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	<title>Don&#039;t Panic - Jeroen Baert&#039;s Blog &#187; contours</title>
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	<link>http://forceflow.ulyssis.be</link>
	<description>It&#039;s too late for the government to train me as a secret weapon.</description>
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		<title>Thesis text and code</title>
		<link>http://forceflow.ulyssis.be/2010/07/20/thesis-text-and-code/</link>
		<comments>http://forceflow.ulyssis.be/2010/07/20/thesis-text-and-code/#comments</comments>
		<pubDate>Tue, 20 Jul 2010 01:39:41 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[code]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[glsl]]></category>
		<category><![CDATA[rendering]]></category>
		<category><![CDATA[suggestive contours]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1455</guid>
		<description><![CDATA[I&#8217;ve bundled my thesis implementations and put them up for download on the thesis code page. The thesis text (and a small overview) can be downloaded from the thesis page itself. I&#8217;d like to thank my promotor, suprvisors and readers for all their efforts, and hope my work and code will be useful for other <a href='http://forceflow.ulyssis.be/2010/07/20/thesis-text-and-code/'>[...]</a>]]></description>
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		<slash:comments>5</slash:comments>
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		<title>Contour and Valley detection using GLSL</title>
		<link>http://forceflow.ulyssis.be/2010/04/14/contour-and-valley-detection-using-glsl/</link>
		<comments>http://forceflow.ulyssis.be/2010/04/14/contour-and-valley-detection-using-glsl/#comments</comments>
		<pubDate>Wed, 14 Apr 2010 21:12:54 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[Featured]]></category>
		<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[glsl]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[opengl]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[shader]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1307</guid>
		<description><![CDATA[Today, I managed to perform contour/suggestive contour rendering in imagespace &#8211; thus working on a rendered diffuse shaded image. After using the Sobel edge detection filter  to detect regular contours, I looked for an efficient algorithm to detect valleys and creases, in order to draw suggestive contours as well. As the original paper from D. <a href='http://forceflow.ulyssis.be/2010/04/14/contour-and-valley-detection-using-glsl/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Thesis Update</title>
		<link>http://forceflow.ulyssis.be/2010/04/09/thesis-update/</link>
		<comments>http://forceflow.ulyssis.be/2010/04/09/thesis-update/#comments</comments>
		<pubDate>Fri, 09 Apr 2010 13:51:46 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[thesis]]></category>
		<category><![CDATA[c++]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[opengl]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[shaders]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1287</guid>
		<description><![CDATA[The current plan for my thesis is to compare several implementations I made, which all have the same purpose: draw contours and suggestive contours on a given mesh, as fast as possible, as correct as possible. It&#8217;s time to review the status of the current builds of these different tools. All of them are written <a href='http://forceflow.ulyssis.be/2010/04/09/thesis-update/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Thesis status february</title>
		<link>http://forceflow.ulyssis.be/2010/03/04/thesis-status-february/</link>
		<comments>http://forceflow.ulyssis.be/2010/03/04/thesis-status-february/#comments</comments>
		<pubDate>Thu, 04 Mar 2010 21:05:09 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[Featured]]></category>
		<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[glsl]]></category>
		<category><![CDATA[opengl]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1202</guid>
		<description><![CDATA[The presentation i&#8217;ll be giving tomorrow]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>GLSL Shader Results</title>
		<link>http://forceflow.ulyssis.be/2010/02/22/glsl-shader-results/</link>
		<comments>http://forceflow.ulyssis.be/2010/02/22/glsl-shader-results/#comments</comments>
		<pubDate>Mon, 22 Feb 2010 16:35:44 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[glsl]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[opengl]]></category>
		<category><![CDATA[shader]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1185</guid>
		<description><![CDATA[After squashing a rather nasty bug this morning (GLSL shader memory alloc is tricky), I made some renders to demonstrate the algorithm. The algorithm is an object-space algorithm.  This has some implications: Operations are performed with direct vertex info. No intermediate rendering+signal filtering is done. Rendering it on the GPU makes it hard to control <a href='http://forceflow.ulyssis.be/2010/02/22/glsl-shader-results/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Thesis blooper</title>
		<link>http://forceflow.ulyssis.be/2010/02/22/thesis-blooper/</link>
		<comments>http://forceflow.ulyssis.be/2010/02/22/thesis-blooper/#comments</comments>
		<pubDate>Mon, 22 Feb 2010 10:59:36 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[glsl]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[opengl]]></category>
		<category><![CDATA[shader]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1181</guid>
		<description><![CDATA[I don&#8217;t know what just happened to my shader, but this sure looks funky.]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Image Space Oddity</title>
		<link>http://forceflow.ulyssis.be/2010/02/20/image-space-oddity/</link>
		<comments>http://forceflow.ulyssis.be/2010/02/20/image-space-oddity/#comments</comments>
		<pubDate>Sat, 20 Feb 2010 19:59:22 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[Featured]]></category>
		<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[games]]></category>
		<category><![CDATA[glsl]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[opengl]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1169</guid>
		<description><![CDATA[I&#8217;ve been trying to work out a good CPU-accelerated version the my suggestive contours algorithm during the last few weeks, and after working through some technical difficulties, I managed to compute and draw regular contour lines this afternoon: Hard to see? I know,  it looks craptastic. But after an afternoon of reading tutorials, bulletin boards <a href='http://forceflow.ulyssis.be/2010/02/20/image-space-oddity/'>[...]</a>]]></description>
		<wfw:commentRss>http://forceflow.ulyssis.be/2010/02/20/image-space-oddity/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Thesis Video Update</title>
		<link>http://forceflow.ulyssis.be/2010/02/10/thesis-video-update/</link>
		<comments>http://forceflow.ulyssis.be/2010/02/10/thesis-video-update/#comments</comments>
		<pubDate>Tue, 09 Feb 2010 23:51:44 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[opengl]]></category>
		<category><![CDATA[video]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=1158</guid>
		<description><![CDATA[An overview of the work done upto january on my thesis. My most recent work (on the GLSL implementation) is not included, this is all rendered using the CPU. The main differences with last video: Better viewport consistency by applying fading of the contour lines. (Reduces flicker effect) Optimalisation of suggestive contour rendering using an <a href='http://forceflow.ulyssis.be/2010/02/10/thesis-video-update/'>[...]</a>]]></description>
		<wfw:commentRss>http://forceflow.ulyssis.be/2010/02/10/thesis-video-update/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Suggestive Highlights</title>
		<link>http://forceflow.ulyssis.be/2009/12/15/suggestive-highlights/</link>
		<comments>http://forceflow.ulyssis.be/2009/12/15/suggestive-highlights/#comments</comments>
		<pubDate>Tue, 15 Dec 2009 14:31:31 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[highlights]]></category>
		<category><![CDATA[opengl]]></category>
		<category><![CDATA[suggestive]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=888</guid>
		<description><![CDATA[Some more features implemented in my thesis project: Stroke fading (soft lines + anti-aliasing) Suggestive Highlights (still some tweaking &#8211; in combination with suggestive contours they give a false &#8220;embossed&#8221; impression) Various optimizations for time-coherent contours (see this follow-up paper). The &#8216;flickering&#8217; issues I had with changing viewports have been reduced severely. Quick and dirty <a href='http://forceflow.ulyssis.be/2009/12/15/suggestive-highlights/'>[...]</a>]]></description>
		<wfw:commentRss>http://forceflow.ulyssis.be/2009/12/15/suggestive-highlights/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Contours implementation</title>
		<link>http://forceflow.ulyssis.be/2009/11/15/contours-implementation/</link>
		<comments>http://forceflow.ulyssis.be/2009/11/15/contours-implementation/#comments</comments>
		<pubDate>Sun, 15 Nov 2009 03:15:58 +0000</pubDate>
		<dc:creator>Jeroen</dc:creator>
				<category><![CDATA[en]]></category>
		<category><![CDATA[thesis]]></category>
		<category><![CDATA[contours]]></category>
		<category><![CDATA[graphics]]></category>
		<category><![CDATA[implementation]]></category>
		<category><![CDATA[npr]]></category>

		<guid isPermaLink="false">http://forceflow.ulyssis.be/?p=827</guid>
		<description><![CDATA[I thought it would be a nice experiment to log my progress on implementing suggestive contours for my thesis on a minute-by-minute basis. Whether this turns out to be an interesting log or a boring concatenation of my sloppy coding adventures, we&#8217;ll see. I might discover what&#8217;s eating the most of my time &#8230; 18:00 <a href='http://forceflow.ulyssis.be/2009/11/15/contours-implementation/'>[...]</a>]]></description>
		<wfw:commentRss>http://forceflow.ulyssis.be/2009/11/15/contours-implementation/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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