{"id":17097,"date":"2017-07-13T12:30:45","date_gmt":"2017-07-13T11:30:45","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=17097"},"modified":"2017-07-13T10:34:30","modified_gmt":"2017-07-13T09:34:30","slug":"smart-gates-identify-cars-and-open-up-accordingly-using-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=17097","title":{"rendered":"Smart gates identify cars and open up accordingly using a Raspberry Pi"},"content":{"rendered":"<p data-reactid=\"8\"><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17098\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?resize=560%2C420&#038;ssl=1\" alt=\"\" width=\"560\" height=\"420\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?w=900&amp;ssl=1 900w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?resize=560%2C420&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?resize=260%2C195&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?resize=160%2C120&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p data-reactid=\"8\">Evghenii has developed a system that automates the process of recognising cars and opening gates based on who they are. The system, which uses a Raspberry Pi, an IP camera and some relays plus a mixture of Python (including OpenCV), shell scripting (<em>I can feel a headache building already<\/em>) and <a href=\"https:\/\/telegram.org\/\" target=\"_blank\" rel=\"noopener\">Telegram messaging<\/a>\u00a0has the following principles of operation:<\/p>\n<ul>\n<li>The car drives up to the gates.<\/li>\n<\/ul>\n<ul>\n<li>Camera reads the car plate numbers.<\/li>\n<\/ul>\n<ul>\n<li>Checks the read number with the database; if it finds one, then it opens the gate and lets the car pass.<\/li>\n<\/ul>\n<ul>\n<li>Each car at the gates is photographed, then a photo is sent to the Telegram application with the car plate number and its status.<\/li>\n<\/ul>\n<ul>\n<li>Telegram bot has the ability to open and close the gates, take a current photo and add an unknown car to the database.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.hackster.io\/swink\/smart-gates-810cf0\" target=\"_blank\" rel=\"noopener\">He&#8217;s written up the project over at Hackster.io<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Evghenii has developed a system that automates the process of recognising cars and opening gates based on who they are. The system, which uses a Raspberry Pi, an IP camera and some relays plus a mixture of Python (including OpenCV),&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=17097\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":17098,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[25,36,39],"tags":[328],"class_list":["post-17097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-home-automation","category-photography","category-programming","tag-opencv"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Smart gates identify cars and open up accordingly using a Raspberry Pi - Raspberry Pi Pod<\/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.recantha.co.uk\/blog\/?p=17097\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Smart gates identify cars and open up accordingly using a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Evghenii has developed a system that automates the process of recognising cars and opening gates based on who they are. The system, which uses a Raspberry Pi, an IP camera and some relays plus a mixture of Python (including OpenCV),&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=17097\" \/>\n<meta property=\"og:site_name\" content=\"Raspberry Pi Pod\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/recantha\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-07-13T11:30:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i1.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?fit=900%2C675&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Michael Horne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@recantha\" \/>\n<meta name=\"twitter:site\" content=\"@recantha\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Horne\" \/>\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\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=17097#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=17097\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Smart gates identify cars and open up accordingly using a Raspberry Pi\",\"datePublished\":\"2017-07-13T11:30:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=17097\"},\"wordCount\":161,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=17097#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/07\/smart_gates.jpg?fit=900%2C675&ssl=1\",\"keywords\":[\"opencv\"],\"articleSection\":[\"Home automation\",\"Photography\",\"Programming\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=17097#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=17097\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=17097\",\"name\":\"Smart gates identify cars and open up accordingly using a Raspberry Pi - 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However, in reality, you only need to move your car every two hours\u00a0after it has been seen by an enforcement officer. 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He has documented a great method of using the Pi (in this case, a Raspberry Pi 4) to do object detection when driving at speed. He has accomplished this by using OpenCV, so-called\u2026","rel":"","context":"In &quot;Camera module&quot;","block_context":{"text":"Camera module","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=8"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/auto_driving.jpg?fit=788%2C592&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/auto_driving.jpg?fit=788%2C592&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/auto_driving.jpg?fit=788%2C592&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/auto_driving.jpg?fit=788%2C592&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":20501,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=20501","url_meta":{"origin":17097,"position":4},"title":"Control a DSLR with a Raspberry Pi and motion detection via OpenCV","author":"Michael Horne","date":"3 August 2020","format":false,"excerpt":"David Pride has taken his Panasonic Lumix DSLR camera and a Raspberry Pi and created a little bit of magic. He's adapted (read: taken apart and hacked with a soldering iron!) a quick release mechanism for the DSLR and wired it up to the Pi via an NPN transistor which\u2026","rel":"","context":"In &quot;Camera module&quot;","block_context":{"text":"Camera module","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=8"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2020\/08\/pseudopod.jpg?fit=1200%2C795&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":12857,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=12857","url_meta":{"origin":17097,"position":5},"title":"Create a realtime security camera with a Raspberry Pi and Parse","author":"Michael Horne","date":"1 July 2015","format":false,"excerpt":"Justin Platz and Kevin Gleason from PubNub have published a tutorial that uses the Raspberry Pi camera module to take pictures and then upload them to online service Parse. The program hooks into a PIR sensor to detect movement then uses OpenCV to detect faces. The upload only happens if\u2026","rel":"","context":"In &quot;Camera module&quot;","block_context":{"text":"Camera module","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=8"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/IMG_14688.jpeg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/IMG_14688.jpeg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/IMG_14688.jpeg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.pubnub.com\/blog\/wp-content\/uploads\/2015\/06\/IMG_14688.jpeg?resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/17097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17097"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/17097\/revisions"}],"predecessor-version":[{"id":17099,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/17097\/revisions\/17099"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/media\/17098"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}