{"id":14892,"date":"2025-08-04T13:49:46","date_gmt":"2025-08-04T12:49:46","guid":{"rendered":"https:\/\/cctvacademy.be\/?p=14892"},"modified":"2026-10-06T08:50:35","modified_gmt":"2026-10-06T07:50:35","slug":"wat-is-een-cmos-sensor","status":"publish","type":"post","link":"https:\/\/cctvacademy.be\/fr\/wat-is-een-cmos-sensor\/","title":{"rendered":"Wat is een CMOS Sensor ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"14892\" class=\"elementor elementor-14892\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c1576aa e-flex e-con-boxed e-con e-parent\" data-id=\"c1576aa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0755a8e elementor-widget elementor-widget-html\" data-id=\"0755a8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div 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class=\"cctv-cmos-v1\" id=\"cctv-cmos-page\">\n  <div class=\"topbar\">\n    <div class=\"wrap topbar-inner\">\n      <div class=\"version\">CCTV Academy \u00b7 CMOS Sensor \u00b7 v1.0 STAGING<\/div>\n      <div class=\"langs\" aria-label=\"Language\">\n        <button class=\"lang\" type=\"button\" data-lang=\"nl\">NL<\/button>\n        <button class=\"lang\" type=\"button\" data-lang=\"fr\">FR<\/button>\n        <button class=\"lang\" type=\"button\" data-lang=\"en\">EN<\/button>\n        <button class=\"lang\" type=\"button\" data-lang=\"de\">DE<\/button>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <section class=\"hero\">\n    <div class=\"wrap hero-grid\">\n      <div>\n        <div class=\"eyebrow\" data-i18n=\"heroEyebrow\">CCTV Academy \u00b7 Image sensor fundamentals<\/div>\n        <h1 data-i18n-html=\"heroTitle\">Een camera kijkt niet.<br><em>De sensor meet licht.<\/em><\/h1>\n        <p class=\"lead\" data-i18n=\"heroLead\">De CMOS-beeldsensor is het elektronische hart achter het camerabeeld. Miljoenen kleine lichtgevoelige pixels zetten licht om in elektrische informatie, waarna de camera daar een digitaal videobeeld van maakt.<\/p>\n        <div class=\"hero-actions\">\n          <a class=\"btn btn-primary\" href=\"#cmos-uitleg\" data-i18n=\"heroCta1\">Ontdek hoe CMOS werkt \u2192<\/a>\n          <a class=\"btn btn-secondary localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/beeldsensor-8mp-dahua-ip-camera\/\" data-i18n=\"heroCta2\">Bekijk de 8MP beeldsensor<\/a>\n        <\/div>\n        <div class=\"checks\">\n          <span data-i18n=\"check1\">Lichtgevoelige pixels<\/span>\n          <span data-i18n=\"check2\">Digitaal uitlezen<\/span>\n          <span data-i18n=\"check3\">Basis van CCTV-beeld<\/span>\n        <\/div>\n      <\/div>\n      <div class=\"sensor-stage\" aria-label=\"CMOS sensor visual\">\n        <div class=\"sensor-card\">\n          <img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/cctvacademy.be\/wp-content\/uploads\/2025\/08\/wat-is-een-cmos-beeld-sensor-CCTV-Micro-Learning-in-Kortrijk-copy.jpg?w=812&#038;ssl=1\" alt=\"CMOS beeldsensor voor CCTV Micro-Learning\" fetchpriority=\"high\">\n          <div class=\"sensor-label\">\n            <div><small>SENSOR CORE<\/small><strong>CMOS \/ PIXEL ARRAY<\/strong><\/div>\n            <span class=\"pulse\" aria-hidden=\"true\"><\/span>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <div class=\"jump-wrap\">\n    <div class=\"wrap\">\n      <nav class=\"jump\" aria-label=\"Page navigation\">\n        <a href=\"#cmos-uitleg\" data-i18n=\"nav1\">CMOS uitgelegd<\/a>\n        <a href=\"#pixels\" data-i18n=\"nav2\">Pixels<\/a>\n        <a href=\"#beeldketen\" data-i18n=\"nav3\">Licht \u2192 beeld<\/a>\n        <a href=\"#sensorformaat\" data-i18n=\"nav4\">Sensorformaat<\/a>\n        <a href=\"#megapixels\" data-i18n=\"nav5\">Megapixels<\/a>\n        <a href=\"#lowlight\" data-i18n=\"nav6\">Low-light<\/a>\n        <a href=\"#rolling\" data-i18n=\"nav7\">Rolling shutter<\/a>\n        <a href=\"#verder\" data-i18n=\"nav8\">Verder leren<\/a>\n      <\/nav>\n    <\/div>\n  <\/div>\n\n  <section class=\"section section-light\" id=\"cmos-uitleg\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s1Kicker\">CMOS uitgelegd<\/div>\n      <h2 data-i18n=\"s1Title\">Complementary Metal-Oxide Semiconductor. Een moeilijke naam voor een slim raster.<\/h2>\n      <div class=\"split\">\n        <div class=\"copy\">\n          <p data-i18n=\"s1p1\">Een CMOS-beeldsensor bestaat uit een groot raster van lichtgevoelige elementen: de pixels.<\/p>\n          <p data-i18n=\"s1p2\">De lens projecteert de sc\u00e8ne op dat sensoroppervlak. Iedere pixel meet hoeveel licht op zijn positie terechtkomt.<\/p>\n          <p data-i18n=\"s1p3\">Die lichtinformatie wordt omgezet naar elektrische signalen. De elektronica in de camera bouwt uit miljoenen van die metingen uiteindelijk een volledig digitaal beeld.<\/p>\n          <p data-i18n=\"s1p4\">De CMOS-sensor neemt dus niet letterlijk een \u201cfoto\u201d. Hij meet licht, pixel per pixel.<\/p>\n        <\/div>\n        <div class=\"visual-panel\" aria-hidden=\"true\">\n          <div class=\"photon-flow\">\n            <div class=\"lens-disc\"><\/div>\n            <div class=\"beam\"><\/div>\n            <div class=\"pixel-grid\">\n              <span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span>\n              <span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span>\n              <span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span>\n              <span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span>\n              <span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span>\n              <span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span><span class=\"pixel\"><\/span>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-light\" id=\"pixels\" style=\"padding-top:10px\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s2Kicker\">Wat doet \u00e9\u00e9n pixel?<\/div>\n      <h2 data-i18n=\"s2Title\">Miljoenen kleine lichtmeters maken samen \u00e9\u00e9n beeld.<\/h2>\n      <p class=\"section-intro\" data-i18n=\"s2Intro\">Iedere pixel draagt een klein stukje beeldinformatie bij. Het eindbeeld is de combinatie van al die afzonderlijke metingen.<\/p>\n      <div class=\"steps\">\n        <article class=\"step\"><div class=\"step-no\"><span>LIGHT<\/span><strong>01<\/strong><\/div><h3 data-i18n=\"st1h\">Licht bereikt de pixel<\/h3><p data-i18n=\"st1p\">Fotonen uit de sc\u00e8ne vallen via de lens op het actieve sensoroppervlak.<\/p><\/article>\n        <article class=\"step\"><div class=\"step-no\"><span>CHARGE<\/span><strong>02<\/strong><\/div><h3 data-i18n=\"st2h\">Lading ontstaat<\/h3><p data-i18n=\"st2p\">De lichtenergie wordt in de pixel omgezet naar een elektrisch signaal.<\/p><\/article>\n        <article class=\"step\"><div class=\"step-no\"><span>READ<\/span><strong>03<\/strong><\/div><h3 data-i18n=\"st3h\">Pixel wordt uitgelezen<\/h3><p data-i18n=\"st3p\">De elektronica leest de waarde van de pixel uit.<\/p><\/article>\n        <article class=\"step\"><div class=\"step-no\"><span>IMAGE<\/span><strong>04<\/strong><\/div><h3 data-i18n=\"st4h\">Processor bouwt het beeld<\/h3><p data-i18n=\"st4p\">Alle pixelinformatie wordt gecombineerd en verder verwerkt tot bruikbare video.<\/p><\/article>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-dark\" id=\"beeldketen\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s3Kicker\">Van werkelijkheid naar videobeeld<\/div>\n      <h2 data-i18n=\"s3Title\">Het camerabeeld ontstaat in een volledige keten.<\/h2>\n      <p class=\"section-intro\" data-i18n=\"s3Intro\">Sensor en lens zijn essentieel, maar er gebeurt nog veel meer voordat het beeld op jouw monitor verschijnt.<\/p>\n      <div class=\"chain\">\n        <div class=\"chain-item\"><strong>01 \u00b7 INPUT<\/strong><b data-i18n=\"chain1h\">Licht<\/b><span data-i18n=\"chain1p\">De echte sc\u00e8ne reflecteert licht.<\/span><\/div>\n        <div class=\"chain-item\"><strong>02 \u00b7 OPTICS<\/strong><b data-i18n=\"chain2h\">Lens<\/b><span data-i18n=\"chain2p\">De optiek projecteert de sc\u00e8ne op de sensor.<\/span><\/div>\n        <div class=\"chain-item\"><strong>03 \u00b7 SENSOR<\/strong><b>CMOS<\/b><span data-i18n=\"chain3p\">Pixels zetten licht om in elektrische informatie.<\/span><\/div>\n        <div class=\"chain-item\"><strong>04 \u00b7 PROCESSING<\/strong><b>Image processor<\/b><span data-i18n=\"chain4p\">Kleur, contrast, WDR en ruis worden verwerkt.<\/span><\/div>\n        <div class=\"chain-item\"><strong>05 \u00b7 OUTPUT<\/strong><b data-i18n=\"chain5h\">Video<\/b><span data-i18n=\"chain5p\">Het beeld wordt gecodeerd, opgeslagen en weergegeven.<\/span><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-light\" id=\"sensorformaat\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s4Kicker\">Sensorformaat<\/div>\n      <h2 data-i18n=\"s4Title\">Niet alleen het aantal pixels telt. Ook de ruimte telt.<\/h2>\n      <div class=\"split\">\n        <div class=\"copy\">\n          <p data-i18n=\"s4p1\">Het fysieke formaat van een beeldsensor heeft invloed op hoe de camera licht kan verzamelen.<\/p>\n          <p data-i18n=\"s4p2\">Twee camera's kunnen dezelfde resolutie hebben, maar toch verschillende sensoren gebruiken.<\/p>\n          <p data-i18n=\"s4p3\">Wanneer vergelijkbare resoluties over verschillende sensorformaten worden verdeeld, verandert ook de beschikbare oppervlakte per pixel.<\/p>\n          <p data-i18n=\"s4p4\">Dat kan relevant zijn voor ruis, gevoeligheid en prestaties in moeilijke lichtomstandigheden.<\/p>\n          <div class=\"note\" data-i18n=\"s4Note\">Belangrijk voor installateurs: kijk nooit uitsluitend naar \u201c4 MP\u201d of \u201c8 MP\u201d. Sensor, lens, pixelgrootte en beeldverwerking horen samen bekeken te worden.<\/div>\n        <\/div>\n        <div class=\"sensor-card\" style=\"width:100%;aspect-ratio:1.35\">\n          <img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/cctvacademy.be\/wp-content\/uploads\/2025\/08\/de-lens-buigt-het-licht-af-.jpg?w=812&#038;ssl=1\" alt=\"De lens projecteert licht op de CMOS sensor\" loading=\"lazy\">\n          <div class=\"sensor-label\"><div><small>OPTICS \u2192 SENSOR<\/small><strong data-i18n=\"imageCaption\">Licht wordt beeldinformatie.<\/strong><\/div><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-light\" id=\"megapixels\" style=\"padding-top:10px\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s5Kicker\">Sensor versus megapixels<\/div>\n      <h2 data-i18n=\"s5Title\">Meer pixels is niet hetzelfde als betere pixels.<\/h2>\n      <p class=\"section-intro\" data-i18n=\"s5Intro\">Resolutie vertelt hoeveel beeldpunten aanwezig zijn. De CMOS-sensor en de volledige beeldketen bepalen hoe bruikbaar die beeldpunten werkelijk worden.<\/p>\n      <div class=\"metric-grid\">\n        <article class=\"metric\"><div class=\"metric-big\">8MP<\/div><div class=\"section-kicker\" data-i18n=\"metric1k\">Resolutie<\/div><h3 data-i18n=\"metric1h\">Hoeveel pixels?<\/h3><p data-i18n=\"metric1p\">Een 8MP-camera produceert een beeld met miljoenen afzonderlijke pixels. Dat is interessant voor detail, grotere sc\u00e8nes en digitaal inzoomen. Maar veel pixels vertellen nog niets over de kwaliteit van het licht dat ze ontvangen.<\/p><\/article>\n        <article class=\"metric\"><div class=\"metric-big\">IQ<\/div><div class=\"section-kicker\">Image Quality<\/div><h3 data-i18n=\"metric2h\">Hoe goed is iedere pixel?<\/h3><p data-i18n=\"metric2p\">Licht, sensoroppervlak, optiek, sluitertijd, versterking, ruisonderdrukking, WDR en compressie bepalen samen hoe bruikbaar het eindbeeld is. Daarom beoordeel je professionele CCTV-camera's nooit alleen op megapixels.<\/p><\/article>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-dark\" id=\"lowlight\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s6Kicker\">CMOS bij weinig licht<\/div>\n      <h2 data-i18n=\"s6Title\">Overdag heeft de sensor licht genoeg. 's Nachts wordt het interessant.<\/h2>\n      <div class=\"lowlight\">\n        <div class=\"lowlight-copy\">\n          <p data-i18n=\"s6p1\">Wanneer er minder licht beschikbaar is, ontvangen de pixels minder bruikbare lichtinformatie.<\/p>\n          <p data-i18n=\"s6p2\">De camera kan vervolgens proberen het beeld elektronisch helderder te maken. Maar extra versterking kan ook extra ruis zichtbaar maken.<\/p>\n          <p data-i18n=\"s6p3\">Daarom werken sensor, verlichting, sluitertijd en beeldprocessing altijd samen.<\/p>\n          <p data-i18n=\"s6p4\">Bij moderne CCTV-camera's speelt ook intelligente verlichting, zoals Smart Dual Light, hierin een belangrijke rol.<\/p>\n          <a class=\"btn btn-primary localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/slimme-ai-verlichting-dual-licht-ir-licht-warm-wit-licht\/\" data-i18n=\"dualCta\">Bekijk Smart Dual Light \u2192<\/a>\n        <\/div>\n        <div class=\"factors\">\n          <div class=\"factor\"><strong>\u00b5m \u00b7 PIXEL<\/strong><span data-i18n=\"factor1\">De effectieve pixelstructuur be\u00efnvloedt hoeveel lichtinformatie kan worden verzameld.<\/span><\/div>\n          <div class=\"factor\"><strong>GAIN<\/strong><span data-i18n=\"factor2\">Signaal kan versterkt worden, maar daarmee kan ook ruis toenemen.<\/span><\/div>\n          <div class=\"factor\"><strong>EXP \u00b7 EXPOSURE<\/strong><span data-i18n=\"factor3\">Langere belichting verzamelt meer licht, maar kan beweging vervagen.<\/span><\/div>\n          <div class=\"factor\"><strong>IR \/ WW<\/strong><span data-i18n=\"factor4\">IR of warm wit licht kan de sensor meer bruikbare informatie geven.<\/span><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-dark\" id=\"rolling\" style=\"padding-top:0\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\">Rolling shutter<\/div>\n      <h2 data-i18n=\"s7Title\">De volledige sensor wordt niet altijd exact tegelijk uitgelezen.<\/h2>\n      <div class=\"rolling\">\n        <div class=\"scan\" aria-hidden=\"true\"><div class=\"scan-lines\"><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><span class=\"scan-line\"><\/span><\/div><\/div>\n        <div class=\"copy\">\n          <p data-i18n=\"s7p1\">Veel CMOS-sensoren gebruiken een zogenaamde rolling-shutteruitlezing.<\/p>\n          <p data-i18n=\"s7p2\">Daarbij worden beeldlijnen zeer snel na elkaar uitgelezen, in plaats van het volledige sensorvlak op exact hetzelfde moment.<\/p>\n          <p data-i18n=\"s7p3\">Bij normale CCTV-beelden hoeft dat geen zichtbaar probleem te zijn. Bij snelle bewegingen, vibratie of bepaalde lichtbronnen kunnen echter typische beeldartefacten optreden.<\/p>\n          <p data-i18n=\"s7p4\">Het is \u00e9\u00e9n van de redenen waarom \u201cde sensor begrijpen\u201d nuttig is bij troubleshooting.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-dark\" style=\"padding-top:10px\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s8Kicker\">Van theorie naar camera<\/div>\n      <h2 data-i18n=\"s8Title\">De CMOS-sensor zit achter het glas.<\/h2>\n      <p class=\"section-intro\" data-i18n=\"s8Intro\">Je ziet de sensor tijdens een normale installatie nauwelijks. Toch bepaalt hij mee wat je uiteindelijk op jouw recorder en monitor ziet.<\/p>\n      <div class=\"hardware\">\n        <a class=\"hardware-img localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/beeldsensor-8mp-dahua-ip-camera\/\">\n          <img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/cctvacademy.be\/wp-content\/uploads\/2025\/08\/wat-is-een-cmos-beeld-sensor-CCTV-Micro-Learning-in-Kortrijk-copy.jpg?w=812&#038;ssl=1\" alt=\"Dahua 8 megapixel IP camera met CMOS beeldsensor\" loading=\"lazy\">\n          <div class=\"hardware-caption\"><small>8MP DAHUA IP CAMERA<\/small><strong data-i18n=\"s8Caption\">1\/2,7&quot; CMOS achter de 2.8mm lens.<\/strong><\/div>\n        <\/a>\n        <div class=\"rules\">\n          <div class=\"rule\"><small>RULE 01<\/small><strong data-i18n=\"rule1h\">CMOS meet licht<\/strong><span data-i18n=\"rule1p\">De sensor zet binnenkomende lichtinformatie om naar elektrische beeldinformatie.<\/span><\/div>\n          <div class=\"rule\"><small>RULE 02<\/small><strong data-i18n=\"rule2h\">Megapixels zijn niet alles<\/strong><span data-i18n=\"rule2p\">Resolutie zegt hoeveel pixels er zijn, niet hoe bruikbaar iedere pixel is.<\/span><\/div>\n          <div class=\"rule\"><small>RULE 03<\/small><strong data-i18n=\"rule3h\">Licht is cruciaal<\/strong><span data-i18n=\"rule3p\">Hoe minder licht, hoe moeilijker de sensor bruikbare informatie verzamelt.<\/span><\/div>\n          <div class=\"rule\"><small>RULE 04<\/small><strong data-i18n=\"rule4h\">De hele keten telt<\/strong><span data-i18n=\"rule4p\">Lens, sensor, processor, verlichting, compressie en installatie horen samen.<\/span><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"section section-light\" id=\"verder\">\n    <div class=\"wrap\">\n      <div class=\"section-kicker\" data-i18n=\"s9Kicker\">Technische kennisbank<\/div>\n      <h2 data-i18n=\"s9Title\">Begrijp nu ook de rest van de camera.<\/h2>\n      <p class=\"section-intro\" data-i18n=\"s9Intro\">De CMOS-sensor is slechts \u00e9\u00e9n schakel. Gebruik de volgende onderwerpen om het volledige camerasysteem technisch te begrijpen.<\/p>\n      <div class=\"knowledge\">\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/beeldsensor-8mp-dahua-ip-camera\/\"><div class=\"card-tag\">Sensor<\/div><h3 data-i18n=\"k1h\">8MP Dahua beeldsensor<\/h3><p data-i18n=\"k1p\">Bekijk hoe CMOS concreet wordt toegepast in de 8MP IP-camera.<\/p><div class=\"card-link\" data-i18n=\"k1c\">Bekijk 8MP sensor \u2192<\/div><\/a>\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/8-megapixel-ip-turret-camera-met-smart-dual-light-verlichting\/\"><div class=\"card-tag\">Camera<\/div><h3 data-i18n=\"k2h\">8MP IP Turret camera<\/h3><p data-i18n=\"k2p\">Bekijk sensor, lens, AI, verlichting en opslag als geheel.<\/p><div class=\"card-link\" data-i18n=\"k2c\">Bekijk camera \u2192<\/div><\/a>\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/2-8mm-fixed-focal-netwerk-camera\/\"><div class=\"card-tag\">Optics<\/div><h3>2.8mm Fixed Focal<\/h3><p data-i18n=\"k3p\">Begrijp hoe de lens bepaalt welk beeld op de sensor valt.<\/p><div class=\"card-link\" data-i18n=\"k3c\">Bekijk 2.8mm \u2192<\/div><\/a>\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/slimme-ai-verlichting-dual-licht-ir-licht-warm-wit-licht\/\"><div class=\"card-tag\">Light<\/div><h3>Smart Dual Light<\/h3><p data-i18n=\"k4p\">Geef de CMOS-sensor 's nachts meer bruikbare lichtinformatie.<\/p><div class=\"card-link\" data-i18n=\"k4c\">Bekijk Dual Light \u2192<\/div><\/a>\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/ai-chip-in-de-8-megapixel-ip-camera-van-dahua\/\"><div class=\"card-tag\">AI<\/div><h3 data-i18n=\"k5h\">AI-chip in de camera<\/h3><p data-i18n=\"k5p\">Na beeldregistratie kan intelligente analyse rechtstreeks in de camera gebeuren.<\/p><div class=\"card-link\" data-i18n=\"k5c\">Bekijk AI-chip \u2192<\/div><\/a>\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/dahua-codering-smart-h-264-h-265\/\"><div class=\"card-tag\">Codec<\/div><h3>Smart H.265+<\/h3><p data-i18n=\"k6p\">Ontdek wat er met de videodata gebeurt nadat het beeld werd opgebouwd.<\/p><div class=\"card-link\" data-i18n=\"k6c\">Bekijk videocompressie \u2192<\/div><\/a>\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/opslag-microsd-tot-512-gb\/\"><div class=\"card-tag\">Storage<\/div><h3>microSD tot 512 GB<\/h3><p data-i18n=\"k7p\">Bewaar videodata lokaal in de IP-camera.<\/p><div class=\"card-link\" data-i18n=\"k7c\">Bekijk opslag \u2192<\/div><\/a>\n        <a class=\"localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/wat-mag-je-verwachten-van-cctv-micro-learning\/\"><div class=\"card-tag\">Hands-on<\/div><h3>CCTV Micro-Learning<\/h3><p data-i18n=\"k8p\">Test camera's, instellingen en beeldkwaliteit zelf in de praktijk.<\/p><div class=\"card-link\" data-i18n=\"k8c\">Ontdek Micro-Learning \u2192<\/div><\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <div class=\"ticker\" aria-hidden=\"true\"><div class=\"ticker-track\"><span>CMOS SENSOR<\/span><span>PHOTONS<\/span><span>PIXEL ARRAY<\/span><span>IMAGE SENSOR<\/span><span>EXPOSURE<\/span><span>LOW LIGHT<\/span><span>IMAGE PROCESSING<\/span><span>8 MEGAPIXEL<\/span><span>3840 \u00d7 2160<\/span><span>CCTV ACADEMY<\/span><span>CMOS SENSOR<\/span><span>PHOTONS<\/span><span>PIXEL ARRAY<\/span><span>IMAGE SENSOR<\/span><span>EXPOSURE<\/span><span>LOW LIGHT<\/span><span>IMAGE PROCESSING<\/span><span>8 MEGAPIXEL<\/span><span>3840 \u00d7 2160<\/span><span>CCTV ACADEMY<\/span><\/div><\/div>\n\n  <section class=\"cta\">\n    <div class=\"wrap\">\n      <div class=\"cta-card\">\n        <div class=\"section-kicker\">CCTV Micro-Learning<\/div>\n        <h2 data-i18n=\"ctaTitle\">Een beeldsensor begrijpen wordt eenvoudig wanneer je zelf aan de camera draait.<\/h2>\n        <p data-i18n=\"ctaText\">Verander sluitertijd, verlichting, resolutie, bitrate en camerahoek en bekijk onmiddellijk wat de CMOS-sensor en beeldprocessor daarvan maken.<\/p>\n        <div class=\"cta-actions\">\n          <a class=\"btn btn-primary localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/wat-mag-je-verwachten-van-cctv-micro-learning\/\" data-i18n=\"cta1\">Ontdek CCTV Micro-Learning \u2192<\/a>\n          <a class=\"btn btn-secondary localized-link\" href=\"https:\/\/cctvacademy.be\/nl\/opleidingen\/\" data-i18n=\"cta2\">Bekijk de CCTV-opleidingen<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n<\/div>\n\n<script>\n(function(){\n  \"use strict\";\n  var root=document.getElementById(\"cctv-cmos-page\");\n  if(!root){return;}\n  var copy={\n    nl:{\n      heroEyebrow:\"CCTV Academy \u00b7 Fundamenten van de beeldsensor\",heroTitle:'Een camera kijkt niet.<br><em>De sensor meet licht.<\/em>',heroLead:\"De CMOS-beeldsensor is het elektronische hart achter het camerabeeld. Miljoenen kleine lichtgevoelige pixels zetten licht om in elektrische informatie, waarna de camera daar een digitaal videobeeld van maakt.\",heroCta1:\"Ontdek hoe CMOS werkt \u2192\",heroCta2:\"Bekijk de 8MP beeldsensor\",check1:\"Lichtgevoelige pixels\",check2:\"Digitaal uitlezen\",check3:\"Basis van CCTV-beeld\",\n      nav1:\"CMOS uitgelegd\",nav2:\"Pixels\",nav3:\"Licht \u2192 beeld\",nav4:\"Sensorformaat\",nav5:\"Megapixels\",nav6:\"Low-light\",nav7:\"Rolling shutter\",nav8:\"Verder leren\",\n      s1Kicker:\"CMOS uitgelegd\",s1Title:\"Complementary Metal-Oxide Semiconductor. Een moeilijke naam voor een slim raster.\",s1p1:\"Een CMOS-beeldsensor bestaat uit een groot raster van lichtgevoelige elementen: de pixels.\",s1p2:\"De lens projecteert de sc\u00e8ne op dat sensoroppervlak. Iedere pixel meet hoeveel licht op zijn positie terechtkomt.\",s1p3:\"Die lichtinformatie wordt omgezet naar elektrische signalen. De elektronica in de camera bouwt uit miljoenen van die metingen uiteindelijk een volledig digitaal beeld.\",s1p4:\"De CMOS-sensor neemt dus niet letterlijk een \u2018foto\u2019. Hij meet licht, pixel per pixel.\",\n      s2Kicker:\"Wat doet \u00e9\u00e9n pixel?\",s2Title:\"Miljoenen kleine lichtmeters maken samen \u00e9\u00e9n beeld.\",s2Intro:\"Iedere pixel draagt een klein stukje beeldinformatie bij. Het eindbeeld is de combinatie van al die afzonderlijke metingen.\",st1h:\"Licht bereikt de pixel\",st1p:\"Fotonen uit de sc\u00e8ne vallen via de lens op het actieve sensoroppervlak.\",st2h:\"Lading ontstaat\",st2p:\"De lichtenergie wordt in de pixel omgezet naar een elektrisch signaal.\",st3h:\"Pixel wordt uitgelezen\",st3p:\"De elektronica leest de waarde van de pixel uit.\",st4h:\"Processor bouwt het beeld\",st4p:\"Alle pixelinformatie wordt gecombineerd en verder verwerkt tot bruikbare video.\",\n      s3Kicker:\"Van werkelijkheid naar videobeeld\",s3Title:\"Het camerabeeld ontstaat in een volledige keten.\",s3Intro:\"Sensor en lens zijn essentieel, maar er gebeurt nog veel meer voordat het beeld op jouw monitor verschijnt.\",chain1h:\"Licht\",chain1p:\"De echte sc\u00e8ne reflecteert licht.\",chain2h:\"Lens\",chain2p:\"De optiek projecteert de sc\u00e8ne op de sensor.\",chain3p:\"Pixels zetten licht om in elektrische informatie.\",chain4p:\"Kleur, contrast, WDR en ruis worden verwerkt.\",chain5h:\"Video\",chain5p:\"Het beeld wordt gecodeerd, opgeslagen en weergegeven.\",\n      s4Kicker:\"Sensorformaat\",s4Title:\"Niet alleen het aantal pixels telt. Ook de ruimte telt.\",s4p1:\"Het fysieke formaat van een beeldsensor heeft invloed op hoe de camera licht kan verzamelen.\",s4p2:\"Twee camera's kunnen dezelfde resolutie hebben, maar toch verschillende sensoren gebruiken.\",s4p3:\"Wanneer vergelijkbare resoluties over verschillende sensorformaten worden verdeeld, verandert ook de beschikbare oppervlakte per pixel.\",s4p4:\"Dat kan relevant zijn voor ruis, gevoeligheid en prestaties in moeilijke lichtomstandigheden.\",s4Note:\"Belangrijk voor installateurs: kijk nooit uitsluitend naar \u20184 MP\u2019 of \u20188 MP\u2019. Sensor, lens, pixelgrootte en beeldverwerking horen samen bekeken te worden.\",imageCaption:\"Licht wordt beeldinformatie.\",\n      s5Kicker:\"Sensor versus megapixels\",s5Title:\"Meer pixels is niet hetzelfde als betere pixels.\",s5Intro:\"Resolutie vertelt hoeveel beeldpunten aanwezig zijn. De CMOS-sensor en de volledige beeldketen bepalen hoe bruikbaar die beeldpunten werkelijk worden.\",metric1k:\"Resolutie\",metric1h:\"Hoeveel pixels?\",metric1p:\"Een 8MP-camera produceert een beeld met miljoenen afzonderlijke pixels. Dat is interessant voor detail, grotere sc\u00e8nes en digitaal inzoomen. Maar veel pixels vertellen nog niets over de kwaliteit van het licht dat ze ontvangen.\",metric2h:\"Hoe goed is iedere pixel?\",metric2p:\"Licht, sensoroppervlak, optiek, sluitertijd, versterking, ruisonderdrukking, WDR en compressie bepalen samen hoe bruikbaar het eindbeeld is. Daarom beoordeel je professionele CCTV-camera's nooit alleen op megapixels.\",\n      s6Kicker:\"CMOS bij weinig licht\",s6Title:\"Overdag heeft de sensor licht genoeg. 's Nachts wordt het interessant.\",s6p1:\"Wanneer er minder licht beschikbaar is, ontvangen de pixels minder bruikbare lichtinformatie.\",s6p2:\"De camera kan vervolgens proberen het beeld elektronisch helderder te maken. Maar extra versterking kan ook extra ruis zichtbaar maken.\",s6p3:\"Daarom werken sensor, verlichting, sluitertijd en beeldprocessing altijd samen.\",s6p4:\"Bij moderne CCTV-camera's speelt ook intelligente verlichting, zoals Smart Dual Light, hierin een belangrijke rol.\",dualCta:\"Bekijk Smart Dual Light \u2192\",factor1:\"De effectieve pixelstructuur be\u00efnvloedt hoeveel lichtinformatie kan worden verzameld.\",factor2:\"Signaal kan versterkt worden, maar daarmee kan ook ruis toenemen.\",factor3:\"Langere belichting verzamelt meer licht, maar kan beweging vervagen.\",factor4:\"IR of warm wit licht kan de sensor meer bruikbare informatie geven.\",\n      s7Title:\"De volledige sensor wordt niet altijd exact tegelijk uitgelezen.\",s7p1:\"Veel CMOS-sensoren gebruiken een zogenaamde rolling-shutteruitlezing.\",s7p2:\"Daarbij worden beeldlijnen zeer snel na elkaar uitgelezen, in plaats van het volledige sensorvlak op exact hetzelfde moment.\",s7p3:\"Bij normale CCTV-beelden hoeft dat geen zichtbaar probleem te zijn. Bij snelle bewegingen, vibratie of bepaalde lichtbronnen kunnen echter typische beeldartefacten optreden.\",s7p4:\"Het is \u00e9\u00e9n van de redenen waarom \u2018de sensor begrijpen\u2019 nuttig is bij troubleshooting.\",\n      s8Kicker:\"Van theorie naar camera\",s8Title:\"De CMOS-sensor zit achter het glas.\",s8Intro:\"Je ziet de sensor tijdens een normale installatie nauwelijks. Toch bepaalt hij mee wat je uiteindelijk op jouw recorder en monitor ziet.\",s8Caption:'1\/2,7\" CMOS achter de 2.8mm lens.',rule1h:\"CMOS meet licht\",rule1p:\"De sensor zet binnenkomende lichtinformatie om naar elektrische beeldinformatie.\",rule2h:\"Megapixels zijn niet alles\",rule2p:\"Resolutie zegt hoeveel pixels er zijn, niet hoe bruikbaar iedere pixel is.\",rule3h:\"Licht is cruciaal\",rule3p:\"Hoe minder licht, hoe moeilijker de sensor bruikbare informatie verzamelt.\",rule4h:\"De hele keten telt\",rule4p:\"Lens, sensor, processor, verlichting, compressie en installatie horen samen.\",\n      s9Kicker:\"Technische kennisbank\",s9Title:\"Begrijp nu ook de rest van de camera.\",s9Intro:\"De CMOS-sensor is slechts \u00e9\u00e9n schakel. Gebruik de volgende onderwerpen om het volledige camerasysteem technisch te begrijpen.\",k1h:\"8MP Dahua beeldsensor\",k1p:\"Bekijk hoe CMOS concreet wordt toegepast in de 8MP IP-camera.\",k1c:\"Bekijk 8MP sensor \u2192\",k2h:\"8MP IP Turret camera\",k2p:\"Bekijk sensor, lens, AI, verlichting en opslag als geheel.\",k2c:\"Bekijk camera \u2192\",k3p:\"Begrijp hoe de lens bepaalt welk beeld op de sensor valt.\",k3c:\"Bekijk 2.8mm \u2192\",k4p:\"Geef de CMOS-sensor 's nachts meer bruikbare lichtinformatie.\",k4c:\"Bekijk Dual Light \u2192\",k5h:\"AI-chip in de camera\",k5p:\"Na beeldregistratie kan intelligente analyse rechtstreeks in de camera gebeuren.\",k5c:\"Bekijk AI-chip \u2192\",k6p:\"Ontdek wat er met de videodata gebeurt nadat het beeld werd opgebouwd.\",k6c:\"Bekijk videocompressie \u2192\",k7p:\"Bewaar videodata lokaal in de IP-camera.\",k7c:\"Bekijk opslag \u2192\",k8p:\"Test camera's, instellingen en beeldkwaliteit zelf in de praktijk.\",k8c:\"Ontdek Micro-Learning \u2192\",ctaTitle:\"Een beeldsensor begrijpen wordt eenvoudig wanneer je zelf aan de camera draait.\",ctaText:\"Verander sluitertijd, verlichting, resolutie, bitrate en camerahoek en bekijk onmiddellijk wat de CMOS-sensor en beeldprocessor daarvan maken.\",cta1:\"Ontdek CCTV Micro-Learning \u2192\",cta2:\"Bekijk de CCTV-opleidingen\"\n    },\n    fr:{\n      heroEyebrow:\"CCTV Academy \u00b7 Principes du capteur d\u2019image\",heroTitle:'Une cam\u00e9ra ne regarde pas.<br><em>Le capteur mesure la lumi\u00e8re.<\/em>',heroLead:\"Le capteur d\u2019image CMOS est le c\u0153ur \u00e9lectronique de l\u2019image de la cam\u00e9ra. Des millions de pixels photosensibles transforment la lumi\u00e8re en informations \u00e9lectriques, ensuite converties en image vid\u00e9o num\u00e9rique.\",heroCta1:\"D\u00e9couvrir le fonctionnement du CMOS \u2192\",heroCta2:\"Voir le capteur 8 MP\",check1:\"Pixels photosensibles\",check2:\"Lecture num\u00e9rique\",check3:\"Base de l\u2019image CCTV\",\n      nav1:\"CMOS expliqu\u00e9\",nav2:\"Pixels\",nav3:\"Lumi\u00e8re \u2192 image\",nav4:\"Format du capteur\",nav5:\"M\u00e9gapixels\",nav6:\"Faible lumi\u00e8re\",nav7:\"Rolling shutter\",nav8:\"Continuer\",\n      s1Kicker:\"CMOS expliqu\u00e9\",s1Title:\"Complementary Metal-Oxide Semiconductor. Un nom complexe pour une matrice intelligente.\",s1p1:\"Un capteur d\u2019image CMOS se compose d\u2019une grande matrice d\u2019\u00e9l\u00e9ments photosensibles : les pixels.\",s1p2:\"L\u2019objectif projette la sc\u00e8ne sur la surface du capteur. Chaque pixel mesure la quantit\u00e9 de lumi\u00e8re qui atteint sa position.\",s1p3:\"Ces informations lumineuses sont converties en signaux \u00e9lectriques. L\u2019\u00e9lectronique de la cam\u00e9ra assemble des millions de mesures pour produire une image num\u00e9rique compl\u00e8te.\",s1p4:\"Le capteur CMOS ne prend donc pas litt\u00e9ralement une \u2018photo\u2019. Il mesure la lumi\u00e8re, pixel par pixel.\",\n      s2Kicker:\"Que fait un pixel ?\",s2Title:\"Des millions de petits photom\u00e8tres composent une seule image.\",s2Intro:\"Chaque pixel fournit une petite partie de l\u2019information visuelle. L\u2019image finale combine toutes ces mesures individuelles.\",st1h:\"La lumi\u00e8re atteint le pixel\",st1p:\"Les photons de la sc\u00e8ne atteignent la surface active du capteur via l\u2019objectif.\",st2h:\"Une charge se forme\",st2p:\"L\u2019\u00e9nergie lumineuse est convertie dans le pixel en signal \u00e9lectrique.\",st3h:\"Le pixel est lu\",st3p:\"L\u2019\u00e9lectronique lit la valeur du pixel.\",st4h:\"Le processeur construit l\u2019image\",st4p:\"Toutes les informations des pixels sont combin\u00e9es et trait\u00e9es pour produire une vid\u00e9o exploitable.\",\n      s3Kicker:\"De la r\u00e9alit\u00e9 \u00e0 l\u2019image vid\u00e9o\",s3Title:\"L\u2019image de la cam\u00e9ra na\u00eet d\u2019une cha\u00eene compl\u00e8te.\",s3Intro:\"Le capteur et l\u2019objectif sont essentiels, mais de nombreuses \u00e9tapes ont lieu avant que l\u2019image apparaisse sur votre moniteur.\",chain1h:\"Lumi\u00e8re\",chain1p:\"La sc\u00e8ne r\u00e9elle r\u00e9fl\u00e9chit la lumi\u00e8re.\",chain2h:\"Objectif\",chain2p:\"L\u2019optique projette la sc\u00e8ne sur le capteur.\",chain3p:\"Les pixels convertissent la lumi\u00e8re en informations \u00e9lectriques.\",chain4p:\"Couleur, contraste, WDR et bruit sont trait\u00e9s.\",chain5h:\"Vid\u00e9o\",chain5p:\"L\u2019image est encod\u00e9e, enregistr\u00e9e et affich\u00e9e.\",\n      s4Kicker:\"Format du capteur\",s4Title:\"Le nombre de pixels ne suffit pas. L\u2019espace compte aussi.\",s4p1:\"La taille physique d\u2019un capteur influence la mani\u00e8re dont la cam\u00e9ra collecte la lumi\u00e8re.\",s4p2:\"Deux cam\u00e9ras peuvent avoir la m\u00eame r\u00e9solution tout en utilisant des capteurs de tailles diff\u00e9rentes.\",s4p3:\"Lorsque des r\u00e9solutions comparables sont r\u00e9parties sur des capteurs diff\u00e9rents, la surface disponible par pixel change \u00e9galement.\",s4p4:\"Cela peut influencer le bruit, la sensibilit\u00e9 et les performances dans des conditions lumineuses difficiles.\",s4Note:\"Important pour les installateurs : ne regardez jamais uniquement \u20184 MP\u2019 ou \u20188 MP\u2019. Capteur, objectif, taille des pixels et traitement d\u2019image doivent \u00eatre \u00e9valu\u00e9s ensemble.\",imageCaption:\"La lumi\u00e8re devient information d\u2019image.\",\n      s5Kicker:\"Capteur versus m\u00e9gapixels\",s5Title:\"Plus de pixels ne signifie pas de meilleurs pixels.\",s5Intro:\"La r\u00e9solution indique le nombre de points d\u2019image. Le capteur CMOS et toute la cha\u00eene d\u2019image d\u00e9terminent leur utilit\u00e9 r\u00e9elle.\",metric1k:\"R\u00e9solution\",metric1h:\"Combien de pixels ?\",metric1p:\"Une cam\u00e9ra 8 MP produit une image compos\u00e9e de millions de pixels. C\u2019est int\u00e9ressant pour le d\u00e9tail, les grandes sc\u00e8nes et le zoom num\u00e9rique. Mais le nombre de pixels ne dit rien sur la qualit\u00e9 de la lumi\u00e8re qu\u2019ils re\u00e7oivent.\",metric2h:\"Quelle qualit\u00e9 par pixel ?\",metric2p:\"Lumi\u00e8re, surface du capteur, optique, obturation, gain, r\u00e9duction du bruit, WDR et compression d\u00e9terminent ensemble la qualit\u00e9 utile de l\u2019image. Une cam\u00e9ra CCTV professionnelle ne se juge donc jamais uniquement en m\u00e9gapixels.\",\n      s6Kicker:\"CMOS en faible lumi\u00e8re\",s6Title:\"Le jour, le capteur re\u00e7oit assez de lumi\u00e8re. La nuit devient int\u00e9ressante.\",s6p1:\"Quand la lumi\u00e8re diminue, les pixels re\u00e7oivent moins d\u2019informations lumineuses utiles.\",s6p2:\"La cam\u00e9ra peut \u00e9claircir \u00e9lectroniquement l\u2019image, mais un gain suppl\u00e9mentaire peut aussi rendre davantage de bruit visible.\",s6p3:\"Capteur, \u00e9clairage, vitesse d\u2019obturation et traitement d\u2019image fonctionnent donc toujours ensemble.\",s6p4:\"Sur les cam\u00e9ras CCTV modernes, un \u00e9clairage intelligent comme Smart Dual Light joue \u00e9galement un r\u00f4le important.\",dualCta:\"Voir Smart Dual Light \u2192\",factor1:\"La structure effective du pixel influence la quantit\u00e9 d\u2019information lumineuse pouvant \u00eatre collect\u00e9e.\",factor2:\"Le signal peut \u00eatre amplifi\u00e9, mais le bruit peut augmenter en m\u00eame temps.\",factor3:\"Une exposition plus longue collecte davantage de lumi\u00e8re mais peut flouter les mouvements.\",factor4:\"L\u2019IR ou une lumi\u00e8re blanche chaude peut fournir davantage d\u2019informations utiles au capteur.\",\n      s7Title:\"Toute la surface du capteur n\u2019est pas toujours lue exactement au m\u00eame instant.\",s7p1:\"De nombreux capteurs CMOS utilisent une lecture dite rolling shutter.\",s7p2:\"Les lignes de l\u2019image sont alors lues tr\u00e8s rapidement les unes apr\u00e8s les autres, au lieu de lire toute la surface au m\u00eame instant.\",s7p3:\"En CCTV normale, cela ne pose pas forc\u00e9ment de probl\u00e8me visible. Des mouvements rapides, des vibrations ou certaines sources lumineuses peuvent toutefois produire des artefacts typiques.\",s7p4:\"C\u2019est une raison suppl\u00e9mentaire pour laquelle comprendre le capteur aide au d\u00e9pannage.\",\n      s8Kicker:\"De la th\u00e9orie \u00e0 la cam\u00e9ra\",s8Title:\"Le capteur CMOS se trouve derri\u00e8re le verre.\",s8Intro:\"On voit rarement le capteur pendant une installation normale. Pourtant, il participe directement \u00e0 ce que vous voyez finalement sur l\u2019enregistreur et le moniteur.\",s8Caption:'CMOS 1\/2,7\" derri\u00e8re l\u2019objectif 2.8 mm.',rule1h:\"Le CMOS mesure la lumi\u00e8re\",rule1p:\"Le capteur convertit la lumi\u00e8re re\u00e7ue en informations \u00e9lectriques d\u2019image.\",rule2h:\"Les m\u00e9gapixels ne font pas tout\",rule2p:\"La r\u00e9solution indique le nombre de pixels, pas la qualit\u00e9 utile de chacun.\",rule3h:\"La lumi\u00e8re est cruciale\",rule3p:\"Moins il y a de lumi\u00e8re, plus il est difficile de collecter des informations utiles.\",rule4h:\"Toute la cha\u00eene compte\",rule4p:\"Objectif, capteur, processeur, \u00e9clairage, compression et installation fonctionnent ensemble.\",\n      s9Kicker:\"Base de connaissances technique\",s9Title:\"Comprenez maintenant le reste de la cam\u00e9ra.\",s9Intro:\"Le capteur CMOS n\u2019est qu\u2019un maillon. Utilisez les sujets suivants pour comprendre l\u2019ensemble du syst\u00e8me CCTV.\",k1h:\"Capteur Dahua 8 MP\",k1p:\"Voyez comment le CMOS est appliqu\u00e9 concr\u00e8tement dans la cam\u00e9ra IP 8 MP.\",k1c:\"Voir le capteur 8 MP \u2192\",k2h:\"Cam\u00e9ra IP Turret 8 MP\",k2p:\"\u00c9tudiez ensemble capteur, objectif, IA, \u00e9clairage et stockage.\",k2c:\"Voir la cam\u00e9ra \u2192\",k3p:\"Comprenez comment l\u2019objectif d\u00e9termine l\u2019image projet\u00e9e sur le capteur.\",k3c:\"Voir le 2.8 mm \u2192\",k4p:\"Donnez au capteur CMOS davantage d\u2019informations lumineuses utiles la nuit.\",k4c:\"Voir Dual Light \u2192\",k5h:\"Puce IA dans la cam\u00e9ra\",k5p:\"Apr\u00e8s la capture de l\u2019image, l\u2019analyse intelligente peut s\u2019effectuer directement dans la cam\u00e9ra.\",k5c:\"Voir la puce IA \u2192\",k6p:\"D\u00e9couvrez ce qu\u2019il advient des donn\u00e9es vid\u00e9o une fois l\u2019image construite.\",k6c:\"Voir la compression vid\u00e9o \u2192\",k7p:\"Enregistrez les donn\u00e9es vid\u00e9o localement dans la cam\u00e9ra IP.\",k7c:\"Voir le stockage \u2192\",k8p:\"Testez vous-m\u00eame cam\u00e9ras, r\u00e9glages et qualit\u00e9 d\u2019image en pratique.\",k8c:\"D\u00e9couvrir Micro-Learning \u2192\",ctaTitle:\"Comprendre un capteur d\u2019image devient simple quand vous manipulez vous-m\u00eame la cam\u00e9ra.\",ctaText:\"Modifiez l\u2019obturation, l\u2019\u00e9clairage, la r\u00e9solution, le d\u00e9bit et l\u2019angle de cam\u00e9ra et observez imm\u00e9diatement le r\u00e9sultat du capteur CMOS et du processeur d\u2019image.\",cta1:\"D\u00e9couvrir CCTV Micro-Learning \u2192\",cta2:\"Voir les formations CCTV\"\n    },\n    en:{\n      heroEyebrow:\"CCTV Academy \u00b7 Image sensor fundamentals\",heroTitle:'A camera does not look.<br><em>The sensor measures light.<\/em>',heroLead:\"The CMOS image sensor is the electronic heart of the camera image. Millions of light-sensitive pixels convert light into electrical information, which the camera turns into a digital video image.\",heroCta1:\"Discover how CMOS works \u2192\",heroCta2:\"View the 8MP image sensor\",check1:\"Light-sensitive pixels\",check2:\"Digital readout\",check3:\"Foundation of CCTV imaging\",\n      nav1:\"CMOS explained\",nav2:\"Pixels\",nav3:\"Light \u2192 image\",nav4:\"Sensor size\",nav5:\"Megapixels\",nav6:\"Low-light\",nav7:\"Rolling shutter\",nav8:\"Learn more\",\n      s1Kicker:\"CMOS explained\",s1Title:\"Complementary Metal-Oxide Semiconductor. A difficult name for a smart grid.\",s1p1:\"A CMOS image sensor consists of a large grid of light-sensitive elements: pixels.\",s1p2:\"The lens projects the scene onto the sensor surface. Each pixel measures how much light reaches its position.\",s1p3:\"That light information is converted into electrical signals. The camera electronics combine millions of measurements into a complete digital image.\",s1p4:\"A CMOS sensor therefore does not literally take a \u2018photo\u2019. It measures light, pixel by pixel.\",\n      s2Kicker:\"What does one pixel do?\",s2Title:\"Millions of tiny light meters create one image together.\",s2Intro:\"Each pixel contributes a small piece of image information. The final image is the combination of all those individual measurements.\",st1h:\"Light reaches the pixel\",st1p:\"Photons from the scene reach the active sensor surface through the lens.\",st2h:\"Charge is created\",st2p:\"Light energy is converted inside the pixel into an electrical signal.\",st3h:\"The pixel is read\",st3p:\"The electronics read the value of the pixel.\",st4h:\"The processor builds the image\",st4p:\"All pixel information is combined and processed into usable video.\",\n      s3Kicker:\"From reality to video image\",s3Title:\"The camera image is created by a complete chain.\",s3Intro:\"Sensor and lens are essential, but much more happens before the image appears on your monitor.\",chain1h:\"Light\",chain1p:\"The real scene reflects light.\",chain2h:\"Lens\",chain2p:\"The optics project the scene onto the sensor.\",chain3p:\"Pixels convert light into electrical information.\",chain4p:\"Colour, contrast, WDR and noise are processed.\",chain5h:\"Video\",chain5p:\"The image is encoded, stored and displayed.\",\n      s4Kicker:\"Sensor size\",s4Title:\"Pixel count is not the only thing that matters. Space matters too.\",s4p1:\"The physical size of an image sensor affects how the camera can collect light.\",s4p2:\"Two cameras can have the same resolution while using different sensor sizes.\",s4p3:\"When similar resolutions are spread over different sensor sizes, the available surface area per pixel changes as well.\",s4p4:\"That can affect noise, sensitivity and performance in difficult lighting conditions.\",s4Note:\"Important for installers: never look only at \u20184 MP\u2019 or \u20188 MP\u2019. Sensor, lens, pixel size and image processing must be assessed together.\",imageCaption:\"Light becomes image information.\",\n      s5Kicker:\"Sensor versus megapixels\",s5Title:\"More pixels are not the same as better pixels.\",s5Intro:\"Resolution tells you how many image points are present. The CMOS sensor and the complete imaging chain determine how useful those pixels actually are.\",metric1k:\"Resolution\",metric1h:\"How many pixels?\",metric1p:\"An 8MP camera produces an image made of millions of individual pixels. That is useful for detail, larger scenes and digital zoom. But a high pixel count says nothing about the quality of light each pixel receives.\",metric2h:\"How good is each pixel?\",metric2p:\"Light, sensor area, optics, shutter speed, gain, noise reduction, WDR and compression together determine how useful the final image is. Professional CCTV cameras should never be judged on megapixels alone.\",\n      s6Kicker:\"CMOS in low light\",s6Title:\"In daylight the sensor has enough light. Night is where it gets interesting.\",s6p1:\"When less light is available, the pixels receive less useful light information.\",s6p2:\"The camera can try to brighten the image electronically, but extra gain can also make more noise visible.\",s6p3:\"That is why sensor, lighting, shutter speed and image processing always work together.\",s6p4:\"In modern CCTV cameras, intelligent lighting such as Smart Dual Light also plays an important role.\",dualCta:\"View Smart Dual Light \u2192\",factor1:\"The effective pixel structure influences how much light information can be collected.\",factor2:\"The signal can be amplified, but noise can increase with it.\",factor3:\"Longer exposure collects more light but can blur motion.\",factor4:\"IR or warm white light can give the sensor more usable information.\",\n      s7Title:\"The entire sensor is not always read at exactly the same moment.\",s7p1:\"Many CMOS sensors use what is called a rolling-shutter readout.\",s7p2:\"Image lines are read very quickly one after another instead of reading the entire sensor area at exactly the same time.\",s7p3:\"In normal CCTV footage this does not have to be a visible problem. Fast motion, vibration or certain light sources can however create typical image artefacts.\",s7p4:\"It is one of the reasons why understanding the sensor helps when troubleshooting.\",\n      s8Kicker:\"From theory to camera\",s8Title:\"The CMOS sensor sits behind the glass.\",s8Intro:\"You hardly ever see the sensor during a normal installation. Yet it helps determine what eventually appears on your recorder and monitor.\",s8Caption:'1\/2.7\" CMOS behind the 2.8mm lens.',rule1h:\"CMOS measures light\",rule1p:\"The sensor converts incoming light information into electrical image information.\",rule2h:\"Megapixels are not everything\",rule2p:\"Resolution tells you how many pixels there are, not how useful each pixel is.\",rule3h:\"Light is crucial\",rule3p:\"The less light there is, the harder it becomes for the sensor to collect useful information.\",rule4h:\"The complete chain matters\",rule4p:\"Lens, sensor, processor, lighting, compression and installation all work together.\",\n      s9Kicker:\"Technical knowledge base\",s9Title:\"Now understand the rest of the camera as well.\",s9Intro:\"The CMOS sensor is only one link. Use the following topics to understand the complete camera system technically.\",k1h:\"8MP Dahua image sensor\",k1p:\"See how CMOS is applied in practice inside the 8MP IP camera.\",k1c:\"View 8MP sensor \u2192\",k2h:\"8MP IP Turret camera\",k2p:\"See sensor, lens, AI, lighting and storage as one complete system.\",k2c:\"View camera \u2192\",k3p:\"Understand how the lens determines the image projected onto the sensor.\",k3c:\"View 2.8mm \u2192\",k4p:\"Give the CMOS sensor more useful light information at night.\",k4c:\"View Dual Light \u2192\",k5h:\"AI chip in the camera\",k5p:\"After image capture, intelligent analysis can take place directly inside the camera.\",k5c:\"View AI chip \u2192\",k6p:\"Discover what happens to the video data after the image has been built.\",k6c:\"View video compression \u2192\",k7p:\"Store video data locally in the IP camera.\",k7c:\"View storage \u2192\",k8p:\"Test cameras, settings and image quality yourself in practice.\",k8c:\"Discover Micro-Learning \u2192\",ctaTitle:\"Understanding an image sensor becomes easy when you work with the camera yourself.\",ctaText:\"Change shutter speed, lighting, resolution, bitrate and camera angle and immediately see what the CMOS sensor and image processor make of it.\",cta1:\"Discover CCTV Micro-Learning \u2192\",cta2:\"View CCTV training\"\n    },\n    de:{\n      heroEyebrow:\"CCTV Academy \u00b7 Grundlagen des Bildsensors\",heroTitle:'Eine Kamera schaut nicht.<br><em>Der Sensor misst Licht.<\/em>',heroLead:\"Der CMOS-Bildsensor ist das elektronische Herz des Kamerabildes. Millionen lichtempfindlicher Pixel wandeln Licht in elektrische Informationen um, aus denen die Kamera ein digitales Videobild erzeugt.\",heroCta1:\"So funktioniert CMOS \u2192\",heroCta2:\"8MP-Bildsensor ansehen\",check1:\"Lichtempfindliche Pixel\",check2:\"Digitale Auslesung\",check3:\"Grundlage des CCTV-Bildes\",\n      nav1:\"CMOS erkl\u00e4rt\",nav2:\"Pixel\",nav3:\"Licht \u2192 Bild\",nav4:\"Sensorformat\",nav5:\"Megapixel\",nav6:\"Low-Light\",nav7:\"Rolling Shutter\",nav8:\"Weiterlernen\",\n      s1Kicker:\"CMOS erkl\u00e4rt\",s1Title:\"Complementary Metal-Oxide Semiconductor. Ein komplizierter Name f\u00fcr ein intelligentes Raster.\",s1p1:\"Ein CMOS-Bildsensor besteht aus einem gro\u00dfen Raster lichtempfindlicher Elemente: den Pixeln.\",s1p2:\"Das Objektiv projiziert die Szene auf die Sensorfl\u00e4che. Jeder Pixel misst, wie viel Licht an seiner Position ankommt.\",s1p3:\"Diese Lichtinformation wird in elektrische Signale umgewandelt. Die Kameraelektronik setzt Millionen dieser Messungen zu einem vollst\u00e4ndigen digitalen Bild zusammen.\",s1p4:\"Der CMOS-Sensor macht also nicht w\u00f6rtlich ein \u2018Foto\u2019. Er misst Licht \u2013 Pixel f\u00fcr Pixel.\",\n      s2Kicker:\"Was macht ein einzelner Pixel?\",s2Title:\"Millionen kleiner Lichtmesser erzeugen gemeinsam ein Bild.\",s2Intro:\"Jeder Pixel liefert einen kleinen Teil der Bildinformation. Das fertige Bild ist die Kombination all dieser einzelnen Messungen.\",st1h:\"Licht erreicht den Pixel\",st1p:\"Photonen aus der Szene treffen durch das Objektiv auf die aktive Sensorfl\u00e4che.\",st2h:\"Ladung entsteht\",st2p:\"Die Lichtenergie wird im Pixel in ein elektrisches Signal umgewandelt.\",st3h:\"Der Pixel wird ausgelesen\",st3p:\"Die Elektronik liest den Wert des Pixels aus.\",st4h:\"Der Prozessor baut das Bild\",st4p:\"Alle Pixelinformationen werden kombiniert und zu nutzbarem Video weiterverarbeitet.\",\n      s3Kicker:\"Von der Realit\u00e4t zum Videobild\",s3Title:\"Das Kamerabild entsteht in einer vollst\u00e4ndigen Kette.\",s3Intro:\"Sensor und Objektiv sind entscheidend, doch bevor das Bild auf dem Monitor erscheint, passiert noch deutlich mehr.\",chain1h:\"Licht\",chain1p:\"Die reale Szene reflektiert Licht.\",chain2h:\"Objektiv\",chain2p:\"Die Optik projiziert die Szene auf den Sensor.\",chain3p:\"Pixel wandeln Licht in elektrische Informationen um.\",chain4p:\"Farbe, Kontrast, WDR und Rauschen werden verarbeitet.\",chain5h:\"Video\",chain5p:\"Das Bild wird codiert, gespeichert und angezeigt.\",\n      s4Kicker:\"Sensorformat\",s4Title:\"Nicht nur die Anzahl der Pixel z\u00e4hlt. Auch die Fl\u00e4che z\u00e4hlt.\",s4p1:\"Die physische Gr\u00f6\u00dfe eines Bildsensors beeinflusst, wie die Kamera Licht sammeln kann.\",s4p2:\"Zwei Kameras k\u00f6nnen dieselbe Aufl\u00f6sung besitzen und dennoch unterschiedliche Sensorgr\u00f6\u00dfen verwenden.\",s4p3:\"Werden vergleichbare Aufl\u00f6sungen auf unterschiedliche Sensorfl\u00e4chen verteilt, ver\u00e4ndert sich auch die verf\u00fcgbare Fl\u00e4che pro Pixel.\",s4p4:\"Das kann f\u00fcr Rauschen, Empfindlichkeit und Leistung bei schwierigen Lichtverh\u00e4ltnissen relevant sein.\",s4Note:\"Wichtig f\u00fcr Installateure: Niemals nur auf \u20184 MP\u2019 oder \u20188 MP\u2019 schauen. Sensor, Objektiv, Pixelgr\u00f6\u00dfe und Bildverarbeitung m\u00fcssen gemeinsam beurteilt werden.\",imageCaption:\"Licht wird zu Bildinformation.\",\n      s5Kicker:\"Sensor versus Megapixel\",s5Title:\"Mehr Pixel sind nicht automatisch bessere Pixel.\",s5Intro:\"Die Aufl\u00f6sung beschreibt die Anzahl der Bildpunkte. Der CMOS-Sensor und die gesamte Bildkette bestimmen, wie brauchbar diese Pixel tats\u00e4chlich sind.\",metric1k:\"Aufl\u00f6sung\",metric1h:\"Wie viele Pixel?\",metric1p:\"Eine 8MP-Kamera erzeugt ein Bild aus Millionen einzelner Pixel. Das ist interessant f\u00fcr Details, gr\u00f6\u00dfere Szenen und digitalen Zoom. Viele Pixel sagen jedoch noch nichts \u00fcber die Qualit\u00e4t des Lichts aus, das sie empfangen.\",metric2h:\"Wie gut ist jeder Pixel?\",metric2p:\"Licht, Sensorfl\u00e4che, Optik, Verschlusszeit, Verst\u00e4rkung, Rauschunterdr\u00fcckung, WDR und Kompression bestimmen gemeinsam, wie brauchbar das Endbild ist. Professionelle CCTV-Kameras werden deshalb nie nur nach Megapixeln beurteilt.\",\n      s6Kicker:\"CMOS bei wenig Licht\",s6Title:\"Am Tag hat der Sensor genug Licht. Nachts wird es interessant.\",s6p1:\"Wenn weniger Licht verf\u00fcgbar ist, erhalten die Pixel weniger nutzbare Lichtinformation.\",s6p2:\"Die Kamera kann versuchen, das Bild elektronisch aufzuhellen. Zus\u00e4tzliche Verst\u00e4rkung kann jedoch auch mehr Rauschen sichtbar machen.\",s6p3:\"Darum arbeiten Sensor, Beleuchtung, Verschlusszeit und Bildverarbeitung immer zusammen.\",s6p4:\"Bei modernen CCTV-Kameras spielt auch intelligente Beleuchtung wie Smart Dual Light eine wichtige Rolle.\",dualCta:\"Smart Dual Light ansehen \u2192\",factor1:\"Die effektive Pixelstruktur beeinflusst, wie viel Lichtinformation gesammelt werden kann.\",factor2:\"Das Signal kann verst\u00e4rkt werden, dabei kann jedoch auch das Rauschen zunehmen.\",factor3:\"Eine l\u00e4ngere Belichtung sammelt mehr Licht, kann Bewegungen aber verwischen.\",factor4:\"IR- oder warmwei\u00dfes Licht kann dem Sensor mehr nutzbare Informationen liefern.\",\n      s7Title:\"Die gesamte Sensorfl\u00e4che wird nicht immer exakt gleichzeitig ausgelesen.\",s7p1:\"Viele CMOS-Sensoren verwenden eine sogenannte Rolling-Shutter-Auslesung.\",s7p2:\"Dabei werden die Bildzeilen sehr schnell nacheinander ausgelesen, anstatt die gesamte Sensorfl\u00e4che exakt gleichzeitig zu erfassen.\",s7p3:\"Bei normalen CCTV-Bildern muss das kein sichtbares Problem sein. Schnelle Bewegungen, Vibrationen oder bestimmte Lichtquellen k\u00f6nnen jedoch typische Bildartefakte verursachen.\",s7p4:\"Das ist einer der Gr\u00fcnde, warum das Verst\u00e4ndnis des Sensors bei der Fehlersuche hilfreich ist.\",\n      s8Kicker:\"Von der Theorie zur Kamera\",s8Title:\"Der CMOS-Sensor sitzt hinter dem Glas.\",s8Intro:\"Bei einer normalen Installation sieht man den Sensor kaum. Trotzdem bestimmt er mit, was sp\u00e4ter auf Recorder und Monitor zu sehen ist.\",s8Caption:'1\/2,7\" CMOS hinter dem 2.8-mm-Objektiv.',rule1h:\"CMOS misst Licht\",rule1p:\"Der Sensor wandelt einfallende Lichtinformationen in elektrische Bildinformationen um.\",rule2h:\"Megapixel sind nicht alles\",rule2p:\"Die Aufl\u00f6sung sagt, wie viele Pixel vorhanden sind \u2013 nicht, wie brauchbar jeder einzelne ist.\",rule3h:\"Licht ist entscheidend\",rule3p:\"Je weniger Licht vorhanden ist, desto schwieriger wird es f\u00fcr den Sensor, nutzbare Informationen zu sammeln.\",rule4h:\"Die gesamte Kette z\u00e4hlt\",rule4p:\"Objektiv, Sensor, Prozessor, Beleuchtung, Kompression und Installation geh\u00f6ren zusammen.\",\n      s9Kicker:\"Technische Wissensbasis\",s9Title:\"Verstehe jetzt auch den Rest der Kamera.\",s9Intro:\"Der CMOS-Sensor ist nur ein Glied der Kette. Nutze die folgenden Themen, um das gesamte Kamerasystem technisch zu verstehen.\",k1h:\"8MP-Dahua-Bildsensor\",k1p:\"Sieh, wie CMOS konkret in der 8MP-IP-Kamera eingesetzt wird.\",k1c:\"8MP-Sensor ansehen \u2192\",k2h:\"8MP IP-Turret-Kamera\",k2p:\"Betrachte Sensor, Objektiv, KI, Beleuchtung und Speicher als Gesamtsystem.\",k2c:\"Kamera ansehen \u2192\",k3p:\"Verstehe, wie das Objektiv bestimmt, welches Bild auf den Sensor f\u00e4llt.\",k3c:\"2.8 mm ansehen \u2192\",k4p:\"Gib dem CMOS-Sensor nachts mehr nutzbare Lichtinformation.\",k4c:\"Dual Light ansehen \u2192\",k5h:\"KI-Chip in der Kamera\",k5p:\"Nach der Bilderfassung kann die intelligente Analyse direkt in der Kamera stattfinden.\",k5c:\"KI-Chip ansehen \u2192\",k6p:\"Entdecke, was mit den Videodaten geschieht, nachdem das Bild aufgebaut wurde.\",k6c:\"Videokompression ansehen \u2192\",k7p:\"Speichere Videodaten lokal in der IP-Kamera.\",k7c:\"Speicher ansehen \u2192\",k8p:\"Teste Kameras, Einstellungen und Bildqualit\u00e4t selbst in der Praxis.\",k8c:\"Micro-Learning entdecken \u2192\",ctaTitle:\"Ein Bildsensor wird einfach verst\u00e4ndlich, wenn du selbst an der Kamera arbeitest.\",ctaText:\"\u00c4ndere Verschlusszeit, Beleuchtung, Aufl\u00f6sung, Bitrate und Kamerawinkel und beobachte direkt, was CMOS-Sensor und Bildprozessor daraus machen.\",cta1:\"CCTV Micro-Learning entdecken \u2192\",cta2:\"CCTV-Schulungen ansehen\"\n    }\n  };\n\n  function detectedLang(){\n    var p=new URLSearchParams(window.location.search).get(\"lang\");\n    if(copy[p]){return p;}\n    var m=window.location.pathname.match(\/^\\\/(nl|fr|en|de)(?:\\\/|$)\/i);\n    return m&&copy[m[1].toLowerCase()]?m[1].toLowerCase():\"nl\";\n  }\n\n  var current=detectedLang();\n\n  function localizeLinks(){\n    root.querySelectorAll(\"a.localized-link\").forEach(function(a){\n      var original=a.getAttribute(\"data-original-href\")||a.getAttribute(\"href\");\n      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