{"id":229503,"date":"2024-10-19T14:55:49","date_gmt":"2024-10-19T14:55:49","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-cie-11664-12019\/"},"modified":"2024-10-25T09:05:21","modified_gmt":"2024-10-25T09:05:21","slug":"bs-en-iso-cie-11664-12019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-cie-11664-12019\/","title":{"rendered":"BS EN ISO\/CIE 11664-1:2019"},"content":{"rendered":"<p><label>1<\/label><\/p>\n<p>This document specifies colour-matching functions for use in colorimetry. Two sets of colour-matching functions are specified.<\/p>\n<ol type=\"a\">\n<li><label>a)<\/label>\n<p>Colour-matching functions for the CIE&nbsp;1931 standard colorimetric observer.<\/p>\n<p>This set of colour-matching functions is representative of the colour-matching properties of observers with normal colour vision for visual field sizes of angular subtense from about 1\u00b0 to about 4\u00b0, for vision at photopic levels of adaptation.<\/p>\n<\/li>\n<li><label>b)<\/label>\n<p>Colour-matching functions for the CIE&nbsp;1964 standard colorimetric observer.<\/p>\n<p>This set of colour-matching functions is representative of the colour-matching properties of observers with normal colour vision for visual field sizes of angular subtense greater than about 4\u00b0, for vision at sufficiently high photopic levels and with spectral power distributions such that no participation of the rod receptors of the retina is to be expected.<\/p>\n<\/li>\n<\/ol>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>European foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>4 Specifications <br \/> 4.1 Colour-matching functions <br \/> 4.2 Spectral chromaticity coordinates <br \/> 5 Derivation of the colour-matching functions for the CIE 1931 standard colorimetric observer <br \/> 5.1 Experimental basis  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>5.2 Transformation procedures <br \/> 5.3 Transformation properties  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>5.4 Comparison with earlier data <br \/> 6 Derivation of the colour-matching functions for the CIE 1964 standard colorimetric observer <br \/> 6.1 Experimental basis <br \/> 6.2 Transformation procedures  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>6.3 Transformation properties <br \/> 6.4 Comparison with earlier data <br \/> 7 Practical application of colour-matching functions for CIE standard colorimetric observers <br \/> 7.1 Obtaining tristimulus values  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>7.2 The basis for integration <br \/> 7.3 Rod activity <br \/> 7.4 The use of restricted data <br \/> 7.5 Standard of reflectance  <\/td>\n<\/tr>\n<tr>\n<td><b>42<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Colorimetry &#8211; CIE standard colorimetric observers<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2019<\/td>\n<td>44<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":229507,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[275,2641],"product_tag":[],"class_list":{"0":"post-229503","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-180-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/229503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/229507"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=229503"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=229503"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=229503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}