{"id":105694,"date":"2022-11-24T09:36:49","date_gmt":"2022-11-24T07:36:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlena-sistema-sinteza-izobrazhenij-stable-diffusion-2-0"},"modified":"2022-11-24T09:36:49","modified_gmt":"2022-11-24T07:36:54","slug":"predstavlena-sistema-sinteza-izobrazhenij-stable-diffusion-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/predstavlena-sistema-sinteza-izobrazhenij-stable-diffusion-2-0","title":{"rendered":"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'azienda Stability AI ha pubblicato la seconda edizione del sistema di apprendimento automatico Stable Diffusion, capace di sintetizzare e modificare immagini basate su un modello fornito o descrizioni testuali in linguaggio naturale. Il codice degli strumenti per l'addestramento della rete neurale e la generazione di immagini \u00e8 scritto in Python utilizzando il framework PyTorch ed \u00e8 pubblicato sotto licenza MIT. I modelli gi\u00e0 addestrati sono resi disponibili con una licenza permissiva Creative ML OpenRAIL-M, che consente l'uso a scopi commerciali. Inoltre, \u00e8 disponibile un generatore di immagini online in modalit\u00e0 dimostrativa.      <\/p>\n<p>Miglioramenti chiave nella nuova edizione di Stable Diffusion:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stato creato un nuovo modello di sintesi delle immagini a partire da descrizioni testuali \u2014 SD2.0-v, che supporta la generazione di immagini con risoluzione 768\u00d7768. Il nuovo modello \u00e8 stato addestrato utilizzando la collezione LAION-5B, che include 5,85 miliardi di immagini con descrizioni testuali. Il modello utilizza lo stesso insieme di parametri del modello Stable Diffusion 1.5, ma si distingue per l'adozione di un codificatore fondamentalmente diverso, OpenCLIP-ViT\/H, che ha consentito un notevole miglioramento della qualit\u00e0 delle immagini generate.       <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/376594e9f459cfa3a235f732a3e948ea.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> \u00c8 stata preparata una versione semplificata di SD2.0-base, addestrata su immagini 256\u00d7256 utilizzando un classico modello di previsione del rumore e che supporta la generazione di immagini con risoluzione 512\u00d7512.    <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/ffa444ca643e00226e0f771c30c65fb1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> \u00c8 stata fornita la possibilit\u00e0 di utilizzare la tecnologia di super campionamento (Super Resolution) per aumentare la risoluzione dell'immagine originale senza perdere qualit\u00e0, utilizzando algoritmi di ridimensionamento spaziale e ricostruzione dei dettagli. Il modello di elaborazione delle immagini fornito (SD20-upscaler) supporta un ingrandimento quadr quadruplo, permettendo di generare immagini con risoluzione 2048\u00d72048.    <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/a915c3fd0eb074d8e5597c2706251166.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> \u00c8 stato proposto il modello SD2.0-depth2img, che considera la profondit\u00e0 e la disposizione spaziale degli oggetti. Per la valutazione monoculare della profondit\u00e0 si utilizza il sistema MiDaS. Il modello consente di sintetizzare nuove immagini, utilizzando un'altra immagine come template, che possono differire radicalmente dall'originale, ma mantenere la composizione generale e la profondit\u00e0. Ad esempio, \u00e8 possibile utilizzare la posa di una persona in una fotografia per formare un altro personaggio nella stessa posa.    <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/41f7f241529c5834cd228286a921d640.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>  <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/9ebecbc110c12e6fa018f7d397d65054.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/7680df01fe2a44a8c6d21002e784e01d.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Modello aggiornato per la modifica delle immagini \u2014 SD 2.0-inpainting, che consente di sostituire e modificare parti dell'immagine utilizzando suggerimenti testuali.    <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/38291c883b211d77bb924bbb4d740829.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Ottimizzazione dei modelli per l'utilizzo su sistemi standard con una sola GPU.      <\/ul>\n<p>        <center><img decoding=\"async\" alt=\"Presentato il sistema di sintesi delle immagini Stable Diffusion 2.0.\" src=\"\/wp-content\/uploads\/2022\/11\/b80b3978daa9b333b5a637c0fa544e76.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58184\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Stability AI \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u0442\u043e\u0440\u0443\u044e \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f Stable Diffusion, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0439 \u0441\u0438\u043d\u0442\u0435\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438 \u0438\u0437\u043c\u0435\u043d\u044f\u0442\u044c \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0448\u0430\u0431\u043b\u043e\u043d\u0430 \u0438\u043b\u0438 \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u0433\u043e \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u043d\u0430 \u0435\u0441\u0442\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u043c \u044f\u0437\u044b\u043a\u0435. \u041a\u043e\u0434 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f \u043d\u0435\u0439\u0440\u043e\u043d\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 \u0438 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Python \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 PyTorch \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u0423\u0436\u0435 \u043e\u0431\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u043c\u043e\u0434\u0435\u043b\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u044b \u043f\u043e\u0434 \u043f\u0435\u0440\u043c\u0438\u0441\u0441\u0438\u0432\u043d\u043e\u0439 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105695,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Stability AI \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u0442\u043e\u0440\u0443\u044e \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e 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