{"id":11618,"date":"2025-05-25T23:15:55","date_gmt":"2025-05-25T21:15:55","guid":{"rendered":"https:\/\/geopard.tech\/?p=11618"},"modified":"2025-05-25T23:15:55","modified_gmt":"2025-05-25T21:15:55","slug":"vysoko-presne-modely-umelej-inteligencie-klasifikuju-topograficke-mapy-rychlejsie-ako-tradicne","status":"publish","type":"post","link":"https:\/\/geopard.tech\/sk\/blog\/high-accuracy-ai-models-classifies-topographic-mapping-faster-than-traditional\/","title":{"rendered":"Vysoko presn\u00e9 modely umelej inteligencie klasifikuj\u00fa topografick\u00e9 mapovanie r\u00fdchlej\u0161ie ako tradi\u010dn\u00e9"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\">Indon\u00e9zia, krajina s viac ako 17 000 ostrovmi s rozlohou 1,9 mili\u00f3na \u0161tvorcov\u00fdch kilometrov, \u010del\u00ed kritickej v\u00fdzve pri vytv\u00e1ran\u00ed podrobn\u00fdch m\u00e1p na podporu svojich rozvojov\u00fdch cie\u013eov.<\/p>\n<p class=\"ds-markdown-paragraph\">Ke\u010f\u017ee iba 3% krajiny pokr\u00fdvaj\u00fa rozsiahle topografick\u00e9 mapy (mierka 1:5000), tradi\u010dn\u00e9 met\u00f3dy, ako je manu\u00e1lne stereopl\u00e1novanie a ter\u00e9nne prieskumy, s\u00fa pr\u00edli\u0161 pomal\u00e9 na to, aby splnili naliehav\u00e9 potreby urbanistick\u00e9ho pl\u00e1novania, mana\u017ementu katastrof a ochrany \u017eivotn\u00e9ho prostredia.<\/p>\n<p class=\"ds-markdown-paragraph\">Prelomov\u00e1 \u0161t\u00fadia publikovan\u00e1 v roku\u00a0<em>Dia\u013ekov\u00fd prieskum<\/em> v roku 2025 pon\u00faka rie\u0161enie: r\u00e1mec hlbok\u00e9ho u\u010denia, ktor\u00fd automatizuje klasifik\u00e1ciu krajinnej pokr\u00fdvky pomocou satelitn\u00fdch sn\u00edmok s ve\u013emi vysok\u00fdm rozl\u00ed\u0161en\u00edm.<\/p>\n<h2>V\u00fdzva mapovania Indon\u00e9zie <strong>Topografia<\/strong><\/h2>\n<p class=\"ds-markdown-paragraph\">Ve\u013ekos\u0165 a zlo\u017eitos\u0165 Indon\u00e9zie robia z mapovania monument\u00e1lnu \u00falohu. Agent\u00fara pre geopriestorov\u00e9 inform\u00e1cie (BIG), zodpovedn\u00e1 za n\u00e1rodn\u00e9 mapovanie, v s\u00fa\u010dasnosti ro\u010dne vytv\u00e1ra 13 000 \u0161tvorcov\u00fdch kilometrov topografick\u00fdch m\u00e1p.<\/p>\n<p class=\"ds-markdown-paragraph\">Pri tomto tempe by mapovanie celej krajiny trvalo viac ako storo\u010die. Aj keby sme vyl\u00fa\u010dili zalesnen\u00e9 oblasti, ktor\u00e9 pokr\u00fdvaj\u00fa takmer polovicu Indon\u00e9zie, dokon\u010denie zost\u00e1vaj\u00faceho ter\u00e9nu by si st\u00e1le vy\u017eadovalo 60 rokov.<\/p>\n<p class=\"ds-markdown-paragraph\">Tento pomal\u00fd pokrok je v rozpore s n\u00e1rodn\u00fdmi prioritami, ako napr\u00edklad\u00a0<em>Politika jednej mapy<\/em>, zaveden\u00e1 v roku 2016 s cie\u013eom \u0161tandardizova\u0165 mapy naprie\u010d sektormi a pred\u00eds\u0165 konfliktom vo vyu\u017e\u00edvan\u00ed p\u00f4dy. Zmena mierky tejto politiky na mapy v mierke 1:5 000 je nevyhnutn\u00e1, ale v\u00fdrazne me\u0161k\u00e1.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Topografick\u00e9 mapy<\/strong>\u00a0s\u00fa detailn\u00e9 zn\u00e1zornenia pr\u00edrodn\u00fdch a \u010dlovekom vytvoren\u00fdch prvkov na zemskom povrchu vr\u00e1tane nadmorskej v\u00fd\u0161ky (kopce, \u00fadolia), vodn\u00fdch pl\u00f4ch, ciest, budov a veget\u00e1cie.<\/p>\n<p class=\"ds-markdown-paragraph\">Sl\u00fa\u017eia ako z\u00e1kladn\u00e9 n\u00e1stroje pre pl\u00e1novanie infra\u0161trukt\u00fary, reakciu na katastrofy a monitorovanie \u017eivotn\u00e9ho prostredia. Pre Indon\u00e9ziu je vytvorenie t\u00fdchto m\u00e1p v mierke 1:5000 (kde 1 cm na mape sa rovn\u00e1 50 metrom na zemi) k\u013e\u00fa\u010dov\u00e9 pre presnos\u0165 v projektoch, ako je v\u00fdstavba ciest alebo modelovanie povodn\u00ed.<\/p>\n<p><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"11624\" data-permalink=\"https:\/\/geopard.tech\/sk\/blog\/high-accuracy-ai-models-classifies-topographic-mapping-faster-than-traditional\/the-challenge-of-mapping-indonesias-topography\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?fit=1024%2C1024&amp;ssl=1\" data-orig-size=\"1024,1024\" data-comments-opened=\"1\" data-image-title=\"The Challenge of Mapping Indonesia\u2019s Topography\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?fit=1024%2C1024&amp;ssl=1\" class=\"alignnone size-full wp-image-11624\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?resize=810%2C810&#038;ssl=1\" alt=\"V\u00fdzva mapovania topografie Indon\u00e9zie\" width=\"810\" height=\"810\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/The-Challenge-of-Mapping-Indonesias-Topography.webp?resize=120%2C120&amp;ssl=1 120w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u00dadaje o krajinnej pokr\u00fdvke<\/strong>, podmno\u017eina topografick\u00fdch m\u00e1p, sa vz\u0165ahuje na fyzick\u00fd materi\u00e1l na zemskom povrchu, ako s\u00fa lesy, mestsk\u00e9 oblasti alebo voda. Na rozdiel od\u00a0<em>vyu\u017eitie p\u00f4dy<\/em>\u00a0(ktor\u00fd opisuje, ako \u013eudia vyu\u017e\u00edvaj\u00fa p\u00f4du, napr. obytn\u00e9 alebo priemyseln\u00e9 z\u00f3ny), p\u00f4da sa zameriava na pozorovate\u013en\u00e9 prvky.<\/p>\n<p class=\"ds-markdown-paragraph\">Presn\u00e9 mapy krajinnej pokr\u00fdvky pom\u00e1haj\u00fa vl\u00e1dam sledova\u0165 odles\u0148ovanie, monitorova\u0165 rozrastanie miest alebo posudzova\u0165 po\u013enohospod\u00e1rsku produktivitu. Analytici tradi\u010dne manu\u00e1lne ozna\u010duj\u00fa tieto prvky pixel po pixeli pomocou leteck\u00fdch fotografi\u00ed alebo satelitn\u00fdch sn\u00edmok, \u010do je proces, ktor\u00fd je \u010dasovo n\u00e1ro\u010dn\u00fd a n\u00e1chyln\u00fd na \u013eudsk\u00e9 chyby.<\/p>\n<p class=\"ds-markdown-paragraph\">Napr\u00edklad identifik\u00e1cia ciest alebo mal\u00fdch budov v husto os\u00eddlen\u00fdch mestsk\u00fdch oblastiach m\u00f4\u017ee trva\u0165 dni d\u00f4kladnej pr\u00e1ce. \u0160t\u00fadia z roku 2025 rie\u0161i toto \u00fazke miesto nahraden\u00edm manu\u00e1lnej pr\u00e1ce umelou inteligenciou, konkr\u00e9tne hlbok\u00fdm u\u010den\u00edm, s cie\u013eom automatizova\u0165 klasifik\u00e1ciu krajinnej pokr\u00fdvky.<\/p>\n<h2><strong>Anal\u00fdza satelitn\u00fdch sn\u00edmok riaden\u00e1 umelou inteligenciou\u00a0<\/strong><\/h2>\n<p class=\"ds-markdown-paragraph\">V\u00fdskum sa zameral na mesto Mataram, mal\u00fa, ale rozmanit\u00fa mestsk\u00fa oblas\u0165 na ostrove Lombok, ako testovac\u00ed pr\u00edpad. T\u00edm pou\u017eil\u00a0<strong>Satelitn\u00e9 sn\u00edmky Plej\u00e1d<\/strong>\u00a0z roku 2015, ktor\u00fd zah\u0155\u0148al panchromatick\u00e9 (0,5 metra) a multispektr\u00e1lne (2 metre) d\u00e1ta s vysok\u00fdm rozl\u00ed\u0161en\u00edm.<\/p>\n<p>Panchromatick\u00e9 sn\u00edmky zachyt\u00e1vaj\u00fa jemn\u00e9 priestorov\u00e9 detaily v odtie\u0148och sivej, zatia\u013e \u010do multispektr\u00e1lne sn\u00edmky poskytuj\u00fa farebn\u00e9 a infra\u010derven\u00e9 inform\u00e1cie v \u0161pecifick\u00fdch vlnov\u00fdch rozsahoch (napr. \u010derven\u00e1, zelen\u00e1, modr\u00e1, bl\u00edzke infra\u010derven\u00e9 \u017eiarenie).<\/p>\n<p class=\"ds-markdown-paragraph\">Na skombinovanie t\u00fdchto siln\u00fdch str\u00e1nok v\u00fdskumn\u00edci pou\u017eili techniku naz\u00fdvan\u00fa pan-sharpening, ktor\u00e1 sp\u00e1ja d\u00e1ta v odtie\u0148och sivej s vysok\u00fdm rozl\u00ed\u0161en\u00edm s farebn\u00fdmi sn\u00edmkami s ni\u017e\u0161\u00edm rozl\u00ed\u0161en\u00edm. Tento proces vytvoril ostr\u00e9 a detailn\u00e9 sn\u00edmky s rozl\u00ed\u0161en\u00edm 0,5 metra, ide\u00e1lne na detekciu mal\u00fdch prvkov, ako s\u00fa cesty alebo jednotliv\u00e9 budovy.<\/p>\n<p class=\"ds-markdown-paragraph\">Pan-sharpening je nevyhnutn\u00fd, preto\u017ee zachov\u00e1va bohat\u00e9 spektr\u00e1lne inform\u00e1cie multispektr\u00e1lnych \u00fadajov a z\u00e1rove\u0148 zvy\u0161uje priestorov\u00fa jasnos\u0165, \u010d\u00edm zabezpe\u010duje presn\u00e9 zladenie farieb s fyzik\u00e1lnymi prvkami.<\/p>\n<p>T\u00edm n\u00e1sledne extrahoval z obr\u00e1zkov \u010fal\u0161ie inform\u00e1cie na zlep\u0161enie presnosti klasifik\u00e1cie. Vypo\u010d\u00edtali index normalizovanej diferen\u010dnej veget\u00e1cie (NDVI), \u010do je miera zdravia rastl\u00edn odvoden\u00e1 z odrazu bl\u00edzkeho infra\u010derven\u00e9ho (NIR) a \u010derven\u00e9ho svetla.<\/p>\n<p class=\"ds-markdown-paragraph\">Zdrav\u00e1 veget\u00e1cia odr\u00e1\u017ea viac bl\u00edzkeho infra\u010derven\u00e9ho svetla a absorbuje viac \u010derven\u00e9ho svetla v\u010faka aktivite chlorofylu. Recept\u00fara\u00a0<span class=\"katex\"><span class=\"katex-mathml\">NDVI=(NIR\u2212\u010derven\u00e1)\/(NIR+\u010derven\u00e1)<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord text\"><span class=\"mord\">NDVI<\/span><\/span><span class=\"mrel\">=<\/span><\/span><span class=\"base\"><span class=\"mopen\">(<\/span><span class=\"mord text\"><span class=\"mord\">Bl\u00edzky infra\u010derven\u00fd \u017eiarovkov\u00fd p\u00e1s<\/span><\/span><span class=\"mbin\">\u2212<\/span><\/span><span class=\"base\"><span class=\"mord text\"><span class=\"mord\">\u010cerven\u00e1<\/span><\/span><span class=\"mclose\">)<\/span><span class=\"mord\">\/<\/span><span class=\"mopen\">(<\/span><span class=\"mord text\"><span class=\"mord\">Bl\u00edzky infra\u010derven\u00fd \u017eiarovkov\u00fd p\u00e1s<\/span><\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord text\"><span class=\"mord\">\u010cerven\u00e1<\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span>\u00a0vytv\u00e1ra hodnoty medzi -1 a 1, kde vy\u0161\u0161ie hodnoty nazna\u010duj\u00fa hustej\u0161iu a zdrav\u0161iu veget\u00e1ciu.<\/p>\n<p class=\"ds-markdown-paragraph\">NDVI je neocenite\u013en\u00fd na rozl\u00ed\u0161enie lesov, po\u013enohospod\u00e1rskej p\u00f4dy a mestskej zelene. Napr\u00edklad v tejto \u0161t\u00fadii NDVI pomohol rozl\u00ed\u0161i\u0165 medzi bujnou plant\u00e1\u017eou a holou p\u00f4dou.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Anal\u00fdza text\u00fary<\/strong>\u00a0bol \u010fal\u0161\u00edm k\u013e\u00fa\u010dov\u00fdm krokom. Pomocou \u0161tatistickej met\u00f3dy naz\u00fdvanej Gray-Level Co-occurrence Matrix (GLCM) v\u00fdskumn\u00edci kvantifikovali vzory v sn\u00edmkach, ako napr\u00edklad drsnos\u0165 po\u013enohospod\u00e1rskych pol\u00ed oproti hladkosti spevnen\u00fdch ciest.<\/p>\n<p class=\"ds-markdown-paragraph\">GLCM funguje tak, \u017ee analyzuje, ako \u010dasto sa v obraze vyskytuj\u00fa dvojice pixelov so \u0161pecifick\u00fdmi hodnotami a priestorov\u00fdmi vz\u0165ahmi (napr. horizont\u00e1lne susediace). Z tejto matice sa vypo\u010d\u00edtaj\u00fa metriky ako\u00a0<em>homogenita<\/em>\u00a0(jednotnos\u0165 hodn\u00f4t pixelov),\u00a0<em>kontrast<\/em>\u00a0(lok\u00e1lne zmeny intenzity) a\u00a0<em>entropia<\/em>\u00a0(n\u00e1hodnos\u0165 rozlo\u017eenia pixelov).<\/p>\n<p class=\"ds-markdown-paragraph\">Tieto metriky text\u00fary pomohli modelu umelej inteligencie rozli\u0161ova\u0165 medzi podobne vyzeraj\u00facimi typmi krajinnej pokr\u00fdvky \u2013 napr\u00edklad rozli\u0161ova\u0165 medzi asfaltov\u00fdmi cestami a tmav\u00fdmi p\u00f4dnymi plochami.<\/p>\n<p class=\"ds-markdown-paragraph\">Pre zjednodu\u0161enie \u00fadajov t\u00edm pou\u017eil\u00a0<strong>Anal\u00fdza hlavn\u00fdch komponentov (PCA)<\/strong>, technika, ktor\u00e1 identifikuje najv\u00fdznamnej\u0161ie vzory v s\u00fabore \u00fadajov. PCA zni\u017euje redundanciu transform\u00e1ciou korelovan\u00fdch premenn\u00fdch (napr. viacer\u00fdch text\u00farnych p\u00e1siem) do men\u0161ej mno\u017einy nekorelovan\u00fdch komponentov.<\/p>\n<p class=\"ds-markdown-paragraph\">V tejto \u0161t\u00fadii PCA zredukovala p\u00e4\u0165 text\u00farnych p\u00e1siem do dvoch hlavn\u00fdch komponentov, pri\u010dom zachovala 95% p\u00f4vodn\u00fdch inform\u00e1ci\u00ed. Toto zefekt\u00edvnilo vstup pre model hlbok\u00e9ho u\u010denia, \u010d\u00edm sa zlep\u0161ila presnos\u0165 aj v\u00fdpo\u010dtov\u00e1 efekt\u00edvnos\u0165.<\/p>\n<h2><strong>Hlbok\u00e9 u\u010denie U-Net pre krajinn\u00fa pokr\u00fdvku <\/strong><strong>Topografia<\/strong><\/h2>\n<p class=\"ds-markdown-paragraph\">Jadrom \u0161t\u00fadie bol model hlbok\u00e9ho u\u010denia zalo\u017een\u00fd na architekt\u00fare U-Net, \u010do je typ konvolu\u010dnej neur\u00f3novej siete (CNN) \u0161iroko pou\u017e\u00edvanej v \u00faloh\u00e1ch segment\u00e1cie obrazu.<\/p>\n<p>U-Net, pomenovan\u00fd pod\u013ea svojho dizajnu v tvare p\u00edsmena U, pozost\u00e1va z dvoch hlavn\u00fdch \u010dast\u00ed: kod\u00e9ra, ktor\u00fd analyzuje obraz a extrahuje hierarchick\u00e9 prvky (napr. hrany, text\u00fary), a dekod\u00e9ra, ktor\u00fd rekon\u0161truuje obraz pomocou pixelov\u00fdch ozna\u010den\u00ed.<\/p>\n<p>K\u00f3der pou\u017e\u00edva konvolu\u010dn\u00e9 vrstvy a zdru\u017eovanie na zn\u00ed\u017eenie vzorkovania obrazu a zachytenie \u0161irok\u00fdch vzorov, zatia\u013e \u010do dekod\u00e9r prevzorkuje d\u00e1ta na obnovenie priestorov\u00e9ho rozl\u00ed\u0161enia. Presko\u010denie spojen\u00ed medzi vrstvami k\u00f3dera a dekod\u00e9ra zachov\u00e1va jemn\u00e9 detaily, \u010do umo\u017e\u0148uje presn\u00fa detekciu hran\u00edc \u2013 k\u013e\u00fa\u010dov\u00fa funkciu pre mapovanie \u00fazkych ciest alebo budov nepravideln\u00e9ho tvaru.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"11623\" data-permalink=\"https:\/\/geopard.tech\/sk\/blog\/high-accuracy-ai-models-classifies-topographic-mapping-faster-than-traditional\/distribution-of-land-cover-classes-in-dataset\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?fit=3348%2C2418&amp;ssl=1\" data-orig-size=\"3348,2418\" data-comments-opened=\"1\" data-image-title=\"Distribution of Land Cover Classes in Dataset\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?fit=1024%2C740&amp;ssl=1\" class=\"alignnone size-full wp-image-11623\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?resize=810%2C585&#038;ssl=1\" alt=\"Rozdelenie tried krajinnej pokr\u00fdvky v s\u00fabore \u00fadajov\" width=\"810\" height=\"585\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?w=3348&amp;ssl=1 3348w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?resize=300%2C217&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?resize=1024%2C740&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?resize=768%2C555&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?resize=1536%2C1109&amp;ssl=1 1536w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?resize=2048%2C1479&amp;ssl=1 2048w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?w=1620&amp;ssl=1 1620w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/Distribution-of-Land-Cover-Classes-in-Dataset.png?w=2430&amp;ssl=1 2430w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p class=\"ds-markdown-paragraph\">Model pou\u017e\u00edval chrbticu ResNet34 \u2013 vopred tr\u00e9novan\u00fa sie\u0165, ktor\u00e1 je zn\u00e1ma svojou h\u013abkou a efekt\u00edvnos\u0165ou. ResNet34 patr\u00ed do rodiny rezidu\u00e1lnych siet\u00ed, ktor\u00e1 zav\u00e1dza \u201cskratky\u201d na ob\u00eddenie vrstiev, \u010d\u00edm zmier\u0148uje probl\u00e9m mizn\u00faceho gradientu (kde hlbok\u00e9 siete maj\u00fa probl\u00e9m s u\u010den\u00edm kv\u00f4li klesaj\u00facim aktualiz\u00e1ci\u00e1m po\u010das tr\u00e9novania).<\/p>\n<p class=\"ds-markdown-paragraph\">V\u010faka vyu\u017eitiu schopnosti ResNet34 rozpozn\u00e1va\u0165 zlo\u017eit\u00e9 vzory z ImageNet (rozsiahla obrazov\u00e1 datab\u00e1za) model vy\u017eadoval menej tr\u00e9ningov\u00fdch d\u00e1t a \u010dasu na prisp\u00f4sobenie sa satelitn\u00fdm sn\u00edmkam.<\/p>\n<p class=\"ds-markdown-paragraph\">Tr\u00e9novanie modelu si vy\u017eadovalo 1 440 obrazov\u00fdch dla\u017ed\u00edc, ka\u017ed\u00e1 s rozmermi 512 \u00d7 512 pixelov, pokr\u00fdvaj\u00facich \u0161es\u0165 tried krajinnej pokr\u00fdvky: budovy, cesty, po\u013enohospod\u00e1rska p\u00f4da, hol\u00e1 zem, plant\u00e1\u017ee a vodn\u00e9 plochy.<\/p>\n<p class=\"ds-markdown-paragraph\">S\u00fabor \u00fadajov mal inherentn\u00fa nerovnov\u00e1hu; cesty a vodn\u00e9 plochy tvorili iba 3,71 TP3T a 4,21 TP3T vzoriek, zatia\u013e \u010do budovy a po\u013enohospod\u00e1rska p\u00f4da predstavovali viac ako 251 TP3T. Napriek tejto v\u00fdzve bol model tr\u00e9novan\u00fd po\u010das 200 epoch \u2013 \u010do bola rovnov\u00e1ha medzi presnos\u0165ou a v\u00fdpo\u010dtov\u00fdmi n\u00e1kladmi \u2013 s ve\u013ekos\u0165ou d\u00e1vky 2 kv\u00f4li pam\u00e4\u0165ov\u00fdm obmedzeniam.<\/p>\n<p class=\"ds-markdown-paragraph\">Jeden\u00a0<strong>epocha<\/strong>\u00a0ozna\u010duje jeden kompletn\u00fd prechod tr\u00e9novac\u00edch d\u00e1t cez model, zatia\u013e \u010do\u00a0<strong>ve\u013ekos\u0165 d\u00e1vky<\/strong>\u00a0ur\u010duje, ko\u013eko vzoriek sa spracuje pred aktualiz\u00e1ciou parametrov modelu. Men\u0161ie ve\u013ekosti d\u00e1vok zni\u017euj\u00fa vyu\u017eitie pam\u00e4te, ale m\u00f4\u017eu spomali\u0165 tr\u00e9novanie.<\/p>\n<h2><strong>Vylep\u0161enie m\u00e1p morfologick\u00fdm spracovan\u00edm<\/strong><\/h2>\n<p class=\"ds-markdown-paragraph\">Dokonca aj tie najlep\u0161ie modely umelej inteligencie produkuj\u00fa chyby, ako je napr\u00edklad nespr\u00e1vna klasifik\u00e1cia izolovan\u00fdch pixelov alebo vytv\u00e1ranie zubat\u00fdch okrajov okolo prvkov. Na rie\u0161enie tohto probl\u00e9mu v\u00fdskumn\u00edci pou\u017eili morfologick\u00e9 spracovanie, techniku, ktor\u00e1 vyhladzuje nedokonalosti pomocou oper\u00e1ci\u00ed, ako je er\u00f3zia a dilat\u00e1cia.<\/p>\n<p>Er\u00f3zia odstra\u0148uje tenk\u00e9 vrstvy pixelov z hran\u00edc objektov, \u010d\u00edm eliminuje drobn\u00e9 nespr\u00e1vne klasifikovan\u00e9 oblasti, zatia\u013e \u010do dilat\u00e1cia prid\u00e1va pixely na roz\u0161\u00edrenie hran\u00edc objektov a vyp\u013a\u0148a medzery v line\u00e1rnych prvkoch, ako s\u00fa cesty.<\/p>\n<p>Tieto oper\u00e1cie sa spoliehaj\u00fa na \u0161truktur\u00e1lny prvok (mal\u00fa maticu), ktor\u00fd sa pos\u00fava po obr\u00e1zku a upravuje hodnoty pixelov. Optim\u00e1lna ve\u013ekos\u0165 jadra pre tieto oper\u00e1cie (5 \u00d7 5 pixelov) bola ur\u010den\u00e1 pomocou semivarian\u010dnej anal\u00fdzy, geo\u0161tatistickej met\u00f3dy, ktor\u00e1 kvantifikovala priestorov\u00e9 vzory v sn\u00edmkach.<\/p>\n<p class=\"ds-markdown-paragraph\">Semivariancia meria, o ko\u013eko sa hodnoty pixelov l\u00ed\u0161ia v r\u00f4znych vzdialenostiach, \u010do pom\u00e1ha identifikova\u0165 mierku, v ktorej s\u00fa text\u00farne prvky (napr. zhluky budov) najv\u00fdraznej\u0161ie.<\/p>\n<h2><strong>Umel\u00e1 inteligencia zvy\u0161uje r\u00fdchlos\u0165 a presnos\u0165 mapovania<\/strong><\/h2>\n<p class=\"ds-markdown-paragraph\">Model dosiahol po\u010diato\u010dn\u00fa presnos\u0165 84% (<strong>sk\u00f3re kappa<\/strong>\u00a0= 0,79), ktor\u00e1 po n\u00e1slednom spracovan\u00ed vzr\u00e1stla na 86% (kappa = 0,81).\u00a0<strong>sk\u00f3re kappa<\/strong>\u00a0(Cohenov kappa) meria zhodu medzi predpokladan\u00fdmi a skuto\u010dn\u00fdmi klasifik\u00e1ciami, pri\u010dom zoh\u013ead\u0148uje n\u00e1hodn\u00e9 rozdiely.<\/p>\n<p class=\"ds-markdown-paragraph\">Sk\u00f3re 0,81 znamen\u00e1 \u201ctakmer dokonal\u00fa\u201d zhodu, ktor\u00e1 prekra\u010duje rozsah 0,61 \u2013 0,80 pova\u017eovan\u00fd za \u201cv\u00fdznamn\u00fd\u201d. Vodn\u00e9 plochy a plant\u00e1\u017ee boli klasifikovan\u00e9 s takmer dokonalou presnos\u0165ou (97% a 96%), zatia\u013e \u010do cesty \u2013 ktor\u00e9 boli problematick\u00e9 kv\u00f4li svojmu tenk\u00e9mu, line\u00e1rnemu tvaru a tie\u0148om \u2013 dosiahli hodnotu 85%.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"11625\" data-permalink=\"https:\/\/geopard.tech\/sk\/blog\/high-accuracy-ai-models-classifies-topographic-mapping-faster-than-traditional\/ai-boosts-mapping-speed-and-accuracy\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?fit=1024%2C1024&amp;ssl=1\" data-orig-size=\"1024,1024\" data-comments-opened=\"1\" data-image-title=\"AI Boosts Mapping Speed and Accuracy\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?fit=1024%2C1024&amp;ssl=1\" class=\"alignnone size-full wp-image-11625\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?resize=810%2C810&#038;ssl=1\" alt=\"Umel\u00e1 inteligencia zvy\u0161uje r\u00fdchlos\u0165 a presnos\u0165 mapovania\" width=\"810\" height=\"810\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2025\/05\/AI-Boosts-Mapping-Speed-and-Accuracy.webp?resize=120%2C120&amp;ssl=1 120w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>Budovy a po\u013enohospod\u00e1rska p\u00f4da si tie\u017e viedli dobre s F1-sk\u00f3re 88% a 83%. F1-sk\u00f3re, harmonick\u00fd priemer presnosti a \u00faplnosti, vyva\u017euje falo\u0161ne pozit\u00edvne a falo\u0161ne negat\u00edvne v\u00fdsledky, v\u010faka \u010domu je ide\u00e1lne na hodnotenie nevyv\u00e1\u017een\u00fdch s\u00faborov \u00fadajov.<\/p>\n<p class=\"ds-markdown-paragraph\">Zv\u00fd\u0161enie efekt\u00edvnosti bolo e\u0161te v\u00fdraznej\u0161ie. Tradi\u010dn\u00e9 stereo vykres\u013eovanie, ktor\u00e9 zah\u0155\u0148a manu\u00e1lne ozna\u010dovanie prvkov v 3D leteck\u00fdch sn\u00edmkach, trv\u00e1 dev\u00e4\u0165 dn\u00ed na jeden mapov\u00fd list (5,29 km\u00b2) pre budovy a veget\u00e1ciu.<\/p>\n<p class=\"ds-markdown-paragraph\">Pr\u00edstup zalo\u017een\u00fd na umelej inteligencii skr\u00e1til tento \u010das na 43 min\u00fat na h\u00e1rok \u2013 \u010do predstavuje 250-n\u00e1sobn\u00e9 zlep\u0161enie. Tr\u00e9novanie modelu si spo\u010diatku vy\u017eadovalo 17 hod\u00edn, ale po natr\u00e9novan\u00ed dok\u00e1zal klasifikova\u0165 rozsiahle oblasti s minim\u00e1lnym \u013eudsk\u00fdm z\u00e1sahom. \u0160k\u00e1lovanie tohto syst\u00e9mu by mohlo Indon\u00e9zii umo\u017eni\u0165 mapova\u0165 9 000 km\u00b2 ro\u010dne, \u010d\u00edm by sa skr\u00e1til predpokladan\u00fd \u010das dokon\u010denia z viac ako storo\u010dia na iba 15 rokov.<\/p>\n<h2><strong>Mapovanie pomocou umelej inteligencie podporuje glob\u00e1lnu udr\u017eate\u013enos\u0165<\/strong><\/h2>\n<p class=\"ds-markdown-paragraph\">D\u00f4sledky siahaj\u00fa \u010faleko za hranice Indon\u00e9zie. Automatizovan\u00e1 klasifik\u00e1cia krajinnej pokr\u00fdvky podporuje glob\u00e1lne \u00fasilie, ako s\u00fa ciele trvalo udr\u017eate\u013en\u00e9ho rozvoja OSN (SDG). Napr\u00edklad sledovanie odles\u0148ovania (SDG 15) alebo roz\u0161irovania miest (SDG 11) sa st\u00e1va r\u00fdchlej\u0161\u00edm a presnej\u0161\u00edm.<\/p>\n<p class=\"ds-markdown-paragraph\">V regi\u00f3noch n\u00e1chyln\u00fdch na katastrofy, ako s\u00fa oblasti n\u00e1chyln\u00e9 na z\u00e1plavy, m\u00f4\u017eu aktu\u00e1lne mapy identifikova\u0165 zranite\u013en\u00e9 komunity a napl\u00e1nova\u0165 evakua\u010dn\u00e9 trasy.<\/p>\n<p class=\"ds-markdown-paragraph\">Po\u013enohospod\u00e1ri z toho profituj\u00fa aj; presn\u00e9 \u00fadaje o krajinnej pokr\u00fdvke umo\u017e\u0148uj\u00fa presn\u00e9 po\u013enohospod\u00e1rstvo, optimaliz\u00e1ciu vyu\u017e\u00edvania vody a v\u00fdnosov plod\u00edn monitorovan\u00edm zdravia p\u00f4dy a stresu veget\u00e1cie prostredn\u00edctvom NDVI.<\/p>\n<p>V\u00fdzvy v\u0161ak pretrv\u00e1vaj\u00fa. V\u00fdkon modelu na nedostato\u010dne zast\u00fapen\u00fdch triedach, ako s\u00fa cesty, zd\u00f4raz\u0148uje potrebu vyv\u00e1\u017een\u00fdch tr\u00e9ningov\u00fdch \u00fadajov. Bud\u00faca pr\u00e1ca by mohla zah\u0155\u0148a\u0165 transferov\u00e9 u\u010denie, techniku, pri ktorej sa model vopred tr\u00e9novan\u00fd na jednej \u00falohe (napr. v\u0161eobecn\u00e9 rozpozn\u00e1vanie obr\u00e1zkov) dolad\u00ed pre konkr\u00e9tnu aplik\u00e1ciu (napr. detekcia ciest v satelitn\u00fdch sn\u00edmkach).<\/p>\n<p>V\u010faka tomu sa zni\u017euje potreba rozsiahlych ozna\u010den\u00fdch s\u00faborov \u00fadajov, ktor\u00fdch vytv\u00e1ranie je n\u00e1kladn\u00e9. Testovanie pokro\u010dil\u00fdch architekt\u00far, ako je U-Net3+, ktor\u00e1 vylep\u0161uje agreg\u00e1ciu prvkov naprie\u010d mierkami, alebo modelov zalo\u017een\u00fdch na transform\u00e1toroch (ktor\u00e9 vynikaj\u00fa v zachyt\u00e1van\u00ed z\u00e1vislost\u00ed na dlh\u00e9 vzdialenosti v obr\u00e1zkoch), by mohlo \u010falej zlep\u0161i\u0165 presnos\u0165.<\/p>\n<p>Integr\u00e1cia \u00fadajov Lidar (detekcia a meranie vzdialenosti svetla) alebo radarov\u00fdch \u00fadajov by v\u0161ak mohla zlep\u0161i\u0165 v\u00fdsledky, najm\u00e4 v obla\u010dn\u00fdch oblastiach, kde optick\u00e9 satelity maj\u00fa probl\u00e9my.<\/p>\n<h2>Z\u00e1ver: Nov\u00e1 \u00e9ra geopriestorovej vedy<\/h2>\n<p class=\"ds-markdown-paragraph\">T\u00e1to \u0161t\u00fadia predstavuje zlomov\u00fd bod v topografickom mapovan\u00ed. Automatiz\u00e1ciou klasifik\u00e1cie krajinnej pokr\u00fdvky m\u00f4\u017eu krajiny vytv\u00e1ra\u0165 presn\u00e9 mapy r\u00fdchlej\u0161ie a lacnej\u0161ie ako kedyko\u013evek predt\u00fdm. Pre Indon\u00e9ziu t\u00e1to technol\u00f3gia nie je len pohodlnos\u0165ou \u2013 je nevyhnutnos\u0165ou na zvl\u00e1dnutie r\u00fdchlej urbaniz\u00e1cie, ochranu lesov a pr\u00edpravu na klimatick\u00e9 katastrofy.<\/p>\n<p class=\"ds-markdown-paragraph\">S rozvojom umelej inteligencie a satelitn\u00fdch technol\u00f3gi\u00ed je v\u00edzia mapovania v re\u00e1lnom \u010dase s vysok\u00fdm rozl\u00ed\u0161en\u00edm na dosah ruky, \u010do umo\u017e\u0148uje vl\u00e1dam a komunit\u00e1m budova\u0165 udr\u017eate\u013enej\u0161iu bud\u00facnos\u0165.<\/p>\n<p><strong>Referencia<\/strong>Hakim, YF; Tsai, F. Extrakcia krajinnej pokr\u00fdvky zo satelitn\u00fdch sn\u00edmok s ve\u013emi vysok\u00fdm rozl\u00ed\u0161en\u00edm zalo\u017een\u00e1 na hlbokom u\u010den\u00ed na podporu tvorby topografick\u00fdch m\u00e1p vo ve\u013ekom meradle. Remote Sens. 2025, 17, 473. <a href=\"https:\/\/doi.org\/10.3390\/rs17030473\" rel=\"nofollow\">https:\/\/doi.org\/10.3390\/rs17030473<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Indon\u00e9zia, krajina s viac ako 17 000 ostrovmi s rozlohou 1,9 mili\u00f3na \u0161tvorcov\u00fdch kilometrov, \u010del\u00ed kritickej v\u00fdzve pri vytv\u00e1ran\u00ed podrobn\u00fdch m\u00e1p na podporu svojich rozvojov\u00fdch cie\u013eov\u2026.<\/p>","protected":false},"author":210157960,"featured_media":11626,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[1661,1366],"tags":[],"class_list":["post-11618","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-satellite-imagery","category-topography"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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