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<!DOCTYPE html>
<!-- Generated by pkgdown: do not edit by hand --><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Basic Computer Vision Library • Rvision</title>
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<script src="jquery.sticky-kit.min.js"></script><script src="pkgdown.js"></script><meta property="og:title" content="Basic Computer Vision Library">
<meta property="og:description" content="This package uses the OpenCV library to provide R users with some
basic functions to read and manipulate video and image files, as well as
camera streams.">
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<a class="navbar-link" href="index.html">Rvision</a>
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<a href="articles/z1_install.html">1 - Installing Rvision</a>
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<a href="articles/z2_io.html">2 - Input/output operations</a>
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<div id="rvision---a-computer-vision-library-for-r" class="section level1">
<div class="page-header"><h1 class="hasAnchor">
<a href="#rvision---a-computer-vision-library-for-r" class="anchor"></a>Rvision - A computer vision library for R</h1></div>
<div id="description" class="section level2">
<h2 class="hasAnchor">
<a href="#description" class="anchor"></a>Description</h2>
<p><a href="https://github.com/swarm-lab/Rvision"><code>Rvision</code></a> is a - small but growing - computer vision library for <a href="https://cran.r-project.org"><code>R</code></a>. It is based on the powerful <a href="http://opencv.org/"><code>OpenCV</code></a> library for C/C++, the state-of-the-art for computer vision in the open source world.</p>
<p>The ultimate goal of <a href="https://github.com/swarm-lab/Rvision"><code>Rvision</code></a> is to provide <a href="https://cran.r-project.org"><code>R</code></a> users with all the necessary functions to read and manipulate images, videos and camera streams, with an emphasis on speed (thanks to <a href="http://opencv.org/"><code>OpenCV</code></a>). In this respect, it is different from all the other image manipulations packages for <a href="https://cran.r-project.org"><code>R</code></a> that either can not quickly and directly access frames from videos or camera streams or are limited in their processing speed and/or volume.</p>
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<a href="#quick-start-guides" class="anchor"></a>Quick start guides</h2>
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<li><a href="/Rvision/articles/z1_install.html">1 - Installation instructions</a></li>
<li><a href="/Rvision/articles/z2_io.html">2 - Input/output operations</a></li>
<li><a href="/Rvision/articles/z3_basic.html">3 - Basic operations</a></li>
<li>4 - Advanced operations on videos [TODO]</li>
<li>5 - Advanced operations on streams [TODO]</li>
<li>6 - Advanced operations on images [TODO]
<ul>
<li>6.1 - Drawing operations [TODO]</li>
<li>6.2 - Arithmetic operations [TODO]</li>
<li>6.3 - Morphological operations [TODO]</li>
<li>6.4 - Filtering operations [TODO]</li>
</ul>
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<a href="#faq" class="anchor"></a>FAQ</h2>
<div id="can-i-take-selfies-with-my-webcam-using-rvision" class="section level3">
<h3 class="hasAnchor">
<a href="#can-i-take-selfies-with-my-webcam-using-rvision" class="anchor"></a>Can I take selfies with my webcam using <a href="https://github.com/swarm-lab/Rvision"><code>Rvision</code></a>?</h3>
<p>You certainly can, but ask yourself first whether you should…</p>
<div class="sourceCode"><pre class="sourceCode r"><code class="sourceCode r">my_stream <-<span class="st"> </span><span class="kw"><a href="reference/stream.html">stream</a></span>(<span class="dv">0</span>) <span class="co"># 0 will start your default webcam in general. </span>
my_selfie <-<span class="st"> </span><span class="kw"><a href="reference/readNext.html">readNext</a></span>(my_stream)
<span class="kw">plot</span>(my_selfie)
<span class="kw"><a href="reference/release.html">release</a></span>(my_stream)</code></pre></div>
<p>Be careful, this will trigger the explosion of your camera if it detects that you are making a duck face ;-)</p>
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<h2>Links</h2>
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<li>Browse source code at <br><a href="https://github.com/swarm-lab/Rvision">https://github.com/swarm-lab/Rvision</a>
</li>
<li>Report a bug at <br><a href="https://github.com/swarm-lab/Rvision/issues">https://github.com/swarm-lab/Rvision/issues</a>
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<h2>License</h2>
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<li><a href="https://www.r-project.org/Licenses/GPL-3">GPL-3</a></li>
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<h2>Developers</h2>
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<a href="http://www.theswarmlab.coms">Simon Garnier</a> <br><small class="roles"> Author, maintainer </small> </li>
<li><a href="authors.html">All authors...</a></li>
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<h2>Dev status</h2>
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<li><a href="https://travis-ci.org/swarm-lab/Rvision"><img src="https://travis-ci.org/swarm-lab/Rvision.svg?branch=master" alt="Travis-CI Build Status"></a></li>
<li><a href="https://ci.appveyor.com/project/swarm-lab/Rvision"><img src="https://ci.appveyor.com/api/projects/status/github/swarm-lab/Rvision?branch=master&svg=true" alt="AppVeyor Build Status"></a></li>
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<p>Developed by <a href="http://www.theswarmlab.coms">Simon Garnier</a>.</p>
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