{"id":286,"date":"2025-02-04T09:04:37","date_gmt":"2025-02-04T09:04:37","guid":{"rendered":"https:\/\/visotek.vn\/blog\/?p=286"},"modified":"2025-02-04T09:06:02","modified_gmt":"2025-02-04T09:06:02","slug":"cong-nghe-icr-tren-camera-quan-sat","status":"publish","type":"post","link":"https:\/\/visotek.vn\/blog\/cong-nghe-icr-tren-camera-quan-sat.html","title":{"rendered":"C\u00f4ng ngh\u1ec7 ICR tr\u00ean camera quan s\u00e1t"},"content":{"rendered":"

Hi\u1ec7n nay camera gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c trang b\u1ecb r\u1ea5t nhi\u1ec1u nh\u1eefng c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng quan s\u00e1t \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng. B\u00e0i vi\u1ebft n\u00e0y Visotek Vi\u1ec7t Nam<\/a> s\u1ebd chia s\u1ebb \u0111\u1ebfn b\u1ea1n c\u00f4ng ngh\u1ec7 ICR tr\u00ean camera<\/a> l\u00e0 g\u00ec?<\/p>\n

\"C\u00f4ng

C\u00f4ng ngh\u1ec7 ICR tr\u00ean camera quan s\u00e1t<\/p><\/div>\n

C\u00f4ng ngh\u1ec7 ICR l\u00e0 g\u00ec?<\/h2>\n

ICR (lo\u1ea1i b\u1ecf h\u1ed3ng ngo\u1ea1i) l\u00e0 b\u1ed9 l\u1ecdc n\u1eb1m gi\u1eefa \u1ed1ng k\u00ednh v\u00e0 c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh (CCD ho\u1eb7c CMOS) c\u1ee7a camera an ninh v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ecdc l\u01b0\u1ee3ng \u00e1nh s\u00e1ng d\u01b0 th\u1eeba \u0111i qua \u1ed1ng k\u00ednh.<\/p>\n

Camera v\u1edbi t\u00ednh n\u0103ng ICR (b\u1ed9 l\u1ecdc c\u00f3 th\u1ec3 di chuy\u1ec3n) c\u00f3 m\u1ed9t b\u1ed9 l\u1ecdc IR c\u01a1 kh\u00ed cho ph\u00e9p l\u1ecdc b\u1edbt tia h\u1ed3ng ngo\u1ea1i v\u00e0o ban ng\u00e0y \u0111\u1ec3 c\u00f3 m\u00e0u s\u1eafc trung th\u1ef1c nh\u1ea5t. \u0110\u1ebfn khi tr\u1eddi t\u1ed1i ho\u1eb7c \u00e1nh s\u00e1ng y\u1ebfu, camera s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u1eaft b\u1ed9 l\u1ecdc n\u00e0y cho ph\u00e9p tia h\u1ed3ng ngo\u1ea1i \u0111i qua gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng quan s\u00e1t ban \u0111\u00eam.<\/p>\n

R-Cut l\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u01b0\u01a1c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong camera an ninh.<\/p>\n

Camera IP t\u00edch h\u1ee3p IR-cut l\u00e0 c\u00e1c d\u00f2ng camera an ninh th\u00f4ng qua c\u00f4ng ngh\u1ec7 IR-cut \u0111\u1ec3 l\u00e0m cho camera IP c\u00f3 th\u1ec3 cung c\u1ea5p h\u00ecnh \u1ea3nh th\u1eadt s\u1ef1 ch\u1ea5t l\u01b0\u1ee3ng cao ng\u00e0y v\u00e0 \u0111\u00eam. Ch\u1ee9c n\u0103ng c\u1ee7a IR-cut trong camera an ninh l\u00e0 s\u1eeda ch\u1eefa c\u00e1c bi\u1ebfn d\u1ea1ng m\u00e0u s\u1eafc v\u00e0 t\u0103ng \u00e1nh s\u00e1ng v\u00e0o ban \u0111\u00eam.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a IR-cut<\/h2>\n

Trong t\u1ef1 nhi\u00ean c\u00f3 r\u1ea5t nhi\u1ec1u l\u00e0n s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng, tuy nhi\u00ean m\u1eaft ng\u01b0\u1eddi ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y s\u00f3ng d\u00e0i gi\u1eefa 320nm \u2013 760nm. N\u1ebfu b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n 320nm-760nm th\u00ec m\u1eaft ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y (h\u1ed3ng ngo\u1ea1i, tia c\u1ef1c t\u00edm).<\/p>\n

\"Nguy\u00ean

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a IR-cut<\/p><\/div>\n

Khi camera an ninh ho\u1ea1t \u0111\u1ed9ng v\u00e0o ban ng\u00e0y, ng\u01b0\u1eddi d\u00f9ng mu\u1ed1n \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh m\u00e0u s\u1eafc ch\u00ednh x\u00e1c th\u00ec IR-cut s\u1ebd l\u1ecdc kh\u1ed1i \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i (t\u1eeb b\u00ean ngo\u00e0i) trong t\u1ea7m v\u1edbi CCD. N\u1ebfu \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i \u0111\u1ea1t CCD \u1edf ng\u00e0y, n\u00f3 s\u1ebd interfer m\u00e0u ture c\u1ee7a boject.<\/p>\n

Khi camera ho\u1ea1t \u0111\u1ed9ng v\u00e0o ban \u0111\u00eam ho\u1eb7c \u00e1nh s\u00e1ng kh\u00f4g \u0111\u1ee7 th\u00ec IR s\u1ebd cho ph\u00e9p \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i (ho\u1eb7c t\u1ea5t c\u1ea3 c\u00e1c \u0111\u00e8n chi\u1ebfu s\u00e1ng) \u0111\u1ea1t t\u1edbi c\u1ea3m bi\u1ebfn \u0111\u1ec3 c\u00f3 th\u1ec3 t\u0103ng s\u00e1ng c\u1ee7a h\u00ecnh \u1ea3nh v\u00e0o ban \u0111\u00eam.<\/p>\n

S\u1ef1 kh\u00e1c nhau gi\u1eefa ng\u00e0y\/\u0111\u00eam th\u1eadt v\u00e0 \u0111i\u1ec7n t\u1eeb<\/h2>\n

C\u00f3 nh\u1eefng d\u00f2ng camera gi\u00e1m s\u00e1t c\u00f3 b\u1ed9 l\u1ecdc h\u1ed3ng ngo\u1ea1i (ICR) v\u00e0 do \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh \u00e1nh s\u00e1ng d\u01b0 th\u1eeba th\u00f4ng qua b\u1ed9 l\u1ecdc nh\u01b0 v\u1eady l\u00e0 do \u0111\u01b0\u1ee3c coi l\u00e0 camera c\u00f3 True Day Night (c\u00f3 IR Cut Filter).<\/p>\n

Nh\u1eefng d\u00f2ng camera kh\u00f4ng c\u00f3 b\u1ed9 l\u1ecdc v\u1eadt l\u00fd n\u00e0y s\u1ebd \u0111i\u1ec1u ch\u1ec9nh \u00e1nh s\u00e1ng b\u1eb1ng quy tr\u00ecnh \u0111i\u1ec7n t\u1eed v\u00e0 do \u0111\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 camera c\u00f3 ng\u00e0y\/\u0111\u00eam \u0111i\u1ec7n t\u1eed.<\/p>\n

Nh\u1eefng d\u00f2ng camera True Day\/Night l\u00e0 t\u1ed1t nh\u1ea5t b\u1edfi b\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0o ban ng\u00e0y v\u00e0 g\u1ee1 b\u1ecf v\u00e0o ban \u0111\u00eam, \u0111\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh quang h\u1ecdc.<\/p>\n

C\u00e1c ph\u01b0\u01a1ng th\u1ee9c k\u00edch ho\u1ea1t ng\u00e0y\/ \u0111\u00eam<\/h2>\n

Th\u00f4ng th\u01b0\u1eddng, m\u1ed9t camera an ninh c\u00f3 ch\u1ee9c n\u0103ng ng\u00e0y \u0111\u00eam s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng t\u1ef1 \u0111\u1ed9ng lo\u1ea1i b\u1ecf b\u1ed9 l\u1ecdc h\u1ed3ng ngo\u1ea1i khi \u00e1nh s\u00e1ng xung quanh gi\u1ea3m xu\u1ed1ng m\u1ed9t m\u1ee9c nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

N\u1ebfu mu\u1ed1n, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p x\u00f3a b\u1ed9 l\u1ecdc n\u00e0y, ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng menu camera v\u00e0 t\u00ecm t\u00f9y ch\u1ecdn \u0111\u1ec3 gi\u1eef b\u1ed9 l\u1ecdc lu\u00f4n \u1edf \u0111\u00fang b\u1ecb tr\u00ed c\u1ee7a n\u00f3. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 l\u00ean l\u1ecbch cho ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong ng\u00e0y ho\u1eb7c k\u1ebft n\u1ed1i c\u1ea3m bi\u1ebfn b\u00ean ngo\u00e0i v\u1edbi m\u00e1y \u1ea3nh \u0111\u1ec3 cho bi\u1ebft khi n\u00e0o n\u00ean k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng ng\u00e0y \u0111\u00eam.<\/p>\n

Th\u00f4ng tin ICR trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt camera<\/h2>\n

Tr\u01b0\u1edbc khi mua m\u1ed9t camera an ninh, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o danh m\u1ee5c ho\u1eb7c h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m v\u00e0 t\u00ecm lo\u1ea1i ch\u1ee9c n\u0103ng Ng\u00e0y \/ \u0110\u00eam c\u00f3 s\u1eb5n.<\/p>\n

\"T\u00ednh

T\u00ednh n\u0103ng ICR c\u00f3 tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a m\u1ed9t lo\u1ea1i camera quan s\u00e1t<\/p><\/div>\n

Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y c\u00e1c th\u00f4ng tin nh\u01b0 \u0111i\u1ec7n t\u1eed Day \/ Night , ng\u00e0y True \/ \u0111\u00eam ho\u1eb7c ICR Day \/ Night (\u0111\u00f3 l\u00e0 gi\u1ed1ng nh\u01b0 th\u1eadt Day \/ Night).<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay camera gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c trang b\u1ecb r\u1ea5t nhi\u1ec1u nh\u1eefng c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng quan s\u00e1t \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng. B\u00e0i vi\u1ebft n\u00e0y Visotek Vi\u1ec7t Nam s\u1ebd chia s\u1ebb \u0111\u1ebfn b\u1ea1n c\u00f4ng ngh\u1ec7 ICR tr\u00ean camera l\u00e0 g\u00ec? C\u00f4ng ngh\u1ec7 ICR l\u00e0 g\u00ec? ICR (lo\u1ea1i […]<\/p>\n","protected":false},"author":1,"featured_media":287,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tu-van-lap-dat-camera"],"yoast_head":"\nC\u00f4ng ngh\u1ec7 ICR tr\u00ean camera quan s\u00e1t - Blog c\u00f4ng ngh\u1ec7<\/title>\n<meta name=\"description\" content=\"C\u00f4ng ngh\u1ec7 ICR tr\u00ean camera quan s\u00e1t b\u1ed9 l\u1ecdc n\u1eb1m gi\u1eefa \u1ed1ng k\u00ednh v\u00e0 c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh camera, s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ecdc \u00e1nh s\u00e1ng d\u01b0 th\u1eeba \u0111i qua \u1ed1ng k\u00ednh.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/visotek.vn\/blog\/cong-nghe-icr-tren-camera-quan-sat.html\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00f4ng ngh\u1ec7 ICR tr\u00ean camera quan s\u00e1t - 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