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	<title>Computer Vision For Dummies</title>
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	<description>Computer vision, image analysis, and related mathematics</description>
	<lastBuildDate>Tue, 29 Nov 2011 17:01:48 +0000</lastBuildDate>
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		<title>New: financial mathematics</title>
		<link>http://inperc.com/blog2/2011/11/29/new-financial-mathematics/</link>
		<comments>http://inperc.com/blog2/2011/11/29/new-financial-mathematics/#comments</comments>
		<pubDate>Tue, 29 Nov 2011 17:01:48 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[data analysis]]></category>
		<category><![CDATA[mathematics]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=867</guid>
		<description><![CDATA[I started reading about this very recently but so far all makes a lot of sense. The mathematics is both solid and interesting, especially stochastic calculus. This is a nice break from my recent experiences with what I would call &#8220;the mathematics of computer science&#8221;: computer vision and image analysis, machine learning, pattern recognition, and [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Improve your PageRank with outbound links, yes, OUT-bound!</title>
		<link>http://inperc.com/blog2/2011/10/23/improve-your-pagerank-with-outbound-links-yes-out-bound/</link>
		<comments>http://inperc.com/blog2/2011/10/23/improve-your-pagerank-with-outbound-links-yes-out-bound/#comments</comments>
		<pubDate>Sun, 23 Oct 2011 16:10:14 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[data analysis]]></category>
		<category><![CDATA[mathematics]]></category>
		<category><![CDATA[rants]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=842</guid>
		<description><![CDATA[To experiment with ideas like this I&#8217;ve created this little spreadsheet. The formula comes from the original Page/Brin paper from 1998. Suppose we have these ten &#8220;pages&#8221;: A, B, &#8230;, J. They are listed in the table as both rows and columns. The links are the entries in the table. First we suppose that they [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Free Pixcavator license</title>
		<link>http://inperc.com/blog2/2011/10/06/free-pixcavator-license/</link>
		<comments>http://inperc.com/blog2/2011/10/06/free-pixcavator-license/#comments</comments>
		<pubDate>Thu, 06 Oct 2011 14:01:30 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[image processing/image analysis software]]></category>
		<category><![CDATA[news]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=827</guid>
		<description><![CDATA[&#8230;for researchers who use and credit Pixcavator in their publications. This is a new promotion: authors can get a year subscription (value of $245) for free, if they they credit our image analysis software in their publications. So far we are aware of 30 such papers, in an amazing variety of fields. Details of the [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>What if PageRank didn’t exist?</title>
		<link>http://inperc.com/blog2/2011/08/28/what-if-pagerank-didnt-exist/</link>
		<comments>http://inperc.com/blog2/2011/08/28/what-if-pagerank-didnt-exist/#comments</comments>
		<pubDate>Sun, 28 Aug 2011 14:30:40 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[data analysis]]></category>
		<category><![CDATA[education]]></category>
		<category><![CDATA[mathematics]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=785</guid>
		<description><![CDATA[Gotcha! You thought this is about SEO. No, I meant “exist” in the mathematical sense… When an entity or a concept in mathematics is introduced via a description instead of a direct computation, there is a possibility that this entity doesn&#8217;t even exist. This happens when there is nothing that satisfies the description. For example, [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Modeling with discrete exterior calculus</title>
		<link>http://inperc.com/blog2/2011/08/23/modeling-with-discrete-exterior-calculus/</link>
		<comments>http://inperc.com/blog2/2011/08/23/modeling-with-discrete-exterior-calculus/#comments</comments>
		<pubDate>Wed, 24 Aug 2011 02:11:52 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[computer vision/machine vision/AI]]></category>
		<category><![CDATA[education]]></category>
		<category><![CDATA[image processing/image analysis software]]></category>
		<category><![CDATA[mathematics]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=770</guid>
		<description><![CDATA[Summer is over and I would like to report on a student&#8217;s research project that I especially liked. The full title is of the project was Modeling Heat Transfer on Various Grids with Discrete Exterior Calculus by Julie Lang. The main issue we ended up studying was isotropy as heat is supposed to transfer equally in all [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
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		<title>The math of PageRank: more bad news</title>
		<link>http://inperc.com/blog2/2011/08/02/the-math-of-pagerank-more-bad-news/</link>
		<comments>http://inperc.com/blog2/2011/08/02/the-math-of-pagerank-more-bad-news/#comments</comments>
		<pubDate>Wed, 03 Aug 2011 03:55:21 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[data analysis]]></category>
		<category><![CDATA[education]]></category>
		<category><![CDATA[mathematics]]></category>
		<category><![CDATA[rants]]></category>
		<category><![CDATA[reviews]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=763</guid>
		<description><![CDATA[Every time I get to read more about PageRank I run in serious issues with its math (previous posts here and here). Briefly, the probabilistic interpretation of PageRank is invalid. According to Brin/Page paper from 1998, “The probability that the random surfer visits a page is its PageRank.” And “We assume page A has pages [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Calculus 1 lectures finished</title>
		<link>http://inperc.com/blog2/2011/07/22/calculus-1-lectures-finished/</link>
		<comments>http://inperc.com/blog2/2011/07/22/calculus-1-lectures-finished/#comments</comments>
		<pubDate>Sat, 23 Jul 2011 02:41:33 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[education]]></category>
		<category><![CDATA[mathematics]]></category>
		<category><![CDATA[site]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=756</guid>
		<description><![CDATA[The multi-stage procedure is completed: prepare for the lecture by creating the initial notes; deliver the lecture (with a tablet) which always ends up very different from the textbook or the notes; save the notes as a Journal file (and also in pdf, for the web); edit the Journal notes: rewrite in full sentences to make [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>To attend the Canadian Conference on Computational Geometry</title>
		<link>http://inperc.com/blog2/2011/07/15/to-attend-the-canadian-conference-on-computational-geometry/</link>
		<comments>http://inperc.com/blog2/2011/07/15/to-attend-the-canadian-conference-on-computational-geometry/#comments</comments>
		<pubDate>Fri, 15 Jul 2011 22:25:23 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[computer vision/machine vision/AI]]></category>
		<category><![CDATA[mathematics]]></category>
		<category><![CDATA[news]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=750</guid>
		<description><![CDATA[I will be attending the 23rd Canadian Conference on Computational Geometry held in Toronto, August 10-12, 2011. I&#8217;ll give a talk called Robustness of topology of digital images and point clouds. Abstract. Such modern applications of topology as digital image analysis and data analysis have to deal with noise and other uncertainty. In this environment, [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>PageRank is bad math: discussion</title>
		<link>http://inperc.com/blog2/2011/07/05/pagerank-is-bad-math-discussion/</link>
		<comments>http://inperc.com/blog2/2011/07/05/pagerank-is-bad-math-discussion/#comments</comments>
		<pubDate>Wed, 06 Jul 2011 02:48:01 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[data analysis]]></category>
		<category><![CDATA[mathematics]]></category>
		<category><![CDATA[reviews]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=741</guid>
		<description><![CDATA[My previous post on the subject was “PageRank is an abomination (mathematically)”. My thesis was: PageRank, as described by Google, is bad math. Why? It appears that initially they made an arbitrary choice of the damping constant even though the choice affects the rankings. The parameter is made-up and hidden from the user. What has [...]]]></description>
		<wfw:commentRss>http://inperc.com/blog2/2011/07/05/pagerank-is-bad-math-discussion/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Pixcavator 6.0 released</title>
		<link>http://inperc.com/blog2/2011/06/27/pixcavator-6-0-released/</link>
		<comments>http://inperc.com/blog2/2011/06/27/pixcavator-6-0-released/#comments</comments>
		<pubDate>Mon, 27 Jun 2011 18:18:28 +0000</pubDate>
		<dc:creator>Peter Saveliev</dc:creator>
				<category><![CDATA[image processing/image analysis software]]></category>
		<category><![CDATA[news]]></category>
		<category><![CDATA[software releases]]></category>

		<guid isPermaLink="false">http://inperc.com/blog2/?p=734</guid>
		<description><![CDATA[We are announcing the new release of our popular image analysis software. In a new release we usually fix several bugs and improve the performance. There are a few improvements coming but this time the main news is our switch to the new activation provider for Pixcavator, RegNow. All new purchases will go through them from now on. There are [...]]]></description>
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		<slash:comments>0</slash:comments>
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