{"id":18261,"date":"2021-07-28T14:12:32","date_gmt":"2021-07-28T07:12:32","guid":{"rendered":"https:\/\/jobsgo.vn\/blog\/?p=18261"},"modified":"2025-01-06T11:46:06","modified_gmt":"2025-01-06T04:46:06","slug":"convolutional-neural-network-la-gi","status":"publish","type":"post","link":"https:\/\/jobsgo.vn\/blog\/convolutional-neural-network-la-gi\/","title":{"rendered":"Convolutional Neural Network l\u00e0 g\u00ec? T\u1ed5ng h\u1ee3p nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch"},"content":{"rendered":"\n
Convolutional Neural Network l\u00e0 g\u00ec? Nh\u1eefng th\u00f4ng tin n\u00e0o b\u1ea1n c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c v\u1ec1 m\u1ea1ng CNN hi\u1ec7n nay? C\u00f9ng \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 b\u1ecf t\u00fai ki\u1ebfn th\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c JobsGo chia s\u1ebb nh\u00e9!<\/span><\/i><\/span><\/p>\n M\u1ee5c l\u1ee5c<\/p> Convolutional Neural Network l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef v\u1edbi ngh\u0129a ti\u1ebfng Vi\u1ec7t l\u00e0 m\u1ea1ng n\u01a1-ron t\u00edch ch\u1eadp, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft th\u00e0nh CNN v\u00e0 l\u00e0 m\u1ed9t trong nh\u1eefng m\u00f4 h\u00ecnh Deep Learning ti\u00ean ti\u1ebfn, hi\u1ec7n \u0111\u1ea1i nh\u1ea5t hi\u1ec7n nay. Nh\u1edd c\u00f3 CNN m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c t\u1ea1o d\u1ef1ng h\u1ec7 th\u1ed1ng m\u1ea1ng th\u00f4ng minh v\u00e0 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/span><\/p>\n Convolutional Neural Network \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 r\u1ed9ng r\u00e3i trong c\u00e1c b\u00e0i nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a h\u00ecnh \u1ea3nh. R\u1ea5t nhi\u1ec1u c\u00e1c b\u1ea1n h\u1ecdc <\/span>ng\u00e0nh \u0111i\u1ec7n t\u1eed vi\u1ec5n th\u00f4ng<\/b><\/a><\/span> ch\u1ecdn lu\u1eadn v\u0103n Convolution Neural Network l\u00e0m \u0111\u1ec1 t\u00e0i t\u1ed1t nghi\u1ec7p cho m\u00ecnh. C\u00f9ng t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 CNN v\u1edbi th\u00f4ng tin trong ph\u1ea7n ti\u1ebfp theo c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y nh\u00e9!<\/span><\/span><\/p>\n Convolutional l\u00e0 m\u1ed9t lo\u1ea1i c\u1eeda s\u1ed5 d\u1ea1ng tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t ma tr\u1eadn. Nh\u1eefng c\u1eeda s\u1ed5 d\u1ea1ng tr\u01b0\u1ee3t n\u00e0y s\u1ebd c\u00f3 c\u00e1c Parameter \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u00fang v\u00e0 nh\u1edd \u0111\u00f3 c\u00f3 th\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c nh\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh ch\u1ecdn Feature.<\/span><\/p>\n Convolutional l\u00e0 m\u1ed9t trong nh\u1eefng ph\u1ea7n t\u1eed quan tr\u1ecdng trong ma tr\u1eadn. C\u1eeda s\u1ed5 tr\u01b0\u1ee3t c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Filter, Kernel ho\u1eb7c Feature Detect ho\u1eb7c c\u00f3 th\u1ec3 g\u1ecdi n\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i ma tr\u1eadn c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf.<\/span><\/p>\n \ud83d\udc49 Xem th\u00eam: <\/b>Gi\u1ea3i \u0111\u00e1p: CCNA l\u00e0 g\u00ec? Th\u00f4ng tin v\u1ec1 ch\u1ee9ng ch\u1ec9 qu\u1ea3n tr\u1ecb m\u1ea1ng<\/b><\/a><\/span><\/span><\/p>\n M\u1ea1ng CNN \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean t\u1eeb nhi\u1ec1u l\u1edbp Convolutional ch\u1ed3ng l\u00ean nhau, n\u00f3 c\u0169ng s\u1eed d\u1ee5ng h\u00e0m nonlinear activation \u0111\u1ec3 k\u00edch ho\u1ea1t tr\u1ecdng s\u1ed1 trong node. Nh\u1eefng l\u1edbp n\u00e0y khi \u0111i qua h\u00e0m k\u00edch ho\u1ea1t s\u1ebd t\u1ea1o ra nh\u1eefng th\u00f4ng tin mang t\u00ednh tr\u1eebu t\u01b0\u1ee3ng v\u1edbi nh\u1eefng l\u1edbp ti\u1ebfp theo.<\/span><\/p>\n Trong ki\u1ebfn tr\u00fac m\u1ea1ng CNN, n\u00f3 c\u00f3 t\u00ednh t\u00edch k\u1ebft h\u1ee3p v\u00e0 b\u1ea5t bi\u1ebfn. N\u1ebfu b\u1ea1n \u0111\u01b0a c\u00f9ng m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng nh\u01b0ng chi\u1ebfu n\u00f3 v\u1edbi nhi\u1ec1u g\u00f3c \u0111\u1ed9 kh\u00e1c nhau th\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c s\u1ebd kh\u00f4ng c\u00f2n cao do b\u1ecb \u1ea3nh h\u01b0\u1edfng.\u00a0<\/span><\/p>\n Pooling Layer \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 gi\u00fap nh\u1eefng t\u00ednh ch\u1ea5t c\u1ee7a m\u1ea1ng CNN b\u1ea5t bi\u1ebfn cho d\u00f9 c\u00f3 th\u1ef1c hi\u1ec7n chuy\u1ec3n d\u1ecbch, quay v\u00e0 co gi\u00e3n. Th\u00f4ng qua Convolutional t\u1eeb c\u00e1c Filter s\u1ebd cho b\u1ea1n th\u1ea5y nh\u1eefng c\u1ea5u \u0111\u1ed9 bi\u1ec3u di\u1ec5n, th\u00f4ng tin t\u1eeb m\u1ee9c th\u1ea5p \u0111\u1ebfn m\u1ee9c cao v\u1edbi \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng b\u1edfi t\u00ednh k\u1ebft h\u1ee3p c\u1ee5c b\u1ed9 c\u1ee7a m\u1ea1ng CNN.<\/span><\/p>\n M\u1ea1ng CNN c\u00f3 c\u00e1c Layer \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf Convolutional. B\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t k\u1ebft n\u1ed1i c\u1ee5c b\u1ed9 c\u1ef1c ph\u00f9 h\u1ee3p l\u00e0 do c\u00e1c Layer sau l\u00e0 k\u1ebft qu\u1ea3 t\u1eeb nh\u1eefng Layer tr\u01b0\u1edbc t\u1ea1o n\u00ean v\u00e0 c\u00e1c n\u01a1ron \u1edf l\u1edbp say l\u00e0 k\u1ebft qu\u1ea3 t\u1eeb Filter \u0111\u1eb7t l\u00ean c\u00f9ng \u1ea3nh c\u1ee5c b\u1ed9 c\u1ee7a n\u01a1ron ph\u00eda tr\u01b0\u1edbc.<\/span><\/p>\n Ki\u1ebfn tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a m\u1ea1ng Convolutional Neural Network g\u1ed3m c\u00f3 3 ph\u1ea7n ch\u00ednh, c\u1ee5 th\u1ec3:<\/span><\/p>\n Convolutional neural network paper l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean gi\u1ea5y sau khi \u0111\u00e3 qua x\u1eed l\u00fd v\u1edbi 3 ph\u1ea7n ch\u00ednh nh\u01b0 tr\u00ean chia s\u1ebb.<\/span><\/p>\n VGG16 l\u00e0 m\u1ed9t m\u1ea1ng CNN ti\u00eau bi\u1ec3u v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t b\u1edfi K.Simonyan v\u00e0 A.Zisserman c\u1ee7a \u0111\u1ea1i h\u1ecdc Oxford. C\u00e1c Model sau khi \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi m\u1ea1ng VGG16 s\u1ebd cho \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00ean \u0111\u1ebfn 92.7% top-5 test trong d\u1eef li\u1ec7u \u1ea3nh m\u1ea1ng g\u1ed3m 14 tri\u1ec7u h\u00ecnh \u1ea3nh kh\u00e1c nhau thu\u1ed9c 1000 l\u1edbp.<\/span><\/p>\n \ud83d\udc49 Xem th\u00eam: <\/b>An ninh m\u1ea1ng l\u00e0 g\u00ec? H\u1ecdc an ninh m\u1ea1ng ra l\u00e0m g\u00ec?<\/b><\/a><\/span><\/span><\/p>\n \u0110\u1ec3 m\u1ea1ng CNN c\u1ee7a b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c tham s\u1ed1 ph\u00f9 h\u1ee3p nh\u1ea5t, th\u00ec JobsGO s\u1ebd chia s\u1ebb \u0111\u1ebfn b\u1ea1n m\u1ed9t s\u1ed1 l\u01b0u \u00fd \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a pooling size, filter size, s\u1ed1 convolution v\u00e0 vi\u1ec7c train test nh\u01b0 sau:<\/span><\/p>\n Nh\u01b0 v\u1eady, b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u Convolutional Neural Network l\u00e0 g\u00ec<\/a>? D\u00f9 b\u1ea3n ch\u1ea5t CNN l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n \u0111\u01a1n gi\u1ea3n nh\u01b0ng n\u00f3 t\u1ea1o ra cho ng\u01b0\u1eddi d\u00f9ng h\u00ecnh \u1ea3nh \u0111\u1ea1t m\u1ee9c \u0111\u1ed9 h\u00e0i l\u00f2ng cao. \u0110\u1eebng qu\u00ean truy c\u1eadp v\u00e0o Jobsgo.vn<\/strong><\/span><\/a> \u0111\u1ec3 \u0111\u1ecdc nh\u1eefng b\u00e0i blog chia s\u1ebb h\u1eefu \u00edch kh\u00e1c nh\u00e9.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u00e1nh gi\u00e1 post Convolutional Neural Network l\u00e0 g\u00ec? Nh\u1eefng th\u00f4ng tin n\u00e0o b\u1ea1n c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c v\u1ec1 m\u1ea1ng CNN hi\u1ec7n nay? C\u00f9ng \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 b\u1ecf t\u00fai ki\u1ebfn th\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c JobsGo chia s\u1ebb nh\u00e9! M\u1ee5c l\u1ee5cConvolutional…<\/p>\n","protected":false},"author":43,"featured_media":18265,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"convolutional neural network l\u00e0 g\u00ec","_yoast_wpseo_title":"%%title%% %%page%% %%sep%%","_yoast_wpseo_metadesc":"Convolutional Neural Network l\u00e0 g\u00ec? B\u1ea1n mu\u1ed1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 thu\u1eadt ng\u1eef n\u00e0y th\u00ec click ngay b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 t\u00ecm hi\u1ec3u nh\u00e9.","_yoast_wpseo_focus_keyphrase":"","faq":"","nganh_nghe_chuc_vu_lien_quan":["Nh\u00e2n Vi\u00ean C\u00f4ng Ngh\u1ec7 Th\u00f4ng Tin"]},"categories":[7],"tags":[],"yoast_head":"\nConvolutional Neural Network l\u00e0 g\u00ec?<\/b><\/span><\/span><\/h2>\n
Convolutional l\u00e0 g\u00ec?<\/b><\/span><\/span><\/h2>\n
C\u1ea5u tr\u00fac c\u1ee7a m\u1ea1ng CNN l\u00e0 g\u00ec?<\/b><\/span><\/span><\/h2>\n
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VGG16 l\u00e0 g\u00ec?<\/b><\/span><\/span><\/h2>\n
Ch\u1ec9 b\u1ea1n c\u00e1ch ch\u1ecdn c\u00e1c tham s\u1ed1 CNN<\/b><\/span><\/span><\/h2>\n
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