{"id":1484,"date":"2021-04-13T08:22:21","date_gmt":"2021-04-13T08:22:21","guid":{"rendered":"https:\/\/adaptiverecognition.com\/busting-the-anpr-megapixel-myth\/"},"modified":"2025-08-11T14:00:39","modified_gmt":"2025-08-11T14:00:39","slug":"busting-anpr-megapixel-myth","status":"publish","type":"post","link":"https:\/\/adaptiverecognition.com\/hu\/blog\/traffic-transportation\/busting-anpr-megapixel-myth\/","title":{"rendered":"Az ANPR megapixel-m\u00edtosz\u00e1nak megd\u00f6nt\u00e9se"},"content":{"rendered":"<p>A technol\u00f3gi\u00e1ban gyakran tapasztalunk \u201esz\u00e1mh\u00e1bor\u00fakat\u201d. Amellyel a legt\u00f6bben a legink\u00e1bb azonosulni tudnak, az val\u00f3sz\u00edn\u0171leg a mobiltelefonjaink fejl\u0151d\u00e9se. El\u0151sz\u00f6r a megapixelek csat\u00e1ja zajlott, egyre t\u00f6bbet, t\u00f6bbet \u00e9s m\u00e9g t\u00f6bbet k\u00f6vetelve. A v\u00e9g\u00e9n azonban kider\u00fclt, hogy ez csak egy a sok t\u00e9nyez\u0151 k\u00f6z\u00fcl, amely val\u00f3ban hozz\u00e1j\u00e1rul a k\u00e9pmin\u0151s\u00e9ghez, \u00e9s a gy\u00e1rt\u00f3k ink\u00e1bb az objekt\u00edvre kezdtek f\u00f3kusz\u00e1lni. Azt\u00e1n j\u00f6tt a kijelz\u0151k csat\u00e1ja: egyre nagyobbak \u00e9s nagyobbak. Majd az \u00e9rint\u0151k\u00e9perny\u0151k olyan nagyok lettek, hogy m\u00e1r nem is tudtuk \u0151ket k\u00e9nyelmesen haszn\u00e1lni. Ma ezek a param\u00e9terek kiegyens\u00falyoz\u00f3dtak, \u00e9s azt mondhatjuk, az ilyen h\u00e1bor\u00fak v\u00e9get \u00e9rtek \u2013 de ez nem t\u00f6rt\u00e9nt meg azonnal.<\/p>\n\n\n\n<p class=\"translation-block\">Valami hasonl\u00f3 m\u00e9g az olyan r\u00e9stechnol\u00f3gi\u00e1kban is megt\u00f6rt\u00e9nhet, mint az <a href=\"\/hu\/product-categories\/cameras\/\" target=\"_blank\" rel=\"noreferrer noopener\">ANPR-alap\u00fa forgalomfigyel\u0151 kamer\u00e1k<\/a>; ezekben az \u00e9vekben a megapixelek folyamatos emelked\u00e9se figyelhet\u0151 meg. A k\u00e9rd\u00e9s az, hogy ez hozz\u00e1j\u00e1rul-e az ANPR teljes\u00edtm\u00e9ny\u00e9hez\u2026 vagy csup\u00e1n a gy\u00e1rt\u00f3k k\u00e9pfelbont\u00e1sr\u00f3l sz\u00f3l\u00f3 hidegh\u00e1bor\u00faj\u00e1nak eredm\u00e9nye?<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/adaptiverecognition.com\/app\/uploads\/2021\/04\/13081743\/szovegkozi_4b.jpg\" alt=\"multi-lane license plate recognition demonstrating the importance of pixels in ANPR\" class=\"wp-image-8726\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/adaptiverecognition.com\/app\/uploads\/2021\/04\/13081820\/szovegkozi_4a.jpg\" alt=\"multi-lane license plate recognition showing the importance of pixels in ANPR processes\" class=\"wp-image-8727\"\/><figcaption class=\"wp-element-caption\">Egyetlen ANPR kamera k\u00e9pes t\u00f6bb s\u00e1vot lefedni?<\/figcaption><\/figure>\n\n\n\n<p>Az ANPR kameragy\u00e1rt\u00f3k legf\u0151bb oka a felbont\u00e1s n\u00f6vel\u00e9s\u00e9re a kamera s\u00e1vlefedetts\u00e9ge. Ahogy \u0151k \u00e1ll\u00edtj\u00e1k, a nagyobb felbont\u00e1s lehet\u0151v\u00e9 teszi, hogy egyetlen kamera t\u00f6bb s\u00e1vot fedjen le \u2013 \u00edgy ugyanahhoz a projekthez kevesebb kamer\u00e1t kell haszn\u00e1lni. Term\u00e9szetesen ez \u00fcgyf\u00e9l szemsz\u00f6gb\u0151l nagyszer\u0171en hangzik, hiszen egyszerre t\u0171nik cs\u00facstechnol\u00f3gi\u00e1snak \u00e9s k\u00f6lts\u00e9ghat\u00e9konynak. Mi azonban gy\u00e1rt\u00f3k\u00e9nt az \u00e1rnyoldal\u00e1t is l\u00e1tjuk \u2013 ez\u00e9rt \u00fagy d\u00f6nt\u00f6tt\u00fcnk, hogy r\u00e1vil\u00e1g\u00edtunk erre a t\u00e9m\u00e1ra, \u00e9s v\u00e9gre ler\u00e1ntjuk a leplet az ANPR \u201emegapixel-m\u00edtoszr\u00f3l\u201d.<\/p>\n\n\n\n<p class=\"translation-block\">Kapcsolj\u00e1k be az \u00f6veket, m\u00e9lyre \u00e1sunk az ANPR-ben! Ha figyelmesen hallgat, az biztosan megt\u00e9r\u00fcl a k\u00f6vetkez\u0151 projektj\u00e9n\u00e9l.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-image-resolution-affects-anpr-performance\">Hogyan befoly\u00e1solja a k\u00e9pfelbont\u00e1s az ANPR teljes\u00edtm\u00e9ny\u00e9t<\/h2>\n\n\n\n<p>\u00c1ltal\u00e1noss\u00e1gban elmondhat\u00f3, hogy a nagyobb felbont\u00e1s jobb felismer\u00e9st jelent. Ez nyilv\u00e1nval\u00f3: a szoftvernek t\u00f6bb bemenete (adata) van feldolgoz\u00e1sra, ez\u00e9rt nagyobb megb\u00edzhat\u00f3s\u00e1ggal tud teljes\u00edteni. Val\u00f3sz\u00edn\u0171leg \u00d6n is tapasztalta ugyanezt, amikor fontos d\u00f6nt\u00e9st kellett hoznia: t\u00f6bb inform\u00e1ci\u00f3 birtok\u00e1ban magabiztosabban tud jobb d\u00f6nt\u00e9seket hozni.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-why-smartphone-logic-doesn-t-apply-for-anpr\">Mi\u00e9rt nem alkalmazhat\u00f3 az okostelefonos logika az ANPR eset\u00e9ben<\/h3>\n\n\n\n<p class=\"translation-block\">Amikor az emberek azt hallj\u00e1k, hogy \u201e5 megapixel\u201d, gyakran azt felt\u00e9telezik, hogy ez korl\u00e1toz\u00e1st jelent. V\u00e9g\u00fcl is sok okostelefon 50 MP-es vagy m\u00e9g nagyobb \u00e9rz\u00e9kel\u0151kkel b\u00fcszk\u00e9lkedhet. Az ANPR-kamer\u00e1k azonban k\u00fcl\u00f6nb\u00f6znek a fogyaszt\u00f3i kamer\u00e1kt\u00f3l: feladatuk nem leny\u0171g\u00f6z\u0151, nagy felbont\u00e1s\u00fa f\u00e9nyk\u00e9pek k\u00e9sz\u00edt\u00e9se, hanem a rendsz\u00e1mt\u00e1bl\u00e1k tiszta \u00e9s hat\u00e9kony olvas\u00e1sa.\n<br><br> A megapixelek c\u00e9l n\u00e9lk\u00fcli halmoz\u00e1sa el\u0151ny\u00f6k helyett csak kih\u00edv\u00e1sokat okoz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-minimal-image-resolution-for-anpr\">Minim\u00e1lis k\u00e9pfelbont\u00e1s ANPR-hez<\/h3>\n\n\n\n<p class=\"translation-block\">A gyakorlatban a rendsz\u00e1mon l\u00e9v\u0151 karaktersor minim\u00e1lis sz\u00e9less\u00e9g\u00e9nek 2 pixelnek kell lennie \u2013 ez a <a href=\"\/hu\/product-categories\/software\/\" target=\"_blank\" rel=\"noreferrer noopener\">professzion\u00e1lis ANPR szoftverek, p\u00e9ld\u00e1ul Carmen\u00ae<\/a> k\u00f6vetelm\u00e9nye. Ez alatt az ANPR meglehet\u0151sen bizonytalann\u00e1 v\u00e1lik \u2013 amit senki sem szeretne egy forgalmi projektben.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/adaptiverecognition.com\/app\/uploads\/2021\/04\/13081602\/szovegkozi_1-1.jpg\" alt=\"Minimal image resolution for ANPR showing a character line that is less than 2 pixels wide\" class=\"wp-image-8723\"\/><figcaption class=\"wp-element-caption\">A rendsz\u00e1mt\u00e1bla-karakter vonal\u00e1nak legal\u00e1bb 2 pixel sz\u00e9lesnek kell lennie<\/figcaption><\/figure>\n\n\n\n<p>Teh\u00e1t annak kisz\u00e1m\u00edt\u00e1s\u00e1hoz, hogy mekkora felbont\u00e1sra van sz\u00fcks\u00e9g\u00fcnk a minimum 2 pixeles karaktervonal-sz\u00e9less\u00e9g el\u00e9r\u00e9s\u00e9hez \u2013 v\u00e9gezz\u00fck el a sz\u00e1m\u00edt\u00e1st:&nbsp;<\/p>\n\n\n\n<p><strong>T\u00e9nyek:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>egy s\u00e1v 3.5 m\u00e9ter sz\u00e9les (eur\u00f3pai utakon)<\/li>\n\n\n\n<li>egy rendsz\u00e1mt\u00e1bla-karakter vonal\u00e1nak sz\u00e9less\u00e9ge 10 mm.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p><strong>Sz\u00e1m\u00edt\u00e1s:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ahhoz, hogy egy karaktervonalhoz legal\u00e1bb 2 pixel\u00fcnk legyen, 10 mm-enk\u00e9nt 2 pixelre van sz\u00fcks\u00e9g\u00fcnk<\/li>\n\n\n\n<li>egy 3500mm sz\u00e9les s\u00e1v 350 darab ilyen 10mm-es szakaszb\u00f3l \u00e1ll<\/li>\n\n\n\n<li>ez\u00e9rt 2 * 350 = legal\u00e1bb 700 pixelre lesz sz\u00fcks\u00e9g.<\/li>\n<\/ul>\n\n\n\n<p>Fontos hangs\u00falyozni, hogy ez a sz\u00e1m egy tiszt\u00e1n elm\u00e9leti minimum, amely csak akkor megfelel\u0151, ha a k\u00e9peken nincs elmos\u00f3d\u00e1s, torz\u00edt\u00e1s stb. \u2013 \u00e9s ez a val\u00f3s \u00e9letben nem jellemz\u0151 forgat\u00f3k\u00f6nyv.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-optimal-image-resolution-for-anpr\">Optim\u00e1lis k\u00e9pfelbont\u00e1s ANPR-hez<\/h3>\n\n\n\n<p class=\"translation-block\">30 \u00e9vnyi tapasztalatunk alapj\u00e1n azt tal\u00e1ltuk, hogy a felbont\u00e1s akkor lesz optim\u00e1lis ANPR-hez, ha ezt a sz\u00e1mot megdupl\u00e1zzuk. Ez\u00e9rt m\u00e9g a bel\u00e9p\u0151 szint\u0171 <a href=\"\/hu\/products\/vidar-anpr-camera\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vidar kamer\u00e1ink<\/a> is HDx felbont\u00e1ssal (1440 x 1080 pixels) \u00e9rkeznek. Az ilyen szenzorokkal t\u00f6rt\u00e9n\u0151 forgalomr\u00f6gz\u00edt\u00e9s eur\u00f3pai utakon 4 pixeles karaktervonal-sz\u00e9less\u00e9get, az USA \u00e9s a K\u00f6zel-Kelet rendsz\u00e1mt\u00e1bl\u00e1in pedig 2-3 pixelt eredm\u00e9nyez.<\/p>\n\n\n\n<p>Amikor ANPR kamer\u00e1kat \u00e9rt\u00e9kel, mindig eml\u00e9keztesse mag\u00e1t a matematik\u00e1ra. Ha azt olvassa, hogy egy 1920 x 1080-as kamera h\u00e1rom s\u00e1vot tud lefedni, tartsa szem el\u0151tt, hogy ez s\u00e1vonk\u00e9nt csak 640 pixel, ami alacsonyabb a legszigor\u00fabb minimumn\u00e1l is.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/adaptiverecognition.com\/app\/uploads\/2021\/04\/13081950\/szovegkozi_3-1.jpg\" alt=\"Relation between megapixels, required processing power, and ANPR performance shown on a diagram\" class=\"wp-image-8729\"\/><figcaption class=\"wp-element-caption\">Hogyan befoly\u00e1solja a k\u00e9pfelbont\u00e1s az ANPR teljes\u00edtm\u00e9ny\u00e9t<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Nem csak a megapixelekr\u0151l van sz\u00f3: mi m\u00e1s sz\u00e1m\u00edt m\u00e9g<\/h3>\n\n\n\n<p class=\"translation-block\">Az alacsonyabb megapixelsz\u00e1m okos optimaliz\u00e1l\u00e1sokkal p\u00e1ros\u00edtva gyakran fel\u00fclm\u00falja a nagy felbont\u00e1s\u00fa \u00e9rz\u00e9kel\u0151t. \u00cdme, mi sz\u00e1m\u00edt enn\u00e9l is jobban:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\"><strong>Infrav\u00f6r\u00f6s <\/strong><a href=\"\/hu\/blog\/traffic-transportation\/illumination-for-anpr\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>megvil\u00e1g\u00edt\u00e1s<\/strong><\/a> a megb\u00edzhat\u00f3 \u00e9jszakai rendsz\u00e1molvas\u00e1s \u00e9rdek\u00e9ben.<\/li>\n\n\n\n<li class=\"translation-block\"><strong>A z\u00e1rid\u0151 szinkroniz\u00e1l\u00e1sa<\/strong> a j\u00e1rm\u0171 mozg\u00e1s\u00e1val a mozg\u00e1s miatti elmos\u00f3d\u00e1s megel\u0151z\u00e9se \u00e9rdek\u00e9ben.<\/li>\n\n\n\n<li class=\"translation-block\"><strong>Az adott helyi rendsz\u00e1mform\u00e1tumokra hangolt<\/strong> algoritmusok.<\/li>\n<\/ul>\n\n\n\n<p>Ezek a t\u00e9nyez\u0151k \u00e9les, j\u00f3l olvashat\u00f3 rendsz\u00e1mt\u00e1bl\u00e1kat biztos\u00edtanak \u2014 j\u00f3val hat\u00e9konyabban, mint a felbont\u00e1s egyszer\u0171 n\u00f6vel\u00e9se.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-multi-lane-anpr\">T\u00f6bbs\u00e1vos ANPR<\/h2>\n\n\n\n<p>Ha eljutott\u00e1l a cikk\u00fcnknek ehhez a r\u00e9sz\u00e9hez, m\u00e1r tudod: min\u00e9l nagyobb felbont\u00e1s\u00fa egy kamera, ann\u00e1l t\u00f6bb s\u00e1vot tud lefedni. De t\u00e9nyleg ilyen egyszer\u0171? Val\u00f3j\u00e1ban nem. T\u00f6bb s\u00e1v lefed\u00e9se egyetlen kamer\u00e1val sz\u00e1mos kih\u00edv\u00e1ssal j\u00e1r \u2013 \u00e9s ezek k\u00f6z\u00fcl n\u00e9h\u00e1nyat nem lehet lek\u00fczdeni. Olvass tov\u00e1bb, hogy megtudd, mi\u00e9rt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-five-typical-problems-of-multi-lane-anpr\">A t\u00f6bbs\u00e1vos ANPR \u00f6t tipikus probl\u00e9m\u00e1ja<\/h3>\n\n\n\n<p>Tegy\u00fck fel, hogy rendelkezel a t\u00f6bb s\u00e1v lefed\u00e9s\u00e9hez sz\u00fcks\u00e9ges felbont\u00e1ssal, \u00e9s elkezdesz egy ANPR kamer\u00e1t h\u00e1rom, vagy ak\u00e1r n\u00e9gy s\u00e1vhoz haszn\u00e1lni. B\u00e1r j\u00f3l hangzik, az ANPR eredm\u00e9nyek nem fognak annyira ragyogni. A javaslatunk, hogy ne menj k\u00e9t s\u00e1v f\u00f6l\u00e9. \u00cdme \u00f6t ok, ami ezt bizony\u00edtja.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-blocked-view\"><em>Kitakart n\u00e9zet<\/em><\/h4>\n\n\n\n<p>A nagyobb j\u00e1rm\u0171vek kitakarhatj\u00e1k a szomsz\u00e9dos s\u00e1vban elhalad\u00f3 kisebbek l\u00e1tv\u00e1ny\u00e1t, ami elmulasztott esem\u00e9nyek lehet\u0151s\u00e9g\u00e9hez vezethet.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-processing-power\"><em>Feldolgoz\u00e1si teljes\u00edtm\u00e9ny<\/em><\/h4>\n\n\n\n<p>Min\u00e9l t\u00f6bb s\u00e1vot fed le, ann\u00e1l nagyobb feldolgoz\u00e1si teljes\u00edtm\u00e9nyre lesz sz\u00fcks\u00e9ge. Az elmulasztott esem\u00e9nyek, k\u00e9s\u00e9sek \u00e9s h\u00e1l\u00f3zati t\u00falterhel\u00e9s es\u00e9lye n\u0151, ahogy a s\u00e1vok sz\u00e1ma n\u00f6vekszik.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-high-resolution\"><em>Nagy felbont\u00e1s<\/em><\/h4>\n\n\n\n<p class=\"translation-block\">Amikor <a href=\"\/hu\/blog\/traffic-transportation\/what-can-you-use-an-alpr-system-for\/\" target=\"_blank\" rel=\"noreferrer noopener\">ALPR-rendszerekr\u0151l<\/a> van sz\u00f3, a k\u00e9plet egyszer\u0171: min\u00e9l nagyobb a k\u00e9pfelbont\u00e1s, ann\u00e1l nagyobb a f\u00e1jl \u2014 \u00e9s ann\u00e1l t\u00f6bb adatot kell a rendszernek kezelnie. Ez terheli a s\u00e1vsz\u00e9less\u00e9get, lass\u00edtja a t\u00e1rol\u00e1st, \u00e9s nagyobb feldolgoz\u00e1si kapacit\u00e1st ig\u00e9nyel, k\u00fcl\u00f6n\u00f6sen mobil, val\u00f3s idej\u0171 vagy edge telep\u00edt\u00e9sek eset\u00e9n.<\/p>\n\n\n\n<p class=\"translation-block\">A forgalomfigyel\u0151 kamer\u00e1kat azonban \u00fagy tervezt\u00e9k, hogy sz\u00e9ls\u0151s\u00e9ges k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt is helyt\u00e1lljanak, mik\u00f6zben k\u00f6lts\u00e9ghat\u00e9konyak maradnak. Emiatt gyakran olyan CPU-kat haszn\u00e1lnak, amelyek a nyers sz\u00e1m\u00edt\u00e1si teljes\u00edtm\u00e9nnyel szemben ink\u00e1bb a tart\u00f3ss\u00e1got \u00e9s a hat\u00e9konys\u00e1got helyezik el\u0151t\u00e9rbe. A korl\u00e1tozott feldolgoz\u00e1si k\u00e9pess\u00e9gek azt jelentik, hogy ha a kamer\u00e1nak t\u00falm\u00e9retezett, nagy felbont\u00e1s\u00fa k\u00e9peket kell feldolgoznia, az lelass\u00edthatja a val\u00f3s idej\u0171 teljes\u00edtm\u00e9nyt. Mivel ilyen k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt kevesebb k\u00e9pkocka dolgozhat\u00f3 fel, a pontos triggerel\u00e9s minden eddigin\u00e9l fontosabb\u00e1 v\u00e1lik.<\/p>\n\n\n\n<p>\u00cdme, mi\u00e9rt ronthatja a t\u00falzott megapixelsz\u00e1m az ANPR teljes\u00edtm\u00e9ny\u00e9t:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"translation-block\"><strong>Nagyobb adatmennyis\u00e9g<br><\/strong>A nagyobb felbont\u00e1s nagyobb k\u00e9pf\u00e1jlokat jelent, ami terheli az adat\u00e1tvitelt, a feldolgoz\u00e1st \u00e9s a t\u00e1rol\u00e1st \u2013 ezek pedig kulcsfontoss\u00e1g\u00fa t\u00e9nyez\u0151k a s\u00e1vsz\u00e9less\u00e9gben vagy mem\u00f3ri\u00e1ban korl\u00e1tozott k\u00f6rnyezetekben.<\/li>\n\n\n\n<li class=\"translation-block\"><strong>Lassabb feldolgoz\u00e1si id\u0151<\/strong><br>Az optikai karakterfelismer\u00e9snek (OCR) k\u00e9pkock\u00e1nk\u00e9nt t\u00f6bb pixelt kell elemeznie, ami n\u00f6veli a k\u00e9sleltet\u00e9st, \u00e9s annak kock\u00e1zat\u00e1t hordozza, hogy a mozg\u00f3 j\u00e1rm\u0171vek rendsz\u00e1mait nem siker\u00fcl leolvasni.<\/li>\n\n\n\n<li class=\"translation-block\"><strong>Elpazarolt er\u0151forr\u00e1sok<\/strong><br>A rendsz\u00e1mfelismer\u00e9s sor\u00e1n a k\u00e9pnek val\u00f3j\u00e1ban csak egy kis r\u00e9sze \u2013 maga a rendsz\u00e1m \u2013 sz\u00e1m\u00edt. Felesleges h\u00e1tt\u00e9rpixelek milli\u00f3inak feldolgoz\u00e1sa \u00e9rt\u00e9kes er\u0151forr\u00e1sokat pazarol el an\u00e9lk\u00fcl, hogy jav\u00edtan\u00e1 a felismer\u00e9s teljes\u00edtm\u00e9ny\u00e9t.<\/li>\n<\/ol>\n\n\n\n<p class=\"translation-block\">Az Adaptive Recognition z\u00e1szl\u00f3shaj\u00f3ja, a <a href=\"\/hu\/products\/vidar-anpr-camera\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vidar ALPR-kamera<\/a> eleg\u00e1nsan kezeli ezeket a kih\u00edv\u00e1sokat.<\/p>\n\n\n\n<p class=\"translation-block\">5 MP-es \u00e9rz\u00e9kel\u0151t haszn\u00e1l \u2013 nem korl\u00e1toz\u00e1sb\u00f3l, hanem tervez\u00e9si megfontol\u00e1sb\u00f3l. A c\u00e9lzottan kialak\u00edtott optik\u00e1nak, k\u00e9pfeldolgoz\u00e1snak \u00e9s szoftverhangol\u00e1snak k\u00f6sz\u00f6nhet\u0151en a Vidar aut\u00f3p\u00e1lya-sebess\u00e9gn\u00e9l is k\u00f6vetkezetesen \u00e9les rendsz\u00e1mk\u00e9peket r\u00f6gz\u00edt, mik\u00f6zben a feldolgoz\u00e1s gyors, a mem\u00f3riahaszn\u00e1lat pedig minim\u00e1lis marad. Emellett a Vidar h\u00e1rom nagy teljes\u00edtm\u00e9ny\u0171 triggerel\u00e9si m\u00f3dszert \u00f6tv\u00f6z \u2013 a Plate Findert, a virtu\u00e1lis hurkot \u00e9s az ipar\u00e1gban els\u0151k\u00e9nt be\u00e9p\u00edtett l\u00e9zeres triggert \u2013, hogy a rendsz\u00e1mok m\u00e9g kih\u00edv\u00e1st jelent\u0151 k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt is hat\u00e9konyan \u00e9szlelhet\u0151k legyenek. Az ANPR ter\u00fclet\u00e9n az okos m\u00e9rn\u00f6ki megold\u00e1sok minden alkalommal fel\u00fclm\u00falj\u00e1k a nyers pixelsz\u00e1mot.<\/p>\n\n\n\n<p class=\"translation-block\">A hagyom\u00e1nyos kialak\u00edt\u00e1sokt\u00f3l elt\u00e9r\u0151en a Vidar architekt\u00far\u00e1ja k\u00e9t k\u00fcl\u00f6n\u00e1ll\u00f3 processzort tartalmaz: egy k\u00e9tmagos CPU-t a rendszerfeladatokhoz, valamint egy n\u00e9gymagos CPU-t, amely teljes eg\u00e9sz\u00e9ben az ANPR-feladatoknak van dedik\u00e1lva. Ez a munkamegoszt\u00e1s lehet\u0151v\u00e9 teszi, hogy a Vidar sz\u00fcks\u00e9g eset\u00e9n nagy felbont\u00e1s\u00fa k\u00e9pfeldolgoz\u00e1st v\u00e9gezzen, mik\u00f6zben tov\u00e1bbra is gazdas\u00e1gos m\u0171k\u00f6d\u00e9st, ipar\u00e1gi szabv\u00e1nynak megfelel\u0151 tart\u00f3ss\u00e1got \u00e9s kompromisszummentes felismer\u00e9si pontoss\u00e1got biztos\u00edt.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"ANPR \/ LPR \u2013 Vidar Smart Traffic Camera With Laser Triggering | Adaptive Recognition\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/tIwPcLIdXo8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-lens-aberrations\"><em>Lencseaberr\u00e1ci\u00f3k<\/em><\/h4>\n\n\n\n<p>M\u00e9g a legjobb lencs\u00e9knek is vannak \u00fagynevezett aberr\u00e1ci\u00f3ik: k\u00fcl\u00f6nbs\u00e9g van a k\u00e9pmin\u0151s\u00e9gben a k\u00e9p k\u00f6zepe \u00e9s sz\u00e9le k\u00f6z\u00f6tt. A sz\u00e9lek fel\u00e9 haladva a k\u00e9p kev\u00e9sb\u00e9 \u00e9les, kiss\u00e9 fak\u00f3 \u00e9s torz lesz, ami negat\u00edvan befoly\u00e1solja az ANPR teljes\u00edtm\u00e9ny\u00e9t.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-evidence\"><em>Bizony\u00edt\u00e9k<\/em><\/h4>\n\n\n\n<p>Sok orsz\u00e1gban a forgalmi felv\u00e9tel a b\u00edr\u00f3s\u00e1gon elfogadhat\u00f3 bizony\u00edt\u00e9k, ha csak egy j\u00e1rm\u0171 l\u00e1that\u00f3 rajta. A t\u00f6bb j\u00e1rm\u0171vet \u00e1br\u00e1zol\u00f3 k\u00e9peket ilyen jogi elj\u00e1r\u00e1sokban nem fogadj\u00e1k el. Teh\u00e1t hacsak nincs olyan funkci\u00f3ja, amely kiv\u00e1gja az egyes j\u00e1rm\u0171veket, ez is probl\u00e9m\u00e1t jelenthet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-three-tips-for-multi-lane-anpr\">H\u00e1rom tipp a t\u00f6bbs\u00e1vos ANPR-hez<\/h3>\n\n\n\n<p>Aj\u00e1nl\u00e1sunk, hogy s\u00e1vonk\u00e9nt egy kamer\u00e1t haszn\u00e1ljon, vagy legfeljebb k\u00e9t s\u00e1vra \u2013 azonban, ha a kamer\u00e1ja t\u00f6bb s\u00e1vot r\u00f6gz\u00edt, mindenk\u00e9ppen k\u00f6vesse szakmai \u00fatmutat\u00e1sunkat. \u00d6sszegy\u0171jt\u00f6tt\u00fcnk h\u00e1rom tippet a lehet\u0151 legjobb teljes\u00edtm\u00e9ny el\u00e9r\u00e9s\u00e9hez.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A minim\u00e1lis k\u00e9pfelbont\u00e1snak s\u00e1vonk\u00e9nt legal\u00e1bb 700 pixelnek kell lennie, vagy ide\u00e1lis esetben 1440 pixelnek s\u00e1vonk\u00e9nt (egy HDx kamer\u00e1ban).<\/li>\n\n\n\n<li>A later\u00e1lis elhelyez\u00e9s helyett kiz\u00e1r\u00f3lag a fel\u00fcln\u00e9zeti telep\u00edt\u00e9st haszn\u00e1lja. \u00cdgy minimaliz\u00e1lhatja a kihagyott esem\u00e9nyeket (a kitakart l\u00e1t\u00f3mez\u0151 miatt) \u00e9s a torz\u00edt\u00e1st.<\/li>\n\n\n\n<li class=\"translation-block\">Haszn\u00e1lja ki a dedik\u00e1lt ANPR kamer\u00e1i szinkroniz\u00e1lt \u00e9s f\u00f3kusz\u00e1lt megvil\u00e1g\u00edt\u00e1si funkci\u00f3it. A legkorszer\u0171bb modellek, p\u00e9ld\u00e1ul a <a href=\"\/hu\/products\/vidar-anpr-camera\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vidar<\/a>, azonban enn\u00e9l is tov\u00e1bb mennek. Az\u00e1ltal, hogy k\u00e9pes egyszerre automatikusan be\u00e1ll\u00edtani a f\u00e9nyer\u0151t a p\u00e1ratlan \u00e9s p\u00e1ros k\u00e9pkock\u00e1khoz, a Vidar tov\u00e1bbi megvil\u00e1g\u00edt\u00e1s n\u00e9lk\u00fcl is tud ANPR-kompatibilis k\u00e9peket k\u00e9sz\u00edteni a f\u00e9nyvisszaver\u0151 \u00e9s a nem f\u00e9nyvisszaver\u0151 rendsz\u00e1mt\u00e1bl\u00e1kr\u00f3l.<\/li>\n<\/ol>\n\n\n\n<p>Rem\u00e9lj\u00fck, hasznosnak tal\u00e1lja ezt az \u00fatmutat\u00f3t. Ha m\u00e9g mindig bizonytalan abban, hogyan pozicion\u00e1lja a kamer\u00e1j\u00e1t, \u00e9s milyen param\u00e9terekre van sz\u00fcks\u00e9ge a legjobb teljes\u00edtm\u00e9nyhez, nyugodtan vegye fel vel\u00fcnk a kapcsolatot \u2013 szak\u00e9rt\u0151ink mindig \u00f6r\u00f6mmel osztj\u00e1k meg tud\u00e1sukat.<\/p>\n\n\n\n<div style=\"text-align: center;\">\n<a href=\"\/hu\/contact-us\/\" class=\"button-small\"><br \/>\n<span class=\"button-text-small\">N\u00e9zze meg, hogyan seg\u00edthet\u00fcnk<\/span><\/p>\n<div class=\"circle-small\">\n<span class=\"arrow-small initial-arrow-small\"><i class=\"fa fa-arrow-right\"><\/i><\/span><br \/>\n<span class=\"arrow-small hover-arrow-small\"><i class=\"fa fa-arrow-right\"><\/i><\/span>\n<\/div>\n<\/a>\n<\/div>\n<br>","protected":false},"excerpt":{"rendered":"<p>Vendors release ANPR cameras with higher and higher resolution, but does it really contribute to ANPR performance? Let\u2019s find it out&#8230;<\/p>","protected":false},"author":2,"featured_media":13817,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[103],"tags":[],"class_list":["post-1484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-traffic-transportation"],"acf":{"blog_page_hero_image":"","who_wrote_this_arcticle":[5299],"tags_for_search_separate_with_comma___":"alpr,anpr,lpr,camera,resolution,megapixel,image"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Busting the ANPR Megapixel Myth - Adaptive Recognition | Image Capturing and Analytics<\/title>\n<meta name=\"description\" content=\"Discover why higher resolution doesn&#039;t always mean better ANPR performance. 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