Dans aucun domaine, la pr\u00e9cision de l’image n’est aussi importante que dans l’environnement m\u00e9dical. Que ce soit en radiologie, en chirurgie, en cardiologie ou en orthop\u00e9die. Pour cela, il faut des moniteurs de qualit\u00e9 et performants, capables d’afficher les niveaux de gris et les couleurs de mani\u00e8re r\u00e9aliste et reproductible. \u00ab\u00a0Les contr\u00f4leurs d’affichage sp\u00e9cialement d\u00e9velopp\u00e9s par Rein Medical avec une LookUpTable 3D ne disposent pas seulement – comme la plupart des appareils concurrents – de pr\u00e9r\u00e9glages correspondants, mais ils sont \u00e9galement calibr\u00e9s individuellement en usine en fonction des sp\u00e9cifications des normes. Chaque appareil est calibr\u00e9 individuellement afin de r\u00e9duire les variations des couleurs et des niveaux de gris affichables, dues \u00e0 la fabrication et aux composants, \u00e0 un minimum (delta E) impossible \u00e0 atteindre jusqu’\u00e0 pr\u00e9sent\u00a0\u00bb, explique Andre Czollek, du service de d\u00e9veloppement de Rein Medical, un des avantages de ces moniteurs.<\/p>\n
Des normes ont \u00e9t\u00e9 introduites afin d’obtenir une repr\u00e9sentation uniforme des images. Les plus connus pour la repr\u00e9sentation des couleurs sont BT.709, BT.1886 et BT.2020.<\/p>\n
ainsi que la norme DICOM pour l’affichage en niveaux de gris. \u00ab\u00a0En principe, les coordonn\u00e9es chromatiques des couleurs primaires rouge, vert et bleu, le point blanc pour la luminosit\u00e9 maximale et la courbe de luminosit\u00e9 (gamma) dans la zone visible par l’homme sont d\u00e9finis\u00a0\u00bb, explique Czollek. Pour permettre l’\u00e9talonnage des couleurs, ces valeurs de la table de conversion sont stock\u00e9es dans la LookUpTable (LUT) du contr\u00f4leur d’affichage. La taille de la LUT est d\u00e9terminante pour le r\u00e9sultat et la qualit\u00e9. \u00ab\u00a0Gr\u00e2ce \u00e0 notre nouvelle LookUpTable 3D dans le contr\u00f4leur d’affichage, il est possible de r\u00e9aliser beaucoup plus de nuances et d’obtenir ainsi un affichage beaucoup plus pr\u00e9cis. De plus, les valeurs de luminosit\u00e9 sont maintenues constantes tout au long du cycle de vie gr\u00e2ce \u00e0 la stabilisation automatique de la luminosit\u00e9 (ALS) int\u00e9gr\u00e9e, ce qui constitue un autre aspect qualitatif\u00a0\u00bb, souligne Czollek.<\/p>\n
Delta E d\u00e9signe la diff\u00e9rence entre les sp\u00e9cifications des normes et les valeurs r\u00e9ellement obtenues par le moniteur. Un delta E allant jusqu’\u00e0 0,5 est une variation presque imperceptible de l’\u00e9cart de couleur, jusqu’\u00e0 une valeur de 1,0, il est perceptible par un \u0153il exerc\u00e9, jusqu’\u00e0 une valeur d’\u00e9cart de couleur de 5,0 et plus, il est \u00e9valu\u00e9 comme une autre couleur. Le CLINIO 432DCUH de Rein Medical atteint un delta E de 0,5 avg. et un delta E de 0,7max. \u00ab\u00a0Les produits comparables se situent entre 1,75 et 5,07, ce qui est inacceptable dans cette plage critique\u00a0\u00bb, avertit Czollek.<\/p>\n
Un \u00e9talonnage pr\u00e9cis des moniteurs est donc la base d’un affichage pr\u00e9cis et constant des images. Avec la calibration de r\u00e9f\u00e9rence, Rein Medical a d\u00e9velopp\u00e9 un autre proc\u00e9d\u00e9 sp\u00e9cial qui permet de copier l’impression d’image habituelle d’un moniteur \u00e9tranger sur des moniteurs s\u00e9lectionn\u00e9s des gammes CLINIO et OPERION de Rein Medical. \u00ab\u00a0C’est la premi\u00e8re fois qu’il est possible pour l’utilisateur de transf\u00e9rer son impression d’image habituelle sur un appareil actuel de Rein Medical. \u00c0 l’aide d’un capteur sp\u00e9cial, tous les param\u00e8tres de l’\u00e9cran existant sont lus et les valeurs de r\u00e9f\u00e9rence ainsi obtenues sont transf\u00e9r\u00e9es de mani\u00e8re permanente dans la table de conversion 3D du moniteur. Ce processus est possible aussi bien dans notre laboratoire \u00e0 M\u00f6nchengladbach qu’en tant que service sur place chez l’utilisateur final\u00a0\u00bb, explique Andre Czollek \u00e0 propos de cette nouvelle technologie.<\/p>\n<\/div>
En savoir plus sur MEDIGENIC<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2453,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[107],"tags":[],"class_list":["post-3987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-produits"],"acf":[],"yoast_head":"\nCalibrage de r\u00e9f\u00e9rence - Rein Medical<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/reinmedical.com\/fr\/calibrage-de-reference\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calibrage de r\u00e9f\u00e9rence - Rein Medical\" \/>\n<meta property=\"og:url\" content=\"https:\/\/reinmedical.com\/fr\/calibrage-de-reference\/\" \/>\n<meta property=\"og:site_name\" content=\"Rein Medical\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-22T11:03:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-30T15:34:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/reinmedical.com\/wp-content\/uploads\/2024\/02\/Unbenannt-4.2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"840\" \/>\n\t<meta property=\"og:image:height\" content=\"285\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"23 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/reinmedical.com\\\/fr\\\/calibrage-de-reference\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/reinmedical.com\\\/fr\\\/calibrage-de-reference\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/reinmedical.com\\\/fr\\\/#\\\/schema\\\/person\\\/b1378b4bd1058be4cf876e1916a30174\"},\"headline\":\"Calibrage de r\u00e9f\u00e9rence\",\"datePublished\":\"2024-02-22T11:03:46+00:00\",\"dateModified\":\"2024-08-30T15:34:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/reinmedical.com\\\/fr\\\/calibrage-de-reference\\\/\"},\"wordCount\":4597,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/reinmedical.com\\\/fr\\\/calibrage-de-reference\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/reinmedical.com\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/Unbenannt-4.2.jpg\",\"articleSection\":[\"Produits\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/reinmedical.com\\\/fr\\\/calibrage-de-reference\\\/\",\"url\":\"https:\\\/\\\/reinmedical.com\\\/fr\\\/calibrage-de-reference\\\/\",\"name\":\"Calibrage de r\u00e9f\u00e9rence - 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