{"id":1045,"date":"2025-04-09T12:52:23","date_gmt":"2025-04-09T10:52:23","guid":{"rendered":"https:\/\/octodeep.com\/blog\/?p=1045"},"modified":"2025-06-10T10:41:05","modified_gmt":"2025-06-10T08:41:05","slug":"dall-e-obrazkovy-generator-od-open-ai","status":"publish","type":"post","link":"https:\/\/octodeep.com\/blog\/dall-e-obrazkovy-generator-od-open-ai\/","title":{"rendered":"DALL-E: obr\u00e1zkov\u00fd gener\u00e1tor od Open AI"},"content":{"rendered":"\n<p>Stejn\u011b jako GPT\u20113 je DALL-E modelem transforma\u010dn\u00edho jazyka od Open AI. P\u0159ij\u00edm\u00e1 <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/tipy-na-psani-textu-pomoci-umele-inteligence\/\">text<\/a> i <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/jak-vytvorit-obrazek-pomoci-umele-inteligence\/\">obr\u00e1zek<\/a> jako jedin\u00fd proud dat obsahuj\u00edc\u00ed a\u017e 1280 token\u016f a je tr\u00e9nov\u00e1n s maxim\u00e1ln\u00ed pravd\u011bpodobnost\u00ed vygenerov\u00e1n\u00ed v\u0161ech token\u016f jeden po druh\u00e9m.&nbsp;<\/p>\n\n\n\n<p>DALL-E um\u00ed nejen <strong>vytv\u00e1\u0159et nov\u00e9 obr\u00e1zky, ale tak\u00e9 &#8222;domalovat&#8220; \u010d\u00e1st existuj\u00edc\u00edho obr\u00e1zku <\/strong>tak, aby to vypadalo p\u0159irozen\u011b a odpov\u00eddalo tomu, co chcete pomoc\u00ed <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/tipy-na-psani-textu-pomoci-umele-inteligence\/\">textu<\/a> vytvo\u0159it. Je to podobn\u00e9, jako kdybyste z fotografie vyst\u0159ihli prav\u00fd doln\u00ed roh a nechali AI, aby ho doplnila podle va\u0161ich instrukc\u00ed. DALL-E 2 i 3 si m\u016f\u017eete otestovat v na\u0161\u00ed aplikaci <a href=\"https:\/\/octodeep.com\/cs\">OCTODEEP<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/octodeep.com\/cs\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"341\" src=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/01\/ai-zdarma-1024x341.png\" alt=\"\" class=\"wp-image-619\" srcset=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/01\/ai-zdarma-1024x341.png 1024w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/01\/ai-zdarma-300x100.png 300w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/01\/ai-zdarma-768x256.png 768w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/01\/ai-zdarma.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Model DALL-E m\u00e1 dovednost vytv\u00e1\u0159et obr\u00e1zky na z\u00e1klad\u011b textov\u00fdch popis\u016f. Je schopen pracovat s jazykem a jeho strukturou, co\u017e znamen\u00e1, \u017ee dok\u00e1\u017ee pochopit slo\u017eit\u00e9 v\u011bty a vytvo\u0159it obr\u00e1zky, kter\u00e9 odpov\u00eddaj\u00ed jejich v\u00fdznamu. Obr\u00e1zky, kter\u00e9 jsou prezentov\u00e1ny jako uk\u00e1zky, jsou vyb\u00edr\u00e1ny automaticky \u2013 <strong>syst\u00e9m CLIP<\/strong> hodnot\u00ed kvalitu obr\u00e1zk\u016f a vybere ty nejlep\u0161\u00ed. Ru\u010dn\u00ed z\u00e1sahy do v\u00fdb\u011bru jsou minim\u00e1ln\u00ed, co\u017e ukazuje na objektivitu a schopnost modelu generovat kvalitn\u00ed v\u00fdsledky bez nutnosti manu\u00e1ln\u00ed \u00fapravy.<\/p>\n\n\n\n<p>DALL-E je model <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/co-je-to-umela-inteligence-a-jaky-ma-vyznam\/\">um\u011bl\u00e9 inteligence<\/a>, kter\u00fd funguje na principu tzv. transform\u00e1toru, co\u017e je typ <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/neuronove-site-jak-funguje-motor-moderni-umele-inteligence\/\">neuronov\u00e9 s\u00edt\u011b<\/a> pou\u017e\u00edvan\u00fd pro zpracov\u00e1n\u00ed sekvenc\u00ed dat, jako je text nebo obraz. Tento konkr\u00e9tn\u00ed model kombinuje text a obraz do jednoho proudu dat, kter\u00fd obsahuje celkem 1280 \u010d\u00e1st\u00ed (tzv. token\u016f) \u2013 256 token\u016f je vyhrazeno pro text a 1024 pro obraz. Model zpracov\u00e1v\u00e1 tyto tokeny postupn\u011b (autoregresn\u011b), co\u017e znamen\u00e1, \u017ee ka\u017ed\u00fd krok z\u00e1vis\u00ed na p\u0159edchoz\u00edch.<\/p>\n\n\n\n<p>DALL-E vyu\u017e\u00edv\u00e1 r\u016fzn\u00e9 <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/typy-umele-inteligence-od-chytrych-algoritmu-po-budouci-superinteligenci\/\">typy<\/a> &#8222;maskov\u00e1n\u00ed pozornosti&#8220; (<strong>attention masking<\/strong>), co\u017e je technika, kter\u00e1 ur\u010duje, jak\u00e9 \u010d\u00e1sti dat si model p\u0159i u\u010den\u00ed v\u0161\u00edm\u00e1. Nap\u0159\u00edklad obrazov\u00e9 tokeny mohou &#8222;v\u011bnovat pozornost&#8220; textov\u00fdm token\u016fm, aby l\u00e9pe pochopily, jak text souvis\u00ed s obrazem. Pro textov\u00e9 tokeny se pou\u017e\u00edv\u00e1 standardn\u00ed kauz\u00e1ln\u00ed maska, kter\u00e1 zaji\u0161\u0165uje, \u017ee model zpracov\u00e1v\u00e1 text ve spr\u00e1vn\u00e9m po\u0159ad\u00ed.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Synt\u00e9za textu na obraz<\/h2>\n\n\n\n<p>Tvorba obraz\u016f na z\u00e1klad\u011b textov\u00e9ho popisu je oblast\u00ed v\u00fdzkumu, kter\u00e1 se rychle rozv\u00edj\u00ed. Prvn\u00ed pr\u016flom v t\u00e9to oblasti p\u0159inesla pr\u00e1ce Reeda a jeho koleg\u016f, kte\u0159\u00ed pou\u017eili GAN (Generative Adversarial Network \u2013 generativn\u00ed protivn\u00ed s\u00ed\u0165) podm\u00edn\u011bn\u00fd textov\u00fdm popisem. GAN je typ <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/co-jsou-to-ai-modely\/\">AI modelu<\/a>, kter\u00fd se skl\u00e1d\u00e1 ze dvou \u010d\u00e1st\u00ed \u2013 gener\u00e1toru (vytv\u00e1\u0159\u00ed obsah) a diskrimin\u00e1toru (hodnot\u00ed kvalitu vytvo\u0159en\u00e9ho obsahu). Textov\u00e9 popisy byly p\u0159evedeny na \u010d\u00edseln\u00e9 reprezentace (tzv. vektory) pomoc\u00ed speci\u00e1ln\u00edho kod\u00e9ru, kter\u00fd byl natr\u00e9nov\u00e1n na rozpozn\u00e1v\u00e1n\u00ed rozd\u00edl\u016f mezi texty.<\/p>\n\n\n\n<p>Dal\u0161\u00ed pokroky p\u0159inesly <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/co-jsou-to-ai-modely\/\">modely<\/a> jako StackGAN a StackGAN++, kter\u00e9 pracuj\u00ed s v\u00edce \u00farovn\u011bmi rozli\u0161en\u00ed obrazu, aby zlep\u0161ily jeho kvalitu. Model AttnGAN p\u0159idal mechanismus pozornosti (attention), kter\u00fd umo\u017e\u0148uje modelu l\u00e9pe propojit textov\u00e9 a obrazov\u00e9 prvky. Tento p\u0159\u00edstup zahrnuje i techniku kontrastn\u00ed ztr\u00e1ty, kter\u00e1 pom\u00e1h\u00e1 modelu l\u00e9pe pochopit rozd\u00edly a podobnosti mezi r\u016fzn\u00fdmi objekty, t\u0159eba mezi obli\u010deji.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 vlastnosti DALL-E<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/jak-vybrat-spravny-ai-nastroj-pro-generovani-obrazku\/\">Generov\u00e1n\u00ed obr\u00e1zk\u016f<\/a> z textov\u00fdch popis\u016f<\/strong><strong><br><\/strong>DALL-E dok\u00e1\u017ee p\u0159ev\u00e9st textov\u00e9 zad\u00e1n\u00ed na vizu\u00e1ln\u00ed obsah. U\u017eivatel m\u016f\u017ee zadat jednoduch\u00fd nebo slo\u017eit\u00fd popis, nap\u0159\u00edklad \u201edvouhlav\u00fd papou\u0161ek\u201c nebo \u201esklen\u011bn\u00fd tygr na modr\u00e9 louce\u201c, a <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/ai-nastroje-pro-texty-obrazky-videa-i-zvuk\/\">n\u00e1stroj<\/a> vytvo\u0159\u00ed odpov\u00eddaj\u00edc\u00ed obr\u00e1zek.<\/li>\n\n\n\n<li><strong>Porozum\u011bn\u00ed slo\u017eit\u00fdm prompt\u016fm<\/strong><strong><br><\/strong>DALL-E 3 exceluje v pochopen\u00ed a proveden\u00ed i velmi detailn\u00edch a slo\u017eit\u00fdch textov\u00fdch zad\u00e1n\u00ed. To zaji\u0161\u0165uje, \u017ee generovan\u00e9 obr\u00e1zky p\u0159esn\u011b odpov\u00eddaj\u00ed po\u017eadavk\u016fm u\u017eivatele.<\/li>\n\n\n\n<li><strong>Vysok\u00e1 kvalita a estetika obr\u00e1zk\u016f<\/strong><strong><br><\/strong>Obr\u00e1zky generovan\u00e9 DALL-E jsou vizu\u00e1ln\u011b atraktivn\u00ed, detailn\u00ed a um\u011blecky p\u016fsobiv\u00e9. N\u00e1stroj je navr\u017een tak, aby p\u0159ekonal p\u0159edchoz\u00ed verze i konkurenci v oblasti kvality a koherence.<\/li>\n\n\n\n<li><strong>Kreativn\u00ed kontrola a flexibilita<\/strong><strong><br><\/strong>U\u017eivatel\u00e9 mohou obr\u00e1zky snadno doladit, upravit nebo roz\u0161\u00ed\u0159it. DALL-E umo\u017e\u0148uje nahr\u00e1t vlastn\u00ed obr\u00e1zky a prov\u00e1d\u011bt na nich \u00fapravy, nap\u0159\u00edklad p\u0159id\u00e1vat nov\u00e9 prvky nebo m\u011bnit \u010d\u00e1sti obr\u00e1zku.<\/li>\n\n\n\n<li><strong>Variace a kombinace koncept\u016f<\/strong><strong><br><\/strong>N\u00e1stroj dok\u00e1\u017ee kombinovat r\u016fzn\u00e9 koncepty do jednoho obr\u00e1zku a generovat v\u00edce variant na z\u00e1klad\u011b jednoho zad\u00e1n\u00ed. To umo\u017e\u0148uje u\u017eivatel\u016fm prozkoumat r\u016fzn\u00e9 vizu\u00e1ln\u00ed interpretace jejich n\u00e1pad\u016f.<\/li>\n\n\n\n<li><strong>Inpainting a roz\u0161i\u0159ov\u00e1n\u00ed obr\u00e1zk\u016f<\/strong><strong><br><\/strong>DALL-E umo\u017e\u0148uje upravovat existuj\u00edc\u00ed obr\u00e1zky, nap\u0159\u00edklad odstra\u0148ovat ne\u017e\u00e1douc\u00ed objekty nebo roz\u0161i\u0159ovat obr\u00e1zky za jejich p\u016fvodn\u00ed hranice. Tato funkce je u\u017eite\u010dn\u00e1 pro vytv\u00e1\u0159en\u00ed nov\u00fdch kompozic nebo \u00fapravu detail\u016f.<\/li>\n\n\n\n<li><strong>Podpora r\u016fzn\u00fdch styl\u016f a imitace<\/strong><br>N\u00e1stroj dok\u00e1\u017ee napodobovat r\u016fzn\u00e9 um\u011bleck\u00e9 styly, od klasick\u00fdch po modern\u00ed, co\u017e umo\u017e\u0148uje u\u017eivatel\u016fm p\u0159izp\u016fsobit v\u00fdstup jejich estetick\u00fdm po\u017eadavk\u016fm.<\/li>\n\n\n\n<li><strong>Bezpe\u010dnost a <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/etika-umele-inteligence\/\">etick\u00e9<\/a> vyu\u017eit\u00ed<\/strong><strong><br><\/strong>DALL-E obsahuje mechanismy filtrov\u00e1n\u00ed obsahu, kter\u00e9 zabra\u0148uj\u00ed generov\u00e1n\u00ed nevhodn\u00fdch nebo \u0161kodliv\u00fdch obr\u00e1zk\u016f. N\u00e1stroj tak\u00e9 odm\u00edt\u00e1 vytv\u00e1\u0159et obsah spojen\u00fd s n\u00e1sil\u00edm, sexu\u00e1ln\u00edm obsahem nebo negativn\u00edm zobrazen\u00edm ve\u0159ejn\u00fdch osob.<\/li>\n<\/ol>\n\n\n\n<p>Tyto vlastnosti d\u011blaj\u00ed z DALL-E v\u00fdkonn\u00fd n\u00e1stroj pro um\u011blce, design\u00e9ry, marketingov\u00e9 profesion\u00e1ly i b\u011b\u017en\u00e9 u\u017eivatele, kte\u0159\u00ed cht\u011bj\u00ed rychle a efektivn\u011b vizualizovat sv\u00e9 n\u00e1pady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co v\u0161echno DALL-E dok\u00e1\u017ee?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ovl\u00e1d\u00e1n\u00ed atribut\u016f:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Testov\u00e1n\u00ed schopnosti DALL\u00b7E modifikovat atributy objekt\u016f a jejich po\u010det.<\/li>\n\n\n\n<li>P\u0159\u00edklady: p\u011bti\u00faheln\u00edkov\u00e9 zelen\u00e9 hodiny, kostka s texturou dikobraza, sb\u00edrka sklenic na stole.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Kreslen\u00ed v\u00edce objekt\u016f:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Schopnost ovl\u00e1dat v\u00edce objekt\u016f, jejich atributy a prostorov\u00e9 vztahy.<\/li>\n\n\n\n<li>P\u0159\u00edklady: je\u017eek v barevn\u00e9m oble\u010den\u00ed, hrom\u00e1dka t\u0159\u00ed kostek r\u016fzn\u00fdch barev, emotikon tu\u010d\u0148\u00e1ka v oble\u010den\u00ed.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Vizualizace perspektivy a trojrozm\u011brnosti:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Zvl\u00e1dne r\u016fzn\u00e9 druhy pohledu a 3D styl sc\u00e9ny.<\/li>\n\n\n\n<li>P\u0159\u00edklady: detailn\u00ed pohled na kapybaru, voxelov\u00e1 kapybara, odraz b\u00edl\u00e9 kostky v zrcadle.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Vizualizace vnit\u0159n\u00ed a vn\u011bj\u0161\u00ed struktury:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Schopnost vykreslit vnit\u0159n\u00ed strukturu (\u0159ezy) a makro detaily.<\/li>\n\n\n\n<li>P\u0159\u00edklady: pohled v \u0159ezu na o\u0159ech, makrofotografie mozkov\u00fdch kor\u00e1l\u016f.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Odvozov\u00e1n\u00ed kontextov\u00fdch detail\u016f:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Schopnost doplnit detaily, kter\u00e9 nejsou explicitn\u011b zm\u00edn\u011bny.<\/li>\n\n\n\n<li>P\u0159\u00edklady: obraz kapybary p\u0159i v\u00fdchodu slunce, vitr\u00e1\u017e s modrou jahodou, pr\u016f\u010del\u00ed obchodu s n\u00e1pisem \u201eopenai\u201c.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Aplikace p\u0159edchoz\u00edch schopnost\u00ed:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Vyu\u017eit\u00ed schopnost\u00ed pro m\u00f3dn\u00ed a interi\u00e9rov\u00fd design.<\/li>\n\n\n\n<li>P\u0159\u00edklady: manek\u00fdn v oran\u017eov\u00e9 ko\u0161ili, ob\u00fdvac\u00ed pokoj s obrazem Kolosea, podkrovn\u00ed lo\u017enice s akv\u00e1riem.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Kombinace nesouvisej\u00edc\u00edch pojm\u016f:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Synt\u00e9za objekt\u016f z r\u016fzn\u00fdch koncept\u016f.<\/li>\n\n\n\n<li>P\u0159\u00edklady: hlem\u00fd\u017e\u010f z harfy, k\u0159eslo ve tvaru avok\u00e1da.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Ilustrace zv\u00ed\u0159at:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Generov\u00e1n\u00ed um\u011bleck\u00fdch ilustrac\u00ed zv\u00ed\u0159at a chim\u00e9r.<\/li>\n\n\n\n<li>P\u0159\u00edklady: baby \u0159edkvi\u010dka ven\u010d\u00edc\u00ed psa, chim\u00e9ra \u017eirafy a \u017eelvy, emotikon zamilovan\u00e9ho \u0161\u00e1lku boba.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Vizu\u00e1ln\u00ed uva\u017eov\u00e1n\u00ed s nulov\u00fdm z\u00e1b\u011brem:<\/strong>\n<ul class=\"wp-block-list\">\n<li>P\u0159eklad textu na obr\u00e1zek bez dal\u0161\u00edho \u0161kolen\u00ed.<\/li>\n\n\n\n<li>P\u0159\u00edklady: skica ko\u010dky, \u010dajov\u00e1 konvice s n\u00e1pisem \u201egpt\u201c.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Zem\u011bpisn\u00e9 znalosti:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Schopnost generovat obr\u00e1zky geografick\u00fdch m\u00edst a orienta\u010dn\u00edch bod\u016f.<\/li>\n\n\n\n<li>P\u0159\u00edklady: \u010d\u00ednsk\u00e9 j\u00eddlo, n\u00e1m\u011bst\u00ed Alamo v noci, most Golden Gate.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u010casov\u00e9 znalosti:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Generov\u00e1n\u00ed obr\u00e1zk\u016f objekt\u016f z r\u016fzn\u00fdch \u010dasov\u00fdch obdob\u00ed.<\/li>\n\n\n\n<li>P\u0159\u00edklad: fotografie telefonu z 20. let.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Shrnut\u00ed p\u0159\u00edstupu a p\u0159edchoz\u00ed pr\u00e1ce:<\/strong>\n<ul class=\"wp-block-list\">\n<li>DALL\u00b7E je transform\u00e1tor, kter\u00fd kombinuje text a obraz do jednoho proudu token\u016f.<\/li>\n\n\n\n<li>Inspirace z p\u0159edchoz\u00edch v\u00fdzkum\u016f, jako jsou GANy a CLIP, pro zlep\u0161en\u00ed kvality obrazu.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Model DALL-E 2<\/h2>\n\n\n\n<p>Dall-e 2 nov\u011bj\u0161\u00ed a realisti\u010dt\u011bj\u0161\u00ed model, kter\u00fd generuje obr\u00e1zky a\u017e se <strong>\u010dty\u0159ikr\u00e1t vy\u0161\u0161\u00edm rozli\u0161en\u00edm<\/strong>. Z\u00e1kazn\u00edci ho <strong>preferuj\u00ed p\u0159ed Dall-e 1 ze 71,7 % kv\u016fli shod\u011b titulk\u016f a z 88,8 % kv\u016fli jeho realisti\u010dt\u011bj\u0161\u00edm fotk\u00e1m<\/strong>.  Je to kv\u016fli tomu, \u017ee pou\u017e\u00edv\u00e1 <strong>GLIDE<\/strong> (Guided Language-to-Image Diffusion for Generation and Editing), co\u017e je syst\u00e9m vyu\u017e\u00edvan\u00fd pro generov\u00e1n\u00ed a \u00fapravu obr\u00e1zk\u016f na z\u00e1klad\u011b textov\u00fdch popis\u016f. Jde o difuzn\u00ed model, kter\u00fd postupn\u011b transformuje \u0161um na obr\u00e1zek, p\u0159i\u010dem\u017e je veden textov\u00fdm vstupem, aby v\u00fdsledn\u00fd obr\u00e1zek odpov\u00eddal zadan\u00e9mu popisu. GLIDE kombinuje schopnosti generov\u00e1n\u00ed realistick\u00fdch obr\u00e1zk\u016f s mo\u017enost\u00ed jemn\u00e9ho ovliv\u0148ov\u00e1n\u00ed v\u00fdsledku pomoc\u00ed textov\u00fdch pokyn\u016f. D\u00edky tomu lze nejen vytv\u00e1\u0159et nov\u00e9 obr\u00e1zky, ale tak\u00e9 upravovat existuj\u00edc\u00ed, nap\u0159\u00edklad <strong>p\u0159id\u00e1vat nebo odstra\u0148ovat objekty<\/strong>. Tento p\u0159\u00edstup umo\u017e\u0148uje vysokou kvalitu a p\u0159esnost p\u0159i generov\u00e1n\u00ed vizu\u00e1ln\u00edho obsahu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Model DALL-E 3<\/h2>\n\n\n\n<p><strong>DALL\u00b7E 3 je nativn\u011b postaven na <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/chatgpt-kompletni-pruvodce\/\">ChatGPT<\/a>, co\u017e v\u00e1m umo\u017e\u0148uje <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/jak-pouzivat-a-pracovat-s-chatgpt\/\">pou\u017e\u00edvat ChatGPT<\/a> jako par\u0165\u00e1ka pro brainstorming a zp\u0159esn\u011bn\u00ed va\u0161ich v\u00fdzev. Zeptejte se ChatGPT na obr\u00e1zek \u010dehokoli, od jednoduch\u00e9 v\u011bty po podrobn\u00fd odstavec.<\/strong><\/p>\n\n\n\n<p>Kdy\u017e nap\u00ed\u0161ete <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/co-je-prompt-klic-pro-komunikaci-s-ai\/\">prompt<\/a>, ChatGPT automaticky vygeneruje p\u0159izp\u016fsoben\u00e9, podrobn\u00e9 v\u00fdzvy pro DALL-E 3, kter\u00e9 v\u00e1\u0161 n\u00e1pad o\u017eiv\u00ed. Pokud se v\u00e1m l\u00edb\u00ed konkr\u00e9tn\u00ed obr\u00e1zek, ale nen\u00ed \u00fapln\u011b v po\u0159\u00e1dku, m\u016f\u017eete po\u017e\u00e1dat ChatGPT, aby provedl \u00fapravy pomoc\u00ed n\u011bkolika slov. Ten se v\u00e1s dokonce zept\u00e1, jestli chcete na obr\u00e1zku n\u011bco zm\u011bnit, tak\u017ee v\u00e1m s\u00e1m rad\u00ed, co by se dalo vylep\u0161it.<br><br>Stejn\u011b jako u DALL-E 2, obr\u00e1zky, kter\u00e9 vytvo\u0159\u00edte pomoc\u00ed DALL-E 3, jsou va\u0161e k pou\u017eit\u00ed a nepot\u0159ebujete na\u0161e povolen\u00ed k jejich op\u011btovn\u00e9mu vyti\u0161t\u011bn\u00ed, prodeji nebo prodeji.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Uk\u00e1zky pr\u00e1ce od DALL-E<\/h2>\n\n\n\n<p>Prompt: Vytvo\u0159 mi reklamu na matcha latt\u00e9, v co nejv\u00edce realistick\u00e9m stylu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"514\" src=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama.matcha-latte-dall-e.png\" alt=\"\" class=\"wp-image-1054\" srcset=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama.matcha-latte-dall-e.png 900w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama.matcha-latte-dall-e-300x171.png 300w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama.matcha-latte-dall-e-768x439.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption class=\"wp-element-caption\">Zdroj: <a href=\"https:\/\/octodeep.com\/cs\">OCTODEEP<\/a> aplikace<\/figcaption><\/figure>\n\n\n\n<p>Prompt: Vytvo\u0159 mi reklamu na tenisky, kter\u00e9 budou m\u00edt v logu k\u0159\u00ed\u017eek. Chci to jednoduch\u00e9, minimalistick\u00e9, realistick\u00e9, pro mlad\u00e9 lidi. Tenisky mohou b\u00fdt i na n\u011b\u010d\u00ed noze, ale nechci tam cel\u00e9ho \u010dlov\u011bka, ide\u00e1ln\u011b sp\u00ed\u0161 detail na boty.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/octodeep.com\/cs\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"585\" src=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama-na-tenisky-dall-e-1024x585.webp\" alt=\"\" class=\"wp-image-1053\" srcset=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama-na-tenisky-dall-e-1024x585.webp 1024w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama-na-tenisky-dall-e-300x171.webp 300w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama-na-tenisky-dall-e-768x439.webp 768w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama-na-tenisky-dall-e-1536x878.webp 1536w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/reklama-na-tenisky-dall-e.webp 1792w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Zdroj: <a href=\"http:\/\/chatgpt.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Chatgpt.com<\/a><\/figcaption><\/figure>\n\n\n\n<p>Prompt: Vytvo\u0159 mi reklamu na l\u00edskov\u00e9 o\u0159\u00ed\u0161ky. Chci, aby to byla produktov\u00e1 fotka na e-shop, co nejv\u00edce realistick\u00e1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/octodeep.com\/cs\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"514\" src=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/liskove-orisky-open-ai-dalle.png\" alt=\"\" class=\"wp-image-1055\" srcset=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/liskove-orisky-open-ai-dalle.png 900w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/liskove-orisky-open-ai-dalle-300x171.png 300w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/liskove-orisky-open-ai-dalle-768x439.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Zdroj: <a href=\"https:\/\/octodeep.com\/cs\">OCTODEEP<\/a> aplikace<\/figcaption><\/figure>\n\n\n\n<p>Prompt: Zkus vytvo\u0159it tren\u00e9ra, v pozad\u00ed bude fitness, v ruce bude dr\u017eet shaker. Bude se p\u0159\u00edjemn\u011b usm\u00edvat. Fitness bude jednoduch\u00e9, modern\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/chatgpt.com\/g\/g-2fkFE8rbu-dall-e\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/dall-e-ukazka-prompt.jpg\" alt=\"\" class=\"wp-image-1065\" srcset=\"https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/dall-e-ukazka-prompt.jpg 1024w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/dall-e-ukazka-prompt-300x300.jpg 300w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/dall-e-ukazka-prompt-150x150.jpg 150w, https:\/\/octodeep.com\/blog\/wp-content\/uploads\/2025\/04\/dall-e-ukazka-prompt-768x768.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Zdroj: <a href=\"https:\/\/chatgpt.com\/g\/g-2fkFE8rbu-dall-e\" target=\"_blank\" rel=\"noreferrer noopener\">Chatgpt.com<\/a><\/figcaption><\/figure>\n\n\n\n<p>D\u016fle\u017eit\u00e9 je m\u00edt na pam\u011bti, \u017ee v\u00fdsledky s <a rel=\"nofollow\" href=\"https:\/\/octodeep.com\/blog\/generativni-ai-meni-zpusob-jakym-pracujeme\/\">generativn\u00ed AI<\/a> nebudou dokonal\u00e9 hned napoprv\u00e9. Obvykle je pot\u0159eba d\u00e1l zkou\u0161et a upravovat prompty, ne\u017e se \u010dlov\u011bk nau\u010d\u00ed, co je pot\u0159eba, aby model v\u011bd\u011bl. Velmi \u010dasto se nap\u0159\u00edklad st\u00e1v\u00e1, \u017ee pokud nenap\u00ed\u0161eme, \u017ee chceme realistick\u00fd obr\u00e1zek, model n\u00e1m m\u016f\u017ee vygenerovat n\u011bco ve stylu manga apod. Nejlep\u0161\u00ed je u\u017e ze za\u010d\u00e1tku m\u00edt jasnou p\u0159edstavu, nebo se inspirovat u\u017e pou\u017eit\u00fdmi prompty na internetu.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size has-medium-font-size\"><a class=\"wp-block-button__link has-custom-btn-background-color has-background wp-element-button\" href=\"https:\/\/octodeep.com\/cs\">Vyzkou\u0161ejte aplikaci OCTODEEP ZDARMA<\/a><\/div>\n<\/div>\n\n\n\n<p>Aktualizov\u00e1no dne 9.4. 2025<\/p>\n\n\n\n<p>Zdroje:&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Dall-E [online]. [cit. 07. 04. 2025]. Dostupn\u00e9 z: <a href=\"https:\/\/openai.com\/index\/dall-e\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/openai.com\/index\/dall-e\/<\/a><\/li>\n<\/ol>\n\n\n\n<p>2. ChatGPT &#8211; DALL\u00b7E [online]. [cit. 09. 04. 2025]. Dostupn\u00e9 z: <a href=\"https:\/\/chatgpt.com\/g\/g-2fkFE8rbu-dall-e\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/chatgpt.com\/g\/g-2fkFE8rbu-dall-e<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Stejn\u011b jako GPT\u20113 je DALL-E modelem transforma\u010dn\u00edho jazyka od Open AI. P\u0159ij\u00edm\u00e1 text i obr\u00e1zek jako jedin\u00fd proud dat obsahuj\u00edc\u00ed a\u017e 1280 token\u016f a je tr\u00e9nov\u00e1n s maxim\u00e1ln\u00ed pravd\u011bpodobnost\u00ed vygenerov\u00e1n\u00ed v\u0161ech token\u016f jeden po druh\u00e9m.&nbsp; DALL-E um\u00ed nejen vytv\u00e1\u0159et nov\u00e9 obr\u00e1zky, ale tak\u00e9 &#8222;domalovat&#8220; \u010d\u00e1st existuj\u00edc\u00edho obr\u00e1zku tak, aby to vypadalo p\u0159irozen\u011b a odpov\u00eddalo tomu, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1047,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jazykove-modely"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DALL-E: obr\u00e1zkov\u00fd gener\u00e1tor od Open AI | OCTODEEP.COM<\/title>\n<meta name=\"description\" content=\"DALL-E: obr\u00e1zkov\u00fd gener\u00e1tor od Open AI \u2714\ufe0f Synt\u00e9za textu na obraz. \u2714\ufe0f Kl\u00ed\u010dov\u00e9 vlastnosti DALL-E. \u2714\ufe0f Co v\u0161echno DALL-E dok\u00e1\u017ee? 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