{"version":"1.0","provider_name":"Techkon","provider_url":"https:\/\/techkon.datacolor.com\/es\/","author_name":"Emil Berbic","author_url":"https:\/\/techkon.datacolor.com\/es\/author\/eberbic\/","title":"Elipses de MacAdam","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"r8bh2xETvU\"><a href=\"https:\/\/techkon.datacolor.com\/es\/knowledge-base\/elipses-de-macadam\/\">Elipses de MacAdam<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/techkon.datacolor.com\/es\/knowledge-base\/elipses-de-macadam\/embed\/#?secret=r8bh2xETvU\" width=\"600\" height=\"338\" title=\"\u00abElipses de MacAdam\u00bb \u2014 Techkon\" data-secret=\"r8bh2xETvU\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/techkon.datacolor.com\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"Las elipses de MacAdam (en franc\u00e9s, ellipses de MacAdam) son elipses de umbral que caracterizan las tolerancias determinadas experimentalmente de las diferencias apenas perceptibles (JND, seuil de diff\u00e9renciation visuelle) en torno a coordenadas crom\u00e1ticas seleccionadas en el diagrama de cromaticidad CIE CIExyY. Estos experimentos fueron, y siguen siendo, la base para la creaci\u00f3n de sistemas de color perceptualmente equidistantes como el CIEUCS o el CIELAB, en los que estas elipses se transforman en c\u00edrculos de... Leer m\u00e1s"}