{"id":1159,"date":"2020-08-25T22:09:25","date_gmt":"2020-08-25T19:09:25","guid":{"rendered":"https:\/\/sites.uef.fi\/spectral\/?page_id=1159"},"modified":"2024-10-28T10:09:05","modified_gmt":"2024-10-28T08:09:05","slug":"odsi-db","status":"publish","type":"page","link":"https:\/\/sites.uef.fi\/spectral\/databases-software\/odsi-db\/","title":{"rendered":"ODSI-DB &#8211; Oral and Dental Spectral Image Database"},"content":{"rendered":"\n<p>ODSI-DB is an image database of oral and dental reflectance spectral images of human test subjects. Image sets of the test subjects contain the front-view and the occlusal surfaces of lower and upper teeth, oral mucosa, and face surrounding the mouth. Other features-of-interest have been imaged on case-by-case basis. The spectral images in the database have been annotated by dental experts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Citing<\/h2>\n\n\n\n<p>For citing the database, please use the following publication:<br>Joni Hyttinen, Pauli F\u00e4lt, Heli J\u00e4sberg, Arja Kullaa, and Markku Hauta-Kasari, <em>\u201dOral and Dental Spectral Image Database\u2014ODSI-DB\u201d<\/em>, Applied Sciences 10(20), 7246 (2020).<br><a href=\"https:\/\/doi.org\/10.3390\/app10207246\">https:\/\/doi.org\/10.3390\/app10207246<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">License<\/h2>\n\n\n\n<p>The ODSI-DB is licensed under a <a href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/\">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0)<\/a>. It is free to publish research containing results derived from this databaseas long as the database is cited properly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dataset preview<\/h2>\n\n\n\n<p>We have provided a dataset preview tool <a href=\"https:\/\/cs.uef.fi\/pub\/color\/spectra\/ODSI-DB\/preview-tool\/\">here<\/a>.<br>The preview tool lists annotation classes on the top of the page where the user may select which images are shown.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Download<\/h2>\n\n\n\n<p>The database is available for download <a href=\"https:\/\/cs.uef.fi\/pub\/color\/spectra\/ODSI-DB\/\">here<\/a>. The oral and dental spectral image files are multipage TIFF images. The first<br>page contains a 24-bit RGB preview image, followed by grayscale spectral band images (16-bit grayscale). The files utilize tag system of TIFF files to store the spectral band center wavelengths in tag 65000 as list of 32-bit floating point values, and tag 65111 to store a free-form ASCII metadata string. The metadata string contains information about the imaging setup, image processing and miscellaneous measurement data (blood pressure and oxygen saturation before and after measurement).<\/p>\n\n\n\n<p>Annotation files are likewise multipage TIFF images. Each page of the annotation image file contains a binary black-and-white mask image and has the annotation class stored as an ASCII-string in tag 65001.<\/p>\n\n\n\n<p>Python functions for reading and writing spectral image TIFFs and annotation mask TIFFs are provided in the spectral_tiffs.py file in the database root directory.<\/p>\n\n\n\n<p>Complete spectral image database is 34 GB in size.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Zenodo mirror<\/h3>\n\n\n\n<p>The main dataset is mirrored to Zenodo record: <a href=\"https:\/\/zenodo.org\/records\/13980878\" target=\"_blank\" rel=\"noreferrer noopener\">ODSI-DB \u2013 Oral and Dental Spectral Image Database<\/a>. This dataset record does not contain the preview tool nor the individual spectral image data files, only the single archive, dataset.7z.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contacts<\/h2>\n\n\n\n<p>For further questions or any issues regarding the ODSI-DB database, please contact the Spectral Color Research group, Professor Markku Hauta-Kasari, by email markku.hauta-kasari@uef.fi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ODSI-DB is an image database of oral and dental reflectance spectral images of human test subjects. Image sets of the test subjects contain the front-view and the occlusal surfaces of lower and upper teeth, oral mucosa, and face surrounding the mouth. Other features-of-interest have been imaged on case-by-case basis. The spectral images in the database [&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-1159","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>ODSI-DB - Oral and Dental Spectral Image Database - 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\/odsi-db\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ODSI-DB - Oral and Dental Spectral Image Database - Computational Spectral Imaging\" \/>\n<meta property=\"og:description\" content=\"ODSI-DB is an image database of oral and dental reflectance spectral images of human test subjects. 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