{"id":476188,"date":"2023-08-09T07:26:52","date_gmt":"2023-08-09T07:26:52","guid":{"rendered":""},"modified":"2023-09-05T11:12:11","modified_gmt":"2023-09-05T11:12:11","slug":"cctv","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/cctv\/","title":{"rendered":"camera quan s\u00e1t"},"content":{"rendered":"<p>CCTV, hay Truy\u1ec1n h\u00ecnh m\u1ea1ch k\u00edn, l\u00e0 c\u00f4ng ngh\u1ec7 gi\u00e1m s\u00e1t \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eed d\u1ee5ng m\u00e1y quay video \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u1ebfn m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m c\u1ee5 th\u1ec3, th\u01b0\u1eddng tr\u00ean m\u1ed9t s\u1ed1 m\u00e0n h\u00ecnh h\u1ea1n ch\u1ebf. Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi truy\u1ec1n h\u00ecnh ph\u00e1t s\u00f3ng, t\u00edn hi\u1ec7u trong CCTV kh\u00f4ng \u0111\u01b0\u1ee3c truy\u1ec1n c\u00f4ng khai nh\u01b0ng n\u00f3 \u0111\u01b0\u1ee3c theo d\u00f5i ho\u1eb7c gi\u00e1m s\u00e1t, th\u01b0\u1eddng nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u00e1m s\u00e1t v\u00e0 an ninh.<\/p>\n<h2>S\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a CCTV<\/h2>\n<p>Truy\u1ec1n h\u00ecnh m\u1ea1ch k\u00edn c\u00f3 t\u1eeb nh\u1eefng n\u0103m 1940. N\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u1ea7n \u0111\u1ea7u ti\u00ean b\u1edfi k\u1ef9 s\u01b0 ng\u01b0\u1eddi \u0110\u1ee9c Walter Bruch \u0111\u1ec3 theo d\u00f5i c\u00e1c v\u1ee5 ph\u00f3ng t\u00ean l\u1eeda V2 trong Th\u1ebf chi\u1ebfn th\u1ee9 hai. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 \u0111\u00e3 m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 trong nh\u1eefng n\u0103m ti\u1ebfp theo. H\u1ec7 th\u1ed1ng camera quan s\u00e1t th\u01b0\u01a1ng m\u1ea1i \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0o n\u0103m 1949 t\u1ea1i Hoa K\u1ef3 b\u1edfi Vericon, m\u1ed9t c\u00f4ng ty c\u1ee7a M\u1ef9. Vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n trong nh\u1eefng n\u0103m 1970 v\u00e0 t\u1eeb \u0111\u00f3 ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng an ninh hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p>C\u00f4ng ngh\u1ec7 CCTV \u0111\u00e3 c\u00f3 nh\u1eefng ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3 theo th\u1eddi gian. S\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb ghi v\u00e0 l\u01b0u tr\u1eef analog sang k\u1ef9 thu\u1eadt s\u1ed1, s\u1ef1 ra \u0111\u1eddi c\u1ee7a camera IP v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a camera CCTV l\u00e0 m\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n \u0111\u00e1ng ch\u00fa \u00fd trong c\u00f4ng ngh\u1ec7 CCTV.<\/p>\n<h2>M\u1ed9t c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 CCTV<\/h2>\n<p>CCTV ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1ed9t ti\u1ec1n \u0111\u1ec1 \u0111\u01a1n gi\u1ea3n: camera ghi l\u1ea1i v\u00e0 truy\u1ec1n c\u1ea3nh quay video \u0111\u1ebfn m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m c\u1ee5 th\u1ec3. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 c\u00f3 d\u00e2y, trong \u0111\u00f3 c\u00e1p k\u1ebft n\u1ed1i camera v\u1edbi m\u00e0n h\u00ecnh ho\u1eb7c b\u1ed9 m\u00e0n h\u00ecnh ho\u1eb7c kh\u00f4ng d\u00e2y, truy\u1ec1n c\u1ea3nh quay qua m\u1ea1ng kh\u00f4ng d\u00e2y.<\/p>\n<p>C\u00e1c camera \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong CCTV c\u00f3 th\u1ec3 l\u00e0 m\u00e1y quay video ho\u1eb7c m\u00e1y \u1ea3nh t\u0129nh k\u1ef9 thu\u1eadt s\u1ed1. Ch\u00fang \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf v\u1ecb tr\u00ed chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 gi\u00e1m s\u00e1t c\u00e1c khu v\u1ef1c nh\u1ea5t \u0111\u1ecbnh v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nh\u1eefng v\u1ecb tr\u00ed d\u1ec5 nh\u00ecn th\u1ea5y \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ed9i ph\u1ea1m. M\u1ed9t s\u1ed1 camera n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ghi h\u00ecnh trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng y\u1ebfu ho\u1eb7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 nh\u00ecn ban \u0111\u00eam.<\/p>\n<p>C\u1ea3nh quay \u0111\u01b0\u1ee3c ghi l\u1ea1i b\u1edfi camera quan s\u00e1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y ghi video k\u1ef9 thu\u1eadt s\u1ed1 (DVR) ho\u1eb7c m\u00e1y ghi video m\u1ea1ng (NVR). C\u00e1c thi\u1ebft b\u1ecb n\u00e0y cho ph\u00e9p ph\u00e1t l\u1ea1i c\u1ea3nh quay v\u00e0 c\u00f3 th\u1ec3 l\u01b0u tr\u1eef m\u1ed9t l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u00e1ng k\u1ec3 t\u00f9y thu\u1ed9c v\u00e0o dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef. C\u00e1c h\u1ec7 th\u1ed1ng camera quan s\u00e1t hi\u1ec7n \u0111\u1ea1i c\u0169ng \u0111\u01b0\u1ee3c trang b\u1ecb kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch nh\u01b0 ph\u00e1t hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng, nh\u1eadn d\u1ea1ng khu\u00f4n m\u1eb7t v\u00e0 c\u1ea3nh b\u00e1o t\u1ef1 \u0111\u1ed9ng.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CCTV<\/h2>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng camera quan s\u00e1t c\u01a1 b\u1ea3n bao g\u1ed3m ba th\u00e0nh ph\u1ea7n ch\u00ednh: camera, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb v\u00e0 thi\u1ebft b\u1ecb ghi \u00e2m.<\/p>\n<ol>\n<li>\n<p><strong>M\u00e1y \u1ea3nh:<\/strong> \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng camera quan s\u00e1t. Camera ghi l\u1ea1i c\u1ea3nh quay video c\u1ee7a khu v\u1ef1c n\u00f3 gi\u00e1m s\u00e1t. M\u1ed9t s\u1ed1 m\u00e1y \u1ea3nh ti\u00ean ti\u1ebfn c\u00f2n c\u00f3 c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung nh\u01b0 ch\u1ee9c n\u0103ng xoay, nghi\u00eang v\u00e0 thu ph\u00f3ng c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb:<\/strong> M\u00e0n h\u00ecnh s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c c\u1ea3nh quay video \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb camera. M\u00e0n h\u00ecnh c\u00f3 th\u1ec3 l\u00e0 m\u00e0n h\u00ecnh chuy\u00ean d\u1ee5ng ho\u1eb7c m\u00e0n h\u00ecnh m\u00e1y t\u00ednh, t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<li>\n<p><strong>Thi\u1ebft b\u1ecb ghi:<\/strong> Thi\u1ebft b\u1ecb ghi, th\u01b0\u1eddng l\u00e0 DVR ho\u1eb7c NVR, l\u01b0u tr\u1eef c\u1ea3nh quay video \u0111\u1ec3 s\u1eed d\u1ee5ng ho\u1eb7c tham kh\u1ea3o trong t\u01b0\u01a1ng lai. Th\u00e0nh ph\u1ea7n n\u00e0y c\u0169ng c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 ghi theo th\u1eddi gian, ghi theo s\u1ef1 ki\u1ec7n v\u00e0 truy c\u1eadp t\u1eeb xa v\u00e0o c\u1ea3nh quay.<\/p>\n<\/li>\n<\/ol>\n<p>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng camera quan s\u00e1t t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n. Camera ghi l\u1ea1i c\u1ea3nh quay video v\u00e0 g\u1eedi \u0111\u1ebfn m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb v\u00e0 thi\u1ebft b\u1ecb ghi. T\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft l\u1eadp, vi\u1ec7c truy\u1ec1n n\u00e0y c\u00f3 th\u1ec3 th\u00f4ng qua c\u00e1p (trong h\u1ec7 th\u1ed1ng c\u00f3 d\u00e2y) ho\u1eb7c qua m\u1ea1ng kh\u00f4ng d\u00e2y (trong h\u1ec7 th\u1ed1ng kh\u00f4ng d\u00e2y).<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a CCTV<\/h2>\n<p>H\u1ec7 th\u1ed1ng camera quan s\u00e1t \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh:<\/p>\n<ul>\n<li><strong>Gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c:<\/strong> CCTV cung c\u1ea5p kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t li\u00ean t\u1ee5c m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3 trong th\u1eddi gian th\u1ef1c.<\/li>\n<li><strong>N\u1ea3n l\u00f2ng:<\/strong> Camera quan s\u00e1t c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p ng\u0103n ch\u1eb7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ed9i ph\u1ea1m.<\/li>\n<li><strong>L\u01b0u tr\u1eef h\u1ed3 s\u01a1:<\/strong> H\u1ec7 th\u1ed1ng camera quan s\u00e1t c\u00f3 th\u1ec3 l\u01b0u gi\u1eef h\u1ed3 s\u01a1 c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ec3 tham kh\u1ea3o ho\u1eb7c l\u00e0m b\u1eb1ng ch\u1ee9ng trong t\u01b0\u01a1ng lai.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> C\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng th\u00eam nhi\u1ec1u camera h\u01a1n v\u00e0o h\u1ec7 th\u1ed1ng khi y\u00eau c\u1ea7u thay \u0111\u1ed5i.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t t\u1eeb xa:<\/strong> H\u1ec7 th\u1ed1ng camera quan s\u00e1t hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 truy\u1ec1n c\u1ea3nh quay qua internet, cho ph\u00e9p gi\u00e1m s\u00e1t t\u1eeb xa.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng CCTV<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i h\u1ec7 th\u1ed1ng camera quan s\u00e1t kh\u00e1c nhau, d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau nh\u01b0 thi\u1ebft k\u1ebf v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang.<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i camera quan s\u00e1t<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Camera quan s\u00e1t d\u1ea1ng v\u00f2m<\/td>\n<td>V\u1ecf h\u00ecnh v\u00f2m \u0111\u1ec3 gi\u00e1m s\u00e1t k\u00edn \u0111\u00e1o<\/td>\n<\/tr>\n<tr>\n<td>Camera quan s\u00e1t Bullet<\/td>\n<td>H\u00ecnh d\u1ea1ng h\u00ecnh tr\u1ee5 d\u00e0i \u0111\u1ec3 xem \u1edf kho\u1ea3ng c\u00e1ch xa<\/td>\n<\/tr>\n<tr>\n<td>Camera quan s\u00e1t C-Mount<\/td>\n<td>\u1ed0ng k\u00ednh c\u00f3 th\u1ec3 th\u00e1o r\u1eddi \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau<\/td>\n<\/tr>\n<tr>\n<td>Camera PTZ (Pan, Tilt, Zoom)<\/td>\n<td>Cho ph\u00e9p camera di chuy\u1ec3n sang tr\u00e1i ho\u1eb7c ph\u1ea3i (pan), l\u00ean v\u00e0 xu\u1ed1ng (nghi\u00eang) ho\u1eb7c th\u1eadm ch\u00ed cho ph\u00e9p camera zoom g\u1ea7n h\u01a1n ho\u1eb7c xa h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Camera quan s\u00e1t ng\u00e0y\/\u0111\u00eam<\/td>\n<td>C\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng b\u00ecnh th\u01b0\u1eddng v\u00e0 thi\u1ebfu \u00e1nh s\u00e1ng<\/td>\n<\/tr>\n<tr>\n<td>Camera quan s\u00e1t h\u1ed3ng ngo\u1ea1i\/nh\u00ecn \u0111\u00eam<\/td>\n<td>S\u1eed d\u1ee5ng \u0111\u00e8n LED h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 nh\u00ecn trong b\u00f3ng t\u1ed1i<\/td>\n<\/tr>\n<tr>\n<td>Camera quan s\u00e1t m\u1ea1ng\/IP<\/td>\n<td>Truy\u1ec1n h\u00ecnh \u1ea3nh qua internet<\/td>\n<\/tr>\n<tr>\n<td>Camera quan s\u00e1t kh\u00f4ng d\u00e2y<\/td>\n<td>Kh\u00f4ng c\u1ea7n d\u00e2y \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>Camera CCTV \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao (HD)<\/td>\n<td>Cung c\u1ea5p h\u00ecnh \u1ea3nh c\u00f3 \u0111\u1ed9 chi ti\u1ebft cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p c\u1ee7a CCTV<\/h2>\n<p>CCTV ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng an ninh v\u00e0 gi\u00e1m s\u00e1t. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau nh\u01b0 b\u00e1n l\u1ebb, ng\u00e2n h\u00e0ng, v\u1eadn t\u1ea3i, v.v. Ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c khu d\u00e2n c\u01b0 v\u00ec m\u1ee5c \u0111\u00edch an ninh.<\/p>\n<p>Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng camera quan s\u00e1t c\u00f3 th\u1ec3 \u0111\u1eb7t ra m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1. Quy\u1ec1n ri\u00eang t\u01b0 l\u00e0 m\u1ed1i quan t\u00e2m l\u1edbn v\u00ec ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng x\u00e2m ph\u1ea1m \u0111\u1eddi s\u1ed1ng ri\u00eang t\u01b0 c\u1ee7a m\u1ecdi ng\u01b0\u1eddi. Ngo\u00e0i ra c\u00f2n c\u00f3 nguy c\u01a1 ph\u00e1 ho\u1ea1i ho\u1eb7c gi\u1ea3 m\u1ea1o m\u00e1y \u1ea3nh.<\/p>\n<p>Nhi\u1ec1u v\u1ea5n \u0111\u1ec1 trong s\u1ed1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t. V\u00ed d\u1ee5: camera c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb \u0111\u1ec3 ch\u1ec9 gi\u00e1m s\u00e1t c\u00e1c khu v\u1ef1c c\u1ea7n gi\u00e1m s\u00e1t ch\u1ee9 kh\u00f4ng ph\u1ea3i kh\u00f4ng gian ri\u00eang t\u01b0. C\u00e1c v\u1ea5n \u0111\u1ec1 gi\u1ea3 m\u1ea1o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng camera ch\u1ed1ng ph\u00e1 ho\u1ea1i ho\u1eb7c b\u1eb1ng c\u00e1ch \u0111\u1eb7t camera \u1edf nh\u1eefng n\u01a1i kh\u00f3 ti\u1ebfp c\u1eadn.<\/p>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c \u0111i\u1ec1u kho\u1ea3n t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>camera quan s\u00e1t<\/td>\n<td>Truy\u1ec1n h\u00ecnh m\u1ea1ch k\u00edn, d\u00f9ng cho m\u1ee5c \u0111\u00edch gi\u00e1m s\u00e1t<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e1t s\u00f3ng truy\u1ec1n h\u00ecnh<\/td>\n<td>Truy\u1ec1n t\u1ea3i c\u00f4ng khai t\u1edbi c\u00f4ng ch\u00fang<\/td>\n<\/tr>\n<tr>\n<td>Webcam<\/td>\n<td>\u0110\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean l\u1ea1c c\u00e1 nh\u00e2n<\/td>\n<\/tr>\n<tr>\n<td>M\u00e0n h\u00ecnh b\u00e9<\/td>\n<td>D\u00f9ng \u0111\u1ec3 theo d\u00f5i tr\u1ebb s\u01a1 sinh v\u00e0 tr\u1ebb nh\u1ecf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>C\u00f4ng ngh\u1ec7 CCTV ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n. Vi\u1ec7c t\u00edch h\u1ee3p tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) l\u00e0 m\u1ed9t b\u01b0\u1edbc ph\u00e1t tri\u1ec3n quan tr\u1ecdng s\u1ebd \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a CCTV. AI c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t c\u00e1c ch\u1ee9c n\u0103ng nh\u01b0 nh\u1eadn d\u1ea1ng khu\u00f4n m\u1eb7t, ph\u00e1t hi\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng v\u00e0 ph\u00e2n t\u00edch video ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<p>M\u1ed9t l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n kh\u00e1c l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y. Khi m\u1ea1ng kh\u00f4ng d\u00e2y tr\u1edf n\u00ean nhanh h\u01a1n v\u00e0 an to\u00e0n h\u01a1n, vi\u1ec7c \u00e1p d\u1ee5ng h\u1ec7 th\u1ed1ng camera quan s\u00e1t kh\u00f4ng d\u00e2y d\u1ef1 ki\u1ebfn s\u1ebd t\u0103ng l\u00ean.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, camera CCTV \u0111ang ng\u00e0y c\u00e0ng c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 nh\u1ecf g\u1ecdn h\u01a1n, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/p>\n<h2>Hi\u1ec7p h\u1ed9i m\u00e1y ch\u1ee7 proxy v\u1edbi camera quan s\u00e1t<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft l\u1eadp camera quan s\u00e1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong b\u1ed1i c\u1ea3nh camera IP. M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung gian cho c\u00e1c y\u00eau c\u1ea7u t\u1eeb kh\u00e1ch h\u00e0ng \u0111ang t\u00ecm ki\u1ebfm t\u00e0i nguy\u00ean t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c, cung c\u1ea5p th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt. N\u00f3 c\u00f3 th\u1ec3 \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a h\u1ec7 th\u1ed1ng camera quan s\u00e1t, khi\u1ebfn tin t\u1eb7c ti\u1ec1m n\u0103ng kh\u00f3 truy c\u1eadp h\u01a1n.<\/p>\n<p>Ngo\u00e0i ra, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 cung c\u1ea5p k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh h\u01a1n, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng camera quan s\u00e1t truy\u1ec1n video qua internet.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.sourcesecurity.com\/news\/co-289-ga.1769.html\" target=\"_new\" rel=\"noopener nofollow\">L\u1ecbch s\u1eed c\u1ee7a CCTV<\/a><\/li>\n<li><a href=\"https:\/\/www.cctv.co.uk\/how-does-cctv-work\/\" target=\"_new\" rel=\"noopener nofollow\">CCTV ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li>\n<li><a href=\"https:\/\/www.safewise.com\/blog\/which-security-camera-is-right-for-you\/\" target=\"_new\" rel=\"noopener nofollow\">C\u00e1c lo\u1ea1i camera quan s\u00e1t<\/a><\/li>\n<li><a href=\"https:\/\/www.ifsecglobal.com\/video-surveillance\/the-future-of-cctv-a-trade-show-perspective\/\" target=\"_new\" rel=\"noopener nofollow\">T\u01b0\u01a1ng lai c\u1ee7a CCTV<\/a><\/li>\n<\/ol>\n<p>T\u00f3m l\u1ea1i, h\u1ec7 th\u1ed1ng camera quan s\u00e1t ti\u1ebfp t\u1ee5c l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a c\u00e1c bi\u1ec7n ph\u00e1p an ninh trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7, c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ng\u00e0y c\u00e0ng tr\u1edf n\u00ean tinh vi h\u01a1n, mang l\u1ea1i kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 t\u0103ng c\u01b0\u1eddng an ninh. Gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 c\u00f4ng ngh\u1ec7 n\u00e0o, vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 tri\u1ec3n khai ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a l\u1ee3i \u00edch c\u1ee7a n\u00f3.<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476188","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Closed-Circuit Television (CCTV) Systems: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is a CCTV system?","answer":"<p>CCTV, or Closed-Circuit Television, is a surveillance technology that involves the use of video cameras to transmit a signal to a specific place, typically onto a limited number of monitors. Unlike broadcast television, the signal in CCTV isn't openly transmitted, but it is monitored, usually for surveillance and security purposes.<\/p>"},{"question":"When was CCTV first used?","answer":"<p>The first use of CCTV dates back to the 1940s. It was developed by German engineer Walter Bruch to monitor V2 rocket launches during World War II. The first commercial CCTV system was installed in 1949 in the United States by an American company, Vericon.<\/p>"},{"question":"How does a CCTV system work?","answer":"<p>A CCTV system works by capturing video footage through its cameras and transmitting this to a specific location, typically a monitor or a set of monitors. The transmission can be wired or wireless. The footage is stored on digital video recorders (DVRs) or network video recorders (NVRs) for future reference.<\/p>"},{"question":"What are the key features of CCTV?","answer":"<p>Key features of CCTV include real-time surveillance, deterrence of criminal activities, record-keeping, scalability, and the possibility of remote monitoring over the internet.<\/p>"},{"question":"What are the different types of CCTV systems?","answer":"<p>Types of CCTV systems include Dome CCTV Cameras, Bullet CCTV Cameras, C-Mount CCTV Cameras, PTZ (Pan, Tilt, Zoom) Cameras, Day\/Night CCTV Cameras, Infrared\/night vision CCTV Cameras, Network\/IP CCTV Cameras, Wireless CCTV Cameras, and High Definition (HD) CCTV Cameras.<\/p>"},{"question":"What are some potential issues with the use of CCTV?","answer":"<p>CCTV can pose certain issues including privacy concerns and risk of vandalism or tampering. These can be mitigated through good practices like positioning cameras to monitor only necessary areas, using vandal-resistant cameras, or placing cameras in hard-to-reach places.<\/p>"},{"question":"What future technologies are expected in CCTV?","answer":"<p>Future perspectives in CCTV technology include integration of artificial intelligence for functions like facial recognition and unusual activity detection, usage of faster and secure wireless technology, and high-definition and compact CCTV cameras.<\/p>"},{"question":"How are proxy servers associated with CCTV?","answer":"<p>Proxy servers can provide an extra layer of security for CCTV systems, particularly IP cameras, by acting as an intermediary for requests, hiding the IP address of the CCTV camera system, and providing a more stable connection.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476188","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476188\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}