<div dir="ltr"><div class="gmail_quote"><div dir="ltr" class="gmail_attr"><br></div><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p style="text-align:center;clear:both"><img style="margin-left:1em;margin-right:1em" src="cid:12e00a50-a374-48e3-abaa-d0b3ec9295dc" alt="New CSRC Logo.jpg"></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">DATE:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana",sans-serif;color:black"> </span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif">Friday, November 8, 2019</span></b></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><br></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"></span></p>
<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><div dir="ltr"><p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"></span></p>
<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">TITLE:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> <br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p class="MsoNormal" style="text-align:center" align="center"><font size="6"><span style="font-family:verdana,sans-serif"></span></font></p><p class="MsoNormal" style="text-align:center" align="center"><font size="6"><span style="font-family:verdana,sans-serif"><b><span style="background:white none repeat scroll 0% 0%"></span></b></span></font></p><div style="text-align:center"><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span> </span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span>Unsupervised and Supervised Texture Segmentation/Classification</span></span></span></span></b></font></span></div><div style="text-align:center"><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span><br></span></span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span>
</span></span></span></b></font></span><p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:black"></span></b></p>
<span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span></span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"></span></span> </span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span style="font-size:11pt"></span></b> </font></span></div><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p>
<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">TIME:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana",sans-serif;color:black"> </span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif">3:30-4:30PM</span></b></p><p class="MsoNormal" style="text-align:center" align="center"><br><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><span style="color:black"></span></span></b></p>
<p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">LOCATION:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> <b> </b></span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif">GMCS 314<br></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><br></span></b></p>
<p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p>
<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">SPEAKER/BIO:</span><span style="font-size:13.5pt;font-family:"Verdana",sans-serif;color:black"> </span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><br></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><br><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif">Dr. Jerome Gilles, Associate Professor, Department of Mathematics and Statistics, SDSU<br></span></b><font size="4"><span style="font-family:verdana,sans-serif"><b><span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><span style="color:black"></span></span></b></span><span></span></b></span></font></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b></p>
<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"> </span></p>
<p class="MsoNormal"><font size="2"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></font></p><p class="MsoNormal" style="text-align:left"><font size="4"><span style="font-family:"Verdana",sans-serif;color:black">ABSTRACT:</span></font></p><font size="4">
</font><p class="MsoNormal" style="margin-top:0in;margin-right:5.2pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;line-height:107%">
</p><p class="MsoNormal" style="text-autospace:none"><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:black"><span style="font-family:verdana,sans-serif"><font size="4"><span style="font-family:arial,sans-serif">
</span></font></span></span></p><p class="MsoNormal" style="text-autospace:none">
</p><font size="4"><span style="font-family:verdana,sans-serif"><span><span>Texture analysis in image
processing remains a challenging problem mainly due to the fact that
textures can vary a lot which makes difficult to find a mathematical
model for textures. However, the community usually agree that some
characteristics like orientation, periodicity and scale are very
important to characterize textures. These observations have naturally
led to the use of wavelet to extract features suitable for textures.
Such features can then be used to feed either an unsupervised or
supervised classifier to perform texture segmentation/classification. In
this work, we show that empirical wavelets are particularly relevant to
characterize textures since they are well adapted to capture
"optimized" features. We then use those feature with standard classifier
like k-means or the Nystrom algorithm to perform unsupervised texture
segmentation. Finally, we introduce the use of these features to train
neural networks to classify textures. We show that such easy change
largely boost existing neural networks and permits reaching performances
close to the perfection. </span></span><span style="color:black"><span><br></span></span>
<span> </span></span></font><p class="MsoNormal" style="margin-top:0in;margin-right:5.2pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;line-height:107%"><br>
</p><span style="font-family:arial,sans-serif"><font size="4">
</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">Host: Jose Castillo<br></font></span></div><div dir="ltr"><font size="2"><span style="font-family:verdana,sans-serif"><span style="font-family:"Verdana",sans-serif;color:black"></span></span></font></div><font size="4"><span style="font-family:verdana,sans-serif"></span></font>
<p></p>
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