{"id":7117,"date":"2025-01-19T16:58:13","date_gmt":"2025-01-19T15:58:13","guid":{"rendered":"https:\/\/itae.fr\/?p=7117"},"modified":"2025-07-18T09:40:34","modified_gmt":"2025-07-18T07:40:34","slug":"revealing-heartbeats-across-the-face","status":"publish","type":"post","link":"https:\/\/itae.fr\/index.php\/2025\/01\/19\/revealing-heartbeats-across-the-face\/","title":{"rendered":"Revealing Heartbeats Across the Face"},"content":{"rendered":"\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"300\" data-id=\"7118\" src=\"http:\/\/itae.fr\/wp-content\/uploads\/2025\/01\/output4.gif\" alt=\"\" class=\"wp-image-7118\"\/><\/figure>\n<\/figure>\n\n\n\n<p>Recently, we unveiled a fascinating capability: the detection of the subtle rhythm of heartbeats across the entire face. <br>In this analysis, we captured a 10-second video sequence of 800 frames (80 Hz). The integration time T is 12 ms. We calculated temporal speckle contrast using a sliding window of 50 frames.<br><br>A remarkable observation emerged: the cardiac cycle is evident in all regions of the face. <br>This experiment demonstrates the remarkable capability of dynamic speckle imaging to follow physiological dynamics in unprecedented detail. The spatial variability in microvascular dynamics could be a biomarker for regional physiological or pathological conditions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recently, we unveiled a fascinating capability: the detection of the subtle rhythm of heartbeats across the entire face. In this analysis, we captured a 10-second video sequence of 800 frames [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7168,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,5,6,10,52],"tags":[],"class_list":["post-7117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-research","category-general","category-videos","category-medical"],"_links":{"self":[{"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/posts\/7117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/comments?post=7117"}],"version-history":[{"count":2,"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/posts\/7117\/revisions"}],"predecessor-version":[{"id":7169,"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/posts\/7117\/revisions\/7169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/media\/7168"}],"wp:attachment":[{"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/media?parent=7117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/categories?post=7117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itae.fr\/index.php\/wp-json\/wp\/v2\/tags?post=7117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}