{"id":1934,"date":"2017-10-13T22:44:58","date_gmt":"2017-10-13T20:44:58","guid":{"rendered":"https:\/\/www.adimec.com\/trends-in-intelligent-traffic-systems-more-machine-vision-cameras-and-cameras-doing-more\/"},"modified":"2018-07-27T17:13:42","modified_gmt":"2018-07-27T15:13:42","slug":"trends-in-intelligent-traffic-systems-more-machine-vision-cameras-and-cameras-doing-more","status":"publish","type":"post","link":"https:\/\/www.adimec.com\/ja\/trends-in-intelligent-traffic-systems-more-machine-vision-cameras-and-cameras-doing-more\/","title":{"rendered":"Trends in intelligent traffic systems \u2013 more machine vision cameras and cameras doing more"},"content":{"rendered":"<div class=\"hs-migrated-cms-post\"><!--more--><\/p>\n<p>&nbsp;<\/p>\n<p>Intelligent Transportation Systems (ITS) are constantly becoming more sophisticated and one recent trend is the&nbsp;increased use of machine vision cameras.<\/p>\n<p>We at <a href=\"https:\/\/www.adimec.com\/\" title=\"Adimec  \" target=\"_blank\">Adimec <\/a>have several new customers and many more inquiries to use our cameras in intelligent traffic systems, primarily high speed license plate recognition applications for now. Some other <a href=\"https:\/\/www.adimec.com\/traffic\/\" title=\"traffic applications for our cameras are discussed here\" target=\"_blank\">traffic applications for our cameras are discussed here<\/a>.<\/p>\n<p>Here are some of the trends we have observed:<\/p>\n<p><b>Move from analog to digital (some digital MV cameras)<\/b><\/p>\n<p>Interfaces such as GigE Vision and CoaXPress are enabling this switch as they enable long distances between high data rate digital cameras and the PC.<\/p>\n<p><b>Replacing multiple cameras with one higher resolution camera<\/b><\/p>\n<p>To simplify systems, reduce unnecessary data, and reduce costs, 1 high resolution camera (often HDTV) can replace 2 or more low resolution cameras.&nbsp; The goal is to have only one camera per lane or two lanes per camera. Current trends in machine vision to introduce higher resolution cameras with 4, 8 or 12 MegaPixel are also followed in traffic.<\/p>\n<p><b>Replacing SLR cameras with more robust (industrial grade) cameras<\/b><\/p>\n<p>It is ideal to have the cameras above the road to minimize skew\/obstruction problems that occur<a href=\"https:\/\/www.adimec.com\/markets-2\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" id=\"img-1328186426993\" src=\"\/\/cdn2.hubspot.net\/hub\/20421\/file-13403914-jpg\/images\/traffic_camera_system2.jpg\" border=\"0\" alt=\"traffic camera system2\" width=\"149\" height=\"99\" class=\"alignRight\" style=\"float: right;\" \/><\/a> from the side of the road.&nbsp; This means the cameras have to be extremely reliable to avoid closing the road for repairs to the camera.<\/p>\n<p><b>Triggering with the cameras (rather than induction loops)<\/b><\/p>\n<p>Triggering systems in the road are very costly to install and maintain and can have latency issues.&nbsp; High-speed cameras with the appropriate functionality and combined with software can be used to do this at much lower costs.<\/p>\n<p><b>Using the camera for multiple purposes<\/b><\/p>\n<p>The camera can have multiple uses within one system:<\/p>\n<ul>\n<li>As a trigger (as mentioned as above)<\/li>\n<li>Provide an OCR still image (color, high resolution)<\/li>\n<li>Measure speed by using images from two different distances<\/li>\n<li>Provide classification of the vehicle as a bus, car, truck, etc. for proper payment per class<\/li>\n<\/ul>\n<p><b><a href=\"http:\/\/info.adimec.com\/blogposts\/bid\/77125\/CCD-versus-CMOS-in-Traffic-Applications\" title=\"Move to CMOS\" target=\"_blank\">Move to CMOS<\/a><br \/><\/b><\/p>\n<p>As the <a href=\"http:\/\/info.adimec.com\/blogposts\/bid\/77125\/CCD-versus-CMOS-in-Traffic-Applications\" title=\"quality of CMOS image sensors are improving\" target=\"_blank\">quality of CMOS image sensors are improving<\/a>, the inter-scene dynamic range, high frame speeds, and low power requirements are making them a very attractive option in traffic systems. One trigger for traffic system manufacturers to consider CMOS is that they inherently do not suffer from blooming and smear problems.<\/p>\n<p><b><a href=\"http:\/\/info.adimec.com\/blogposts\/bid\/70923\/Advantages-of-in-camera-image-processing-How-camera-technology-makes-a-better-picture-part-2\" title=\"More processing on the camera\" target=\"_blank\">More processing on the camera<\/a> to minimize demands on the PC<br \/><\/b><\/p>\n<p>If the cameras are running in high resolution mode all of the time, there is a ton of data and most of it will not be used.&nbsp; Certain functionality can be <a href=\"http:\/\/info.adimec.com\/blogposts\/bid\/70923\/Advantages-of-in-camera-image-processing-How-camera-technology-makes-a-better-picture-part-2\" title=\"added to the camera\" target=\"_blank\">added to the camera<\/a> to reduce wasted data to minimize the overload to the PCs.&nbsp; One example is for the camera to operate in a region of interest (ROI) mode with just a small portion of the scene.&nbsp; Once an object is detected in the scene, the camera switches to high resolution mode in order to capture the necessary data.<\/p>\n<p>&nbsp;<\/p>\n<p><b>Conclusion<\/b><\/p>\n<p>Cameras, particularly high-performance machine vision cameras, are becoming more important in intelligent traffic systems.&nbsp; There are some special considerations for utilizing these cameras to these demanding applications which we will expand upon in our blogs this month.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Intelligent Transportation Systems (ITS) are con&hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1934","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-1","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - 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