{"id":743,"date":"2011-09-01T09:41:50","date_gmt":"2011-09-01T08:41:50","guid":{"rendered":"http:\/\/www.ceessnoek.info\/?p=743"},"modified":"2011-11-30T20:06:34","modified_gmt":"2011-11-30T19:06:34","slug":"crowdsourcing-visual-detectors-for-video-search","status":"publish","type":"post","link":"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/","title":{"rendered":"Crowdsourcing Visual Detectors for Video Search"},"content":{"rendered":"<p>The paper <em>Crowdsourcing Visual Detectors for Video Search<\/em> by Bauke Freiburg, Jaap Kamps, and Cees Snoek, which will appear in the forthcoming ACM Multimedia conference is <a href=\"http:\/\/staff.science.uva.nl\/~cgmsnoek\/pub\/freiburg-crowdsourcing-acm2011.pdf\">now available<\/a>. In this paper, we study social tagging at the video fragment-level using a combination of automated content understanding and the wisdom of the crowds. We are interested in the question whether crowdsourcing can be beneficial to a video search engine that automatically recognizes video fragments on a semantic level. To answer this question, we perform a 3-month online field study with a concert video search engine targeted at a dedicated user-community of pop concert enthusiasts. We harvest the feedback of more than 500 active users and perform two experiments. In experiment 1 we measure user incentive to provide feedback, in experiment 2 we determine the tradeoff between feedback quality and quantity when aggregated over multiple users. Results show that users provide sufficient feedback, which becomes highly reliable when a crowd agreement of 67% is enforced.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" title=\"Crowdsourcing Visual Detectors for Video Search\" src=\"http:\/\/www.science.uva.nl\/research\/publications\/2011\/FreiburgICM2011\/invideobrowser.png\" alt=\"\" width=\"627\" height=\"322\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The paper Crowdsourcing Visual Detectors for Video Search by Bauke Freiburg, Jaap Kamps, and Cees Snoek, which will appear in the forthcoming ACM Multimedia conference is now available. In this paper, we study social tagging at the video fragment-level using a combination of automated content understanding and the wisdom of the crowds. We are interested [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-743","post","type-post","status-publish","format-standard","hentry","category-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Crowdsourcing Visual Detectors for Video Search - Cees Snoek<\/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:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Crowdsourcing Visual Detectors for Video Search - Cees Snoek\" \/>\n<meta property=\"og:description\" content=\"The paper Crowdsourcing Visual Detectors for Video Search by Bauke Freiburg, Jaap Kamps, and Cees Snoek, which will appear in the forthcoming ACM Multimedia conference is now available. In this paper, we study social tagging at the video fragment-level using a combination of automated content understanding and the wisdom of the crowds. We are interested [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/\" \/>\n<meta property=\"og:site_name\" content=\"Cees Snoek\" \/>\n<meta property=\"article:published_time\" content=\"2011-09-01T08:41:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2011-11-30T19:06:34+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.science.uva.nl\/research\/publications\/2011\/FreiburgICM2011\/invideobrowser.png\" \/>\n<meta name=\"author\" content=\"Cees\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Cees\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/\",\"url\":\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/\",\"name\":\"Crowdsourcing Visual Detectors for Video Search - Cees Snoek\",\"isPartOf\":{\"@id\":\"https:\/\/www.ceessnoek.info\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.science.uva.nl\/research\/publications\/2011\/FreiburgICM2011\/invideobrowser.png\",\"datePublished\":\"2011-09-01T08:41:50+00:00\",\"dateModified\":\"2011-11-30T19:06:34+00:00\",\"author\":{\"@id\":\"https:\/\/www.ceessnoek.info\/#\/schema\/person\/4bca975b7c432aeb5dced40bdbc204c1\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/#primaryimage\",\"url\":\"http:\/\/www.science.uva.nl\/research\/publications\/2011\/FreiburgICM2011\/invideobrowser.png\",\"contentUrl\":\"http:\/\/www.science.uva.nl\/research\/publications\/2011\/FreiburgICM2011\/invideobrowser.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.ceessnoek.info\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Crowdsourcing Visual Detectors for Video Search\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.ceessnoek.info\/#website\",\"url\":\"https:\/\/www.ceessnoek.info\/\",\"name\":\"Cees Snoek\",\"description\":\"research on video and image ai\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.ceessnoek.info\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.ceessnoek.info\/#\/schema\/person\/4bca975b7c432aeb5dced40bdbc204c1\",\"name\":\"Cees\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.ceessnoek.info\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/756ccb993852c1e8e3af39a228d11a7305b2a937750f26dc5799d5df019b0f51?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/756ccb993852c1e8e3af39a228d11a7305b2a937750f26dc5799d5df019b0f51?s=96&d=mm&r=g\",\"caption\":\"Cees\"},\"sameAs\":[\"http:\/\/www.CeesSnoek.info\"],\"url\":\"https:\/\/www.ceessnoek.info\/index.php\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Crowdsourcing Visual Detectors for Video Search - Cees Snoek","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ceessnoek.info\/index.php\/crowdsourcing-visual-detectors-for-video-search\/","og_locale":"en_US","og_type":"article","og_title":"Crowdsourcing Visual Detectors for Video Search - Cees Snoek","og_description":"The paper Crowdsourcing Visual Detectors for Video Search by Bauke Freiburg, Jaap Kamps, and Cees Snoek, which will appear in the forthcoming ACM Multimedia conference is now available. 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