{"id":2329,"date":"2021-04-21T10:17:19","date_gmt":"2021-04-21T10:17:19","guid":{"rendered":"http:\/\/techgoggler.com\/it\/?p=2329"},"modified":"2022-11-15T16:09:56","modified_gmt":"2022-11-15T16:09:56","slug":"eliminare-gli-artefatti-jpeg-in-photoshop","status":"publish","type":"post","link":"https:\/\/techgoggler.com\/it\/eliminare-gli-artefatti-jpeg-in-photoshop\/","title":{"rendered":"Eliminare gli artefatti jpeg in Photoshop"},"content":{"rendered":"<p><strong>Eliminare artefatti jpeg in Photoshop<\/strong>: sfocature, macchie e pixelature sono difetti propri della compressione JPEG, ma i <strong>Neural filters<\/strong> di <strong>Photoshop 2021<\/strong> ci possono venire in aiuto per eliminarli.<\/p>\n<p>Gli artefatti JPEG sono delle imperfezioni dovute alla compressione (con perdita) che il formato JPEG applica automaticamente per ridurre il peso del file.<\/p>\n<p>Gli artefatti JPEG si evidenziano quando l&#8217;immagine \u00e8 ingrandita.<\/p>\n<p>Il problema degli artefatti spesso accade non per un solo salvataggio, ma a causa di pi\u00f9 salvataggi dello stesso file jpeg.<\/p>\n<p>Ogni volta che salviamo un&#8217;immagine in formato jpeg, quest&#8217;ultima diventa pi\u00f9 leggera, ma perde informazioni e aumentano pure le sue imperfezioni: <strong>sfocature<\/strong>, <strong>effetto pixel<\/strong>, piccole <strong>macchie<\/strong>. Tutte queste imperfezioni sono gli <strong>artefatti<\/strong>.<\/p>\n<p>Per migliorare quindi gli artefatti JPEG dobbiamo usare Photoshop 2021.<\/p>\n<p>L&#8217;effetto finale \u00e8 molto professionale ed in taluni casi sorprendente, sicuramente un <strong>filtro professionale<\/strong> da usare per il web e per migliorare la qualit\u00e0 di stampa.<\/p>\n<hr>\n<h2>Procedura per eliminare artefatti jpeg in photoshop<\/h2>\n<ul>\n<li>Aprire il file.<\/li>\n<li>Andare nel men\u00f9 filtri: Neural Filters.<\/li>\n<li>Scegliere il filtro Rimozione artefatti Jpeg.<\/li>\n<li>Applicare il filtro Rimozione artefatti Jpeg, scegliendo il grado di <strong>intensit\u00e0<\/strong>: bassa, media, alta.<\/li>\n<li>Prima di uscire dal filtro nella parte in basso (<strong>vedi freccia rossa nella foto sottostante<\/strong>) tramite le opzioni di <strong>output<\/strong> scegliere dove il filtro deve essere applicato: livello attuale, livello duplicato, livello duplicato mascherato, nuovo livello, filtro avanzato&#8230;<\/li>\n<\/ul>\n<p><a href=\"http:\/\/techgoggler.com\/it\/wp-content\/uploads\/sites\/2\/2021\/04\/Hd-filtro-artefatto.-1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/techgoggler.com\/it\/wp-content\/uploads\/sites\/2\/2021\/04\/Hd-filtro-artefatto.-1.jpg\" alt=\"\" width=\"777\" height=\"433\" class=\"alignnone size-full wp-image-2331\" srcset=\"https:\/\/techgoggler.com\/it\/wp-content\/uploads\/sites\/2\/2021\/04\/Hd-filtro-artefatto.-1.jpg 777w, https:\/\/techgoggler.com\/it\/wp-content\/uploads\/sites\/2\/2021\/04\/Hd-filtro-artefatto.-1-300x167.jpg 300w, https:\/\/techgoggler.com\/it\/wp-content\/uploads\/sites\/2\/2021\/04\/Hd-filtro-artefatto.-1-768x428.jpg 768w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/a><\/p>\n<p>Se abbiamo scelto output\/nuovo livello Adobe Photoshop crea automaticamente un nuovo livello evidenziando le zone di applicazione del filtro (vedi immagine iniziale).<\/p>\n<p><strong>Eliminare artefatti jpeg in photoshop?: i Neural filters di Photoshop 2021 ci vengono in aiuto!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Come usare i Neural filters di Photoshop 2021 per eliminare gli artefatti nelle immagini jpeg <a class=\"mh-excerpt-more\" href=\"https:\/\/techgoggler.com\/it\/eliminare-gli-artefatti-jpeg-in-photoshop\/\" title=\"Eliminare gli artefatti jpeg in Photoshop\"><\/a><\/p>\n<\/div>","protected":false},"author":2,"featured_media":2330,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[116],"tags":[215,72],"class_list":{"0":"post-2329","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-informatica","8":"tag-learning","9":"tag-software"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - 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