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	<title>Publications:Illuminance Flow Estimation by Regression - Revision history</title>
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	<updated>2026-04-04T14:05:53Z</updated>
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		<id>https://mw.hh.se/caisr/index.php?title=Publications:Illuminance_Flow_Estimation_by_Regression&amp;diff=2952&amp;oldid=prev</id>
		<title>Slawek at 20:40, 30 September 2016</title>
		<link rel="alternate" type="text/html" href="https://mw.hh.se/caisr/index.php?title=Publications:Illuminance_Flow_Estimation_by_Regression&amp;diff=2952&amp;oldid=prev"/>
		<updated>2016-09-30T20:40:17Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:40, 30 September 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l4&quot; &gt;Line 4:&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|Name=Karlsson, Stefan M. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[&lt;/del&gt;stekar&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;] &lt;/del&gt;(Högskolan i Halmstad &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[&lt;/del&gt;2804&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/del&gt;, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[&lt;/del&gt;3905&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/del&gt;, Halmstad Embedded and Intelligent Systems Research (EIS) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[&lt;/del&gt;3938&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/del&gt;);Pont, Sylvia C. ( Pi-Lab., Industrial Design Engineering, Delft University of Technology, Landbergstraat 15, Delft 2628 CE, Netherlands);Koenderink, Jan J. (Pi-Lab., Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Mekelweg 4, Delft 2028 CD, Netherlands);Zisserman, Andrew (Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom)&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|Name=Karlsson, Stefan M. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/ins&gt;stekar&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;) &lt;/ins&gt;(Högskolan i Halmstad &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/ins&gt;2804&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/ins&gt;3905&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;, Halmstad Embedded and Intelligent Systems Research (EIS) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/ins&gt;3938&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;);Pont, Sylvia C. ( Pi-Lab., Industrial Design Engineering, Delft University of Technology, Landbergstraat 15, Delft 2628 CE, Netherlands);Koenderink, Jan J. (Pi-Lab., Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Mekelweg 4, Delft 2028 CD, Netherlands);Zisserman, Andrew (Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|Title=Illuminance Flow Estimation by Regression&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|Title=Illuminance Flow Estimation by Regression&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&#039;diff-marker&#039;&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PublicationType=Journal Paper&lt;/div&gt;&lt;/td&gt;&lt;td class=&#039;diff-marker&#039;&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PublicationType=Journal Paper&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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|Title=Illuminance Flow Estimation by Regression&lt;br /&gt;
|PublicationType=Journal Paper&lt;br /&gt;
|ContentType=Refereegranskat&lt;br /&gt;
|Language=eng&lt;br /&gt;
|Journal=International Journal of Computer Vision&lt;br /&gt;
|JournalISSN=0920-5691&lt;br /&gt;
|Status=published&lt;br /&gt;
|Volume=90&lt;br /&gt;
|Issue=3&lt;br /&gt;
|HostPublication=&lt;br /&gt;
|Conference=&lt;br /&gt;
|StartPage=304&lt;br /&gt;
|EndPage=312&lt;br /&gt;
|Year=2010&lt;br /&gt;
|Edition=&lt;br /&gt;
|Pages=&lt;br /&gt;
|City=Amsterdam&lt;br /&gt;
|Publisher=Elsevier&lt;br /&gt;
|Series=&lt;br /&gt;
|SeriesISSN=&lt;br /&gt;
|ISBN=&lt;br /&gt;
|Urls=&lt;br /&gt;
|ISRN=&lt;br /&gt;
|DOI=http://dx.doi.org/10.1007/s11263-010-0353-7&lt;br /&gt;
|ISI=000282782700003&lt;br /&gt;
|PMID=&lt;br /&gt;
|ScopusId=2-s2.0-78149283686&lt;br /&gt;
|NBN=urn:nbn:se:hh:diva-18894&lt;br /&gt;
|LocalId=&lt;br /&gt;
|ArchiveNumber=&lt;br /&gt;
|Keywords=Illuminance flow;Surface 3D texture;Histogram of oriented gradients;Illuminant estimation&lt;br /&gt;
|Categories=Teknik och teknologier (2)&lt;br /&gt;
|ResearchSubjects=&lt;br /&gt;
|Projects=&lt;br /&gt;
|Notes=&lt;br /&gt;
|Abstract=&amp;lt;p&amp;gt;We investigate the estimation of illuminance flow using Histograms of Oriented Gradient features (HOGs). In a regression setting, we found for both ridge regression and support vector machines, that the optimal solution shows close resemblance to the gradient based structure tensor (also known as the second moment matrix). Theoretical results are presented showing in detail how the structure tensor and the HOGs are connected. This relation will benefit computer vision tasks such as affine invariant texture/object matching using HOGs. Several properties of HOGs are presented, among others, how many bins are required for a directionality measure, and how to estimate HOGs through spatial averaging that requires no binning.&amp;lt;/p&amp;gt;&lt;br /&gt;
|Opponents=&lt;br /&gt;
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|Patent=&lt;br /&gt;
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|CreatedDate=2012-06-25&lt;br /&gt;
|PublicationDate=2012-06-27&lt;br /&gt;
|LastUpdated=2012-09-26&lt;br /&gt;
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