{"id":2822,"date":"2020-03-23T18:38:45","date_gmt":"2020-03-23T17:38:45","guid":{"rendered":"https:\/\/www.proof.de\/?post_type=encyclopedia&#038;p=2822"},"modified":"2024-05-14T00:33:50","modified_gmt":"2024-05-13T22:33:50","slug":"cielab","status":"publish","type":"encyclopedia","link":"https:\/\/blog.proofs.de\/it\/lexikon\/cielab\/","title":{"rendered":"CIELAB"},"content":{"rendered":"<div class=\"kk-star-ratings kksr-auto kksr-align-right kksr-valign-top\" data-payload='{\"align\":\"right\",\"id\":\"2822\",\"slug\":\"default\",\"valign\":\"top\",\"ignore\":\"\",\"reference\":\"auto\",\"class\":\"\",\"count\":\"0\",\"legendonly\":\"\",\"readonly\":\"\",\"score\":\"0\",\"starsonly\":\"\",\"best\":\"5\",\"gap\":\"5\",\"greet\":\"Jetzt bewerten\",\"legend\":\"0\\\/5 - (0 votes)\",\"size\":\"24\",\"title\":\"CIELAB\",\"width\":\"0\",\"_legend\":\"{score}\\\/{best} - ({count} {votes})\",\"font_factor\":\"1.25\"}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Valuta ora<\/span>\n    <\/div>\n    <\/div>\n<p>La CIE<a href=\"https:\/\/blog.proofs.de\/it\/lexikon\/lab\/\" target=\"_self\" title=\"CIELAB o LAB \u00e8 un modello matematico di colore che si \u00e8 affermato ovunque sia richiesto un calcolo esatto del colore. La gestione del colore al computer funziona solitamente tramite CIELAB.\" class=\"encyclopedia\">LAB<\/a>-<a href=\"https:\/\/blog.proofs.de\/it\/lexikon\/farbmodell\/\" target=\"_self\" title=\"Un modello di colore (o sistema di colore) \u00e8 un metodo matematico astratto per determinare e specificare i colori, nonch\u00e9 la loro relazione reciproca. Spesso viene equiparato allo spazio cromatico, che per\u00f2 \u00e8 l&#039;applicazione concreta di un modello di colore a un metodo di fornitura del colore (stampante, schermo, ecc.).\" class=\"encyclopedia\">Modello di colore<\/a> \u00e8 stata fondata nel 1976 dalla Commission Internationale de l'Eclairage d<a href=\"https:\/\/blog.proofs.de\/it\/lexikon\/efi\/\" target=\"_self\" title=\"Electronics For Imaging Inc., in breve EFI, \u00e8 un&#039;azienda americana e produttrice di uno dei sistemi di proofing leader nel mondo: EFI Colorproof XF, dal 2013: Fiery XF. EFI \u00e8 un fornitore di soluzioni per sistemi di stampa di grandi dimensioni, RIP e soluzioni di gestione del colore come il proofing.\" class=\"encyclopedia\">efi<\/a>e descrive tutti i colori percepibili. Si tratta di un ulteriore sviluppo di Hunter-LAB. <a href=\"https:\/\/blog.proofs.de\/it\/lexikon\/farbskala\/\" target=\"_self\" title=\"1. Colori di stampa: Colori di processo standardizzati per la stampa in quadricromia (CMYK) 2. scala di prova: Campione di colore di stampa schematico prodotto durante una prova di stampa e utilizzato per valutare la stampa nella tiratura.\" class=\"encyclopedia\">Scala di colori<\/a> del 1966 e un modello matematico del colore in cui le propriet\u00e0 spettrali di un oggetto e le propriet\u00e0 percettive del nostro sistema visivo sono compensate tra loro. CIELAB, o LAB in breve, si \u00e8 affermato fino ad oggi ovunque sia richiesto un calcolo esatto del colore, sia nel settore della fotografia che in quello della stampa. <a href=\"https:\/\/blog.proofs.de\/it\/lexikon\/farbmessung\/\" target=\"_self\" title=\"La misurazione del colore viene utilizzata per determinare l&#039;esatta posizione di un colore in un sistema cromatico.\" class=\"encyclopedia\">Misurazione del colore<\/a>o nei sistemi operativi comuni: Il <a class=\"encyclopedia\" title=\"L&#039;obiettivo della gestione del colore \u00e8 garantire che i colori siano riprodotti nel modo pi\u00f9 simile possibile tra i vari dispositivi, come fotocamere, scanner, monitor, stampanti laser, a getto d&#039;inchiostro, offset e molti altri.\" href=\"https:\/\/blog1.proofen.de\/lexikon\/farbmanagement\/\" target=\"_blank\" rel=\"noopener noreferrer\">Gestione del colore<\/a> di solito funziona tramite CIELAB.<\/p>\n<p>Hunter L, a, b e CIE 1976 L*a*b* (CIELAB) si basano entrambi sulla teoria dei colori opposti. Questa teoria presuppone che i recettori dell'occhio umano percepiscano i colori come coppie di opposti. Con LAB, si tratta di tre coppie:<\/p>\n<p>- Scala L: Luce vs. buio. Un numero basso (0-50) indica l'oscurit\u00e0 e un numero alto (51-100) la luminosit\u00e0; 0 \u00e8 il nero assoluto, 100 \u00e8 il bianco assoluto.<br>\n- scala a: Rosso vs. verde, un numero positivo indica il rosso e un numero negativo il verde.<br>\n- Scala b: Giallo contro blu, un numero positivo indica il giallo e un numero negativo il blu.<\/p>\n<p>Il valore L indica il rapporto tra luce e buio, il valore a la gamma dal rosso al verde e il valore b la gamma dal giallo al blu. Tutti e tre i valori insieme possono descrivere completamente il colore di un oggetto.<\/p>","protected":false},"excerpt":{"rendered":"<p>Il modello di colore CIELAB \u00e8 stato definito nel 1976 dalla Commission Internationale de l'Eclairage e descrive tutti i colori percepibili. Si tratta di un ulteriore sviluppo della scala cromatica Hunter-LAB del 1966 e di un modello matematico di colore in cui le propriet\u00e0 spettrali di un oggetto e le propriet\u00e0 percettive del nostro sistema visivo sono compensate tra loro. CIELAB, o LAB in breve, si \u00e8 affermato fino ad oggi ovunque sia richiesto un calcolo esatto del colore, sia nella misurazione del colore, sia nella formulazione o nei comuni sistemi operativi: La gestione del colore di solito funziona tramite CIELAB. Hunter L, a, b e CIE 1976 L*a*b* (CIELAB) si basano entrambi sulla ... <\/p>\n<p class=\"read-more-container\"><a title=\"CIELAB\" class=\"read-more button\" href=\"https:\/\/blog.proofs.de\/it\/lexikon\/cielab\/#more-2822\" aria-label=\"Per saperne di pi\u00f9 su CIELAB\">Leggi di pi\u00f9<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":{"om_disable_all_campaigns":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-2822","encyclopedia","type-encyclopedia","status-publish","hentry","no-featured-image-padding"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Das CIELAB-Farbmodell wurde 1976 von der Commission Internationale de l\u2019Eclairage definiert und beschreibt alle wahrnehmbaren Farben.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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