{"id":478914,"date":"2023-08-09T09:40:12","date_gmt":"2023-08-09T09:40:12","guid":{"rendered":""},"modified":"2023-09-05T11:17:47","modified_gmt":"2023-09-05T11:17:47","slug":"self-supervised-learning","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/fr\/wiki\/self-supervised-learning\/","title":{"rendered":"Apprentissage auto-supervis\u00e9"},"content":{"rendered":"<p>L&#039;apprentissage auto-supervis\u00e9 est un type de paradigme d&#039;apprentissage automatique qui apprend \u00e0 pr\u00e9dire une partie des donn\u00e9es \u00e0 partir d&#039;autres parties des m\u00eames donn\u00e9es. Il s&#039;agit d&#039;un sous-ensemble d&#039;apprentissage non supervis\u00e9 qui ne n\u00e9cessite pas de r\u00e9ponses \u00e9tiquet\u00e9es pour former des mod\u00e8les. Les mod\u00e8les sont entra\u00een\u00e9s pour pr\u00e9dire une partie des donn\u00e9es en fonction d\u2019autres parties, en utilisant efficacement les donn\u00e9es elles-m\u00eames comme supervision.<\/p>\n<h2>L&#039;histoire de l&#039;origine de l&#039;apprentissage auto-supervis\u00e9 et sa premi\u00e8re mention<\/h2>\n<p>Le concept d\u2019apprentissage auto-supervis\u00e9 remonte \u00e0 l\u2019\u00e9mergence des techniques d\u2019apprentissage non supervis\u00e9 \u00e0 la fin du XXe si\u00e8cle. Il est n\u00e9 de la n\u00e9cessit\u00e9 d\u2019\u00e9liminer le processus long et co\u00fbteux d\u2019\u00e9tiquetage manuel. Le d\u00e9but des ann\u00e9es 2000 a \u00e9t\u00e9 t\u00e9moin d\u2019un int\u00e9r\u00eat croissant pour les m\u00e9thodes auto-supervis\u00e9es, les chercheurs explorant diverses techniques permettant d\u2019utiliser efficacement des donn\u00e9es non \u00e9tiquet\u00e9es.<\/p>\n<h2>Informations d\u00e9taill\u00e9es sur l&#039;apprentissage auto-supervis\u00e9\u00a0: \u00e9largir le sujet de l&#039;apprentissage auto-supervis\u00e9<\/h2>\n<p>L&#039;apprentissage auto-supervis\u00e9 repose sur l&#039;id\u00e9e que les donn\u00e9es elles-m\u00eames contiennent suffisamment d&#039;informations pour assurer la supervision de l&#039;apprentissage. En construisant une t\u00e2che d&#039;apprentissage \u00e0 partir des donn\u00e9es, les mod\u00e8les peuvent apprendre des repr\u00e9sentations, des mod\u00e8les et des structures. Il est devenu tr\u00e8s populaire dans des domaines tels que la vision par ordinateur, le traitement du langage naturel, etc.<\/p>\n<h3>M\u00e9thodes d\u2019apprentissage auto-supervis\u00e9<\/h3>\n<ul>\n<li><strong>Apprentissage contrast\u00e9<\/strong>: Apprend \u00e0 diff\u00e9rencier les paires similaires et dissemblables.<\/li>\n<li><strong>Mod\u00e8les autor\u00e9gressifs<\/strong>: pr\u00e9dit les parties suivantes des donn\u00e9es en fonction des parties pr\u00e9c\u00e9dentes.<\/li>\n<li><strong>Mod\u00e8les g\u00e9n\u00e9ratifs<\/strong>\u00a0: Cr\u00e9ation de nouvelles instances de donn\u00e9es qui ressemblent \u00e0 un ensemble donn\u00e9 d&#039;exemples de formation.<\/li>\n<\/ul>\n<h2>La structure interne de l\u2019apprentissage auto-supervis\u00e9\u00a0: comment fonctionne l\u2019apprentissage auto-supervis\u00e9<\/h2>\n<p>L&#039;apprentissage auto-supervis\u00e9 comprend trois \u00e9l\u00e9ments principaux\u00a0:<\/p>\n<ol>\n<li><strong>Pr\u00e9traitement des donn\u00e9es<\/strong>: S\u00e9gr\u00e9gation des donn\u00e9es en diff\u00e9rentes parties \u00e0 des fins de pr\u00e9diction.<\/li>\n<li><strong>Formation sur mod\u00e8le<\/strong>: Entra\u00eener le mod\u00e8le \u00e0 pr\u00e9dire une partie des autres.<\/li>\n<li><strong>R\u00e9glage fin<\/strong>: Utiliser les repr\u00e9sentations apprises pour les t\u00e2ches en aval.<\/li>\n<\/ol>\n<h2>Analyse des principales caract\u00e9ristiques de l&#039;apprentissage auto-supervis\u00e9<\/h2>\n<ul>\n<li><strong>Efficacit\u00e9 des donn\u00e9es<\/strong>: Utilise des donn\u00e9es non \u00e9tiquet\u00e9es, r\u00e9duisant ainsi les co\u00fbts.<\/li>\n<li><strong>Polyvalence<\/strong>: Applicable \u00e0 divers domaines.<\/li>\n<li><strong>Apprentissage par transfert<\/strong>: Encourage l\u2019apprentissage des repr\u00e9sentations qui se g\u00e9n\u00e9ralisent \u00e0 travers les t\u00e2ches.<\/li>\n<li><strong>Robustesse<\/strong>: Donne souvent des mod\u00e8les r\u00e9silients au bruit.<\/li>\n<\/ul>\n<h2>Types d&#039;apprentissage auto-supervis\u00e9\u00a0: utilisez des tableaux et des listes pour r\u00e9diger<\/h2>\n<table>\n<thead>\n<tr>\n<th>Taper<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Contrastif<\/td>\n<td>Fait la diff\u00e9rence entre les instances similaires et diff\u00e9rentes.<\/td>\n<\/tr>\n<tr>\n<td>Autor\u00e9gressif<\/td>\n<td>Pr\u00e9diction s\u00e9quentielle dans les donn\u00e9es de s\u00e9ries chronologiques.<\/td>\n<\/tr>\n<tr>\n<td>G\u00e9n\u00e9ratif<\/td>\n<td>G\u00e9n\u00e8re de nouvelles instances qui ressemblent aux donn\u00e9es d&#039;entra\u00eenement.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Fa\u00e7ons d&#039;utiliser l&#039;apprentissage auto-supervis\u00e9, probl\u00e8mes et leurs solutions li\u00e9es \u00e0 l&#039;utilisation<\/h2>\n<h3>Usage<\/h3>\n<ul>\n<li><strong>Apprentissage des fonctionnalit\u00e9s<\/strong>: Extraction de fonctionnalit\u00e9s significatives.<\/li>\n<li><strong>Mod\u00e8les de pr\u00e9-formation<\/strong>: Pour les t\u00e2ches supervis\u00e9es en aval.<\/li>\n<li><strong>Augmentation des donn\u00e9es<\/strong>: Am\u00e9lioration des ensembles de donn\u00e9es.<\/li>\n<\/ul>\n<h3>Probl\u00e8mes et solutions<\/h3>\n<ul>\n<li><strong>Surapprentissage<\/strong>: Les techniques de r\u00e9gularisation peuvent att\u00e9nuer le surajustement.<\/li>\n<li><strong>Co\u00fbts de calcul<\/strong>: Des mod\u00e8les efficaces et une acc\u00e9l\u00e9ration mat\u00e9rielle peuvent att\u00e9nuer les probl\u00e8mes de calcul.<\/li>\n<\/ul>\n<h2>Principales caract\u00e9ristiques et autres comparaisons avec des termes similaires<\/h2>\n<table>\n<thead>\n<tr>\n<th>Caract\u00e9ristiques<\/th>\n<th>Apprentissage auto-supervis\u00e9<\/th>\n<th>Enseignement supervis\u00e9<\/th>\n<th>Apprentissage non supervis\u00e9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u00c9tiquetage requis<\/td>\n<td>Non<\/td>\n<td>Oui<\/td>\n<td>Non<\/td>\n<\/tr>\n<tr>\n<td>Efficacit\u00e9 des donn\u00e9es<\/td>\n<td>Haut<\/td>\n<td>Faible<\/td>\n<td>Moyen<\/td>\n<\/tr>\n<tr>\n<td>Apprentissage par transfert<\/td>\n<td>Souvent<\/td>\n<td>Parfois<\/td>\n<td>Rarement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Perspectives et technologies du futur li\u00e9es \u00e0 l&#039;apprentissage auto-supervis\u00e9<\/h2>\n<p>Les d\u00e9veloppements futurs en mati\u00e8re d\u2019apprentissage auto-supervis\u00e9 incluent des algorithmes plus efficaces, l\u2019int\u00e9gration avec d\u2019autres paradigmes d\u2019apprentissage, des techniques am\u00e9lior\u00e9es d\u2019apprentissage par transfert et des applications \u00e0 des domaines plus larges comme la robotique et la m\u00e9decine.<\/p>\n<h2>Comment les serveurs proxy peuvent \u00eatre utilis\u00e9s ou associ\u00e9s \u00e0 l&#039;apprentissage auto-supervis\u00e9<\/h2>\n<p>Les serveurs proxy comme ceux fournis par OneProxy peuvent faciliter l&#039;apprentissage auto-supervis\u00e9 de diverses mani\u00e8res. Ils permettent une r\u00e9cup\u00e9ration de donn\u00e9es s\u00e9curis\u00e9e et efficace \u00e0 partir de diverses sources en ligne, permettant ainsi la collecte de grandes quantit\u00e9s de donn\u00e9es non \u00e9tiquet\u00e9es n\u00e9cessaires \u00e0 l&#039;apprentissage auto-supervis\u00e9. En outre, ils peuvent faciliter la formation distribu\u00e9e de mod\u00e8les dans diff\u00e9rentes r\u00e9gions.<\/p>\n<h2>Liens connexes<\/h2>\n<ul>\n<li><a href=\"https:\/\/deepmind.com\/blog\" target=\"_new\" rel=\"noopener nofollow\">Blog de DeepMind sur l&#039;apprentissage auto-supervis\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/openai.com\/research\" target=\"_new\" rel=\"noopener nofollow\">Recherche d&#039;OpenAI sur l&#039;apprentissage auto-supervis\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/yann.lecun.com\" target=\"_new\" rel=\"noopener nofollow\">Les travaux de Yann LeCun sur l&#039;apprentissage auto-supervis\u00e9<\/a><\/li>\n<\/ul>\n<p>Cet article est sponsoris\u00e9 par <a href=\"https:\/\/oneproxy.pro\/fr\/\" target=\"_new\" rel=\"noopener\">OneProxy<\/a>, fournissant des serveurs proxy de premier ordre pour vos besoins ax\u00e9s sur les donn\u00e9es.<\/p>","protected":false},"featured_media":470447,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478914","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Self-supervised Learning<\/mark>","faq_items":[{"question":"What is Self-supervised Learning?","answer":"<p>Self-supervised learning is a machine learning approach that uses the data itself as supervision. It's a subset of unsupervised learning where models are trained to predict part of the data from other parts of the same data, without needing manually labeled responses.<\/p>"},{"question":"What is the History of Self-supervised Learning?","answer":"<p>Self-supervised learning originated from the need to bypass the expensive process of manual labeling. It traces back to the emergence of unsupervised learning techniques in the late 20th century, with significant growth in interest and application in the early 2000s.<\/p>"},{"question":"How Does Self-supervised Learning Work?","answer":"<p>Self-supervised learning works by dividing data into parts and training a model to predict one part from the others. It includes data preprocessing, model training, and fine-tuning the learned representations for specific tasks.<\/p>"},{"question":"What Are the Key Features of Self-supervised Learning?","answer":"<p>The key features include data efficiency by utilizing unlabeled data, versatility across various domains, enabling transfer learning, and robustness to noise.<\/p>"},{"question":"What Types of Self-supervised Learning Exist?","answer":"<p>There are various types, including Contrastive learning, which differentiates similar and dissimilar instances; Autoregressive models, which make sequential predictions; and Generative models that create new instances resembling the training data.<\/p>"},{"question":"How Can Self-supervised Learning Be Used, and What Are the Related Problems?","answer":"<p>It can be used for feature learning, pretraining models, and data augmentation. Problems may include overfitting and computational costs, with solutions such as regularization techniques and hardware acceleration.<\/p>"},{"question":"How Does Self-supervised Learning Compare with Other Learning Methods?","answer":"<p>Self-supervised learning does not require labeling, offers high data efficiency, and often supports transfer learning, compared to supervised learning, which requires labeling, and unsupervised learning, which has medium data efficiency.<\/p>"},{"question":"What Are the Future Perspectives of Self-supervised Learning?","answer":"<p>The future may see more efficient algorithms, integration with other learning paradigms, improved transfer learning techniques, and broader applications, including robotics and medicine.<\/p>"},{"question":"How Can Proxy Servers Like OneProxy Be Associated with Self-supervised Learning?","answer":"<p>Proxy servers like OneProxy can facilitate self-supervised learning by enabling secure and efficient data scraping, allowing the collection of vast amounts of unlabeled data, and aiding in distributed training of models across different regions.<\/p>"},{"question":"Where Can I Find More Information About Self-supervised Learning?","answer":"<p>You can find more information through various research blogs and institutions such as <a href=\"https:\/\/deepmind.com\/blog\" target=\"_new\">DeepMind's Blog on Self-supervised Learning<\/a>, <a href=\"https:\/\/openai.com\/research\" target=\"_new\">OpenAI's Research on Self-supervised Learning<\/a>, and <a href=\"https:\/\/yann.lecun.com\" target=\"_new\">Yann LeCun's work on Self-supervised Learning<\/a>.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/wiki\/478914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/wiki\/478914\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/media\/470447"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/media?parent=478914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}