{"id":1400,"date":"2014-11-10T07:49:07","date_gmt":"2014-11-10T07:49:07","guid":{"rendered":"https:\/\/www.prophotonix.com\/?p=1400"},"modified":"2020-07-16T15:44:41","modified_gmt":"2020-07-16T14:44:41","slug":"led-line-lights-line-scan-applications","status":"publish","type":"post","link":"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/","title":{"rendered":"LED Line Lights in Line Scan Applications"},"content":{"rendered":"<p style=\"text-align: justify;\">In this post we will describe line scan applications; the reasons for selecting a line scan solution and explain some of the most important characteristics of\u00a0<a href=\"https:\/\/www.prophotonix.com\/led-and-laser-products\/led-products\/led-line-lights\/\">LED Line light<\/a><a href=\"https:\/\/www.prophotonix.com\/led-and-laser-products\/led-products\/led-systems\/\">s<\/a>\u00a0for line scan applications.<\/p>\n<h2 style=\"text-align: justify;\">What is a Line Scan Application?<\/h2>\n<p style=\"text-align: justify;\">A line scan application is defined as a machine vision application that utilizes a one-dimensional (1D) line scan camera. Fundamentally, a line scan camera differs from an area scan camera in that it has a linear array of sensors as opposed to a two-dimensional (2D) matrix. A 2D image is obtained by the sys\u00adtem\u2019s 1D camera which is built up line by line as the target is in motion. In some applications, e.g. rail inspection, it is the motion of the camera that creates the 2D image but this type of system is much less prevalent in the manufacturing industry.<\/p>\n<h2 style=\"text-align: justify;\">Web Manufacturing<\/h2>\n<p style=\"text-align: justify;\">The most common type of line scan application is in web manufacturing of materials like paper, foil, film and high resolution imaging of larger discrete parts. These webs operate at very high speeds and often operate 24\/7. Reliable, low maintenance\u00a0<a href=\"https:\/\/www.prophotonix.com\/led-and-laser-products\/led-products\/led-line-lights\/\">LED Line lights<\/a>\u00a0play a vital part in maintaining the quality of output and avoiding downtime.<\/p>\n<h2 style=\"text-align: justify;\">High Resolution Applications<\/h2>\n<p style=\"text-align: justify;\">For a given cost, line scan cameras have the potential to provide much higher resolution images than their area scan counterparts. For this reason, line scan is often the vision system of choice when high resolution defects need to be identified in products that are moving. An example of this type of application is in the solar industry, when silicon wafers are inspected for micro cracks and occlusions. The high resolution is achieved by the density of pixels across the 1D sensor (cross-web resolution) and the line rate at which the camera runs (down-web resolution). As line rates tend to be high frequency the result is short exposure times, which means line scan systems require more light than typical area scan systems.<\/p>\n<h2 style=\"text-align: justify;\">Cylindrical Objects<\/h2>\n<p style=\"text-align: justify;\">Line scan technology can also be used in the imaging of cylindrical objects. Here, the target is rotating as the camera acquires the image lines. The resulting 2D image is inspected by the vision system. This type of system is commonly used in the food &amp; beverage and pharmaceutical industries for critical ap\u00adplications such as final label inspection.<\/p>\n<h2 style=\"text-align: justify;\">Space Constraints<\/h2>\n<p style=\"text-align: justify;\">Line scan vision systems are also used in restricted spaces. In certain applications, particularly where vision systems are being retro-fitted onto existing web production lines, space constraints make the form factor of the illuminators critical.<\/p>\n<p style=\"text-align: justify;\">For more information on LED Line Lights in line scan applications, download the whitepaper.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this post we will describe line scan applications; the reasons for selecting a line scan solution and explain some of the most important characteristics of\u00a0LED Line lights\u00a0for line scan applications. What is a Line Scan Application? A line scan application is defined as a machine vision application that utilizes a one-dimensional (1D) line scan [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1294,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[63,56],"tags":[],"class_list":["post-1400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-inspection","category-machine-vision-lighting","industry-inspection","industry-led-line-lights","industry-machine-vision-lighting","product-category-led-product"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LED Line Lights in Line Scan Applications<\/title>\n<meta name=\"description\" content=\"LED Line lights play a vital part in line scan vision systems. Learn about line scan vision systems and the characteristics of a good LED line light.\" \/>\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.prophotonix.com\/led-line-lights-line-scan-applications\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LED Line Lights in Line Scan Applications\" \/>\n<meta property=\"og:description\" content=\"LED Line lights play a vital part in line scan vision systems. Learn about line scan vision systems and the characteristics of a good LED line light.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/\" \/>\n<meta property=\"og:site_name\" content=\"Prophotonix\" \/>\n<meta property=\"article:published_time\" content=\"2014-11-10T07:49:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-07-16T14:44:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.prophotonix.com\/wp-content\/uploads\/2017\/12\/New_RGB_Line_Light.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"968\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Aoife Chapman\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ProPhotonix\" \/>\n<meta name=\"twitter:site\" content=\"@ProPhotonix\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Aoife Chapman\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/\"},\"author\":{\"name\":\"Aoife Chapman\",\"@id\":\"https:\/\/www.prophotonix.com\/#\/schema\/person\/3bcbc121c7cad25444c01e5ba30cbad2\"},\"headline\":\"LED Line Lights in Line Scan Applications\",\"datePublished\":\"2014-11-10T07:49:07+00:00\",\"dateModified\":\"2020-07-16T14:44:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/\"},\"wordCount\":444,\"publisher\":{\"@id\":\"https:\/\/www.prophotonix.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.prophotonix.com\/wp-content\/uploads\/2017\/12\/New_RGB_Line_Light.jpg\",\"articleSection\":[\"Inspection\",\"Machine Vision Lighting\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/\",\"url\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/\",\"name\":\"LED Line Lights in Line Scan Applications\",\"isPartOf\":{\"@id\":\"https:\/\/www.prophotonix.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.prophotonix.com\/led-line-lights-line-scan-applications\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.prophotonix.com\/wp-content\/uploads\/2017\/12\/New_RGB_Line_Light.jpg\",\"datePublished\":\"2014-11-10T07:49:07+00:00\",\"dateModified\":\"2020-07-16T14:44:41+00:00\",\"description\":\"LED Line lights play a vital part in line scan vision systems. 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