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	<title>Todd Vanderlin &#187; portraits</title>
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	<link>http://toddvanderlin.com</link>
	<description>Design &#38; Technology</description>
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		<title>Portrait Pixel Flow</title>
		<link>http://toddvanderlin.com/2010/02/portrait-pixel-flow/</link>
		<comments>http://toddvanderlin.com/2010/02/portrait-pixel-flow/#comments</comments>
		<pubDate>Tue, 02 Feb 2010 17:49:13 +0000</pubDate>
		<dc:creator>Todd Vanderlin</dc:creator>
				<category><![CDATA[art]]></category>
		<category><![CDATA[experiment]]></category>
		<category><![CDATA[flow]]></category>
		<category><![CDATA[openframeworks]]></category>
		<category><![CDATA[pixels]]></category>
		<category><![CDATA[portraits]]></category>
		<category><![CDATA[vectors]]></category>

		<guid isPermaLink="false">http://toddvanderlin.com/?p=1706</guid>
		<description><![CDATA[Been doing some testing to find the flow of pixels in portraits. Above are a few attempts to find vectors in pixels based on surrounding pixels. In video this is achieved by simple comparing current frames to previous frames then calculating the velocity of the different pixels. Here I want to find the general flow ...]]></description>
			<content:encoded><![CDATA[<p><a class="lightview" rel="gallery[pixelflowport]" title="Einstein Face Vectors" href="http://farm5.static.flickr.com/4020/4324559832_58f75ececd_b.jpg"><br />
<img title="Einstein Face Vectors" src="http://farm5.static.flickr.com/4020/4324559832_58f75ececd.jpg"/><br />
</a><a class="lightview" rel="gallery[pixelflowport]" title="Einstein Face Vectors" href="http://farm5.static.flickr.com/4049/4324144796_eba47a7612_b.jpg"><br />
<img title="Einstein Face Vectors" src="http://farm5.static.flickr.com/4049/4324144796_eba47a7612.jpg"/><br />
</a><a class="lightview" rel="gallery[pixelflowport]" title="Obama Face Vectors" href="http://farm3.static.flickr.com/2774/4323379875_6a73e197fc_b.jpg"><br />
<img title="Obama Face Vectors" src="http://farm3.static.flickr.com/2774/4323379875_6a73e197fc.jpg"/><br />
</a><br />
Been doing some testing to find the flow of pixels in portraits. Above are a few attempts to find vectors in pixels based on surrounding pixels. In video this is achieved by simple comparing current frames to previous frames then calculating the velocity of the different pixels. Here I want to find the general flow of pixels through the image. The goal is to then have particles stream through the image to generate a representation of the image, some type of generative stipple drawing.  </p>
<p>See large image <a href="http://farm5.static.flickr.com/4020/4324559832_41c0d3fc45_o.jpg" class="lightview" rel="gallery[1706]">here</a><br />
Original Einstein image <a href="http://dyslexiavictoria.files.wordpress.com/2009/06/albert-einstein1.jpg" class="lightview" rel="gallery[1706]">here</a><br />
Original Obama image <a href="http://scrapetv.com/News/News%20Pages/Politics/images-2/obama-close-up.jpg" class="lightview" rel="gallery[1706]">here</a></p>
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