{"id":861,"date":"2023-08-31T20:23:14","date_gmt":"2023-08-31T18:23:14","guid":{"rendered":"https:\/\/gechter.org\/blog\/?p=861"},"modified":"2023-09-01T08:56:17","modified_gmt":"2023-09-01T06:56:17","slug":"writever-aout-29-couche-cachee","status":"publish","type":"post","link":"https:\/\/gechter.org\/blog\/?p=861","title":{"rendered":"Writever ao\u00fbt &#8211; 29 &#8211; Couche cach\u00e9e"},"content":{"rendered":"\n<p>Vous allez me dire \u00ab\u00a0Couche cach\u00e9e ? Qu&rsquo;est-ce que c&rsquo;est que ce terme barbare ? <br>Histoire qu&rsquo;on parte sur de bonnes bases, je vais vous donner la d\u00e9finition que j&rsquo;ai trouv\u00e9e sur le site Datafranca.org, un wiki lexical se pr\u00e9sentant comme une alternative \u00e0 Wiktionnaire.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-background is-layout-flow wp-block-quote-is-layout-flow\" style=\"background-color:#f5f6ee\">\n<p><em>Couche cach\u00e9e : Couche synth\u00e9tique d&rsquo;un r\u00e9seau de neurones entre la couche d&rsquo;entr\u00e9e (les&nbsp;<strong><a href=\"https:\/\/datafranca.org\/wiki\/Caract%C3%A9ristiques\">caract\u00e9ristiques<\/a>)<\/strong>&nbsp;et la couche de sortie (la&nbsp;<strong><a href=\"https:\/\/datafranca.org\/wiki\/Pr%C3%A9diction\">pr\u00e9diction<\/a><\/strong>)<strong>.<\/strong>&nbsp;La seconde couche est une couche&nbsp;cach\u00e9e, en ce sens qu&rsquo;elle n&rsquo;a qu&rsquo;une utilit\u00e9 intrins\u00e8que pour le r\u00e9seau de neurones et n&rsquo;a pas de contact direct avec l&rsquo;ext\u00e9rieur. Les fonctions d&rsquo;activations sont en g\u00e9n\u00e9ral non lin\u00e9aires sur cette couche mais il n&rsquo;y a pas de r\u00e8gle \u00e0 respecter.&nbsp;Un r\u00e9seau de neurones se compose d&rsquo;une ou plusieurs couches cach\u00e9es.<\/em><\/p>\n<cite><a href=\"https:\/\/datafranca.org\/wiki\/Couche_cach\u00e9e\">Source : datafranca.org<\/a><\/cite><\/blockquote>\n\n\n\n<p>Vous remarquerez comme moi que le sujet n&rsquo;est pas franchement marrant. On va quand m\u00eame essayer d&rsquo;en faire quelque chose\u2026 Et non, je ne parlerai pas de couches culottes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-nv-light-bg-background-color has-background\">La grosse boule \u00e9tait tomb\u00e9e du grand plafond de glace. Trois-tentacules-vibrant-dans-l-onde l&rsquo;avait vue de son radar vu. La chose avait explos\u00e9 sous la pression de l&rsquo;oc\u00e9an. Triple-tentacules saisit l&rsquo;objet entre ses mandibules avec une crainte respectueuse. C&rsquo;\u00e9tait le troisi\u00e8me en quelques cycles de sommeil seulement. Le sorcier Fumeroles-des-hauts-fonds saurait dire s&rsquo;il s&rsquo;agissait d&rsquo;un message venu du supra-monde, au-del\u00e0 des glaces. Il fallait esp\u00e9rer que \u00e7a ne soit pas un mauvais pr\u00e9sage.<br><br>Trois mille m\u00e8tres plus haut, sur la banquise infinie d&rsquo;Europe, l&rsquo;exp\u00e9dition humaine ne put que constater la perte de son troisi\u00e8me drone foreur de la semaine. Des centaines de millions d&rsquo;euros avait sombr\u00e9 dans l&rsquo;immense oc\u00e9an plan\u00e9taire. La couche cach\u00e9e du satellite de Jupiter gardait encore son myst\u00e8re.<\/p>\n\n\n\n<p><em>Writever ao\u00fbt 2023 &#8211; 29 &#8211; Couche cach\u00e9e &#8211; Olivier Gechter<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Punaise, j&rsquo;ai ador\u00e9. Il y a de l&rsquo;ambiance, des personnages, un univers ! Ca donne envie d&rsquo;\u00e9crire un roman, vous ne croyez pas ? <br>Prochains mots : \u00ab\u00a0Cha\u00eene de Markov\u00a0\u00bb. Je pense que Ketty veut notre mort \u00e0 tous. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vous allez me dire \u00ab\u00a0Couche cach\u00e9e ? Qu&rsquo;est-ce que c&rsquo;est que ce terme barbare ? Histoire qu&rsquo;on parte sur de bonnes bases, je vais vous donner la d\u00e9finition que j&rsquo;ai trouv\u00e9e sur le site Datafranca.org, un wiki lexical se pr\u00e9sentant comme une alternative \u00e0 Wiktionnaire. Couche cach\u00e9e : Couche synth\u00e9tique d&rsquo;un r\u00e9seau de neurones entre&hellip;&nbsp;<a href=\"https:\/\/gechter.org\/blog\/?p=861\" class=\"\" rel=\"bookmark\">Lire la suite &raquo;<span class=\"screen-reader-text\">Writever ao\u00fbt &#8211; 29 &#8211; Couche cach\u00e9e<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":865,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[17,24],"tags":[23,22],"class_list":["post-861","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publications","category-textes-offerts","tag-micronouvelle","tag-writever"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/gechter.org\/blog\/wp-content\/uploads\/2023\/08\/Europa-moon.jpg?fit=913%2C913&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/861","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=861"}],"version-history":[{"count":4,"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/861\/revisions"}],"predecessor-version":[{"id":869,"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/861\/revisions\/869"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=\/wp\/v2\/media\/865"}],"wp:attachment":[{"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gechter.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}