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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">OpenALPR</span></span>
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</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above summary">OpenALPR</th></tr><tr><td colspan="2" class="infobox-image logo"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Programmer" title="Programmer">Original author(s)</a></th><td class="infobox-data">Matthew Hill<sup id="cite_ref-ars_1-0" class="reference"><a href="#cite_note-ars-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data">OpenALPR Technology, Inc.<sup id="cite_ref-opengit_2-0" class="reference"><a href="#cite_note-opengit-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">2 May 2014<span style="display:none"> (<span class="bday dtstart published updated">2014-05-02</span>)</span><sup id="cite_ref-opengit_2-1" class="reference"><a href="#cite_note-opengit-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_release_life_cycle" title="Software release life cycle">Stable release</a></th><td class="infobox-data"><div style="margin:0px;">2.5.103
/ March 5, 2018<span style="display:none"> (<span class="bday dtstart published updated">2018-03-05</span>)</span></div></td></tr><tr style="display:none"><td colspan="2">
</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Repository_(version_control)" title="Repository (version control)">Repository</a></th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://github.com/openalpr/openalpr">github<wbr>.com<wbr>/openalpr<wbr>/openalpr</a></span></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Written in</th><td class="infobox-data"><a href="C_(programming_language)" title="C (programming language)">C</a>, <a href="C%2B%2B" title="C++">C++</a>, <a href="Python_(programming_language)" title="Python (programming language)">Python</a>, <a href="Java_(programming_language)" title="Java (programming language)">Java</a>, and <a href="C_Sharp_(programming_language)" title="C Sharp (programming language)">C#</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data">Linux, Windows<sup id="cite_ref-extreme_3-0" class="reference"><a href="#cite_note-extreme-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Computing_platform" title="Computing platform">Platform</a></th><td class="infobox-data"><a href="IA-32" title="IA-32">IA-32</a> (i386), <a href="X86-64" title="X86-64">x86-64</a> or <a href="ARM_architecture" class="mw-redirect" title="ARM architecture">ARM</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="File_size" title="File size">Size</a></th><td class="infobox-data">276 MB</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Available in</th><td class="infobox-data">1 languages</td></tr><tr><td colspan="2" class="infobox-full-data"><style data-mw-deduplicate="TemplateStyles:r1214851843">
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</style><div class="hidden-begin mw-collapsible mw-collapsed" style=""><div class="hidden-title skin-nightmode-reset-color" style="background-color: transparent;">List of languages</div><div class="hidden-content mw-collapsible-content" style="">English</div></div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><a href="Automatic_number-plate_recognition" title="Automatic number-plate recognition">Automatic number-plate recognition</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_license" title="Software license">License</a></th><td class="infobox-data">Proprietary and <a href="Affero_General_Public_License" class="mw-redirect" title="Affero General Public License">AGPL</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://www.openalpr.com">www<wbr>.openalpr<wbr>.com</a></span></td></tr></tbody></table>
<p><b>OpenALPR</b> is an <a href="Automatic_number-plate_recognition" title="Automatic number-plate recognition">automatic number-plate recognition</a> <a href="Library_(computing)" title="Library (computing)">library</a> written in <a href="C%2B%2B" title="C++">C++</a>. The software is distributed in both a commercial and <a href="Open-source_software" title="Open-source software">open source</a> version.
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<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>
<p>OpenALPR was originally developed by a two-man team led by Matt Hill.<sup id="cite_ref-ars_1-1" class="reference"><a href="#cite_note-ars-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The open source software became available as a free download at the end of 2015.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> In March 2016, OpenALPR launched a paid Cloud API service<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and in February 2017 introduced the OpenALPR agent for <a href="Axis_Communications" title="Axis Communications">Axis Communications</a> cameras.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>
</p><p>In August 2017 an <a href="Australia" title="Australia">Australian</a> web developer Tait Brown became known by creating an alternative to an 86 million <a href="Australian_dollar" title="Australian dollar">AUD</a> project of <a href="Victoria_Police" title="Victoria Police">Victoria Police</a> by using OpenALPR.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>
In March 2018 <a href="ProgrammableWeb" title="ProgrammableWeb">ProgrammableWeb</a> added OpenALPR to its list of Recognition APIs.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Software">Software</h2></div>
<p>OpenALPR is an <a href="Automatic_number-plate_recognition" title="Automatic number-plate recognition">automatic number-plate recognition</a> <a href="Library_(computing)" title="Library (computing)">library</a> written in <a href="C%2B%2B" title="C++">C++</a>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The software is distributed in both a commercial cloud based version<sup id="cite_ref-ars_1-2" class="reference"><a href="#cite_note-ars-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> and <a href="Open-source_software" title="Open-source software">open source</a> version.<sup id="cite_ref-extreme_3-1" class="reference"><a href="#cite_note-extreme-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-iprogrammer_10-0" class="reference"><a href="#cite_note-iprogrammer-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> OpenALPR makes use of <a href="OpenCV" title="OpenCV">OpenCV</a> and <a href="Tesseract_(software)" title="Tesseract (software)">Tesseract OCR</a> libraries. It could be run as a command-line utility, standalone library, or background process. The software also integrates with <a href="Video_management_system" title="Video management system">video management systems</a> (VMS) such as Milestone XProtect.<sup id="cite_ref-ipvm_11-0" class="reference"><a href="#cite_note-ipvm-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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</style><cite id="CITEREFFarivar2015" class="citation web cs1">Farivar, Cyrus (December 5, 2015). <a rel="nofollow" class="external text" href="https://arstechnica.com/information-technology/2015/12/new-open-source-license-plate-reader-software-lets-you-make-your-own-hot-list/">"New software watches for license plates, turning you into Little Brother"</a>. <i><a href="Ars_Technica" title="Ars Technica">Ars Technica</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">June 11,</span> 2018</span>.</cite></span>
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<li id="cite_note-iprogrammer-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-iprogrammer_10-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFJames2015" class="citation web cs1">James, Mike (December 18, 2015). <a rel="nofollow" class="external text" href="http://www.i-programmer.info/news/105-artificial-intelligence/9246-openalpr-an-open-source-licence-plate-reader.html">"Openalpr - An Open Source Licence Plate Reader"</a>. <i>i-programmer.info</i><span class="reference-accessdate">. Retrieved <span class="nowrap">June 23,</span> 2018</span>.</cite></span>
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<li id="cite_note-ipvm-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-ipvm_11-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFKaras2016" class="citation web cs1">Karas, Brian (March 22, 2016). <a rel="nofollow" class="external text" href="https://ipvm.com/reports/company-profile-openalpr">"SaaS LPR Startup OpenALPR Examined"</a>. <i>ipvm.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">June 21,</span> 2018</span>.</cite><span style="font-size:0.95em; font-size:95%; color: var( --color-subtle, #555 )">(subscription required)</span></span>
</li>
</ol></div>
<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>
<ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="http://www.openalpr.com">Official website</a></span></span></li>
<li><a rel="nofollow" class="external text" href="https://github.com/openalpr/openalpr">OpenALPR at GitHub</a></li></ul></div><!--htdig_noindex--><div><div class="zim-footer">
This article is issued from <a class="external text" title="Last edited on 2025-03-09" href="https://en.wikipedia.org/wiki/?title=OpenALPR&oldid=1279658301">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.
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