{"id":21981,"date":"2025-09-01T14:13:10","date_gmt":"2025-09-01T13:13:10","guid":{"rendered":"https:\/\/www.arhns.uns.ac.rs\/givsf\/?p=21981"},"modified":"2025-10-03T10:41:46","modified_gmt":"2025-10-03T09:41:46","slug":"analiza-vizuelnih-informacija-fotografije-uz-razlicite-pristupe-pikselizaciji-primjenom-logike-quadtree-data-strukture-faza-ii","status":"publish","type":"post","link":"https:\/\/www.arhns.uns.ac.rs\/givsf\/analiza-vizuelnih-informacija-fotografije-uz-razlicite-pristupe-pikselizaciji-primjenom-logike-quadtree-data-strukture-faza-ii\/","title":{"rendered":"Analiza vizuelnih informacija fotografije kroz pikselizaciju zasnovanu na quadtree strukturi &#8211; faza II"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/image-64.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"449\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/image-64.png\" alt=\"\" class=\"wp-image-23334\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/image-64.png 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/image-64-300x132.png 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/image-64-768x337.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Metoda &#8211; <em>Pikselizacija zasnovana na homogenosti bloka\/poligona<\/em><\/p>\n\n\n\n<p>Metodologija rada na istra\u017eivanju se bazira na upotrebi iste logike u dva razli\u010dita alata: <strong>Grasshopper<\/strong> i <strong>Python<\/strong>. Grasshopper se bazira na geometriji i poligonima, dok se Python bazira na matrici brojeva i matri\u010dnom ra\u010dunu.<\/p>\n\n\n\n<p>Metodologija:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zadata fotografija se dijeli na\u010delno na \u010detiri kvadranta.<\/li>\n\n\n\n<li>U svakom kvadrantu se uzima skup od <strong>devet piksela<\/strong> (odre\u0111eni u U i V pravcu) i ra\u010duna se njihova prosje\u010dna RGB vrijednost.<\/li>\n\n\n\n<li>Odre\u0111uje se RGB vrijednost <strong>centralnog<\/strong> piksela kvadranta.<\/li>\n\n\n\n<li>Poredi se prosje\u010dna boja uzorka sa centralnim pikselom: \n<ul class=\"wp-block-list\">\n<li>ako je razlika <strong>ispod zadatog praga<\/strong> (threshold) onda se kvadrat homogenizuje jednom prosje\u010dnom bojom,<\/li>\n\n\n\n<li>ako je razlika <strong>iznad praga<\/strong> onda se kvadrat dijeli na nova \u010detiri kvadranta i proces se ponavlja rekurzivno dok se ne dostigne odre\u0111eni broj iteracija, odnosno homogenost.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"226\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-1024x226.jpg\" alt=\"\" class=\"wp-image-22412\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-1024x226.jpg 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-300x66.jpg 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-768x170.jpg 768w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-1536x339.jpg 1536w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-2048x452.jpg 2048w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/gh_kod-1568x346.jpg 1568w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Grasshopper kod<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"449\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh-1024x449.jpg\" alt=\"\" class=\"wp-image-22409\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh-1024x449.jpg 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh-300x132.jpg 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh-768x337.jpg 768w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh-1536x674.jpg 1536w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh-1568x688.jpg 1568w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_gh.jpg 1744w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Rezultati dobijeni u Grasshopper-u<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"4096\" height=\"9832\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3.png\" alt=\"\" class=\"wp-image-22419\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3.png 4096w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3-125x300.png 125w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3-427x1024.png 427w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3-768x1844.png 768w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3-640x1536.png 640w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3-853x2048.png 853w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/python_kod-3-1568x3764.png 1568w\" sizes=\"auto, (max-width: 4096px) 100vw, 4096px\" \/><\/a><figcaption class=\"wp-element-caption\">Python kod<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"449\" src=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py-1024x449.jpg\" alt=\"\" class=\"wp-image-22420\" srcset=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py-1024x449.jpg 1024w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py-300x132.jpg 300w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py-768x337.jpg 768w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py-1536x674.jpg 1536w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py-1568x688.jpg 1568w, https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-content\/uploads\/2025\/09\/bisernamindjusa_py.jpg 1744w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Rezultati dobijeni u Python-u<\/figcaption><\/figure>\n\n\n\n<p>Dalji tok istra\u017eivanja \u0107e se bazirati na pore\u0111enju rezultata pikselizacije dobijenih kori\u0161\u0107enjem Grasshopper-a i Python-a, pronala\u017eenju granice prepoznatljivosti, a potom i definisanju ta\u010dnog broja podjela za prepoznatljivu sliku.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metoda &#8211; Pikselizacija zasnovana na homogenosti bloka\/poligona Metodologija rada na istra\u017eivanju se bazira na upotrebi iste logike u dva razli\u010dita alata: Grasshopper i Python. Grasshopper se bazira na geometriji i poligonima, dok se Python bazira na matrici brojeva i matri\u010dnom ra\u010dunu. Metodologija: Dalji tok istra\u017eivanja \u0107e se bazirati na pore\u0111enju rezultata pikselizacije dobijenih kori\u0161\u0107enjem Grasshopper-a&hellip; <a class=\"more-link\" href=\"https:\/\/www.arhns.uns.ac.rs\/givsf\/analiza-vizuelnih-informacija-fotografije-uz-razlicite-pristupe-pikselizaciji-primjenom-logike-quadtree-data-strukture-faza-ii\/\">Continue reading <span class=\"screen-reader-text\">Analiza vizuelnih informacija fotografije kroz pikselizaciju zasnovanu na quadtree strukturi &#8211; faza II<\/span><\/a><\/p>\n","protected":false},"author":655,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[656],"tags":[657],"coauthors":[652],"class_list":["post-21981","post","type-post","status-publish","format-standard","hentry","category-24-25-radovi","tag-24-25","entry"],"_links":{"self":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/21981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/users\/655"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/comments?post=21981"}],"version-history":[{"count":13,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/21981\/revisions"}],"predecessor-version":[{"id":23335,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/posts\/21981\/revisions\/23335"}],"wp:attachment":[{"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/media?parent=21981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/categories?post=21981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/tags?post=21981"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.arhns.uns.ac.rs\/givsf\/wp-json\/wp\/v2\/coauthors?post=21981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}