{"id":26937,"date":"2026-09-27T19:57:23","date_gmt":"2026-09-27T17:57:23","guid":{"rendered":"https:\/\/www.itspy.cz\/thesis\/analyza-lekarskych-udajov-pomocou-xai-s-metodou-grad-cam\/"},"modified":"2026-09-27T20:08:34","modified_gmt":"2026-09-27T18:08:34","slug":"analyza-lekarskych-udajov-pomocou-xai-s-metodou-grad-cam","status":"publish","type":"thesis","link":"https:\/\/www.itspy.cz\/sk\/thesis\/analyza-lekarskych-udajov-pomocou-xai-s-metodou-grad-cam\/","title":{"rendered":"Anal\u00fdza lek\u00e1rskych \u00fadajov pomocou XAI s met\u00f3dou Grad-CAM"},"content":{"rendered":"<p>Umel\u00e1 inteligencia dnes dok\u00e1\u017ee zo sn\u00edmky magnetickej<br \/>\nrezonancie rozpozna\u0165 \u0161t\u00e1dium Alzheimerovej choroby s<br \/>\npresnos\u0165ou vy\u0161e 99 % \u2013 teda takmer bez chyby. Aby jej lek\u00e1r<br \/>\nmohol d\u00f4verova\u0165, syst\u00e9m k v\u00fdsledku prid\u00e1va farebn\u00fa mapu,<br \/>\nktor\u00e1 ukazuje miesta na sn\u00edmke, ktor\u00e9 ho k rozhodnutiu<br \/>\npriviedli. Probl\u00e9m je, \u017ee tak\u00fato mapu zatia\u013e nikto<br \/>\nsystematicky nepreveruje: vyzer\u00e1 presved\u010divo, no nemus\u00ed<br \/>\nzodpoveda\u0165 skuto\u010dnosti.<\/p>\n<p>Diplomov\u00e1 pr\u00e1ca prin\u00e1\u0161a postup, ako spo\u013eahlivos\u0165 t\u00fdchto<br \/>\nvysvetlen\u00ed overi\u0165. Kombinuje dva testy \u2013 \u010di zv\u00fdraznen\u00e9<br \/>\nmiesta zodpovedaj\u00fa oblastiam mozgu s\u00favisiacim s ochoren\u00edm a<br \/>\n\u010di naozaj ovplyvnili rozhodnutie modelu. Overenie prebehlo<br \/>\nna 1 280 sn\u00edmkach a uk\u00e1zalo, \u017ee d\u00f4veryhodnos\u0165 vysvetlen\u00ed<br \/>\nv\u00fdrazne kol\u00ed\u0161e: model niekedy zv\u00fdraznil oblasti mimo mozgu,<br \/>\ninokedy nevyzna\u010dil takmer ni\u010d. Postup nevy\u017eaduje dodato\u010dn\u00e9<br \/>\nozna\u010dovanie sn\u00edmok lek\u00e1rmi a d\u00e1 sa pou\u017ei\u0165 ako kontrola v<br \/>\npozad\u00ed \u013eubovo\u013en\u00e9ho diagnostick\u00e9ho syst\u00e9mu \u2013 upozorn\u00ed, ke\u010f<br \/>\nsa na vysvetlenie nemo\u017eno spo\u013eahn\u00fa\u0165.<\/p>\n","protected":false},"featured_media":26748,"template":"","meta":{"_acf_changed":false,"_links_to":"","_links_to_target":""},"university":[229,221],"thesis-year":[468],"class_list":["post-26937","thesis","type-thesis","status-publish","has-post-thumbnail","hentry","thesis-year-468"],"acf":{"autor":"Alexandra \u010ci\u017em\u00e1rov\u00e1","portret":"","vedouci":"prof. Ing. Elena Zaitseva, PhD."},"_links":{"self":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis\/26937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis"}],"about":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/types\/thesis"}],"version-history":[{"count":1,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis\/26937\/revisions"}],"predecessor-version":[{"id":27102,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis\/26937\/revisions\/27102"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/media\/26748"}],"wp:attachment":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/media?parent=26937"}],"wp:term":[{"taxonomy":"university","embeddable":true,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/university?post=26937"},{"taxonomy":"thesis-year","embeddable":true,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis-year?post=26937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}