{"id":857,"date":"2025-06-24T11:19:54","date_gmt":"2025-06-24T09:19:54","guid":{"rendered":"https:\/\/opi-test.univ-lemans.fr\/?p=857"},"modified":"2025-06-26T15:54:37","modified_gmt":"2025-06-26T13:54:37","slug":"passage-par-zero-du-laplacien","status":"publish","type":"post","link":"https:\/\/optique-ingenieur.org\/?p=857","title":{"rendered":"Passage par z\u00e9ro du Laplacien"},"content":{"rendered":"<h4>Auteur(s) :<\/h4>\n<p style=\"padding-left: 40px;\"><span style=\"color: #3b8dbd;\"><strong>Jean-Hugh THOMAS<\/strong><\/span> \u2013 ENSIM &#8211; Le Mans Universit\u00e9<\/p>\n<h4>Contexte :<\/h4>\n<p style=\"padding-left: 40px;\">L&rsquo;animation permet d&rsquo;\u00e9valuer l&rsquo;influence du seuil sur les contours obtenus apr\u00e8s calcul du Laplacien (en cliquant sur les diff\u00e9rents seuillages propos\u00e9s). Plus le seuil est faible, plus les contours sont bruit\u00e9s. Cette technique appara\u00eet clairement tr\u00e8s sensible au bruit.<\/p>\n<div class=\"wp-block-uagb-buttons uagb-buttons__outer-wrap uagb-btn__default-btn uagb-btn-tablet__default-btn uagb-btn-mobile__default-btn uagb-block-7cf61b02\">\n<div class=\"uagb-buttons__wrap uagb-buttons-layout-wrap \"> <\/div>\n<\/div>\n\n\n<iframe src=\"modules\/animations\/OPI_anim_M02C02A05_JHT.html\" width=100% height=\"400\" allow=\"fullscreen\"><\/iframe>\n","protected":false},"excerpt":{"rendered":"<p>Auteur(s) : Jean-Hugh THOMAS \u2013 ENSIM &#8211; Le Mans Universit\u00e9 Contexte : L&rsquo;animation permet d&rsquo;\u00e9valuer l&rsquo;influence du seuil sur les contours obtenus apr\u00e8s calcul du Laplacien (en cliquant sur les diff\u00e9rents seuillages propos\u00e9s). Plus&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":985,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-animations"],"uagb_featured_image_src":{"full":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien.jpg",959,446,false],"thumbnail":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien-150x150.jpg",150,150,true],"medium":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien-300x140.jpg",300,140,true],"medium_large":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien-768x357.jpg",768,357,true],"large":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien.jpg",959,446,false],"1536x1536":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien.jpg",959,446,false],"2048x2048":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien.jpg",959,446,false],"thumb-small":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien-80x80.jpg",80,80,true],"thumb-standard":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien-320x320.jpg",320,320,true],"thumb-medium":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien-520x245.jpg",520,245,true],"thumb-large":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien-720x340.jpg",720,340,true],"thumb-xlarge":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien.jpg",959,446,false],"thumb-xxlarge":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2025\/06\/laplacien.jpg",959,446,false]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/optique-ingenieur.org\/?author=1"},"uagb_comment_info":0,"uagb_excerpt":"Auteur(s) : Jean-Hugh THOMAS \u2013 ENSIM &#8211; Le Mans Universit\u00e9 Contexte : L&rsquo;animation permet d&rsquo;\u00e9valuer l&rsquo;influence du seuil sur les contours obtenus apr\u00e8s calcul du Laplacien (en cliquant sur les diff\u00e9rents seuillages propos\u00e9s). Plus&#46;&#46;&#46;","_links":{"self":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts\/857","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=857"}],"version-history":[{"count":10,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts\/857\/revisions"}],"predecessor-version":[{"id":984,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts\/857\/revisions\/984"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/media\/985"}],"wp:attachment":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}