{"id":1046,"date":"2015-07-30T04:17:02","date_gmt":"2015-07-30T02:17:02","guid":{"rendered":"http:\/\/www.ass-security.fr\/blog\/?p=1046"},"modified":"2022-12-30T08:48:00","modified_gmt":"2022-12-30T07:48:00","slug":"cameras-de-surveillance-4k-ultra-hd","status":"publish","type":"post","link":"https:\/\/www.ass-security.fr\/blog\/cameras-de-surveillance-4k-ultra-hd\/","title":{"rendered":"Dossier : D\u00e9couverte des cam\u00e9ras de vid\u00e9osurveillance Ultra HD et comparaison de la technologie d&rsquo;avenir 4K d\u00e9di\u00e9e \u00e0 la vid\u00e9osurveillance"},"content":{"rendered":"\n<p>Si l&rsquo;une des plus grandes avanc\u00e9es technologiques de ces 10 derni\u00e8res ann\u00e9es devait \u00eatre retenue en mati\u00e8re de vid\u00e9osurveillance, nul doute \u00e0 avoir, il s&rsquo;agirait de la transition <strong><a href=\"https:\/\/www.ass-security.fr\/blog\/dossier-cameras-ip-ou-analogique-qualite-contre-prix\/\">analogique<\/a><\/strong> au tout IP dans le domaine des cam\u00e9ras de surveillance. Cette technologie fraichement utilis\u00e9e par les installateurs de mat\u00e9riel de s\u00fbret\u00e9 permet de profiter pleinement de la haute &amp; tr\u00e8s haute d\u00e9finition. Des d\u00e9finitions de plusieurs millions de pixels, permettant d&rsquo;afficher une image d&rsquo;une grande fid\u00e9lit\u00e9 exploitable de jour comme de nuit l\u00e0 ou la vid\u00e9osurveillance analogique accusait de nombreuses lacunes&#8230; Quelle autre technologie peut encore r\u00e9ussir \u00e0 chambouler la haute d\u00e9finition ? La technologie 4K tout simplement, qui avec une r\u00e9solution de l\u2019ordre de 4096 x 2160 pixels offre des performances 4 fois sup\u00e9rieures aux classiques cam\u00e9ras HD\/Full HD. La 4K tends \u00e0 se g\u00e9n\u00e9raliser et deviendra \u00e0 terme, le standard de la vid\u00e9osurveillance. Id\u00e9alement d\u00e9ploy\u00e9e pour la surveillance de grandes \u00e9tendues ou pour assurer une identification pr\u00e9cise d\u2019un individu r\u00e9pondant \u00e0 des applications sp\u00e9cifiques, cette technologie risque \u00e0 l\u2019avenir d\u2019\u00eatre \u00e9paul\u00e9e par l\u2019intelligence artificielle qui devrait s\u2019implanter peu \u00e0 peu dans le domaine de la vid\u00e9osurveillance. Des technologies d\u2019avenir qui devrait offrir un panel d\u2019applications jusque-l\u00e0, encore inconnu \u00e0 ce jour\u2026<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L&rsquo;Ultra HD 4K r\u00e9volutionne la tr\u00e8s haute d\u00e9finition : Des d\u00e9finitions allant jusqu&rsquo;\u00e0 8 millions de pixels en 16:9<\/h2>\n\n\n\n<p>Si vous pensiez que l&rsquo;arriv\u00e9e de la haute d\u00e9finition dans le domaine de la <a href=\"https:\/\/www.ass-security.fr\/videosurveillance-camera\/\"><strong>vid\u00e9oprotection<\/strong> <\/a>\u00e9tait la r\u00e9volution majeure de c&rsquo;est derni\u00e8res ann\u00e9es, il faut se pr\u00e9parer \u00e0 voir une nouveaut\u00e9 qui risque d\u2019enterrer voir de \u00ab&nbsp;ringardiser&nbsp;\u00bb les traditionnelles cam\u00e9ras HD. Appeler Ultra HD,&nbsp; ou plut\u00f4t UHD 4K, les cam\u00e9ras Ultra HD ne sont que peut d\u00e9mocratiser, mais d\u00e9j\u00e0, plusieurs fabricants en d\u00e9notent \u00e0 leur catalogue. Sony avec sa <strong>SNC-VM772R<\/strong> emboite le pas en proposant un d\u00f4me ayant une d\u00e9finition 4 fois sup\u00e9rieur \u00e0 son homologue HD, tout en poss\u00e9dant des dimensions miniaturis\u00e9es. Les images sont tout bonnement exceptionnelles, avec une qualit\u00e9 d&rsquo;image tr\u00e8s fine rendant l\u2019exp\u00e9rience assez d\u00e9routante&#8230; La marque Axis et sa tr\u00e8s compacte&nbsp; <em>P1428-E<\/em> \u00e0 tout pour s\u00e9duire les petites structures cherchant une qualit\u00e9 d&rsquo;image sans faille. <\/p>\n\n\n\n<p>Dot\u00e9e d&rsquo;une r\u00e9solution de 8.3 millions de pixels,&nbsp; la cam\u00e9ra <strong>Axis P1428-E<\/strong> coupl\u00e9e \u00e0 sa fonction d&rsquo;auto-tracking num\u00e9rique permet de suivre avec pr\u00e9cision une cible&#8230; <a href=\"https:\/\/www.ass-security.fr\/blog\/news-camera-ip-panasonic-ipro-serie-6\/\"><strong>Panasonic<\/strong><\/a> souligne qu&rsquo;un des avantages de la 4K est la r\u00e9duction drastique des co\u00fbts. En effet, si les cam\u00e9ras 4K permettent une r\u00e9duction massive des co\u00fbts, c&rsquo;est gr\u00e2ce en partie \u00e0 la qualit\u00e9 d&rsquo;image per\u00e7ue, mais \u00e9galement la plus grande couverture propos\u00e9e. Ainsi, une seule cam\u00e9ra remplace all\u00e8grement 4 cam\u00e9ras de surveillance traditionnelles HD. Avec des d\u00e9finitions de l&rsquo;ordre de 8 m\u00e9gapixels soit (<strong>3840 x 2160 pixels<\/strong>) en 16:9, et 30 IPS, les cam\u00e9ras 4K offrent un rendu visuel nettement sup\u00e9rieur aux cam\u00e9ras HD conventionnelle. Proposant une qualit\u00e9 d&rsquo;image 24 fois sup\u00e9rieure \u00e0 de la vid\u00e9osurveillance analogique, cette derni\u00e8re, hors concours en devient presque ridicule&#8230; Dans un article pr\u00e9c\u00e9dent, nous soulignons la triste fin de vie des <strong><a href=\"https:\/\/www.ass-security.fr\/blog\/dossier-cameras-ip-ou-analogique-qualite-contre-prix\/\">cam\u00e9ras analogique<\/a><\/strong>&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/comparaison-hd-4k.png\"><img decoding=\"async\" width=\"940\" height=\"343\" data-src=\"https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/comparaison-hd-4k.png\" alt=\"comparaison-hd-4k\" class=\"wp-image-1058 lazyload\" data-srcset=\"https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/comparaison-hd-4k.png 940w, https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/comparaison-hd-4k-500x182.png 500w, https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/comparaison-hd-4k-768x280.png 768w, https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/comparaison-hd-4k-860x314.png 860w\" data-sizes=\"auto, (max-width: 940px) 100vw, 940px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 940px; --smush-placeholder-aspect-ratio: 940\/343;\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Est-il pour autant judicieux de migrer vers une solution de cam\u00e9ra de vid\u00e9osurveillance en 4K Ultra HD ?<\/h2>\n\n\n\n<p>La question est plut\u00f4t de savoir s&rsquo;il est justifi\u00e9 d&rsquo;investir pour migrer un parc de vid\u00e9osurveillance d\u00e9j\u00e0 existant compos\u00e9 de cam\u00e9ras IP HD\/Full HD vers une solution 4K HD Ultra ? En effet, compte tenu des performances, l&rsquo;investissement est int\u00e9ressant selon vos attentes. En renouvellement d&rsquo;un parc analogique vieillissant, le choix de la 4K se montre \u00eatre opportun. Un choix mature qui anticipe l&rsquo;avenir, mais face \u00e0 une installation existentielle en IP, le jeu n&rsquo;en vaut peut-\u00eatre pas la chandelle&#8230; Id\u00e9al pour la<a href=\"https:\/\/www.ass-security.fr\/cameras-videosurveillance-urbaine\/\"><strong> surveillance urbaine<\/strong><\/a>, la s\u00e9curit\u00e9 des magasins, le contr\u00f4le du trafic routier, ferroviaire, la s\u00e9curit\u00e9 a\u00e9roportuaire, les banques, bijouteries, bars-tabacs ou tout autre environnement critique n\u00e9cessitant un (tr\u00e8s) haut niveau de d\u00e9tail, la vid\u00e9osurveillance 4K permet l&rsquo;identification des visages, la lecture pr\u00e9cise des plaques min\u00e9ralogiques. <\/p>\n\n\n\n<p>Le passage \u00e0 la HD Ultra sera un investissement qui se justifiera sur cahier des charges en ciblant pr\u00e9cis\u00e9ment les attentes. La <strong><a href=\"https:\/\/www.ass-security.fr\/videosurveillance-camera\/\">vid\u00e9osurveillance sur IP<\/a><\/strong> ayant \u00e9t\u00e9 une rupture face \u00e0 de l&rsquo;analogique, le surco\u00fbt de la technologie 4K ne se justifie pas dans certaines installations ou la HD\/Full HD remplira avec perfection son job. En plus du co\u00fbt des cam\u00e9ras en elles-m\u00eames, le moniteur vid\u00e9o doit \u00e9galement \u00eatre compatible 4K et la <strong><a href=\"https:\/\/www.ass-security.fr\/blog\/disque-dur-seagate-hdd-8to-videosurveillance\/\">capacit\u00e9 d&rsquo;enregistrement<\/a><\/strong> doit \u00eatre revue \u00e0 la hausse. Heureusement, certains codecs d&rsquo;avenirs comme le <a href=\"https:\/\/www.ass-security.fr\/blog\/dossier-choisir-camera-videosurveillance-ip\/\"><strong>H.265<\/strong><\/a> permettent de soulager la bande passante d&rsquo;environ 70%. Comme bon nombre de technologie r\u00e9cente, la 4K est peu abordable et m\u00e9rite qu&rsquo;on attende que le march\u00e9 murisse quelque peu avant de se prononcer. Dans le cas sp\u00e9cifique d&rsquo;un d\u00e9ploiement pour une surveillance de type grande surface, a\u00e9roportuaire, domaine bancaire ou en industrie, la 4K a certes, de nombreux atouts. En effet, la r\u00e9duction du nombre de cam\u00e9ras n\u00e9cessaire, la possibilit\u00e9 d&rsquo;avoir une identification tr\u00e8s pr\u00e9cise et surtout le nombre d&rsquo;images par seconde feront tr\u00e8s vite pencher la balance en faveur du 4K&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/4k-comparatif-resolutions.png\"><img decoding=\"async\" width=\"960\" height=\"540\" data-src=\"https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/4k-comparatif-resolutions.png\" alt=\"4k-comparatif-resolutions\" class=\"wp-image-1067 lazyload\" data-srcset=\"https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/4k-comparatif-resolutions.png 960w, https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/4k-comparatif-resolutions-500x281.png 500w, https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/4k-comparatif-resolutions-768x432.png 768w, https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/4k-comparatif-resolutions-860x484.png 860w\" data-sizes=\"auto, (max-width: 960px) 100vw, 960px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 960px; --smush-placeholder-aspect-ratio: 960\/540;\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Avec un taux de 30 IPS, la vid\u00e9osurveillance \u00e0 base de cam\u00e9ra 4K est assur\u00e9ment l&rsquo;avenir de la surveillance d\u00e9taill\u00e9e<\/h2>\n\n\n\n<p>Un des plus grands avantages de la technologie 4K dans le domaine de la <strong><a href=\"https:\/\/www.ass-security.fr\/cameras-videosurveillance-urbaine\/\">vid\u00e9oprotection<\/a><\/strong> est indiscutablement son taux de rafra\u00eechissement. Avec 30 IPS les cam\u00e9ras Ultra HD surclassent la haute d\u00e9finition. Le nombre d&rsquo;images par seconde est une qualit\u00e9 essentielle pour proc\u00e9der \u00e0 une reconnaissance pr\u00e9cise d&rsquo;une cible. Avec un taux d&rsquo;images par seconde faible, la fluidit\u00e9 des images en p\u00e2tit et emp\u00eache tout bonnement d&rsquo;avoir une preuve juridique recevable. <\/p>\n\n\n\n<p>Plus le taux de rafra\u00eechissement est faible, moins de chance d&rsquo;avoir une vid\u00e9o exploitable d&rsquo;une cible. Les cam\u00e9ras 4K permettent de capturer une s\u00e9quence d&rsquo;image tr\u00e8s fluide, et d&rsquo;apporter, une preuve indiscutable aupr\u00e8s des autorit\u00e9s. Le traitement des images tel que le zoom sur relecture permet d&rsquo;afficher un niveau de d\u00e9tail tr\u00e8s fin. Un zoom X2 sur une image en 4K offrira une r\u00e9solution de 2MP. En comparaison \u00e0 une cam\u00e9ra en haute d\u00e9finition (HD &#8211; 2 millions de pixels), nous aurions obtenu une image apr\u00e8s zoom de 1 million de pixel qui devient tout juste exploitable selon les conditions&#8230;<\/p>\n\n\n<style type=\"text\/css\">#go-pricing-table-3706 .gw-go { margin-left:-5px; } #go-pricing-table-3706 .gw-go-col { margin-left:5px; } #go-pricing-table-3706 .gw-go-col-wrap { min-width:130px; } #go-pricing-table-3706 .gw-go-col-inner { border-radius:0 0 0 0; } #go-pricing-table-3706 .gw-go-col-inner { border:none; } #go-pricing-table-3706 .gw-go-col-wrap { margin-left:0; } #go-pricing-table-3706 .gw-go-tooltip-content { background-color:#9d9d9d;color:#333333; } #go-pricing-table-3706 .gw-go-tooltip:before { border-top-color:#9d9d9d; } #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-header, #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-footer-row .gw-go-btn { background-color:#b06689; } #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-coinf div, #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-coinb div { color:#b06689; } #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-body li[data-row-index=\"0\"] { font-size:14px !important; line-height:16px !important; font-weight:bold !important; } #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-body li[data-row-index=\"1\"] { font-size:12px !important; line-height:16px !important; font-weight:bold !important; } #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-body li[data-row-index=\"2\"] { font-size:12px !important; line-height:16px !important; font-weight:bold !important; } #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-body li[data-row-index=\"3\"] { font-size:12px !important; line-height:16px !important; font-weight:bold !important; } #go-pricing-table-3706 .gw-go-col-wrap-0 .gw-go-body li[data-row-index=\"4\"] { font-size:12px !important; line-height:16px !important; font-weight:bold !important; } #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-header, #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-footer-row .gw-go-btn { background-color:#b06689; } #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-coinf div, #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-coinb div { color:#b06689; } #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-body li[data-row-index=\"0\"] { font-size:14px !important; line-height:16px !important; font-weight:bold !important; } #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-body li[data-row-index=\"1\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-body li[data-row-index=\"2\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-body li[data-row-index=\"3\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go-col-wrap-1 .gw-go-body li[data-row-index=\"4\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-header, #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-footer-row .gw-go-btn { background-color:#b06689; } #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-coinf div, #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-coinb div { color:#b06689; } #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-body li[data-row-index=\"0\"] { font-size:14px !important; line-height:16px !important; font-weight:bold !important; } #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-body li[data-row-index=\"1\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-body li[data-row-index=\"2\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-body li[data-row-index=\"3\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go-col-wrap-2 .gw-go-body li[data-row-index=\"4\"] { font-size:12px !important; line-height:16px !important; } #go-pricing-table-3706 .gw-go { visibility:inherit; }<\/style><style>@media only screen and (min-width: 480px) and (max-width: 767px) { #go-pricing-table-3706 .gw-go-col-wrap { width:50%; } }<\/style><style>@media only screen and (min-width: 480px) and (max-width: 767px) { .gw-go-tooltip { left:50% !important; right:auto !important; transform: translateX(-50%) !important; margin-left:0!important; } .gw-go-tooltip-content:before { right:auto !important; left:50% !important; margin-left:-6px !important; } }<\/style><style>@media only screen and (max-width: 479px) { #go-pricing-table-3706 .gw-go-col-wrap { width:100%; } }<\/style><style>@media only screen and (max-width: 479px) { .gw-go-tooltip { left:50% !important; right:auto !important; transform: translateX(-50%) !important; margin-left:0!important; } .gw-go-tooltip-content:before { right:auto !important; left:50% !important; margin-left:-6px !important; } }<\/style><div id=\"go-pricing-table-3706\" class=\"go-pricing\" style=\"margin-bottom:20px;\"><div class=\"gw-go gw-go-clearfix gw-go-enlarge-current gw-go-3cols\" data-id=\"3706\" data-colnum=\"3\" data-equalize=\"{&quot;column&quot;:1,&quot;body&quot;:1,&quot;footer&quot;:1}\" data-views=\"{&quot;tp&quot;:{&quot;min&quot;:&quot;768&quot;,&quot;max&quot;:&quot;959&quot;,&quot;cols&quot;:&quot;&quot;},&quot;ml&quot;:{&quot;min&quot;:&quot;480&quot;,&quot;max&quot;:&quot;767&quot;,&quot;cols&quot;:&quot;2&quot;},&quot;mp&quot;:{&quot;min&quot;:&quot;&quot;,&quot;max&quot;:&quot;479&quot;,&quot;cols&quot;:&quot;1&quot;}}\"><div class=\"gw-go-col-wrap gw-go-col-wrap-0\" data-col-index=\"0\"><div class=\"gw-go-col gw-go-clean-style2 gw-go-shadow3\"><div class=\"gw-go-col-inner\"><div class=\"gw-go-col-inner-layer\"><\/div><div class=\"gw-go-col-inner-layer-over\"><\/div><div class=\"gw-go-header\"><\/div><ul class=\"gw-go-body\"><li data-row-index=\"0\"><div class=\"gw-go-body-cell\">Crit\u00e8res de s\u00e9lection<\/div><\/li><li class=\"gw-go-even\" data-row-index=\"1\"><div class=\"gw-go-body-cell\">Standard HD<\/div><\/li><li data-row-index=\"2\"><div class=\"gw-go-body-cell\">Standard Full HD<\/div><\/li><li class=\"gw-go-even\" data-row-index=\"3\"><div class=\"gw-go-body-cell\">Standard Ultra HD 4K<\/div><\/li><li data-row-index=\"4\"><div class=\"gw-go-body-cell\">Standard Ultra HD 8K<\/div><\/li><\/ul><\/div><\/div><\/div><div class=\"gw-go-col-wrap gw-go-col-wrap-1\" data-col-index=\"1\"><div class=\"gw-go-col gw-go-clean-style2 gw-go-shadow3\"><div class=\"gw-go-col-inner\"><div class=\"gw-go-col-inner-layer\"><\/div><div class=\"gw-go-col-inner-layer-over\"><\/div><div class=\"gw-go-header\"><\/div><ul class=\"gw-go-body\"><li data-row-index=\"0\"><div class=\"gw-go-body-cell\">D\u00e9finition<\/div><\/li><li class=\"gw-go-even\" data-row-index=\"1\"><div class=\"gw-go-body-cell\">1280 x 720 pixels<\/div><\/li><li data-row-index=\"2\"><div class=\"gw-go-body-cell\">1920 x 1080 pixels<\/div><\/li><li class=\"gw-go-even\" data-row-index=\"3\"><div class=\"gw-go-body-cell\">3840 x 2160 pixels<\/div><\/li><li data-row-index=\"4\"><div class=\"gw-go-body-cell\">7680 x 4320 pixels<\/div><\/li><\/ul><\/div><\/div><\/div><div class=\"gw-go-col-wrap gw-go-col-wrap-2\" data-col-index=\"2\"><div class=\"gw-go-col gw-go-clean-style2 gw-go-shadow3\"><div class=\"gw-go-col-inner\"><div class=\"gw-go-col-inner-layer\"><\/div><div class=\"gw-go-col-inner-layer-over\"><\/div><div class=\"gw-go-header\"><\/div><ul class=\"gw-go-body\"><li data-row-index=\"0\"><div class=\"gw-go-body-cell\">Nombre de pixels<\/div><\/li><li class=\"gw-go-even\" data-row-index=\"1\"><div class=\"gw-go-body-cell\">HD - 1 M de pixels<\/div><\/li><li data-row-index=\"2\"><div class=\"gw-go-body-cell\">FULL-HD - 2 M de pixels<\/div><\/li><li class=\"gw-go-even\" data-row-index=\"3\"><div class=\"gw-go-body-cell\">UHD-4K - 8 M de pixels<\/div><\/li><li data-row-index=\"4\"><div class=\"gw-go-body-cell\">UHD-8K - 33 M de pixels<\/div><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion : Faut-il passer \u00e0 la technologie de vid\u00e9osurveillance 4K ? Oui, mais patientons quelque peu &#8230;<\/h2>\n\n\n\n<p>La majorit\u00e9 des cam\u00e9ras HD &amp; Full HD offre pour la plupart un format d&rsquo;image fixe 4:3. Les solutions de vid\u00e9osurveillance 4K apportent nativement le 16:9 r\u00e9sultant d&rsquo;une couverture plus large. Des images plus facilement exploitables pour l&rsquo;op\u00e9rateur final, le confort d&rsquo;un op\u00e9rateur peut donc faire partie des crit\u00e8res dans le d\u00e9ploiement d&rsquo;une solution 4K. Concernant le rendu final en termes de fid\u00e9lit\u00e9 des couleurs, la 4K surclasse de mani\u00e8re drastique les cam\u00e9ras HD &amp; Full HD. La fid\u00e9lit\u00e9 des couleurs est nettement plus respect\u00e9e, et la pr\u00e9cision particuli\u00e8rement pertinente. Il est int\u00e9ressant de constater que les diff\u00e9rences ne sont pas que th\u00e9oriques, mais belles et bien r\u00e9elles. <\/p>\n\n\n\n<p>La 4K poss\u00e8de beaucoup d&rsquo;avantages et semble certainement \u00eatre l&rsquo;avenir de la vid\u00e9osurveillance. La vid\u00e9osurveillance 4K sera pl\u00e9biscit\u00e9e dans le cas d&rsquo;exigences sp\u00e9cifiques sur le niveau de d\u00e9tails souhait\u00e9s. Pour des surveillances orient\u00e9es sur la <a href=\"https:\/\/www.ass-security.fr\/videosurveillance-camera\/\"><strong>protection des b\u00e2timents<\/strong><\/a>, la surveillance HD &amp; Full HD sera amplement suffisante. Le co\u00fbt du Terra-octet baissant constamment, et permettra \u00e0 l&rsquo;avenir, de nourrir ce type de cam\u00e9ras toujours plus gourmandes en mati\u00e8re de stockage&#8230; La bande passante elle aussi sera plus que sollicit\u00e9e, avec un int\u00e9r\u00eat non des moindres pour une g\u00e9n\u00e9ralisation de la fibre optique sur notre hexagone ! La 4K n&rsquo;en est qu&rsquo;\u00e0 ses d\u00e9buts et nous promet d\u00e9j\u00e0 une nouvelle \u00e8re post-moderne pour la vid\u00e9osurveillance. Pendant pr\u00e8s de 20 ans, la vid\u00e9osurveillance n&rsquo;aura <a href=\"https:\/\/www.ass-security.fr\/blog\/histoire-des-systemes-dalarme\/\"><strong>guerre \u00e9volu\u00e9e<\/strong><\/a>, il aura fallu attendre le d\u00e9but des ann\u00e9es 2000 pour que commence \u00e0 se g\u00e9n\u00e9raliser les cam\u00e9ras r\u00e9seau et ainsi, lancer la course effr\u00e9n\u00e9e au m\u00e9gapixel&#8230;&nbsp; La 8K en vid\u00e9osurveillance ? C&rsquo;est d\u00e9j\u00e0 en projet&#8230; La 8K devrait voir le jour dans le domaine de la vid\u00e9osurveillance tr\u00e8s prochainement !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si l&rsquo;une des plus grandes avanc\u00e9es technologiques de ces 10 derni\u00e8res ann\u00e9es devait \u00eatre retenue en mati\u00e8re de vid\u00e9osurveillance, nul doute \u00e0 avoir, il s&rsquo;agirait de la transition analogique au tout IP dans le domaine des cam\u00e9ras de surveillance. Cette technologie fraichement utilis\u00e9e par les installateurs de mat\u00e9riel de s\u00fbret\u00e9 permet de profiter pleinement de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1051,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,169],"tags":[132,27,97,133,36,45,134,136,8],"class_list":{"0":"post-1046","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-dossier","8":"category-innovation","9":"tag-4k","10":"tag-analogique","11":"tag-axis","12":"tag-full-hd","13":"tag-hd","14":"tag-panasonic","15":"tag-sony","16":"tag-ultra-hd","17":"tag-videosurveillance"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dossier : D\u00e9couverte des cam\u00e9ras de vid\u00e9osurveillance Ultra HD et comparaison de la technologie d&#039;avenir 4K d\u00e9di\u00e9e \u00e0 la vid\u00e9osurveillance - ASS Security Blog : Dossiers \/ Tests \/ News sur les alarmes et les syst\u00e8mes de s\u00e9curit\u00e9<\/title>\n<meta name=\"description\" content=\"Dossier : D\u00e9couvrir les cam\u00e9ras de vid\u00e9osurveillance 4K - Cam\u00e9ra IP Ultra HD. La r\u00e9volution des cam\u00e9ras 4K pr\u00eate \u00e0 enterrer la vid\u00e9osurveillance HD &amp; FULL HD | Blog ASS Security | Installateur Alarme Nantes - Loire-Atlantique 44\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ass-security.fr\/blog\/cameras-de-surveillance-4k-ultra-hd\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dossier : D\u00e9couverte des cam\u00e9ras de vid\u00e9osurveillance Ultra HD et comparaison de la technologie d&#039;avenir 4K d\u00e9di\u00e9e \u00e0 la vid\u00e9osurveillance - ASS Security Blog : Dossiers \/ Tests \/ News sur les alarmes et les syst\u00e8mes de s\u00e9curit\u00e9\" \/>\n<meta property=\"og:description\" content=\"Dossier : D\u00e9couvrir les cam\u00e9ras de vid\u00e9osurveillance 4K - Cam\u00e9ra IP Ultra HD. La r\u00e9volution des cam\u00e9ras 4K pr\u00eate \u00e0 enterrer la vid\u00e9osurveillance HD &amp; FULL HD | Blog ASS Security | Installateur Alarme Nantes - Loire-Atlantique 44\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ass-security.fr\/blog\/cameras-de-surveillance-4k-ultra-hd\/\" \/>\n<meta property=\"og:site_name\" content=\"ASS Security Blog : Dossiers \/ Tests \/ News sur les alarmes et les syst\u00e8mes de s\u00e9curit\u00e9\" \/>\n<meta property=\"article:published_time\" content=\"2015-07-30T02:17:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-30T07:48:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ass-security.fr\/blog\/wp-content\/uploads\/2015\/07\/4K-Ultra-HD_logo_Full-Color1-e1513479498425.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1007\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Axel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Axel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/\"},\"author\":{\"name\":\"Axel\",\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/#\\\/schema\\\/person\\\/846856e1470e7e879fcbff088c2dd2c0\"},\"headline\":\"Dossier : D\u00e9couverte des cam\u00e9ras de vid\u00e9osurveillance Ultra HD et comparaison de la technologie d&rsquo;avenir 4K d\u00e9di\u00e9e \u00e0 la vid\u00e9osurveillance\",\"datePublished\":\"2015-07-30T02:17:02+00:00\",\"dateModified\":\"2022-12-30T07:48:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/\"},\"wordCount\":1510,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/wp-content\\\/uploads\\\/2015\\\/07\\\/4K-Ultra-HD_logo_Full-Color1-e1513479498425.png\",\"keywords\":[\"4K\",\"Analogique\",\"Axis\",\"Full HD\",\"HD\",\"Panasonic\",\"Sony\",\"Ultra HD\",\"Vid\u00e9osurveillance\"],\"articleSection\":[\"Dossiers\",\"Innovation\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/\",\"url\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/\",\"name\":\"Dossier : D\u00e9couverte des cam\u00e9ras de vid\u00e9osurveillance Ultra HD et comparaison de la technologie d'avenir 4K d\u00e9di\u00e9e \u00e0 la vid\u00e9osurveillance - ASS Security Blog : Dossiers \\\/ Tests \\\/ News sur les alarmes et les syst\u00e8mes de s\u00e9curit\u00e9\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/cameras-de-surveillance-4k-ultra-hd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/wp-content\\\/uploads\\\/2015\\\/07\\\/4K-Ultra-HD_logo_Full-Color1-e1513479498425.png\",\"datePublished\":\"2015-07-30T02:17:02+00:00\",\"dateModified\":\"2022-12-30T07:48:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.ass-security.fr\\\/blog\\\/#\\\/schema\\\/person\\\/846856e1470e7e879fcbff088c2dd2c0\"},\"description\":\"Dossier : D\u00e9couvrir les cam\u00e9ras de vid\u00e9osurveillance 4K - Cam\u00e9ra IP Ultra HD. 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