{"id":13642,"date":"2024-07-31T09:28:08","date_gmt":"2024-07-31T09:28:08","guid":{"rendered":"https:\/\/dailyai.com\/?p=13642"},"modified":"2024-07-31T17:50:03","modified_gmt":"2024-07-31T17:50:03","slug":"metas-sam-2-model-enables-accurate-video-segmentation-in-seconds","status":"publish","type":"post","link":"https:\/\/dailyai.com\/it\/2024\/07\/metas-sam-2-model-enables-accurate-video-segmentation-in-seconds\/","title":{"rendered":"Il modello SAM 2 di Meta consente una segmentazione video accurata in pochi secondi"},"content":{"rendered":"<p><b>La divisione di ricerca di Meta ha presentato SAM 2 (Segment Anything Model 2), un sistema di intelligenza artificiale che segna un enorme progresso nell'analisi dei video.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Questo nuovo modello espande le capacit\u00e0 di segmentazione delle immagini del suo predecessore SAM, avventurandosi nel dominio pi\u00f9 complesso dei video.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La segmentazione dei video - la capacit\u00e0 di identificare e tracciare oggetti specifici in una scena in movimento - \u00e8 da tempo una sfida per l'intelligenza artificiale.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mentre gli esseri umani possono seguire senza sforzo un'auto che si muove nel traffico o una persona che cammina tra la folla, i sistemi di intelligenza artificiale tendono a fare fatica.\u00a0<\/span>Questo \u00e8 un problema enorme per <a href=\"https:\/\/dailyai.com\/it\/2024\/07\/is-fear-the-key-the-building-more-adaptable-resilient-and-natural-ai-systems\/\">auto senza conducente<\/a> e altri veicoli autonomi (AV), che devono seguire gli oggetti 3D in movimento nei loro ambienti.<\/p>\n<p><a href=\"https:\/\/ai.meta.com\/research\/publications\/sam-2-segment-anything-in-images-and-videos\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">SAM 2<\/span><\/a><span style=\"font-weight: 400;\"> mira a colmare questo divario, avvicinando la comprensione dei video da parte dell'intelligenza artificiale alla percezione umana.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Il sistema \u00e8 in grado di identificare e tracciare virtualmente qualsiasi oggetto in un video con un input minimo da parte dell'utente, a volte anche con un solo clic. <\/span><span style=\"font-weight: 400;\">Questo apre un mondo di possibilit\u00e0 in campi che vanno dal montaggio cinematografico alla ricerca scientifica.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ecco come Meta ha creato e testato SAM 2:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Il team ha creato una tecnica chiamata Promptable Visual Segmentation (PVS), che consente agli utenti di guidare l'intelligenza artificiale con semplici indicazioni su qualsiasi fotogramma video. Ci\u00f2 significa che il sistema pu\u00f2 adattarsi a un'ampia gamma di scenari, dal seguire una persona specifica in mezzo alla folla al seguire il movimento delle ali di un uccello in volo.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hanno costruito un'architettura del modello che comprende componenti per l'elaborazione di singoli fotogrammi, la memorizzazione di informazioni sugli oggetti nel tempo e la generazione di segmentazioni precise. <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Un elemento chiave \u00e8 il modulo di memoria, che consente a SAM 2 di mantenere un tracciamento coerente anche quando gli oggetti scompaiono temporaneamente dalla vista.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c8 stato creato un nuovo enorme set di dati, contenente oltre 50.000 video e 35 milioni di fotogrammi etichettati, che supera i precedenti set di dati di segmentazione video. T<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Il suo set di dati, denominato SA-V, copre un ampio spettro di tipi di oggetti, dimensioni e scenari, migliorando la capacit\u00e0 del modello di generalizzarsi a nuove situazioni.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Il modello \u00e8 stato sottoposto a un addestramento e a test approfonditi su 17 diversi set di dati video, dalle riprese delle telecamere di bordo alle immagini mediche. <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SAM 2 ha superato lo stato dell'arte dei metodi esistenti in compiti di segmentazione di oggetti video semi-supervisionati, ottenendo un miglioramento medio di 7,5% nei punteggi J&amp;F (una metrica standard per la qualit\u00e0 della segmentazione).<\/span><\/li>\n<\/ol>\n<div style=\"width: 1024px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-13642-1\" width=\"1024\" height=\"1024\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/07\/An9rqhh8jLAD81wdPLApEcu-1Z2NzXx4_528PrvelbMmWVgTvtk8DgdwDHRYohgxxotkX_WENwyB-eegqi3EQXlQ.mp4?_=1\" \/><a href=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/07\/An9rqhh8jLAD81wdPLApEcu-1Z2NzXx4_528PrvelbMmWVgTvtk8DgdwDHRYohgxxotkX_WENwyB-eegqi3EQXlQ.mp4\">https:\/\/dailyai.com\/wp-content\/uploads\/2024\/07\/An9rqhh8jLAD81wdPLApEcu-1Z2NzXx4_528PrvelbMmWVgTvtk8DgdwDHRYohgxxotkX_WENwyB-eegqi3EQXlQ.mp4<\/a><\/video><\/div>\n<p><strong>Sopra<\/strong>: La segmentazione delle immagini per videoclip complessi segmenta forme diverse in pochi secondi.<\/p>\n<ul>\n<li class=\"whitespace-normal break-words\">Nella produzione cinematografica, SAM 2 potrebbe semplificare il lavoro sugli effetti visivi, risparmiando tempo in post-produzione.<\/li>\n<li class=\"whitespace-normal break-words\">Gli scienziati potrebbero seguire le cellule nelle riprese al microscopio o monitorare i cambiamenti ambientali nelle immagini satellitari.<\/li>\n<li class=\"whitespace-normal break-words\">Per gli AV, comprese le auto senza conducente, SAM 2 potrebbe migliorare il rilevamento degli oggetti in scenari di traffico complessi.<\/li>\n<li class=\"whitespace-normal break-words\">Gli ambientalisti potrebbero utilizzare il SAM 2 per monitorare le popolazioni di animali in vaste aree.<\/li>\n<li class=\"whitespace-normal break-words\">In AR\/VR, pu\u00f2 consentire interazioni pi\u00f9 accurate con gli oggetti virtuali in video live.<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Fedele all'impegno di Meta per la ricerca aperta, SAM 2 viene rilasciato come software open-source.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Questo include non solo il modello, ma anche il set di dati utilizzato per addestrarlo.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">I ricercatori stanno gi\u00e0 esplorando modi per gestire video pi\u00f9 lunghi, migliorare le prestazioni sui dettagli fini e ridurre la potenza di calcolo necessaria per eseguire il modello.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La maturazione della tecnologia di segmentazione delle immagini trasformer\u00e0 sicuramente il modo in cui interagiamo con i contenuti video e li analizziamo. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Rendendo pi\u00f9 accessibili complesse operazioni di editing e consentendo nuove forme di analisi visiva, SAM 2 si spinge oltre i confini della manipolazione visiva.\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>La divisione di ricerca di Meta ha presentato SAM 2 (Segment Anything Model 2), un sistema di intelligenza artificiale che segna un enorme progresso nell'analisi dei video. Questo nuovo modello espande le capacit\u00e0 di segmentazione delle immagini del suo predecessore SAM, avventurandosi nel dominio pi\u00f9 complesso dei video. La segmentazione dei video - la capacit\u00e0 di identificare e seguire oggetti specifici in una scena in movimento - \u00e8 da tempo una sfida per l'intelligenza artificiale.  Mentre gli esseri umani possono seguire senza sforzo un'auto che si muove nel traffico o una persona che cammina in mezzo alla folla, i sistemi di intelligenza artificiale tendono a fare fatica. Questo \u00e8 un problema enorme per le auto senza conducente e altri veicoli autonomi (AV),<\/p>","protected":false},"author":2,"featured_media":13644,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[105,131],"class_list":["post-13642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-machine-learning","tag-meta"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Meta&#039;s SAM 2 model enables accurate video segmentation in seconds | DailyAI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dailyai.com\/it\/2024\/07\/metas-sam-2-model-enables-accurate-video-segmentation-in-seconds\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Meta&#039;s SAM 2 model enables accurate video segmentation in seconds | DailyAI\" \/>\n<meta property=\"og:description\" content=\"Meta&#8217;s research division has introduced SAM 2 (Segment Anything Model 2), an AI system that marks a huge advancement in video analysis. This new model expands on its predecessor SAM\u2019s image segmentation skills, venturing into the more complex domain of video. Video segmentation &#8211; the ability to identify and track specific objects in a moving scene &#8211; has long been a challenge for AI.\u00a0 While humans can effortlessly follow a car as it moves through traffic or a person walking through a crowd, AI systems tend to struggle.\u00a0This is a massive problem for driverless cars and other autonomous vehicles (AVs),\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dailyai.com\/it\/2024\/07\/metas-sam-2-model-enables-accurate-video-segmentation-in-seconds\/\" \/>\n<meta property=\"og:site_name\" content=\"DailyAI\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-31T09:28:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-31T17:50:03+00:00\" \/>\n<meta property=\"og:image\" 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