{"id":323611,"date":"2026-08-07T17:26:05","date_gmt":"2026-08-07T17:26:05","guid":{"rendered":"https:\/\/blog.skylum.com\/jak-zvetsit-obrazek-v-programu-photoshop-bez-ztraty-kvality\/"},"modified":"2026-08-15T04:50:17","modified_gmt":"2026-08-15T04:50:17","slug":"how-to-upscale-an-image-in-photoshop","status":"publish","type":"post","link":"https:\/\/blog.skylum.com\/cs\/how-to-upscale-an-image-in-photoshop\/","title":{"rendered":"Jak zv\u011bt\u0161it obr\u00e1zek v programu Photoshop bez ztr\u00e1ty kvality"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">P\u0159i zv\u011bt\u0161ov\u00e1n\u00ed mal\u00e9 fotografie na velikost pro tisk nebo na v\u011bt\u0161\u00ed pl\u00e1tno se d\u0159\u00edve muselo po\u010d\u00edtat s ur\u010dit\u00fdm rozmaz\u00e1n\u00edm jako s nevyhnutelnou sou\u010d\u00e1st\u00ed procesu. Nov\u011bj\u0161\u00ed n\u00e1stroje um\u011bl\u00e9 inteligence v programu Photoshop nam\u00edsto obvykl\u00e9ho rozta\u017een\u00ed stejn\u00fdch pixel\u016f na v\u011bt\u0161\u00ed pl\u00e1tno analyzuj\u00ed obr\u00e1zek a dopl\u0148uj\u00ed texturu a okraje. Tento pr\u016fvodce v\u00e1s provede t\u00edm, jak tento proces funguje, kter\u00e9 verze programu Photoshop jej podporuj\u00ed a jak pomoc\u00ed um\u011bl\u00e9 inteligence v programu Photoshop zv\u011bt\u0161it star\u00fd sken nebo p\u0159ipravit malou grafiku k tisku tak, abyste dos\u00e1hli \u010dist\u00e9ho v\u00fdsledku.<\/p>\n\n<p class=\"wp-block-paragraph\"><em>Nechce se v\u00e1m \u010d\u00edst cel\u00fd podrobn\u00fd popis? N\u00ed\u017ee jsme pro v\u00e1s p\u0159ipravili stru\u010dn\u00e9 shrnut\u00ed.<\/em><\/p>\n\n<p class=\"important-text wp-block-paragraph\">Kl\u00ed\u010dov\u00e9 poznatky<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Technologie upscalingu nov\u00e9 generace:<\/strong> Nov\u00e1 funkce Generative Upscale, dostupn\u00e1 exkluzivn\u011b v aplikaci Photoshop 2026 (verze 27.0), obch\u00e1z\u00ed tradi\u010dn\u00ed interpolaci pixel\u016f. <\/li>\n\n\n\n<li><strong>Alternativn\u00ed mo\u017enosti pro star\u0161\u00ed verze:<\/strong> U\u017eivatel\u00e9, kte\u0159\u00ed je\u0161t\u011b neprovedli aktualizaci na verzi 2026, mohou obr\u00e1zky i nad\u00e1le zv\u011bt\u0161ovat pomoc\u00ed funkce Super Resolution v Camera Raw, kter\u00e1 vyu\u017e\u00edv\u00e1 standardn\u00ed strojov\u00e9 u\u010den\u00ed k dvojn\u00e1sobn\u00e9mu zv\u011bt\u0161en\u00ed. Alternativn\u011b mohou pluginy t\u0159et\u00edch stran, jako je Luminar Neo, p\u0159in\u00e9st upscaling pomoc\u00ed um\u011bl\u00e9 inteligence p\u0159\u00edmo do star\u0161\u00edch pracovn\u00edch prost\u0159ed\u00ed aplikace Photoshop.<\/li>\n\n\n\n<li><strong>P\u0159\u00edprava souboru:<\/strong> P\u0159ed spu\u0161t\u011bn\u00edm n\u00e1stroje zkontrolujte, zda je soubor v re\u017eimu RGB (8 nebo 16 bit\u016f na kan\u00e1l), a prove\u010fte z\u00e1kladn\u00ed redukci \u0161umu a korekci barev, abyste zabr\u00e1nili zv\u011bt\u0161en\u00ed zrnitosti a artefakt\u016f.<\/li>\n\n\n\n<li><strong>V\u00fdb\u011br modelu je d\u016fle\u017eit\u00fd:<\/strong> Tento n\u00e1stroj nab\u00edz\u00ed konkr\u00e9tn\u00ed modely p\u0159izp\u016fsoben\u00e9 r\u016fzn\u00fdm t\u00e9mat\u016fm. Pro venkovn\u00ed scen\u00e9rie a zele\u0148 pou\u017eijte Firefly Upscaler, pro p\u0159esn\u00e9 portr\u00e9ty Topaz Gigapixel s p\u0159ep\u00edna\u010dem \u201eFace Recovery\u201c a pro stylizovan\u00e9, interpretativn\u00ed v\u00fdsledky posuvn\u00edk \u201eCreativity\u201c v Topaz Bloom.<\/li>\n\n\n\n<li><strong>Spr\u00e1va kredit\u016f a testov\u00e1n\u00ed:<\/strong> Vzhledem k tomu, \u017ee generov\u00e1n\u00ed nov\u00fdch detail\u016f zab\u00edr\u00e1 v\u00fdpo\u010detn\u00ed \u010das a spot\u0159ebov\u00e1v\u00e1 generativn\u00ed kredity Adobe, doporu\u010duje se nejprve prov\u00e9st test s 2x zv\u011bt\u0161en\u00edm na jedin\u00e9m obr\u00e1zku, ne\u017e se pust\u00edte do n\u00e1ro\u010dn\u00e9ho d\u00e1vkov\u00e9ho zpracov\u00e1n\u00ed s 4x zv\u011bt\u0161en\u00edm.<\/li>\n\n\n\n<li><strong>Neni\u010d\u00edc\u00ed postup porovn\u00e1n\u00ed:<\/strong> Photoshop bezpe\u010dn\u011b zachov\u00e1v\u00e1 v\u00e1\u0161 p\u016fvodn\u00ed soubor t\u00edm, \u017ee v\u00fdsledek zv\u011bt\u0161en\u00ed ulo\u017e\u00ed do zcela nov\u00e9ho dokumentu. Tento nov\u00fd soubor obsahuje jak standardn\u00ed vrstvu se zv\u011bt\u0161en\u00fdm obr\u00e1zkem, tak generativn\u00ed vrstvu s detaily, co\u017e editor\u016fm umo\u017e\u0148uje snadno p\u0159ep\u00ednat viditelnost a prohl\u00ed\u017eet si \u00fapravy proveden\u00e9 um\u011blou inteligenc\u00ed.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Jak porozum\u011bt generativn\u00edmu zv\u011bt\u0161en\u00ed v programu Photoshop   <\/h2>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"761\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/understanding-generative-upscale-in-photoshop.png\" alt=\"Velikost fotografie v programu Photoshop | N&#xE1;vod od Skylum\" class=\"wp-image-322367\" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/understanding-generative-upscale-in-photoshop.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/understanding-generative-upscale-in-photoshop-768x487.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/understanding-generative-upscale-in-photoshop-508x322.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/understanding-generative-upscale-in-photoshop-700x444.png 700w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Pokud v\u00e1s zaj\u00edm\u00e1, zda dok\u00e1\u017ee Photoshop AI zv\u011bt\u0161it men\u0161\u00ed soubory pro tisk nebo rozs\u00e1hl\u00e9 o\u0159ez\u00e1v\u00e1n\u00ed, verze 2026 (27.0) nab\u00edz\u00ed integrovan\u00e9 \u0159e\u0161en\u00ed. Nov\u00e1 funkce Generative Upscale obch\u00e1z\u00ed tradi\u010dn\u00ed interpolaci pixel\u016f a rekonstruuje textury zcela od z\u00e1kladu. Obr\u00e1zek zv\u011bt\u0161\u00ed 2x nebo 4x, vygeneruje jemn\u00e9 detaily ve vlasech a l\u00e1tk\u00e1ch a zaost\u0159\u00ed hrany. Photoshop poskytne v\u00fdsledek jako nov\u00fd dokument; p\u016fvodn\u00ed soubor m\u016f\u017eete p\u0159\u00edmo upravovat, tak\u017ee zdrojov\u00fd obr\u00e1zek z\u016fstane nedot\u010den\u00fd bez ohledu na to, jak zv\u011bt\u0161en\u00ed dopadne.<\/p>\n\n<h2 class=\"wp-block-heading\">Verze programu Photoshop kompatibiln\u00ed s funkc\u00ed Generative Upscale  <\/h2>\n\n<p class=\"wp-block-paragraph\">Pokud se pt\u00e1te, zda Photoshop disponuje funkc\u00ed zv\u011bt\u0161en\u00ed pomoc\u00ed um\u011bl\u00e9 inteligence, kr\u00e1tk\u00e1 odpov\u011b\u010f zn\u00ed ano, i kdy\u017e technologie, na kter\u00e9 je zalo\u017eena, se li\u0161\u00ed podle verze. Verze z roku 2026 obsahuje funkci Generative Upscale pro rekonstrukci textur, jako jsou vlasy a l\u00e1tky, zcela od z\u00e1kladu. U\u017eivatel\u00e9 star\u0161\u00edch verz\u00ed v\u0161ak nez\u016fstanou pozadu, proto\u017ee funkce Super Resolution v Camera Raw zvl\u00e1d\u00e1 z\u00e1kladn\u00ed zv\u011bt\u0161en\u00ed na dvojn\u00e1sobnou velikost pomoc\u00ed standardn\u00edho strojov\u00e9ho u\u010den\u00ed.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"802\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/standard-machine-learning.png\" alt=\"Funkce Super Resolution v Camera Raw | N&#xE1;vod od Skylum&#10;&#10;\" class=\"wp-image-322352\" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/standard-machine-learning.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/standard-machine-learning-768x513.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/standard-machine-learning-508x340.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/standard-machine-learning-700x468.png 700w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">N\u00e1stroj Super Resolution v programu Camera Raw ji\u017e n\u011bkolik let nab\u00edz\u00ed zdvojn\u00e1soben\u00ed rozli\u0161en\u00ed zalo\u017een\u00e9 na strojov\u00e9m u\u010den\u00ed a p\u0159i m\u00edrn\u00e9m zv\u011bt\u0161en\u00ed rozm\u011br\u016f st\u00e1le funguje dob\u0159e. Pro ty, kte\u0159\u00ed je\u0161t\u011b nejsou p\u0159ipraveni program aktualizovat, nab\u00edz\u00ed <a href=\"https:\/\/skylum.com\/cs\/luminar-neo-vs-photoshop\">plugin Luminar Neo pro Photoshop<\/a> vlastn\u00ed n\u00e1stroje pro zv\u011bt\u0161en\u00ed rozli\u0161en\u00ed pomoc\u00ed um\u011bl\u00e9 inteligence p\u0159\u00edmo ve star\u0161\u00edch verz\u00edch Photoshopu.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0159\u00edprava obr\u00e1zku na zv\u011bt\u0161en\u00ed <\/h2>\n\n<p class=\"wp-block-paragraph\">Trocha \u00fapravy p\u0159ed zv\u011bt\u0161en\u00edm v\u00e1m u\u0161et\u0159\u00ed spoustu frustrace pozd\u011bji, proto\u017ee funkce Generative Upscale zesiluje ve\u0161ker\u00e9 textury a \u0161um, kter\u00e9 jsou ji\u017e v souboru obsa\u017eeny. Za\u010dn\u011bte opravou zjevn\u00fdch barevn\u00fdch posun\u016f, o\u0159\u00edznut\u00edm ru\u0161iv\u00fdch okraj\u016f a proveden\u00edm z\u00e1kladn\u00ed redukce \u0161umu u v\u0161ech sn\u00edmk\u016f po\u0159\u00edzen\u00fdch p\u0159i vysok\u00e9 citlivosti ISO, proto\u017ee zrnitost m\u00e1 tendenci se po zv\u011bt\u0161en\u00ed souboru prom\u011bnit v podivn\u00e9 artefakty. <\/p>\n\n<p class=\"wp-block-paragraph\">Photoshop m\u00e1 tak\u00e9 n\u011bkolik praktick\u00fdch omezen\u00ed, kter\u00e1 je dobr\u00e9 zkontrolovat p\u0159ed zah\u00e1jen\u00edm pr\u00e1ce: zdrojov\u00fd soubor mus\u00ed b\u00fdt v re\u017eimu RGB s 8 nebo 16 bity na kan\u00e1l a tato funkce akceptuje pouze soubory do ur\u010dit\u00e9 maxim\u00e1ln\u00ed velikosti, tak\u017ee extr\u00e9mn\u011b velk\u00e9 zdrojov\u00e9 obr\u00e1zky bude mo\u017en\u00e1 nutn\u00e9 zv\u011bt\u0161ovat v men\u0161\u00edch kroc\u00edch nam\u00edsto jednoho velk\u00e9ho skoku. Pr\u00e1ce s co nej\u010dist\u0161\u00edm skenem nebo fotografi\u00ed, nam\u00edsto snahy opravit v\u0161e a\u017e b\u011bhem samotn\u00e9ho zv\u011bt\u0161ov\u00e1n\u00ed, obvykle vede k znateln\u011b lep\u0161\u00edm v\u00fdsledk\u016fm.<\/p>\n\n<h2 class=\"wp-block-heading\">Podrobn\u00fd n\u00e1vod k pou\u017eit\u00ed funkce Generative Fill pro zv\u011bt\u0161ov\u00e1n\u00ed  <\/h2>\n\n<p class=\"wp-block-paragraph\">Dialogov\u00e9 okno \u201eGenerativn\u00ed zv\u011bt\u0161en\u00ed\u201c obsahuje v\u0161e pot\u0159ebn\u00e9 pro dan\u00fd \u00fakol a proces funguje stejn\u011b, a\u0165 u\u017e je zdrojem mal\u00e1 fotografie produktu nebo des\u00edtky let star\u00e1 rodinn\u00e1 fotografie.<\/p>\n\n<ol class=\"wp-block-list\">\n<li>Otev\u0159ete obr\u00e1zek s n\u00edzk\u00fdm rozli\u0161en\u00edm v programu Photoshop a ov\u011b\u0159te, zda je v re\u017eimu RGB.<img loading=\"lazy\" decoding=\"async\" width=\"15000\" height=\"7988\" class=\"wp-image-322217\" style=\"width: 15000px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/1.png\" alt=\"Otev&#x159;&#xED;t obr&#xE1;zek v programu Photoshop | N&#xE1;vod od Skylum   \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/1.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/1-768x409.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/1-508x271.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/1-700x373.png 700w\" sizes=\"(max-width: 15000px) 100vw, 15000px\" \/><\/li>\n\n\n\n<li>P\u0159ejd\u011bte do nab\u00eddky Obr\u00e1zek &gt; Generativn\u00ed zv\u011bt\u0161en\u00ed a otev\u0159ete dialogov\u00e9 okno.<img loading=\"lazy\" decoding=\"async\" width=\"15000\" height=\"10750\" class=\"wp-image-322232\" style=\"width: 15000px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/2.png\" alt=\"Generativn&#xED; vylep&#x161;en&#xED; rozli&#x161;en&#xED; ve Photoshopu | N&#xE1;vod od Skylum   \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/2.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/2-768x550.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/2-508x364.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/2-700x502.png 700w\" sizes=\"(max-width: 15000px) 100vw, 15000px\" \/><\/li>\n\n\n\n<li>Zvolte m\u011b\u0159\u00edtko 2x nebo 4x. V z\u00e1vislosti na tom, o kolik je t\u0159eba obr\u00e1zek zv\u011bt\u0161it.<img loading=\"lazy\" decoding=\"async\" width=\"15000\" height=\"8288\" class=\"wp-image-322247\" style=\"width: 15000px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/3.png\" alt=\"Jak v programu Photoshop nastavit m&#x11B;&#x159;&#xED;tko 2x nebo 4x | N&#xE1;vod od Skylum   \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/3.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/3-768x424.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/3-508x281.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/3-700x387.png 700w\" sizes=\"(max-width: 15000px) 100vw, 15000px\" \/><\/li>\n\n\n\n<li>Vyberte si model \u2013 Firefly Upscaler, Topaz Gigapixel nebo Topaz Bloom \u2013 podle motivu na fotografii.<img loading=\"lazy\" decoding=\"async\" width=\"15000\" height=\"9500\" class=\"wp-image-322262\" style=\"width: 15000px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/4.png\" alt=\"Vyberte si model &#x2013; Firefly Upscaler, Topaz Gigapixel nebo Topaz Bloom | N&#xE1;vod od Skylum   \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/4.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/4-768x486.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/4-508x322.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/4-700x443.png 700w\" sizes=\"(max-width: 15000px) 100vw, 15000px\" \/><\/li>\n\n\n\n<li>Klikn\u011bte na \u201eUpscale\u201c a po\u010dkejte jednu a\u017e t\u0159i minuty, v z\u00e1vislosti na rychlosti va\u0161eho po\u010d\u00edta\u010de.<img loading=\"lazy\" decoding=\"async\" width=\"14999\" height=\"8674\" class=\"wp-image-322277\" style=\"width: 14999px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/5.png\" alt=\"Klikn&#x11B;te na &#x201E;Upscale&#x201C; ve Photoshopu | N&#xE1;vod od Skylum   \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/5.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/5-768x444.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/5-508x294.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/5-700x405.png 700w\" sizes=\"(max-width: 14999px) 100vw, 14999px\" \/><\/li>\n\n\n\n<li>Prohl\u00e9dn\u011bte si nov\u00fd dokument, kter\u00fd Photoshop vytvo\u0159il a kter\u00fd pro srovn\u00e1n\u00ed obsahuje jak standardn\u00ed vrstvu pro zv\u011bt\u0161en\u00ed, tak generativn\u00ed vrstvu s detaily.<img loading=\"lazy\" decoding=\"async\" width=\"14999\" height=\"7974\" class=\"wp-image-322292\" style=\"width: 14999px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/6.png\" alt=\"Pod&#xED;vejte se na nov&#xFD; dokument vytvo&#x159;en&#xFD; v programu Photoshop | N&#xE1;vod od Skylum   \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/6.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/6-768x408.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/6-508x270.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/6-700x372.png 700w\" sizes=\"(max-width: 14999px) 100vw, 14999px\" \/><\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">P\u0159i v\u00fdb\u011bru n\u00e1stroje Topaz Gigapixel nebo Bloom se p\u0159i ka\u017ed\u00e9m pokusu spot\u0159ebuje \u010d\u00e1st generativn\u00edch kredit\u016f spole\u010dnosti Adobe, proto se vyplat\u00ed nejprve vyzkou\u0161et jeden testovac\u00ed b\u011bh v men\u0161\u00edm m\u011b\u0159\u00edtku, ne\u017e kredity vynalo\u017e\u00edte na pln\u00e9 4n\u00e1sobn\u00e9 zv\u011bt\u0161en\u00ed u velk\u00e9 d\u00e1vky obr\u00e1zk\u016f.<\/p>\n\n<div class=\"skylum-article-cta\"  style=\"background-image: url(https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/02\/cta-new-banner-2-2.webp); background-size: cover; background-position: center; background-repeat: no-repeat;\">\n    <div class=\"skylum-article-cta__container\">\n                    <p class=\"skylum-article-cta__title\">Editor fotografi\u00ed s um\u011blou inteligenc\u00ed pro MacOS a Windows\r\n\r\n<\/p>\n                        <div class=\"skylum-article-cta__btns-wrap\">\n                            <a class=\"skylum-article-cta__btn\" href=\"https:\/\/skylum.com\/luminar-ai\" target=\"\">\n                    Objevte nyn\u00ed!                <\/a>\n                                <\/div>\n    <\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br spr\u00e1vn\u00e9ho modelu zv\u011bt\u0161en\u00ed a velikosti  <\/h2>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"830\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/selecting-the-right-upscale-model-and-size.png\" alt=\"N&#xE1;stroj Generative Upscale v programu Photoshop | N&#xE1;vod od Skylum&#10;&#10;\" class=\"wp-image-322337\" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/selecting-the-right-upscale-model-and-size.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/selecting-the-right-upscale-model-and-size-768x531.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/selecting-the-right-upscale-model-and-size-508x351.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/selecting-the-right-upscale-model-and-size-700x484.png 700w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Proces vylep\u0161en\u00ed sn\u00edmku pomoc\u00ed um\u011bl\u00e9 inteligence v programu Photoshop za\u010d\u00edn\u00e1 v\u00fdb\u011brem spr\u00e1vn\u00e9ho modelu pro dan\u00fd objekt, proto\u017ee tyto t\u0159i mo\u017enosti se chovaj\u00ed odli\u0161n\u011b. Firefly Upscaler funguje nejl\u00e9pe u exteri\u00e9rov\u00fdch sn\u00edmk\u016f a p\u0159\u00edrodn\u00edch scen\u00e9ri\u00ed, kde dok\u00e1\u017ee obnovit texturu listov\u00ed, vody a oblohy.  <\/p>\n\n<p class=\"wp-block-paragraph\">Topaz Gigapixel se zam\u011b\u0159uje na fotografie re\u00e1ln\u00e9ho sv\u011bta a pomoc\u00ed funkce \u201eFace Recovery\u201c p\u0159esn\u011b rekonstruuje detaily obli\u010deje. Topaz Bloom naopak p\u0159istupuje k zv\u011bt\u0161ov\u00e1n\u00ed rozli\u0161en\u00ed interpretativn\u011b. Posuvn\u00edk \u201eCreativity\u201c m\u00e1 rozsah od 0 do 10 a umo\u017e\u0148uje v\u00e1m vybrat si, zda chcete zachovat p\u016fvodn\u00ed vzhled, nebo vytvo\u0159it v\u00fdrazn\u011b stylizovan\u00fd v\u00fdsledek.<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Model <\/strong><\/td><td><strong>Nejvhodn\u011bj\u0161\u00ed pro <\/strong><\/td><td><strong>Pozoruhodn\u00e9 nastaven\u00ed <\/strong><\/td><\/tr><tr><td>Firefly Upscaler <\/td><td>Venkovn\u00ed scen\u00e9rie a p\u0159\u00edrodn\u00ed sc\u00e9ny <\/td><td>Pouze 2x nebo 4x zv\u011bt\u0161en\u00ed <\/td><\/tr><tr><td>Topaz Gigapixel <\/td><td>Portr\u00e9ty a fotografie re\u00e1ln\u00e9ho sv\u011bta <\/td><td>P\u0159ep\u00edna\u010d Face Recovery <\/td><\/tr><tr><td>Topaz Bloom <\/td><td>Stylizovan\u00e9 nebo um\u011bleck\u00e9 v\u00fdsledky <\/td><td>Posuvn\u00edk kreativity (0\u201310) <\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Fotografov\u00e9, kte\u0159\u00ed pracuj\u00ed hlavn\u011b s lidmi, se zpravidla automaticky spol\u00e9haj\u00ed na Topaz Gigapixel, zat\u00edmco ti, kdo restauruj\u00ed z\u00e1b\u011bry krajiny nebo produktov\u00e9 fotografie ze star\u00fdch sken\u016f, \u010dasto dos\u00e1hnou p\u0159irozen\u011bj\u0161\u00edho v\u00fdsledku s Firefly. Pokud jde o druh\u00fd model um\u011bl\u00e9 inteligence, kter\u00fd je zcela mimo Photoshop, n\u011bkte\u0159\u00ed redakto\u0159i prov\u00e1d\u011bj\u00ed srovn\u00e1vac\u00ed anal\u00fdzu pomoc\u00ed Luminar Upscale AI, ne\u017e se rozhodnou, kter\u00fd v\u00fdstup ponechaj\u00ed pro fin\u00e1ln\u00ed tisk nebo dod\u00e1n\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Kontrola a porovn\u00e1n\u00ed v\u00fdsledk\u016f upscalingu  <\/h2>\n\n<p class=\"wp-block-paragraph\">Jakmile Photoshop dokon\u010d\u00ed zpracov\u00e1n\u00ed, nov\u00fd dokument obsahuje dv\u011b vrstvy: standardn\u00ed zv\u011bt\u0161enou verzi vytvo\u0159enou b\u011b\u017enou zm\u011bnou velikosti a generativn\u00ed vrstvu vytvo\u0159enou s p\u0159idan\u00fdmi detaily pomoc\u00ed AI. Zap\u00edn\u00e1n\u00ed a vyp\u00edn\u00e1n\u00ed generativn\u00ed vrstvy p\u0159i maxim\u00e1ln\u00edm p\u0159ibl\u00ed\u017een\u00ed ukazuje v\u0161echny dal\u0161\u00ed detaily, kter\u00e9 model p\u0159idal.<\/p>\n\n<p class=\"wp-block-paragraph\">Fotografie zn\u00e1m\u00fdch osobnost\u00ed si zde vy\u017eaduj\u00ed pe\u010dliv\u011bj\u0161\u00ed posouzen\u00ed, proto\u017ee i mal\u00e9, dob\u0159e m\u00edn\u011bn\u00e9 \u00fapravy obli\u010deje mohou na n\u011bkoho, kdo danou osobu na fotografii zn\u00e1, p\u016fsobit nespr\u00e1vn\u011b. Produktov\u00e9 sn\u00edmky a dekorativn\u00ed obr\u00e1zky obvykle sn\u00e1\u0161ej\u00ed kreativn\u011bj\u0161\u00ed interpretaci. Fotografov\u00e9, kte\u0159\u00ed pro tento druh kontroly cht\u011bj\u00ed m\u00edt k dispozici \u0161ir\u0161\u00ed sadu srovn\u00e1vac\u00edch n\u00e1stroj\u016f, n\u011bkdy nech\u00e1vaj\u00ed Luminar spu\u0161t\u011bn\u00fd vedle Photoshopu, aby mohli porovnat druhou verzi upravenou pomoc\u00ed um\u011bl\u00e9 inteligence.<\/p>\n\n<h2 class=\"wp-block-heading\">Vylep\u0161en\u00ed fotografi\u00ed pomoc\u00ed funkce Face Recovery a restaurov\u00e1n\u00ed pomoc\u00ed um\u011bl\u00e9 inteligence  <\/h2>\n\n<p class=\"wp-block-paragraph\">Funkce Face Recovery v programu Topaz Gigapixel se pou\u017e\u00edv\u00e1 zejm\u00e9na k vylep\u0161en\u00ed portr\u00e9t\u016f a star\u00fdch fotografi\u00ed, u nich\u017e jsou detaily obli\u010deje zhor\u0161eny n\u00edzk\u00fdm rozli\u0161en\u00edm, vyblednut\u00edm nebo skenovac\u00edmi artefakty. Jej\u00ed zapnut\u00ed p\u0159ed proveden\u00edm upscalingu obnov\u00ed rysy jako o\u010di, obo\u010d\u00ed a texturu pleti s v\u00fdrazn\u011b vy\u0161\u0161\u00ed ostrost\u00ed. <\/p>\n\n<p class=\"wp-block-paragraph\">Dob\u0159e se kombinuj\u00ed s dal\u0161\u00edmi n\u00e1stroji pro restaurov\u00e1n\u00ed v programu Photoshop \u2013 nap\u0159\u00edklad m\u016f\u017eete nejprve pou\u017e\u00edt n\u00e1stroje \u201ePhoto Restoration\u201c nebo \u201eColorize\u201c na star\u00fd \u010dernob\u00edl\u00fd sn\u00edmek.<img loading=\"lazy\" decoding=\"async\" width=\"15000\" height=\"10263\" class=\"wp-image-322322\" style=\"width: 15000px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/old-black-and-white-print-first.png\" alt=\"Obnova fotografi&#xED; v programu Photoshop | N&#xE1;vod od Skylum  \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/old-black-and-white-print-first.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/old-black-and-white-print-first-768x525.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/old-black-and-white-print-first-508x348.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/old-black-and-white-print-first-700x479.png 700w\" sizes=\"(max-width: 15000px) 100vw, 15000px\" \/> N\u00e1sledn\u011b, kdy\u017e vy\u010di\u0161t\u011bn\u00fd v\u00fdsledek zpracujete pomoc\u00ed funkce \u201eGenerative Upscale\u201c s povolenou funkc\u00ed \u201eFace Recovery\u201c, z\u00edsk\u00e1te zpravidla p\u0159esv\u011bd\u010div\u011bj\u0161\u00ed kone\u010dn\u00fd obr\u00e1zek.<img loading=\"lazy\" decoding=\"async\" width=\"15000\" height=\"10263\" class=\"wp-image-322307\" style=\"width: 15000px;\" src=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/convincing-final-image.png\" alt=\"Obnova obli&#x10D;eje ve Photoshopu | N&#xE1;vod od Skylum  \" srcset=\"https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/convincing-final-image.png 1200w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/convincing-final-image-768x525.png 768w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/convincing-final-image-508x348.png 508w, https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/08\/convincing-final-image-700x479.png 700w\" sizes=\"(max-width: 15000px) 100vw, 15000px\" \/> U portr\u00e9tn\u00edch projekt\u016f n\u011bkte\u0159\u00ed fotografov\u00e9 po dokon\u010den\u00ed upscalingu importuj\u00ed hotov\u00e9 soubory do aplikace Luminar Neo, kde provedou dal\u0161\u00ed \u00fapravy pleti a detail\u016f.<\/p>\n\n<div class=\"skylum-article-cta\"  style=\"background-image: url(https:\/\/blog.skylum.com\/wp-content\/uploads\/2026\/02\/cta-new-banner-2-2.webp); background-size: cover; background-position: center; background-repeat: no-repeat;\">\n    <div class=\"skylum-article-cta__container\">\n                    <p class=\"skylum-article-cta__title\">Zlep\u0161ete sv\u00e9 fotografie pomoc\u00ed na\u0161eho pokro\u010dil\u00e9ho softwaru\r\n\r\n<\/p>\n                        <div class=\"skylum-article-cta__btns-wrap\">\n                            <a class=\"skylum-article-cta__btn\" href=\"https:\/\/skylum.com\/cs\/luminar\/pricing\" target=\"\">\n                    Objevte ceny                <\/a>\n                                <\/div>\n    <\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">Tipy pro maximalizaci velikosti a kvality obr\u00e1zku po zv\u011bt\u0161en\u00ed<\/h2>\n\n<p class=\"wp-block-paragraph\">Zv\u011bt\u0161ov\u00e1n\u00ed obr\u00e1zk\u016f v programu Photoshop p\u0159in\u00e1\u0161\u00ed nejlep\u0161\u00ed v\u00fdsledky, kdy\u017e se n\u011bkter\u00e9 n\u00e1vyky stanou rutinou, a ne a\u017e dodate\u010dn\u00fdm n\u00e1padem, proto\u017ee v\u011bt\u0161ina probl\u00e9m\u016f s kvalitou souvis\u00ed sp\u00ed\u0161e se zdrojov\u00fdm souborem nebo s nastaven\u00edm proveden\u00fdm ve sp\u011bchu ne\u017e se samotn\u00fdm modelem um\u011bl\u00e9 inteligence.<\/p>\n\n<ol class=\"wp-block-list\">\n<li><strong>Vyhn\u011bte se siln\u011b komprimovan\u00fdm soubor\u016fm JPEG.<\/strong> Funkce Generative Upscale pot\u0159ebuje skute\u010dn\u00e1 datov\u00e1 pole pixel\u016f, aby mohla textury p\u0159esn\u011b rekonstruovat.<\/li>\n\n\n\n<li><strong>Nenastavujte hned jako v\u00fdchoz\u00ed hodnotu 4x.<\/strong> Mo\u017enost 4x spot\u0159ebov\u00e1v\u00e1 v\u00edce generativn\u00edch kredit\u016f a v\u00edce \u010dasu na zpracov\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>V\u017edy ukl\u00e1dejte zv\u011bt\u0161en\u00fd obr\u00e1zek jako nov\u00fd dokument, m\u00edsto abyste jej slou\u010dili do jedn\u00e9 vrstvy.<\/strong> Pokud se prvn\u00ed pokus nepovede, budete m\u00edt mo\u017enost proces zopakovat.<\/li>\n\n\n\n<li><strong>V\u00e1\u0161 klient m\u016f\u017ee snadno p\u0159ep\u00ednat viditelnost a porovn\u00e1vat zm\u011bny.<\/strong><\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Pro v\u0161echny, kdo b\u011b\u017en\u011b zv\u011bt\u0161uj\u00ed skeny, produktov\u00e9 fotografie nebo portr\u00e9ty, p\u0159edstavuje za\u010dlen\u011bn\u00ed t\u011bchto kontrol do opakovateln\u00e9 akce v programu Photoshop zp\u016fsob, jak prom\u011bnit v\u00edcestup\u0148ov\u00fd proces v jedin\u00e9 kliknut\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zlep\u0161ete kvalitu sv\u00fdch fotografi\u00ed t\u00edm, \u017ee se nau\u010d\u00edte, jak zv\u011bt\u0161it obr\u00e1zek v programu Photoshop. Pomoc\u00ed nativn\u00edch n\u00e1stroj\u016f pro zm\u011bnu velikosti v tomto softwaru dos\u00e1hnete \u010dist\u00fdch v\u00fdsledk\u016f ve vysok\u00e9m rozli\u0161en\u00ed.<\/p>\n","protected":false},"author":128,"featured_media":322385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-323611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-cs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jak prov\u00e9st upscaling ve Photoshopu: jednoduch\u00e9 kroky | N\u00e1vod od Skylum<\/title>\n<meta name=\"description\" content=\"Objevte nejlep\u0161\u00ed techniky, jak vylep\u0161it sv\u00e9 fotografie a dos\u00e1hnout ostr\u00fdch a vysoce kvalitn\u00edch v\u00fdsledk\u016f \u2013 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