadn di\u1ec7n to\u00e0n b\u1ed9 t\u1eeb d\u1ef1a tr\u00ean h\u00ecnh d\u1ea1ng t\u1ed5ng th\u1ec3 v\u00e0 ng\u1eef c\u1ea3nh. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 v\u1edbi ch\u1eef vi\u1ebft tay ki\u1ec3u vi\u1ebft th\u01b0\u1eddng v\u00e0 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u1edd s\u1eed d\u1ee5ng t\u1eeb \u0111i\u1ec3n v\u00e0 m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef \u0111\u1ec3 ph\u00e2n t\u00edch t\u1eeb v\u00e0 s\u1eeda l\u1ed7i.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n

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OCR ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n
C\u00f4ng ngh\u1ec7 OCR ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch m\u1eabu s\u00e1ng v\u00e0 t\u1ed1i trong h\u00ecnh \u1ea3nh ho\u1eb7c t\u00e0i li\u1ec7u \u0111\u1ec3 nh\u1eadn d\u1ea1ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i c\u00e1c k\u00fd t\u1ef1 th\u00e0nh v\u0103n b\u1ea3n c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c b\u1eb1ng m\u00e1y. Qu\u00e1 tr\u00ecnh n\u00e0y g\u1ed3m ba giai \u0111o\u1ea1n ch\u00ednh:<\/div>\n<\/div>\n\n\n\n
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Giai \u0111o\u1ea1n 1: Ti\u1ec1n x\u1eed l\u00fd (Nh\u1eadp h\u00ecnh \u1ea3nh)<\/h3>\n\n\n\n
Tr\u01b0\u1edbc khi nh\u1eadn d\u1ea1ng v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh ho\u1eb7c t\u00e0i li\u1ec7u qu\u00e9t c\u1ea7n tr\u1ea3i qua b\u01b0\u1edbc ti\u1ec1n x\u1eed l\u00fd \u0111\u1ec3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a nh\u1eadn d\u1ea1ng. C\u00e1c b\u01b0\u1edbc bao g\u1ed3m:

Lo\u1ea1i b\u1ecf nhi\u1ec5u:<\/strong> X\u00f3a c\u00e1c v\u1ebft b\u1ea9n, nhi\u1ec5u ho\u1eb7c bi\u1ebfn d\u1ea1ng c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh nh\u1eadn d\u1ea1ng.

Nh\u1ecb ph\u00e2n h\u00f3a (Binarization):<\/strong> Chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh sang \u0111\u1ecbnh d\u1ea1ng \u0111en tr\u1eafng \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh nh\u1eadn di\u1ec7n k\u00fd t\u1ef1.

C\u0103n ch\u1ec9nh (Deskewing):<\/strong> \u0110i\u1ec1u ch\u1ec9nh v\u0103n b\u1ea3n b\u1ecb nghi\u00eang ho\u1eb7c l\u1ec7ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u1eb3ng h\u00e0ng ch\u00ednh x\u00e1c.

L\u00e0m m\u1ecfng n\u00e9t ch\u1eef (Thinning\/Skeletonization):<\/strong> Gi\u1ea3m \u0111\u1ed9 d\u00e0y c\u1ee7a k\u00fd t\u1ef1 \u0111\u1ec3 t\u1ea1o h\u00ecnh d\u1ea1ng r\u00f5 r\u00e0ng v\u00e0 \u0111\u1ed3ng nh\u1ea5t.

M\u1ed9t h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb t\u1ed1t s\u1ebd gi\u00fap t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c khi nh\u1eadn d\u1ea1ng v\u0103n b\u1ea3n.<\/div>\n<\/div>\n\n\n\n
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Giai \u0111o\u1ea1n 2: X\u1eed l\u00fd (Nh\u1eadn d\u1ea1ng v\u0103n b\u1ea3n)<\/h3>\n\n\n\n
C\u00f4ng c\u1ee5 OCR tr\u00edch xu\u1ea5t v\u00e0 gi\u1ea3i m\u00e3 v\u0103n b\u1ea3n b\u1eb1ng hai k\u1ef9 thu\u1eadt ch\u00ednh:

Tr\u00edch xu\u1ea5t \u0111\u1eb7c tr\u01b0ng (Feature Extraction):<\/strong> Thu\u1eadt to\u00e1n chia k\u00fd t\u1ef1 th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ecf h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1eddng n\u00e9t, \u0111\u01b0\u1eddng cong v\u00e0 giao \u0111i\u1ec3m, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu \u0111\u1ed9c nh\u1ea5t.

So kh\u1edbp m\u1eabu (Pattern Matching \u2013 Template-Based Recognition):<\/strong> C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1eabu k\u00fd t\u1ef1 \u0111\u1ec3 t\u00ecm ra k\u1ebft qu\u1ea3 ph\u00f9 h\u1ee3p nh\u1ea5t.

C\u00e1c h\u1ec7 th\u1ed1ng OCR hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u1ea3 h\u1ecdc m\u00e1y (machine learning) v\u00e0 m\u1ea1ng n\u01a1-ron nh\u00e2n t\u1ea1o \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi ph\u00f4ng ch\u1eef ph\u1ee9c t\u1ea1p, ch\u1eef vi\u1ebft tay ho\u1eb7c v\u0103n b\u1ea3n b\u1ecb bi\u1ebfn d\u1ea1ng.<\/div>\n<\/div>\n\n\n\n
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Giai \u0111o\u1ea1n 3: H\u1eadu x\u1eed l\u00fd (Xu\u1ea5t d\u1eef li\u1ec7u v\u00e0 s\u1eeda l\u1ed7i)<\/h3>\n\n\n\n
Sau khi nh\u1eadn d\u1ea1ng, h\u1ec7 th\u1ed1ng OCR tinh ch\u1ec9nh k\u1ebft qu\u1ea3 b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p sau:

Ki\u1ec3m tra ch\u00ednh t\u1ea3 & ph\u00e2n t\u00edch ng\u1eef c\u1ea3nh: <\/strong>S\u1eed d\u1ee5ng m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef \u0111\u1ec3 s\u1eeda l\u1ed7i nh\u1eadn d\u1ea1ng.

Ph\u00e2n \u0111o\u1ea1n k\u00fd t\u1ef1:<\/strong> \u0110i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch gi\u1eefa t\u1eeb v\u00e0 ch\u1eef c\u00e1i \u0111\u1ec3 \u0111\u1ecbnh d\u1ea1ng v\u0103n b\u1ea3n ch\u00ednh x\u00e1c.

\u0110\u1ecbnh d\u1ea1ng \u0111\u1ea7u ra:<\/strong> Chuy\u1ec3n v\u0103n b\u1ea3n nh\u1eadn d\u1ea1ng th\u00e0nh c\u00e1c \u0111\u1ecbnh d\u1ea1ng c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm, ch\u1ec9nh s\u1eeda v\u00e0 l\u01b0u tr\u1eef (v\u00ed d\u1ee5: v\u0103n b\u1ea3n thu\u1ea7n t\u00fay, PDF ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u).

Giai \u0111o\u1ea1n cu\u1ed1i c\u00f9ng n\u00e0y \u0111\u1ea3m b\u1ea3o v\u0103n b\u1ea3n c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u1ea5t tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ho\u1eb7c x\u1eed l\u00fd ti\u1ebfp theo.<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n
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\u1ee8ng d\u1ee5ng c\u1ee7a OCR<\/h2>\n\n\n\n
C\u00f4ng ngh\u1ec7 OCR c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 quan tr\u1ecdng:<\/div>\n\n\n\n

S\u1ed1 h\u00f3a t\u00e0i li\u1ec7u<\/h3>\n\n\n\n
OCR \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c t\u00e0i li\u1ec7u gi\u1ea5y nh\u01b0 s\u00e1ch, t\u1ea1p ch\u00ed v\u00e0 b\u00e1o th\u00e0nh \u0111\u1ecbnh d\u1ea1ng c\u00f3 th\u1ec3 \u0111\u1ecdc b\u1eb1ng m\u00e1y. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p t\u1ea1o c\u00e1c t\u00e0i li\u1ec7u s\u1ed1 c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm v\u00e0 ch\u1ec9nh s\u1eeda, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ec7p Word ho\u1eb7c PDF c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm.<\/div>\n\n\n\n

T\u1ef1 \u0111\u1ed9ng h\u00f3a nh\u1eadp d\u1eef li\u1ec7u<\/h3>\n\n\n\n
OCR t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 nh\u1eadp d\u1eef li\u1ec7u nh\u01b0 x\u1eed l\u00fd h\u00f3a \u0111\u01a1n, s\u1ed1 h\u00f3a bi\u1ec3u m\u1eabu v\u00e0 nh\u1eadn di\u1ec7n th\u1ebb ID. C\u00e1c h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng OCR<\/a> tr\u00edch xu\u1ea5t v\u0103n b\u1ea3n t\u1eeb t\u00e0i li\u1ec7u qu\u00e9t v\u00e0 nh\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u, gi\u00fap lo\u1ea1i b\u1ecf vi\u1ec7c nh\u1eadp th\u1ee7 c\u00f4ng v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi.<\/div>\n\n\n\n

Nh\u1eadn di\u1ec7n v\u0103n b\u1ea3n t\u1eeb h\u00ecnh \u1ea3nh v\u00e0 video<\/h3>\n\n\n\n
OCR \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00edch xu\u1ea5t v\u0103n b\u1ea3n t\u1eeb h\u00ecnh \u1ea3nh v\u00e0 video trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 nh\u1eadn di\u1ec7n s\u1ed1 s\u00ea-ri \u0111\u1ed9ng c\u01a1<\/a>, theo d\u00f5i container v\u1eadn chuy\u1ec3n<\/a>, \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o <\/a>v\u00e0 x\u00e1c minh t\u00e0i li\u1ec7u trong c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t.<\/div>\n\n\n\n

H\u1ed7 tr\u1ee3 ng\u01b0\u1eddi khi\u1ebfm th\u1ecb<\/h3>\n\n\n\n
OCR c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn b\u1eb1ng c\u00e1ch tr\u00edch xu\u1ea5t v\u0103n b\u1ea3n t\u1eeb t\u00e0i li\u1ec7u in, sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh ch\u1eef n\u1ed5i Braille ho\u1eb7c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng chuy\u1ec3n v\u0103n b\u1ea3n th\u00e0nh gi\u1ecdng n\u00f3i. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi khi\u1ebfm th\u1ecb d\u1ec5 d\u00e0ng \u0111\u1ecdc s\u00e1ch, t\u00e0i li\u1ec7u v\u00e0 nh\u00e3n s\u1ea3n ph\u1ea9m.<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n
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\u1ee8ng d\u1ee5ng OCR trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/h2>\n\n\n\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch c\u00f4ng ngh\u1ec7 OCR \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p quan tr\u1ecdng:<\/div>\n\n\n\n
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\"\u1ea2nh<\/a><\/div>\n\n\n\n

S\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n

Trong th\u1eddi \u0111\u1ea1i C\u00f4ng nghi\u1ec7p 4.0, s\u1ea3n xu\u1ea5t th\u00f4ng minh ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o s\u1ed1 h\u00f3a d\u1eef li\u1ec7u v\u00e0 quy tr\u00ecnh l\u00e0m vi\u1ec7c \u0111i\u1ec7n t\u1eed. OCR gi\u00fap theo d\u00f5i s\u1ea3n xu\u1ea5t theo th\u1eddi gian th\u1ef1c, t\u1ea1o c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1eadp trung chi ti\u1ebft gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t, kh\u1ea3 n\u0103ng truy xu\u1ea5t v\u00e0 ra quy\u1ebft \u0111\u1ecbnh. B\u1eb1ng c\u00e1ch s\u1ed1 h\u00f3a d\u1eef li\u1ec7u t\u1ea1i x\u01b0\u1edfng\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ed1 b\u1ed9 ph\u1eadn, l\u1ec7nh s\u1ea3n xu\u1ea5t v\u00e0 nh\u1eadt k\u00fd vi\u1ebft tay\u2014c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh v\u1eadn h\u00e0nh v\u00e0 n\u00e2ng cao n\u0103ng su\u1ea5t t\u1ed5ng th\u1ec3.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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\"\u1ea2nh<\/a><\/div>\n\n\n\n

Th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng<\/h3>\n\n\n\n

C\u00f4ng ngh\u1ec7 OCR ng\u00e0y c\u00e0ng quan tr\u1ecdng trong ng\u00e0nh th\u1ef1c ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u00e1n nh\u00e3n ch\u00ednh x\u00e1c v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh. N\u00f3 gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i tr\u00ean nh\u00e3n s\u1ea3n ph\u1ea9m, ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u00e0y h\u1ebft h\u1ea1n v\u00e0 danh s\u00e1ch th\u00e0nh ph\u1ea7n, ng\u0103n ch\u1eb7n vi\u1ec7c ph\u00e2n ph\u1ed1i s\u1ea3n ph\u1ea9m b\u1ecb d\u00e1n nh\u00e3n sai v\u00e0 gi\u1ea3m nguy c\u01a1 b\u1ecb ph\u1ea1t. B\u1eb1ng c\u00e1ch c\u1ea3i thi\u1ec7n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, OCR gi\u00fap \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 an to\u00e0n cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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\"D\u00e2y<\/a><\/div>\n\n\n\n

D\u01b0\u1ee3c ph\u1ea9m v\u00e0 y t\u1ebf<\/h3>\n\n\n\n

Trong ng\u00e0nh y t\u1ebf, OCR gi\u00fap chuy\u1ec3n \u0111\u1ed5i nhanh ch\u00f3ng h\u1ed3 s\u01a1 gi\u1ea5y th\u00e0nh t\u00e0i li\u1ec7u s\u1ed1, gi\u1ea3m nh\u1eadp d\u1eef li\u1ec7u th\u1ee7 c\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong h\u1ed3 s\u01a1 b\u1ec7nh nh\u00e2n. OCR c\u0169ng qu\u00e9t nh\u00e3n thu\u1ed1c v\u00e0 bao b\u00ec, ngay l\u1eadp t\u1ee9c kh\u1edbp th\u00f4ng tin thu\u1ed1c v\u1edbi h\u1ed3 s\u01a1 b\u1ec7nh nh\u00e2n trong h\u1ec7 th\u1ed1ng, \u0111\u1ea3m b\u1ea3o k\u00ea \u0111\u01a1n v\u00e0 \u0111i\u1ec1u tr\u1ecb ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong m\u00f4i tr\u01b0\u1eddng y t\u1ebf, n\u01a1i truy c\u1eadp d\u1eef li\u1ec7u k\u1ecbp th\u1eddi l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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\"\u1ea2nh<\/a><\/div>\n\n\n\n

Logistics<\/h3>\n\n\n\n

OCR \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong logistics b\u1eb1ng c\u00e1ch n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u1ed1c \u0111\u1ed9 theo d\u00f5i h\u00e0ng h\u00f3a. \u0110\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng nh\u01b0 b\u0103ng chuy\u1ec1n, c\u00e1nh tay robot v\u00e0 drone, OCR cho ph\u00e9p theo d\u00f5i h\u00e0ng h\u00f3a theo th\u1eddi gian th\u1ef1c, \u0111\u1ea3m b\u1ea3o giao h\u00e0ng \u0111\u00fang h\u1ea1n v\u00e0 gi\u1ea3m thi\u1ec3u sai s\u00f3t. Ngo\u00e0i ra, OCR h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho theo th\u1eddi gian th\u1ef1c<\/a>, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n ph\u1ed1i v\u00e0 hi\u1ec7u qu\u1ea3 chung c\u1ee7a kho h\u00e0ng.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n

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L\u1ee3i \u00edch ch\u00ednh c\u1ee7a c\u00f4ng ngh\u1ec7 OCR<\/h2>\n\n\n\n
C\u00f4ng ngh\u1ec7 OCR mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c. Khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi AI v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a, nh\u1eefng l\u1ee3i \u00edch n\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a OCR trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p:<\/div>\n\n\n\n

Ti\u1ebft ki\u1ec7m th\u1eddi gian<\/h3>\n\n\n\n
OCR t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 t\u1ed1n nhi\u1ec1u th\u1eddi gian nh\u01b0 nh\u1eadp d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd t\u00e0i li\u1ec7u, gi\u00fap \u0111\u1ea9y nhanh quy tr\u00ecnh l\u00e0m vi\u1ec7c v\u00e0 cho ph\u00e9p nh\u00e2n vi\u00ean t\u1eadp trung v\u00e0o c\u00e1c nhi\u1ec7m v\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb cao h\u01a1n. Vi\u1ec7c gi\u1ea3m thi\u1ec3u thao t\u00e1c th\u1ee7 c\u00f4ng gi\u00fap \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh v\u00e0 t\u0103ng n\u0103ng su\u1ea5t t\u1ed5ng th\u1ec3. Khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi AI, OCR c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 theo th\u1eddi gian th\u1ef1c nh\u01b0 ph\u00e1t hi\u1ec7n l\u1ed7i, theo d\u00f5i h\u00e0ng t\u1ed3n kho v\u00e0 x\u00e1c minh t\u00e0i li\u1ec7u, gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 h\u01a1n n\u1eefa.<\/div>\n\n\n\n

Gi\u1ea3m chi ph\u00ed<\/h3>\n\n\n\n
T\u1ef1 \u0111\u1ed9ng h\u00f3a tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u b\u1eb1ng OCR gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed nh\u00e2n c\u00f4ng. Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u00e0i li\u1ec7u gi\u1ea5y sang \u0111\u1ecbnh d\u1ea1ng s\u1ed1 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t t\u00e0i li\u1ec7u. Khi k\u1ebft h\u1ee3p v\u1edbi t\u1ef1 \u0111\u1ed9ng h\u00f3a, OCR t\u1ed1i \u01b0u h\u00f3a c\u00e1c quy tr\u00ecnh nh\u01b0 ki\u1ec3m tra s\u1ea3n ph\u1ea9m theo th\u1eddi gian th\u1ef1c v\u00e0 x\u00e1c minh nh\u00e3n m\u00e1c, gi\u1ea3m nhu c\u1ea7u gi\u00e1m s\u00e1t th\u1ee7 c\u00f4ng v\u00e0 s\u1eeda l\u1ed7i, mang l\u1ea1i kho\u1ea3n ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3.<\/div>\n\n\n\n

N\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c<\/strong><\/h3>\n\n\n\n
C\u00f4ng ngh\u1ec7 OCR cung c\u1ea5p kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n v\u0103n b\u1ea3n ch\u00ednh x\u00e1c v\u1edbi t\u1ef7 l\u1ec7 l\u1ed7i th\u1ea5p h\u01a1n so v\u1edbi nh\u1eadp d\u1eef li\u1ec7u th\u1ee7 c\u00f4ng. \u0110\u1ed9 ch\u00ednh x\u00e1c cao gi\u00fap d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady h\u01a1n cho vi\u1ec7c ph\u00e2n t\u00edch, b\u00e1o c\u00e1o v\u00e0 ra quy\u1ebft \u0111\u1ecbnh. Khi t\u00edch h\u1ee3p AI, OCR c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n c\u00e1c m\u1eabu v\u0103n b\u1ea3n ph\u1ee9c t\u1ea1p nh\u01b0 ch\u1eef vi\u1ebft tay ho\u1eb7c h\u00ecnh \u1ea3nh b\u1ecb nghi\u00eang, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao trong c\u00e1c l\u0129nh v\u1ef1c y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c nghi\u00eam ng\u1eb7t nh\u01b0 y t\u1ebf v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/div>\n\n\n\n

C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy c\u1eadp v\u00e0 c\u1ed9ng t\u00e1c<\/h3>\n\n\n\n
OCR gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy c\u1eadp d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i t\u00e0i li\u1ec7u v\u1eadt l\u00fd th\u00e0nh \u0111\u1ecbnh d\u1ea1ng k\u1ef9 thu\u1eadt s\u1ed1, gi\u00fap d\u1ec5 d\u00e0ng l\u01b0u tr\u1eef, chia s\u1ebb v\u00e0 truy xu\u1ea5t gi\u1eefa c\u00e1c nh\u00f3m ho\u1eb7c b\u1ed9 ph\u1eadn, th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ee3p t\u00e1c t\u1ed1t h\u01a1n. Khi k\u1ebft h\u1ee3p v\u1edbi AI, c\u00e1c t\u00e0i li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng l\u1eadp ch\u1ec9 m\u1ee5c v\u00e0 ph\u00e2n lo\u1ea1i, gi\u00fap truy xu\u1ea5t th\u00f4ng tin t\u1eeb c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn nhanh h\u01a1n. Ngo\u00e0i ra, OCR c\u00f2n gi\u00fap \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh b\u1eb1ng c\u00e1ch t\u1ea1o h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm, l\u01b0u tr\u1eef d\u1ec5 d\u00e0ng v\u00e0 truy c\u1eadp t\u1eeb xa theo th\u1eddi gian th\u1ef1c.<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n
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T\u1ed5ng k\u1ebft v\u1ec1 OCR<\/h2>\n\n\n\n
C\u00f4ng ngh\u1ec7 OCR \u0111\u00e3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 c\u00e1ch ch\u00fang ta x\u1eed l\u00fd v\u0103n b\u1ea3n, chuy\u1ec3n \u0111\u1ed5i n\u1ed9i dung in \u1ea5n v\u00e0 vi\u1ebft tay th\u00e0nh d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda v\u00e0 t\u00ecm ki\u1ebfm. Khi k\u1ebft h\u1ee3p v\u1edbi AI, OCR mang \u0111\u1ebfn c\u00e1c kh\u1ea3 n\u0103ng ti\u00ean ti\u1ebfn nh\u01b0 ph\u00e2n t\u00edch theo th\u1eddi gian th\u1ef1c, ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a trong c\u00e1c ng\u00e0nh nh\u01b0 s\u1ea3n xu\u1ea5t, logistics v\u00e0 y t\u1ebf. M\u1eb7c d\u00f9 v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c nh\u01b0 nh\u1eadn di\u1ec7n ch\u1eef vi\u1ebft tay v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh, nh\u01b0ng s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa AI v\u00e0 OCR \u0111ang c\u1ea3i thi\u1ec7n quy tr\u00ecnh l\u00e0m vi\u1ec7c, t\u0103ng n\u0103ng su\u1ea5t v\u00e0 n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c. Khi OCR d\u1ef1a tr\u00ean AI<\/a> ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, n\u00f3 s\u1ebd \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n
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S\u1eb5n s\u00e0ng kh\u00e1m ph\u00e1 OCR trong th\u1ef1c t\u1ebf? H\u00e3y xem c\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh c\u1ee7a ch\u00fang t\u00f4i<\/span><\/span><\/span><\/a><\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n
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\"S\u01a1<\/a><\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n
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FAQ v\u1ec1 OCR<\/h2>\n\n\n\n

C\u00f4ng ngh\u1ec7 OCR c\u00f3 ch\u00ednh x\u00e1c kh\u00f4ng?<\/h3>\n\n\n\n
OCR c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u00edt l\u1ed7i h\u01a1n so v\u1edbi nh\u1eadp d\u1eef li\u1ec7u th\u1ee7 c\u00f4ng. Tuy nhi\u00ean, v\u1eabn c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c v\u1edbi \u0111\u1ecbnh d\u1ea1ng ph\u1ee9c t\u1ea1p, ch\u1eef vi\u1ebft tay ho\u1eb7c t\u00e0i li\u1ec7u b\u1ecb h\u01b0 h\u1ecfng. Vi\u1ec7c t\u00edch h\u1ee3p AI gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1eb7c bi\u1ec7t trong nh\u1eadn di\u1ec7n ch\u1eef vi\u1ebft tay.<\/div>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa OCR v\u00e0 OMR l\u00e0 g\u00ec?<\/h3>\n\n\n\n
OCR tr\u00edch xu\u1ea5t v\u0103n b\u1ea3n t\u1eeb h\u00ecnh \u1ea3nh v\u00e0 t\u00e0i li\u1ec7u \u0111\u00e3 qu\u00e9t, trong khi OMR (Nh\u1eadn di\u1ec7n \u0111\u00e1nh d\u1ea5u quang h\u1ecdc) nh\u1eadn d\u1ea1ng c\u00e1c d\u1ea5u hi\u1ec7u nh\u01b0 \u00f4 ch\u1ecdn ho\u1eb7c c\u00e2u tr\u1ea3 l\u1eddi tr\u1eafc nghi\u1ec7m.<\/div>\n\n\n\n

OCR c\u00f3 nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c ch\u1eef vi\u1ebft tay kh\u00f4ng?<\/h3>\n\n\n\n
OCR ng\u00e0y c\u00e0ng c\u1ea3i thi\u1ec7n trong vi\u1ec7c nh\u1eadn di\u1ec7n ch\u1eef vi\u1ebft tay, \u0111\u1eb7c bi\u1ec7t v\u1edbi v\u0103n b\u1ea3n r\u00f5 r\u00e0ng v\u00e0 c\u00f3 c\u1ea5u tr\u00fac. Nh\u1edd AI, kh\u1ea3 n\u0103ng \u0111\u1ecdc ch\u1eef vi\u1ebft tay ph\u1ee9c t\u1ea1p c\u0169ng \u0111ang \u0111\u01b0\u1ee3c n\u00e2ng cao, d\u00f9 ch\u1eef vi\u1ebft qu\u00e1 kh\u00f3 \u0111\u1ecdc v\u1eabn c\u00f3 th\u1ec3 g\u00e2y tr\u1edf ng\u1ea1i.<\/div>\n\n\n\n

OCR c\u00f3 h\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef kh\u00f4ng?<\/h3>\n\n\n\n
OCR c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n nhi\u1ec1u ng\u00f4n ng\u1eef kh\u00e1c nhau, nh\u01b0ng hi\u1ec7u su\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i ng\u00f4n ng\u1eef, ph\u00f4ng ch\u1eef v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p. Nh\u1edd AI, kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n \u0111a ng\u00f4n ng\u1eef, \u0111\u1eb7c bi\u1ec7t v\u1edbi h\u1ec7 ch\u1eef phi Latin v\u00e0 ph\u00f4ng ch\u1eef ph\u1ee9c t\u1ea1p, ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/div>\n<\/div>\n<\/div>\n <\/div><\/div>","protected":false},"excerpt":{"rendered":"

OCR ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? Ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh th\u00e0nh v\u0103n b\u1ea3n c\u00f3 th\u1ec3 \u0111\u1ecdc b\u1eb1ng m\u00e1y v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 Nh\u1eadn d\u1ea1ng K\u00fd t\u1ef1 Quang h\u1ecdc (OCR) trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>","protected":false},"author":875,"featured_media":14403,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"#gspb_row-id-gsbp-5aebb46{justify-content:space-between;margin-top:0;margin-bottom:0;display:flex;flex-wrap:wrap;min-height:250px;padding:0;overflow:hidden;background-size:cover;background-repeat:no-repeat;background-position:50% 68%;background-image:url(https:\/\/solomon-3d.mesvr.tw\/wp-content\/uploads\/2024\/01\/\u2014Pngtree\u2014technological-sense-geometric-line-simple_932581-1.jpg);filter:brightness(1) contrast(1) 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