{"id":450,"date":"2020-06-02T19:32:12","date_gmt":"2020-06-02T16:32:12","guid":{"rendered":"https:\/\/sites.uef.fi\/spectral\/?page_id=450"},"modified":"2026-01-07T13:14:31","modified_gmt":"2026-01-07T11:14:31","slug":"paper-spectra","status":"publish","type":"page","link":"https:\/\/sites.uef.fi\/spectral\/databases-software\/paper-spectra\/","title":{"rendered":"Paper spectra"},"content":{"rendered":"\n<p>The reflectance spectra of coloured paper and cardboard samples. The samples were collected from various sources and there should be quite covering set of different colors. The spectra consist of measurements from single sheet of paper with black and white background and opaque pile of paper sample.<\/p>\n\n\n\n<p><strong>Measuring equipment:<\/strong> Minolta CM-2002 spectrofotometer.<\/p>\n\n\n\n<p><strong>Wavelength interval:<\/strong> 400 nm &#8211; 700 nm.<\/p>\n\n\n\n<p><strong>Wavelength resolution:<\/strong> 10 nm.<\/p>\n\n\n\n<p><strong>File formats:<\/strong> The available formats are ASCII and MATLAB.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cs.uef.fi\/pub\/color\/spectra\/paper\/README.txt\">To get README file for detailed information click here<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cs.uef.fi\/pub\/color\/spectra\/paper\/paper400_700_10.tar.gz\">To get color spectra in ASCII format click here<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cs.uef.fi\/pub\/color\/spectra\/paper\/paper_matlab.tar.gz\">To get color spectra in MATLAB format click here<\/a><\/li>\n<\/ul>\n\n\n\n<p><strong>Measurer:<\/strong> Jouni Haanpalo<\/p>\n\n\n\n<p><strong>Further information:<\/strong> Markku Hauta-Kasari (firstname.lastname@uef.fi)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The reflectance spectra of coloured paper and cardboard samples. The samples were collected from various sources and there should be quite covering set of different colors. The spectra consist of measurements from single sheet of paper with black and white background and opaque pile of paper sample. Measuring equipment: Minolta CM-2002 spectrofotometer. Wavelength interval: 400 [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":0,"parent":156,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-450","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Paper spectra - Computational Spectral Imaging<\/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:\/\/sites.uef.fi\/spectral\/databases-software\/paper-spectra\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Paper spectra - Computational Spectral Imaging\" \/>\n<meta property=\"og:description\" content=\"The reflectance spectra of coloured paper and cardboard samples. The samples were collected from various sources and there should be quite covering set of different colors. The spectra consist of measurements from single sheet of paper with black and white background and opaque pile of paper sample. Measuring equipment: Minolta CM-2002 spectrofotometer. 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The samples were collected from various sources and there should be quite covering set of different colors. The spectra consist of measurements from single sheet of paper with black and white background and opaque pile of paper sample. Measuring equipment: Minolta CM-2002 spectrofotometer. 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