{"id":680100,"date":"2024-10-28T14:11:02","date_gmt":"2024-10-28T13:11:02","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=680100"},"modified":"2024-10-28T14:11:02","modified_gmt":"2024-10-28T13:11:02","slug":"chan-doan-benh-cay-bang-hinh-anh-nhiet-co-hieu-qua-khong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chan-doan-benh-cay-bang-hinh-anh-nhiet-co-hieu-qua-khong\/","title":{"rendered":"Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y b\u1eb1ng h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng?"},"content":{"rendered":"<p class=\"sidekick\">Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y b\u1eb1ng h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng? Ph\u00e2n t\u00edch \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nhi\u1ec7t \u1ea3nh trong n\u00f4ng nghi\u1ec7p \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c b\u1ec7nh c\u00e2y tr\u1ed3ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chan_doan_benh_cay_bang_hinh_anh_nhiet_co_hieu_qua_khong.png\" alt=\"Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y b\u1eb1ng h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng?\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y b\u1eb1ng h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng?<\/h2>\n<p>H\u00ecnh \u1ea3nh nhi\u1ec7t, hay c\u00f2n g\u1ecdi l\u00e0 \u1ea3nh h\u1ed3ng ngo\u1ea1i, l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, t\u1eeb y h\u1ecdc, qu\u00e2n s\u1ef1 \u0111\u1ebfn n\u00f4ng nghi\u1ec7p. M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt c\u1ee7a h\u00ecnh \u1ea3nh nhi\u1ec7t trong n\u00f4ng nghi\u1ec7p l\u00e0 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y. C\u00f4ng ngh\u1ec7 n\u00e0y mang l\u1ea1i nhi\u1ec1u ti\u1ec1m n\u0103ng, nh\u01b0ng li\u1ec7u n\u00f3 c\u00f3 th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3?<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u00ecnh \u1ea3nh nhi\u1ec7t<\/h2>\n<p>H\u00ecnh \u1ea3nh nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd ph\u00e1t x\u1ea1 nhi\u1ec7t c\u1ee7a v\u1eadt th\u1ec3. M\u1ecdi v\u1eadt th\u1ec3 c\u00f3 nhi\u1ec7t \u0111\u1ed9 tr\u00ean \u0111\u1ed9 kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i (-273.15\u00b0C) \u0111\u1ec1u ph\u00e1t x\u1ea1 nhi\u1ec7t d\u01b0\u1edbi d\u1ea1ng b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i. Camera nhi\u1ec7t thu nh\u1eadn b\u1ee9c x\u1ea1 n\u00e0y v\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u00f3 th\u00e0nh d\u1eef li\u1ec7u h\u00ecnh \u1ea3nh, cho ph\u00e9p ch\u00fang ta nh\u00ecn th\u1ea5y nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3.<\/p>\n<h2>\u1ee8ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t trong ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y<\/h2>\n<p>Khi c\u00e2y b\u1ecb nhi\u1ec5m b\u1ec7nh, qu\u00e1 tr\u00ecnh quang h\u1ee3p, h\u00f4 h\u1ea5p, v\u00e0 s\u1ef1 l\u01b0u th\u00f4ng n\u01b0\u1edbc thay \u0111\u1ed5i, d\u1eabn \u0111\u1ebfn thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t l\u00e1 v\u00e0 th\u00e2n c\u00e2y. C\u00e1c camera nhi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ra nh\u1eefng thay \u0111\u1ed5i nh\u1ecf n\u00e0y, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c khu v\u1ef1c b\u1ecb nhi\u1ec5m b\u1ec7nh ho\u1eb7c b\u1ecb stress.<\/p>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a h\u00ecnh \u1ea3nh nhi\u1ec7t trong ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y<\/h2>\n<ul>\n<li><b>Ph\u00e1t hi\u1ec7n s\u1edbm: <\/b>H\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng d\u1ea5u hi\u1ec7u b\u1ec7nh s\u1edbm h\u01a1n so v\u1edbi m\u1eaft th\u01b0\u1eddng, gi\u00fap ng\u01b0\u1eddi n\u00f4ng d\u00e2n ho\u1eb7c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 bi\u1ec7n ph\u00e1p can thi\u1ec7p k\u1ecbp th\u1eddi.<\/li>\n<li><b>Kh\u00f4ng g\u00e2y h\u1ea1i: <\/b>C\u00f4ng ngh\u1ec7 n\u00e0y kh\u00f4ng g\u00e2y h\u1ea1i cho c\u00e2y tr\u1ed3ng, kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.<\/li>\n<li><b>Ph\u1ea1m vi r\u1ed9ng: <\/b>Camera nhi\u1ec7t c\u00f3 th\u1ec3 qu\u00e9t m\u1ed9t v\u00f9ng l\u1edbn trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/li>\n<\/ul>\n<h2>H\u1ea1n ch\u1ebf c\u1ee7a h\u00ecnh \u1ea3nh nhi\u1ec7t trong ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y<\/h2>\n<ol>\n<li><b>\u0110\u1ed9 ph\u00e2n gi\u1ea3i: <\/b>Camera nhi\u1ec7t kh\u00f4ng c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao nh\u01b0 c\u00e1c lo\u1ea1i camera kh\u00e1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c chi ti\u1ebft nh\u1ecf.<\/li>\n<li><b>Kh\u1ea3 n\u0103ng ph\u00e2n lo\u1ea1i: <\/b>C\u00f4ng ngh\u1ec7 n\u00e0y ch\u1ec9 c\u1ea3nh b\u00e1o v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t nhi\u1ec7t \u0111\u1ed9, kh\u00f4ng th\u1ec3 ph\u00e2n lo\u1ea1i c\u1ee5 th\u1ec3 lo\u1ea1i b\u1ec7nh hay nguy\u00ean nh\u00e2n g\u00e2y stress.<\/li>\n<li><b>Chi ph\u00ed: <\/b>\u1ee8ng d\u1ee5ng c\u00f4ng ngh\u1ec7 cao n\u00e0y \u0111\u00f2i h\u1ecfi chi ph\u00ed l\u1edbn, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c n\u00f4ng d\u00e2n.<\/li>\n<\/ol>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>H\u00ecnh \u1ea3nh nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch v\u00e0 ti\u1ec1m n\u0103ng trong ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c ph\u00e1t hi\u1ec7n s\u1edbm v\u00e0 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c khu v\u1ef1c b\u1ecb \u1ea3nh h\u01b0\u1edfng. Tuy nhi\u00ean, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c v\u00e0 c\u1ea7n s\u1ef1 \u0111\u1ea7u t\u01b0 v\u1ec1 chi ph\u00ed v\u00e0 c\u00f4ng ngh\u1ec7. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7, h\u00ecnh \u1ea3nh nhi\u1ec7t h\u1ee9a h\u1eb9n s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong n\u00f4ng nghi\u1ec7p th\u00f4ng minh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y b\u1eb1ng h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng? Ph\u00e2n t\u00edch \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nhi\u1ec7t \u1ea3nh trong n\u00f4ng nghi\u1ec7p \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c b\u1ec7nh c\u00e2y tr\u1ed3ng.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y b\u1eb1ng h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng?<\/title>\n<meta name=\"description\" content=\"Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y b\u1eb1ng h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng? 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