{"id":4066,"date":"2026-05-18T10:56:26","date_gmt":"2026-05-18T08:56:26","guid":{"rendered":"https:\/\/btop.pl\/?p=4066"},"modified":"2026-09-04T12:04:58","modified_gmt":"2026-09-04T10:04:58","slug":"jak-vytvorit-dobry-obrazek-produktu-v-ai-fishing","status":"publish","type":"post","link":"https:\/\/btop.pl\/cs\/jak-vytvorit-dobry-obrazek-produktu-v-ai-fishing\/","title":{"rendered":"Jak vytvo\u0159it dobrou produktovou fotografii v AI? Ryba\u0159en\u00ed"},"content":{"rendered":"

Pro\u010d okam\u017eit\u011b vygenerovan\u00fd obr\u00e1zek produktu vypad\u00e1 nebesk\u00fd<\/strong>, a jindy se na n\u011b boj\u00edte pod\u00edvat?<\/strong><\/p>\n

D\u016fvod je pom\u011brn\u011b jednoduch\u00fd, ale to neznamen\u00e1, \u017ee je tak snadn\u00e9 ho napravit. Co tedy m\u016f\u017eete ud\u011blat, abyste vygenerovali profesion\u00e1ln\u00ed fotografii bez milionu opakov\u00e1n\u00ed? Projdeme si to krok za krokem.<\/p>\n

 <\/p>\n

Pro\u010d um\u011bl\u00e1 inteligence generuje n\u011bkter\u00e9 polo\u017eky dokonale a jin\u00e9 s mno\u017estv\u00edm chyb?<\/strong><\/p>\n

Ka\u017ed\u00e1 um\u011bl\u00e1 inteligence je spojena s ur\u010ditou knihovnou obr\u00e1zk\u016f, z nich\u017e se algoritmus nau\u010dil generovat. D\u00edky dlouh\u00fdm proces\u016fm opakovan\u00e9ho ozna\u010dov\u00e1n\u00ed a popisov\u00e1n\u00ed jednotliv\u00fdch objekt\u016f dok\u00e1\u017e\u00ed modely UI t\u00e9m\u011b\u0159 dokonale rozpozn\u00e1vat obli\u010deje, rysy, tvary a objekty. Pokud jak\u00e9mukoli nov\u011bj\u0161\u00edmu modelu AI po\u0161leme obr\u00e1zek \u0161\u00e1lku na stole, AI tento objekt ur\u010dit\u011b spr\u00e1vn\u011b pojmenuje. Podobn\u011b je tomu s generov\u00e1n\u00edm: pokud po\u017e\u00e1d\u00e1me AI, aby vygenerovala fotografii hrnku, ud\u011bl\u00e1 to tak\u00e9 spr\u00e1vn\u011b.<\/p>\n

\"\"<\/p>\n

(model: GPT thinking 5.5)<\/p>\n

Jak vid\u00edte, um\u011bl\u00e1 inteligence si poradila obdivuhodn\u011b. Tak\u017ee trochu zv\u00fd\u0161\u00edme v\u00fdzvu, abychom z\u00edskali naaran\u017eovanou fotografii.<\/p>\n

\"\"<\/p>\n

Dnes nebudeme porovn\u00e1vat modely, tak\u017ee z\u00e1v\u011bry shrneme do celkov\u00e9ho obrazu: hrnek, kter\u00fd je p\u0159edm\u011bt b\u011b\u017en\u00e9ho u\u017e\u00edv\u00e1n\u00ed<\/strong>, kter\u00fd je pom\u011brn\u011b popul\u00e1rn\u00ed, byl vygenerov\u00e1n bez probl\u00e9m\u016f. Co v\u0161ak s nestandardn\u00edm odborn\u00fdm p\u0159edm\u011btem? Podle na\u0161ich zku\u0161enost\u00ed jsme zaznamenali jedine\u010dn\u00e9 pot\u00ed\u017ee, pokud jde o obr\u00e1zky ve form\u00e1tu kategorie rybolovu<\/strong>. Pokud je n\u011bkdo obezn\u00e1men s t\u00edmto odv\u011btv\u00edm, je mu podoba aukc\u00ed ryb\u00e1\u0159sk\u00fdch produkt\u016f pom\u011brn\u011b dob\u0159e zn\u00e1m\u00e1. Obvykle se konaj\u00ed \u0161patn\u00e9 obr\u00e1zky<\/strong> a jejich kvalita je velmi diskutabiln\u00ed: m\u00edsto kvalitn\u00ed ateli\u00e9rov\u00e9 fotografie \u010dasto vid\u00edme pixelov\u00e9 obaly nebo nejasn\u00e9 detailn\u00ed z\u00e1b\u011bry v\u00fdrobku.<\/strong>. V aukci je \u010dasto pouze jedna fotografie, tak\u017ee z\u00e1kazn\u00edk kupuje zbo\u017e\u00ed kr\u00e1tce naslepo. Jak si AI s takov\u00fdmi produkty porad\u00ed?<\/p>\n

Za\u010dn\u011bme vygenerov\u00e1n\u00edm jednoduch\u00e9ho objektu: b\u00edlkovinn\u00e9 kuli\u010dky.<\/p>\n

\"\"<\/p>\n

Pot\u00e9 bychom p\u0159ipravili podn\u011bt k aran\u017eovan\u00e9 fotografii. \u00da\u010delem poh\u00e1ru bylo nap\u00edt se z n\u011bj - to byl tak\u00e9 n\u00e1\u0161 podn\u011bt. \u00da\u010delem b\u00edlkovinn\u00e9 kuli\u010dky je \u201enabrat\u201d ji na h\u00e1\u010dek - pod\u00edvejme se, jak by si um\u011bl\u00e1 inteligence s takovou fotografi\u00ed poradila.<\/p>\n

\"\"<\/p>\n

Asi nemus\u00edte b\u00fdt ryb\u00e1\u0159em, abyste si v\u0161imli, \u017ee takto se proteinov\u00e1 kuli\u010dka na h\u00e1\u010dek nenavl\u00e9k\u00e1 (p\u0159edev\u0161\u00edm by vlasec s kuli\u010dkou nem\u011bl b\u00fdt p\u0159ipevn\u011bn ke \u0161pi\u010dce h\u00e1\u010dku, ale m\u011bl by b\u00fdt na stejn\u00e9m vlasci jako h\u00e1\u010dek). D\u0159\u00edve jsme se zm\u00ednili, \u017ee kvalita obr\u00e1zk\u016f generovan\u00fdch um\u011blou inteligenc\u00ed z\u00e1vis\u00ed na knihovn\u011b, na kter\u00e9 se u\u010dila. \u010casto byly knihovny vytvo\u0159eny z existuj\u00edc\u00edch shluk\u016f obr\u00e1zk\u016f (nap\u0159. banky obr\u00e1zk\u016f). P\u0159i surfov\u00e1n\u00ed po internetu se v\u0161ak nelze p\u0159esv\u011bd\u010dit, \u017ee by nap\u0159. specializovan\u00e1 odv\u011btv\u00ed<\/strong> (nap\u0159. rybolov, stavebnictv\u00ed) maj\u00ed zna\u010dn\u00fd deficit<\/strong>. To znamen\u00e1, \u017ee AI nem\u011bla dostatek sn\u00edmk\u016f ke zpracov\u00e1n\u00ed, aby vytvo\u0159ila platn\u00e9 sch\u00e9ma generov\u00e1n\u00ed fotografi\u00ed.<\/strong> \u201edostat proteinovou kuli\u010dku na h\u00e1\u010dek\u201d. N\u00ed\u017ee jsou uvedeny n\u011bkter\u00e9 z na\u0161ich dal\u0161\u00edch p\u0159\u00edklad\u016f nespr\u00e1vn\u011b vygenerovan\u00fdch obr\u00e1zk\u016f:<\/p>\n

\"\"<\/p>\n

(m\u016f\u017eeme v\u00e1s ujistit, \u017ee toto nen\u00ed spr\u00e1vn\u00e9 pou\u017eit\u00ed t\u011bchto ryb\u00e1\u0159sk\u00fdch p\u0159edm\u011bt\u016f)<\/p>\n

 <\/p>\n

Jak tedy vygenerovat spr\u00e1vn\u00fd obr\u00e1zek produktu?<\/strong><\/p>\n

P\u0159edev\u0161\u00edm stoj\u00ed za to zjednodu\u0161it v\u00fdzvu<\/strong>. Pokud popis p\u0159esn\u00e9ho pou\u017eit\u00ed v\u00fdrobku nem\u00e1 po\u017eadovan\u00fd \u00fa\u010dinek, m\u016f\u017ee velmi pomoci omezen\u00ed \u201epou\u017eit\u00ed\u201d na pouh\u00e9 dr\u017een\u00ed v\u00fdrobku v ruce nebo jeho polo\u017een\u00ed na st\u016fl. Nem\u00e1 cenu trvat na slo\u017eit\u00fdch sekvenc\u00edch, pokud s nimi m\u00e1 UI zjevn\u011b probl\u00e9m. V p\u0159\u00edpad\u011b generov\u00e1n\u00ed n\u011bkolika produkt\u016f lze sn\u00ed\u017eit<\/strong>. \u010casto se st\u00e1v\u00e1, \u017ee dva nebo t\u0159i v\u00fdrobky vypadaj\u00ed jako origin\u00e1l, ale ostatn\u00ed maj\u00ed nejr\u016fzn\u011bj\u0161\u00ed defigurace a ztr\u00e1ty.<\/p>\n

Pokud fotografie st\u00e1le nevypad\u00e1 uspokojiv\u011b, m\u016f\u017eete sami prohledat banky obr\u00e1zk\u016f, na kter\u00e9 m\u00e1te n\u00e1rok (nebo kter\u00e9 jsou zdarma), a po\u0159\u00eddit si fotografii. referen\u010dn\u00ed fotografie<\/strong>. Pr\u00e1ce s takovou fotografi\u00ed je o n\u011bco slo\u017eit\u011bj\u0161\u00ed, ale ve v\u00fdjime\u010dn\u00fdch p\u0159\u00edpadech m\u016f\u017ee b\u00fdt n\u011bkdy efektivn\u011bj\u0161\u00ed ne\u017e nekone\u010dn\u00fd boj s n\u00e1pov\u011bdami. Sta\u010d\u00ed tedy nahr\u00e1t referen\u010dn\u00ed fotografii a fotografii na\u0161eho produktu do UI a po\u017e\u00e1dat ji o v\u00fdm\u011bnu polo\u017eek.<\/strong>. Na na\u0161em p\u0159\u00edkladu s proteinovou kuli\u010dkou by to vypadalo n\u00e1sledovn\u011b: najdeme fotografii ryb\u00e1\u0159e, kter\u00fd nab\u00edr\u00e1 proteinovou kuli\u010dku, nahrajeme ob\u011b fotografie do UI a p\u0159id\u00e1me v\u00fdzvu \u201e.\u201eP\u0159ikl\u00e1d\u00e1m dv\u011b fotografie: jednu naaran\u017eovanou, kde ryb\u00e1\u0159 na h\u00e1\u010dek nasazuje proteinovou kuli\u010dku, a druhou s proteinovou kuli\u010dkou na b\u00edl\u00e9m pozad\u00ed. Vym\u011b\u0148te proteinovou kuli\u010dku (kterou ryb\u00e1\u0159 nasazuje na h\u00e1\u010dek) za kuli\u010dku podobnou t\u00e9 na fotografii s b\u00edl\u00fdm pozad\u00edm.<\/em>.\u201d. Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f by AI nem\u011bla m\u00edt s takovou jednoduchou \u00fapravou probl\u00e9m, ale nalezen\u00ed referen\u010dn\u00ed fotografie m\u016f\u017ee b\u00fdt n\u011bkdy \u010dasov\u011b n\u00e1ro\u010dn\u00e9.<\/p>\n

Dal\u0161\u00ed formou zlep\u0161en\u00ed v\u00fdsledku aran\u017eovan\u00fdch fotografi\u00ed, kterou stoj\u00ed za to zn\u00e1t a pou\u017e\u00edvat, je oprava hlavn\u00ed fotografie<\/strong>. To je \u010dast\u00fd p\u0159\u00edpad produktov\u00e9 fotografie, kter\u00e1 jsou zrcadlov\u011b obr\u00e1cen\u00e9, nejsou vycentrovan\u00e9, jsou oto\u010den\u00e9 \u0161patn\u011b nebo jsou vzh\u016fru nohama (nebo bokem).<\/strong>. Nejprve je vhodn\u00e9 spr\u00e1vn\u011b<\/strong> takovou fotografii a teprve pot\u00e9 ji vlo\u017ete do UI. A to i v p\u0159\u00edpad\u011b, \u017ee jsme do v\u00fdzvy zahrnuli, \u017ee objekt z fotografie le\u017e\u00ed bokem a m\u011bl by b\u00fdt svisl\u00fd, AI<\/strong> ne v\u017edy tato doporu\u010den\u00ed uplat\u0148uje<\/strong>. Pak se vyplat\u00ed p\u0159edb\u011bhnout um\u011blou inteligenci a fotografii na za\u010d\u00e1tku oto\u010dit - to lze prov\u00e9st b\u011bhem n\u011bkolika sekund prost\u0159ednictv\u00edm vestav\u011bn\u00e9ho editoru fotografi\u00ed\/p\u0159ehr\u00e1va\u010de v syst\u00e9mu nebo specializovan\u00fdch aplikac\u00ed.<\/p>\n

N\u00ed\u017ee je uveden p\u0159\u00edklad spr\u00e1vn\u011b vygenerovan\u00e9ho obr\u00e1zku d\u0159\u00edve koncipovan\u00e9 koule pomoc\u00ed jedn\u00e9 z v\u00fd\u0161e popsan\u00fdch metod:
\n\"\"<\/p>\n

Na z\u00e1v\u011br stru\u010dn\u00e9 shrnut\u00ed, jak se vypo\u0159\u00e1dat s nespr\u00e1vn\u00fdm generov\u00e1n\u00edm:<\/strong><\/p>\n

    \n
  1. Zjednodu\u0161en\u00ed v\u00fdzvy<\/li>\n
  2. Zm\u011bna pou\u017eit\u00ed v\u00fdrobku<\/li>\n
  3. Sn\u00ed\u017een\u00ed po\u010dtu produkt\u016f generovan\u00fdch na jeden obr\u00e1zek (jeden produkt vs. n\u011bkolik)<\/li>\n
  4. Zm\u011bna modelu um\u011bl\u00e9 inteligence<\/li>\n
  5. Pou\u017eit\u00ed referen\u010dn\u00ed fotografie<\/li>\n
  6. Oprava\/zm\u011bna rodi\u010dovsk\u00e9 fotografie<\/li>\n<\/ol>\n

     <\/p>\n

    Stru\u010dn\u011b \u0159e\u010deno, generov\u00e1n\u00ed sn\u00edmk\u016f z pr\u016fmyslov\u00fdch odv\u011btv\u00ed s mal\u00e1 fotobanka<\/strong> vede k tomu, \u017ee mnoho chyb a nedostatk\u016f um\u011bl\u00e9 inteligence<\/strong>. Existuj\u00ed zp\u016fsoby n\u00e1pravy, ale ne v\u017edy jsou \u00fa\u010dinn\u00e9. Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee navzdory v\u0161emu skute\u010dn\u00e9 fotografie<\/strong> tak\u00e9 na b\u00edl\u00e9m pozad\u00ed by m\u011bly b\u00fdt zahrnuty do na\u0161ich nab\u00eddek.<\/strong> V p\u0159\u00edpad\u011b aran\u017eovan\u00fdch fotografi\u00ed m\u016f\u017ee pomoci um\u011bl\u00e1 inteligence, ale z\u00e1kazn\u00edci d\u00e1vaj\u00ed p\u0159ednost spr\u00e1vn\u011b vygenerovan\u00fdm fotografi\u00edm, kter\u00e9 zobrazuj\u00ed bezchybn\u00fd a realistick\u00fd z\u00e1b\u011br produktu. Nem\u00e1 cenu nahr\u00e1vat fotografie po\u0159\u00edzen\u00e9 \u201ena jeden z\u00e1tah\u201d, kter\u00e9 z\u00e1kazn\u00edka klamou o vzhledu v\u00fdrobku. Nezapome\u0148te, \u017ee n\u00e1\u0161 p\u0159\u00edjemce je \u010dlov\u011bk - a pr\u00e1v\u011b pro n\u011bj fotografie p\u0159ipravujeme.<\/p>\n

     <\/p>\n

    Autor blogu: Nikola - bTOP Graphic Designer<\/em>
    \nDatum vyd\u00e1n\u00ed: 18.05.2026r.<\/em><\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"

    Pro\u010d jednou vypad\u00e1 vygenerovan\u00e1 produktov\u00e1 fotografie \u00fa\u017easn\u011b, a jindy se na ni ned\u00e1 ani pod\u00edvat? D\u016fvod je vlastn\u011b docela jednoduch\u00fd, ale to je\u0161t\u011b neznamen\u00e1, \u017ee se to d\u00e1 tak snadno vy\u0159e\u0161it. Co tedy ud\u011blat, abyste vygenerovali profesion\u00e1ln\u00ed fotografii bez milionu opakovan\u00fdch pokus\u016f? Projdeme si to krok za krokem. \u00a0 Pro\u010d AI n\u011bkter\u00e9 p\u0159edm\u011bty generuje dokonale, zat\u00edmco jin\u00e9 jsou pln\u00e9 chyb? Ka\u017ed\u00e1 AI je propojena s konkr\u00e9tn\u00ed knihovnou fotografi\u00ed, na jej\u00edm\u017e z\u00e1klad\u011b se algoritmus nau\u010dil generovat. Prost\u0159ednictv\u00edm P\u0159e\u010dt\u011bte si v\u00edce <\/a><\/span><\/p>","protected":false},"author":2,"featured_media":4086,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,76,42,44,66,62,45,64,63,47,83,65,82,72,77,46,69,73,71,70,88,87,81,78,80,79,67,84,74,89,75],"tags":[],"class_list":["post-4066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktualnosci","category-aliexpress","category-allegro","category-amazon","category-black-red-white","category-castorama","category-cdiscount","category-decathlon","category-ebay","category-emag","category-empikplace","category-homeyou","category-home24","category-inpost","category-joom","category-kaufland","category-leroy-merlin","category-manomano","category-mediaexpert","category-mediamarkt","category-obi-de","category-otto","category-pigu","category-shein","category-skroutz","category-super-pharm","category-temu","category-tiktok-shop","category-trendyol","category-vente-unique","category-xxxlutz"],"_links":{"self":[{"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/posts\/4066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/comments?post=4066"}],"version-history":[{"count":13,"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/posts\/4066\/revisions"}],"predecessor-version":[{"id":4150,"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/posts\/4066\/revisions\/4150"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/media\/4086"}],"wp:attachment":[{"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/media?parent=4066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/categories?post=4066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/btop.pl\/cs\/wp-json\/wp\/v2\/tags?post=4066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}