{"id":26431,"date":"2021-01-25T20:13:22","date_gmt":"2021-01-25T13:13:22","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=26431"},"modified":"2021-01-25T20:13:26","modified_gmt":"2021-01-25T13:13:26","slug":"cong-nghe-phat-hien-sau-rang-som","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cong-nghe-phat-hien-sau-rang-som\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n s\u00e2u r\u0103ng s\u1edbm"},"content":{"rendered":"\n

Khoa K\u1ef9 thu\u1eadt Y sinh, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Qu\u1ed1c t\u1ebf TPHCM \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng m\u00e1y ph\u00e1t hi\u1ec7n s\u00e2u r\u0103ng s\u1edbm, \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 \u00e1nh s\u00e1ng c\u1eadn h\u1ed3ng ngo\u1ea1i (NIR)<\/strong><\/h2>\n\n\n\n

M\u00e1y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian so v\u1edbi c\u00e1ch truy\u1ec1n th\u1ed1ng v\u00e0 an to\u00e0n h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ch\u1ee5p X-quang. M\u00e1y ph\u00e1t hi\u1ec7n<\/a> s\u00e2u r\u0103ng s\u1edbm c\u1ee7a Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Qu\u1ed1c t\u1ebf TPHCM \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, d\u1ea1ng c\u1ea7m tay, g\u1ed3m m\u00e0n h\u00ecnh LCD, b\u1ed9 vi x\u1eed l\u00fd Raspberry, camera h\u1ed3ng ngo\u1ea1i, b\u1ed9 ngu\u1ed3n, m\u1ea1ch LED. Nh\u1edd k\u1ef9 thu\u1eadt kh\u00f4ng x\u00e2m l\u1ea5n v\u00e0 ch\u1ee5p \u1ea3nh th\u1eddi gian th\u1ef1c c\u1ee7a c\u00f4ng ngh\u1ec7 NIR, m\u00e1y do nh\u00f3m nghi\u00ean c\u1ee9u cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cao trong vi\u1ec7c ph\u00e1t hi\u1ec7n s\u00e2u r\u0103ng \u1edf giai \u0111o\u1ea1n s\u1edbm. \u0110\u1ed3ng th\u1eddi, ti\u1ebft ki\u1ec7m th\u1eddi gian so v\u1edbi c\u00e1ch truy\u1ec1n th\u1ed1ng (b\u1eb1ng m\u1eaft th\u01b0\u1eddng, \u0111\u00e8n soi \u0111\u01a1n gi\u1ea3n) v\u00e0 an to\u00e0n h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ch\u1ee5p X-quang (h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ea5t ph\u00f3ng x\u1ea1 khi ph\u1ea3i ch\u1ee5p X-quang nhi\u1ec1u l\u1ea7n).<\/p>\n\n\n\n

Theo \u0111\u00f3, r\u0103ng \u0111\u01b0\u1ee3c ch\u1ee5p b\u1eb1ng \u00e1nh s\u00e1ng NIR t\u1eeb 2 \u0111\u00e8n led c\u00f3 b\u01b0\u1edbc s\u00f3ng 780nm. Sau \u0111\u00f3, chuy\u1ec3n h\u00ecnh \u1ea3nh b\u1ed9 x\u1eed l\u00fd Raspberry Pi, \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 l\u1ecdc h\u00ecnh \u1ea3nh. H\u00ecnh \u1ea3nh sau khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb l\u00ean m\u00e0n h\u00ecnh LCD (5 inches, c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i 800 x 480Px). C\u00e1c b\u00e1c s\u0129 c\u00f3 th\u1ec3 l\u01b0u tr\u1eef l\u1ea1i h\u00ecnh \u1ea3nh tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 theo d\u00f5i t\u00ecnh h\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a s\u00e2u r\u0103ng v\u00e0 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u tr\u1ecb. V\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, thi\u1ebft b\u1ecb r\u1ea5t thu\u1eadn ti\u1ec7n \u0111\u1ec3 s\u1eed d\u1ee5ng, mang theo v\u00e0 gi\u00fap b\u00e1c s\u0129 c\u00f3 th\u1ec3 chia s\u1ebb qu\u00e1 tr\u00ecnh ch\u1ea9n \u0111o\u00e1n v\u1edbi b\u1ec7nh nh\u00e2n. M\u00e1y cho h\u00ecnh \u1ea3nh ch\u00ednh x\u00e1c, r\u00f5 n\u00e9t, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Ngo\u00e0i ra, do \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc n\u00ean m\u00e1y c\u00f3 gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n kho\u1ea3ng 20 tri\u1ec7u \u0111\u1ed3ng\/c\u00e1i so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u1eadp ngo\u1ea1i (c\u00f3 gi\u00e1 kho\u1ea3ng 3.000USD).<\/p>\n\n\n\n

ngu\u1ed3n: khoahocdoisong.vn<\/p>\n","protected":false},"excerpt":{"rendered":"

Khoa K\u1ef9 thu\u1eadt Y sinh, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Qu\u1ed1c t\u1ebf TPHCM \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng m\u00e1y ph\u00e1t hi\u1ec7n s\u00e2u r\u0103ng s\u1edbm, \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 \u00e1nh s\u00e1ng c\u1eadn h\u1ed3ng ngo\u1ea1i (NIR) M\u00e1y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian so v\u1edbi c\u00e1ch truy\u1ec1n th\u1ed1ng v\u00e0 an to\u00e0n h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ch\u1ee5p […]<\/p>\n","protected":false},"author":23,"featured_media":26432,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26431"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26431\/revisions"}],"predecessor-version":[{"id":26588,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26431\/revisions\/26588"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26432"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}