{"id":16398,"date":"2022-02-18T10:01:31","date_gmt":"2022-02-18T10:01:31","guid":{"rendered":"https:\/\/www.upjs.sk\/prirodovedecka-fakulta\/actual-news\/26560\/"},"modified":"2022-09-28T12:16:28","modified_gmt":"2022-09-28T12:16:28","slug":"26560","status":"publish","type":"cpt_aktualne_spravy","link":"https:\/\/www.upjs.sk\/prirodovedecka-fakulta\/actual-news\/26560\/","title":{"rendered":"Matematick\u00e9 met\u00f3dy v diagnostike n\u00e1dorov\u00fdch ochoren\u00ed.   Publik\u00e1cia \u00daMV PF UPJ\u0160 patr\u00ed medzi 1% najcitovanej\u0161\u00edch pr\u00e1c vo Web of Science"},"content":{"rendered":"<p style=\"text-align:justify\">Ako odl\u00ed\u0161i\u0165 tkanivo zhubn\u00e9ho a nezhubn\u00e9ho n\u00e1doru? Neinvaz\u00edvne met\u00f3dy diagnostiky s\u00fa pre pacienta prijate\u013enej\u0161ie ako napr\u00edklad biopsia. Aj preto je v\u00fdvoj algoritmick\u00fdch met\u00f3d, ktor\u00e9 pom\u00e1haj\u00fa hodnoti\u0165 \u00a0mieru rizika rakoviny, v s\u00fa\u010dasnosti tak ve\u013emi d\u00f4le\u017eit\u00fd. T\u00fdmto probl\u00e9mom sa zaoberala skupina vedcov, ktorej s\u00fa\u010das\u0165ou je <strong>doc. Mgr. Jozef Kise\u013e\u00e1k, PhD. <\/strong>z \u00dastavu matematick\u00fdch vied PF UPJ\u0160 v Ko\u0161iciach.<\/p>\n<p style=\"text-align:justify\">Neur\u00f3nov\u00e9 v\u00fdpo\u010dty a aktiv\u00e1cie v neur\u00f3nov\u00fdch sie\u0165ach, ako s\u00fa\u010das\u0165 umelej inteligencie, s\u00fa multidisciplin\u00e1rne t\u00e9my, ktor\u00e9 siahaj\u00fa od neurovedy a\u017e po teoretick\u00fa \u0161tatistick\u00fa fyziku. Jedn\u00fdm z najd\u00f4le\u017eitej\u0161\u00edch probl\u00e9mov je v\u00fdber pr\u00edslu\u0161nej aktiva\u010dnej funkcie, teda jadra neur\u00f3nov\u00fdch siet\u00ed pre r\u00f4zne architekt\u00fary. <strong>V pr\u00e1ci, ktor\u00e1 sa stala jednou z najviac citovan\u00fdch vo svojom odbore za rok 2021, kolekt\u00edv autorov zaviedol nov\u00fa aktiva\u010dn\u00fa funkciu \u2018\u2018SPOCU\u2019<\/strong>\u2019 (scaled polynomial constant unit activation function). Jej pr\u00ednosom je, \u017ee v porovnan\u00ed s naj\u010dastej\u0161ie pou\u017e\u00edvan\u00fdmi aktiv\u00e1ciami vylep\u0161uje v\u00fdsledky strojov\u00e9ho u\u010denia, tzv. sebanormalizuj\u00facich neur\u00f3nov\u00fdch siet\u00ed. T\u00fato <strong>nov\u00fa aktiva\u010dn\u00fa funkciu autori aplikovali na rozl\u00ed\u0161enie zhubn\u00fdch a nezhubn\u00fdch rakovinov\u00fdch tkan\u00edv prsn\u00fdch \u017eliaz a prostaty<\/strong>. Pri pou\u017eit\u00ed SPOCU aktiv\u00e1ci\u00ed sa zv\u00fd\u0161ila presnos\u0165 identifik\u00e1cie zhubn\u00fdch n\u00e1dorov\u00fdch tkan\u00edv o 5% &#8211; 10% v porovnan\u00ed v s aktiv\u00e1ciami RELU a SELU.<\/p>\n<p style=\"text-align:justify\">Uveden\u00e1 pr\u00e1ca z\u00edskala prest\u00ed\u017ene ocenenie <strong>\u201eHighly Cited Paper\u201c<\/strong> medzin\u00e1rodne uzn\u00e1vanej datab\u00e1zy Web of Science, ktor\u00e1 zhroma\u017e\u010fuje inform\u00e1cie o obsahu a vplyve vedeck\u00fdch v\u00fdstupov. \u00a0<\/p>\n<p style=\"text-align:justify\">Autorom prajeme e\u0161te ve\u013ea \u010fal\u0161\u00edch \u00faspechov!<\/p>\n<p style=\"text-align:justify\"><strong>Link na Web of Science:\u00a0<\/strong><br \/>\n<a href=\"https:\/\/www.webofscience.com\/wos\/woscc\/full-record\/WOS:000552514000004\" target=\"_blank\" rel=\"noopener\">https:\/\/www.webofscience.com\/wos\/woscc\/full-record\/WOS:000552514000004<\/a><\/p>\n<p style=\"text-align:justify\"><strong>Kise\u013e\u00e1k, J., Lu, Y., \u0160vihra, J.,Szepe, P., Stehl\u00edk, M.,: \u2018\u2018SPOCU\u2019\u2019<\/strong>: scaled polynomial constant unit activation function. Neural Computing and Applications, <strong>33<\/strong> (2021), 3385\u20133401.<br \/>\n<a href=\"https:\/\/doi.org\/10.1007\/s00521-020-05182-1\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1007\/s00521-020-05182-1<\/a><\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"http:\/\/www.upjs.sk\/\/app\/uploads\/sites\/10\/2022\/09\/SPOCU_obr.png\" style=\"width:90%\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align:justify\">Neinvaz\u00edvne met\u00f3dy diagnostiky s\u00fa pre pacienta prijate\u013enej\u0161ie ako biopsia. Preto je v\u00fdvoj algoritmick\u00fdch met\u00f3d,<br \/>\nktor\u00e9 pom\u00e1haj\u00fa hodnoti\u0165 \u00a0mieru rizika rakoviny, ve\u013emi d\u00f4le\u017eit\u00fd. \u00a0Problematikou sa zaoberala skupina vedcov,<br \/>\nktorej s\u00fa\u010das\u0165ou je<span style=\"color:#c0392b\"> doc. Mgr. Jozef Kise\u013e\u00e1k, PhD<\/span>. z \u00daMV PF UPJ\u0160.<\/p>\n","protected":false},"author":1,"featured_media":16400,"menu_order":0,"template":"","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}"},"categories":[],"tags":[],"tax_aktuality":[],"acf":{"acf_link_na_externy_obsah":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Matematick\u00e9 met\u00f3dy v diagnostike n\u00e1dorov\u00fdch ochoren\u00ed.  Publik\u00e1cia \u00daMV PF UPJ\u0160 patr\u00ed medzi 1% najcitovanej\u0161\u00edch pr\u00e1c vo Web of Science - Pr\u00edrodovedeck\u00e1 fakulta | UPJ\u0160<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.upjs.sk\/prirodovedecka-fakulta\/actual-news\/26560\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Matematick\u00e9 met\u00f3dy v diagnostike n\u00e1dorov\u00fdch ochoren\u00ed.  Publik\u00e1cia \u00daMV PF UPJ\u0160 patr\u00ed medzi 1% najcitovanej\u0161\u00edch pr\u00e1c vo Web of Science - Pr\u00edrodovedeck\u00e1 fakulta | UPJ\u0160\" \/>\n<meta property=\"og:description\" content=\"Neinvaz\u00edvne met\u00f3dy diagnostiky s\u00fa pre pacienta prijate\u013enej\u0161ie ako biopsia. 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