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A Framework in C# for Fingerprint Verification

2 Jan 2019CPOL11 min read 1.6M   143.6K   672  
In this article, we introduce a framework in C# for fingerprint verification, we briefly explain how to perform fingerprint verification experiments and how to integrate your algorithms to the framework.
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<p>A 3x3 Sobel filter for horizontal edge detection.  
 <a href="class_image_processing_tools_1_1_sobel_horizontal_filter.html#details">More...</a></p>
<div class="dynheader">
Inheritance diagram for ImageProcessingTools.SobelHorizontalFilter:</div>
<div class="dyncontent">
 <div class="center">
  <img src="class_image_processing_tools_1_1_sobel_horizontal_filter.png" usemap="#ImageProcessingTools.SobelHorizontalFilter_map" alt=""/>
  <map id="ImageProcessingTools.SobelHorizontalFilter_map" name="ImageProcessingTools.SobelHorizontalFilter_map">
<area href="class_image_processing_tools_1_1_convolution_filter.html" title="Represents a convolution filter." alt="ImageProcessingTools.ConvolutionFilter" shape="rect" coords="0,0,260,24"/>
</map>
 </div></div>

<p><a href="class_image_processing_tools_1_1_sobel_horizontal_filter-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a90e20f15e240490a7d6d87f74280904d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a90e20f15e240490a7d6d87f74280904d"></a>
summary *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_sobel_horizontal_filter.html#a90e20f15e240490a7d6d87f74280904d">SobelHorizontalFilter</a> ()</td></tr>
<tr class="memdesc:a90e20f15e240490a7d6d87f74280904d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialize a <a class="el" href="class_image_processing_tools_1_1_sobel_horizontal_filter.html" title="A 3x3 Sobel filter for horizontal edge detection.">SobelHorizontalFilter</a> with the matrix {{1,2,1},{0,0,0},{-1,-2,-1}}. <br/></td></tr>
<tr class="inherit_header pub_methods_class_image_processing_tools_1_1_convolution_filter"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_image_processing_tools_1_1_convolution_filter')"><img src="closed.png" alt="-"/>&nbsp;Public Member Functions inherited from <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html">ImageProcessingTools.ConvolutionFilter</a></td></tr>
<tr class="memitem:a07df919a825c2e56890227dbebd9a164 inherit pub_methods_class_image_processing_tools_1_1_convolution_filter"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#a07df919a825c2e56890227dbebd9a164">ConvolutionFilter</a> (int width, int height, int factor)</td></tr>
<tr class="memdesc:a07df919a825c2e56890227dbebd9a164 inherit pub_methods_class_image_processing_tools_1_1_convolution_filter"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialize a <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html" title="Represents a convolution filter.">ConvolutionFilter</a> with the specified width, height and factor.  <a href="#a07df919a825c2e56890227dbebd9a164"></a><br/></td></tr>
<tr class="memitem:a641af1adb7b280fcea011644cfdb2425 inherit pub_methods_class_image_processing_tools_1_1_convolution_filter"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_image_processing_tools_1_1_image_matrix.html">ImageMatrix</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#a641af1adb7b280fcea011644cfdb2425">Apply</a> (<a class="el" href="class_image_processing_tools_1_1_image_matrix.html">ImageMatrix</a> img)</td></tr>
<tr class="memdesc:a641af1adb7b280fcea011644cfdb2425 inherit pub_methods_class_image_processing_tools_1_1_convolution_filter"><td class="mdescLeft">&#160;</td><td class="mdescRight">Applies the current convolution filter to the specified <a class="el" href="class_image_processing_tools_1_1_image_matrix.html" title="A class to represent a gray scale image using a matrix.">ImageMatrix</a>.  <a href="#a641af1adb7b280fcea011644cfdb2425"></a><br/></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="properties"></a>
Properties</h2></td></tr>
<tr class="memitem:a5ebb24e3c2cfc8a0ad17ec996f76fa71"><td class="memItemLeft" align="right" valign="top">override int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_sobel_horizontal_filter.html#a5ebb24e3c2cfc8a0ad17ec996f76fa71">Height</a><code> [get]</code></td></tr>
<tr class="memdesc:a5ebb24e3c2cfc8a0ad17ec996f76fa71"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the value 3 which is the height of the filter.  <a href="#a5ebb24e3c2cfc8a0ad17ec996f76fa71"></a><br/></td></tr>
<tr class="memitem:a3f092515d5fabd9515e2790125206ced"><td class="memItemLeft" align="right" valign="top">override int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_sobel_horizontal_filter.html#a3f092515d5fabd9515e2790125206ced">Width</a><code> [get]</code></td></tr>
<tr class="memdesc:a3f092515d5fabd9515e2790125206ced"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the value 3 which is the width of the filter.  <a href="#a3f092515d5fabd9515e2790125206ced"></a><br/></td></tr>
<tr class="memitem:a99f77b26280f3540013c320d45b27445"><td class="memItemLeft" align="right" valign="top">override int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_sobel_horizontal_filter.html#a99f77b26280f3540013c320d45b27445">Factor</a><code> [get]</code></td></tr>
<tr class="memdesc:a99f77b26280f3540013c320d45b27445"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the value 1 which is the factor to divide the value before assigning to the pixel.  <a href="#a99f77b26280f3540013c320d45b27445"></a><br/></td></tr>
<tr class="inherit_header properties_class_image_processing_tools_1_1_convolution_filter"><td colspan="2" onclick="javascript:toggleInherit('properties_class_image_processing_tools_1_1_convolution_filter')"><img src="closed.png" alt="-"/>&nbsp;Properties inherited from <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html">ImageProcessingTools.ConvolutionFilter</a></td></tr>
<tr class="memitem:a386e9e770b2ab3c3c2c072c1b1357e6f inherit properties_class_image_processing_tools_1_1_convolution_filter"><td class="memItemLeft" align="right" valign="top">virtual int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#a386e9e770b2ab3c3c2c072c1b1357e6f">this[int row, int column]</a><code> [get, set]</code></td></tr>
<tr class="memdesc:a386e9e770b2ab3c3c2c072c1b1357e6f inherit properties_class_image_processing_tools_1_1_convolution_filter"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets or sets the value of a pixel in the filter.  <a href="#a386e9e770b2ab3c3c2c072c1b1357e6f"></a><br/></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_methods_class_image_processing_tools_1_1_convolution_filter"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_class_image_processing_tools_1_1_convolution_filter')"><img src="closed.png" alt="-"/>&nbsp;Protected Member Functions inherited from <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html">ImageProcessingTools.ConvolutionFilter</a></td></tr>
<tr class="memitem:a8e392d752ef8c64d945c6d32de670b51 inherit pro_methods_class_image_processing_tools_1_1_convolution_filter"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#a8e392d752ef8c64d945c6d32de670b51">ConvolutionFilter</a> ()</td></tr>
<tr class="memdesc:a8e392d752ef8c64d945c6d32de670b51 inherit pro_methods_class_image_processing_tools_1_1_convolution_filter"><td class="mdescLeft">&#160;</td><td class="mdescRight">A base constructor to be used in concrete classes.  <a href="#a8e392d752ef8c64d945c6d32de670b51"></a><br/></td></tr>
<tr class="inherit_header pro_attribs_class_image_processing_tools_1_1_convolution_filter"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_class_image_processing_tools_1_1_convolution_filter')"><img src="closed.png" alt="-"/>&nbsp;Protected Attributes inherited from <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html">ImageProcessingTools.ConvolutionFilter</a></td></tr>
<tr class="memitem:a3f9a2a32bad42ed07b2a472c75cd1140 inherit pro_attribs_class_image_processing_tools_1_1_convolution_filter"><td class="memItemLeft" align="right" valign="top">int[,]&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#a3f9a2a32bad42ed07b2a472c75cd1140">pixels</a></td></tr>
<tr class="memdesc:a3f9a2a32bad42ed07b2a472c75cd1140 inherit pro_attribs_class_image_processing_tools_1_1_convolution_filter"><td class="mdescLeft">&#160;</td><td class="mdescRight">The matrix of the filter.  <a href="#a3f9a2a32bad42ed07b2a472c75cd1140"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A 3x3 Sobel filter for horizontal edge detection. </p>
<p>This filter has the following matrix: {{1,2,1},{0,0,0},{-1,-2,-1}}. </p>
<dl class="section see"><dt>See also:</dt><dd><a class="el" href="class_image_processing_tools_1_1_sobel_vertical_filter.html" title="A 3x3 Sobel filter for vertical edge detection.">SobelVerticalFilter</a></dd></dl>
</div><hr/><h2>Property Documentation</h2>
<a class="anchor" id="a99f77b26280f3540013c320d45b27445"></a>
<div class="memitem">
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      <table class="memname">
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          <td class="memname">override int ImageProcessingTools.SobelHorizontalFilter.Factor</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">get</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>Gets the value 1 which is the factor to divide the value before assigning to the pixel. </p>

<p>Reimplemented from <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#ad6dc280de472324bee0862cb2d2e518d">ImageProcessingTools.ConvolutionFilter</a>.</p>

</div>
</div>
<a class="anchor" id="a5ebb24e3c2cfc8a0ad17ec996f76fa71"></a>
<div class="memitem">
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          <td class="memname">override int ImageProcessingTools.SobelHorizontalFilter.Height</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">get</span></span>  </td>
  </tr>
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<p>Gets the value 3 which is the height of the filter. </p>

<p>Reimplemented from <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#afd201a517a241fa1ec49ad050bb5b026">ImageProcessingTools.ConvolutionFilter</a>.</p>

</div>
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<a class="anchor" id="a3f092515d5fabd9515e2790125206ced"></a>
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          <td class="memname">override int ImageProcessingTools.SobelHorizontalFilter.Width</td>
        </tr>
      </table>
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<span class="mlabels"><span class="mlabel">get</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>Gets the value 3 which is the width of the filter. </p>

<p>Reimplemented from <a class="el" href="class_image_processing_tools_1_1_convolution_filter.html#a1e948c19acff5e1b85bbd2c4550c6308">ImageProcessingTools.ConvolutionFilter</a>.</p>

</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>D:/Migue/Code/FingerprintRecognition/CodeProject/[2012-05-16] FingerprintRecognition/FingerprintRecognition/ImageProcessingTools/ConvolutionFilters/SobelHorizontalFilter.cs</li>
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Written By
Tecnológico de Monterrey
Mexico Mexico
I received my B.S. and M.S. degrees from the University of Ciego de Ávila, Cuba, in 2007 and I received my PhD. degree in 2014 from the National Institute of Astrophysics, Optics and Electronics (INAOE), Mexico.

I have developed software to solve pattern recognition problems. A successful example is the algorithm DMC which is the most accurate (according to EER) among those which compare both fingerprints and palmprints in the international competition FVC-onGoing.

I have been involved in several research projects about pattern recognition and I have published tens of papers in referenced journals such as "Pattern Recognition," "Knowledge-Based Systems," "Information Sciences", and "IEEE Transactions on Information Forensics and Security."

Written By
Cuba Cuba
Milton García-Borroto is graduated from Las Villas Central University, Cuba, in 2000. He received the M.S. degree in 2007 from the National Institute of Astrophisics, Optics and Electronics, Mexico, where he continues his studies toward a Ph.D. degree. His research interests are pattern recognition and biometry.

Relevant papers:
1. M. García-Borroto, J. F. Martinez Trinidad, J. A. Carrasco Ochoa, M. A. Medina-Pérez, and J. Ruiz-Shulcloper. LCMine: An efficient algorithm for mining discriminative regularities and its application in supervised classification. Pattern Recognition vol. 43, pp. 3025-3034, 2010.
2. M. García-Borroto, J. F. Martinez Trinidad, J. A. Carrasco Ochoa. A New Emerging Pattern Mining Algorithm and Its Application in Supervised Classification. M.J. Zaki et al. (Eds.): PAKDD 2010, Part I, Lecture Notes in Artificial Intelligence, vol. 6118, pp. 150–157, 2010.
3. M. A. Medina-Pérez, A. Gutiérrez-Rodríguez, and M. García-Borroto, "Improving Fingerprint Matching Using an Orientation-Based Minutia Descriptor," Lecture Notes in Computer Science, vol. 5856, pp. 121-128, 2009.
4. M. García-Borroto, Y. Villuendas-Rey, J. A. Carrasco-Ochoa, and J. F. Martínez-Trinidad, "Finding Small Consistent Subset for the Nearest Neighbor Classifier Based on Support Graphs," Lecture Notes in Computer Science, vol. 5856, pp. 465-472, 2009.
5. M. García-Borroto, Y. Villuendas-Rey, J. A. Carrasco-Ochoa, and J. F. Martínez-Trinidad, "Using Maximum Similarity Graphs to Edit Nearest Neighbor Classifiers," Lecture Notes in Computer Science, vol. 5856, pp. 489-496, 2009.
6. M. A. Medina-Pérez, M. García-Borroto, and J. Ruiz-Shulcloper, "Object Selection Based on Subclass Error Correcting for ALVOT," Lecture Notes in Computer Science, vol. 4756, pp. 496-505, 2007.

Andres Eduardo Gutierrez Rodriguez is graduated from Las Villas Central University, Cuba, in 2006. He received the M.S. degree in 2009 from the University of Ciego de Ávila, Cuba. His research interests are pattern recognition and biometry.

Relevant papers:

-M. A. Medina-Pérez, A. Gutiérrez-Rodríguez, and M. García-Borroto, "Improving Fingerprint Matching Using an Orientation-Based Minutia Descriptor," Lecture Notes in Computer Science, vol. 5856, pp. 121-128, 2009.
-A. E. Gutierrez-Rodriguez, M. A. Medina-Perez, J. F. Martinez-Trinidad, J. A. Carrasco-Ochoa, and M. Garcia-Borroto, "New Dissimilarity Measures for Ultraviolet Spectra Identification," Lecture Notes in Computer Science, vol. 6256, pp. 220-229, 2010.

Written By
Program Manager
Spain Spain
Octavio Loyola-González received his PhD degree in Computer Science from the National Institute for Astrophysics, Optics, and Electronics, Mexico. He has won several awards from different institutions due to his research work on applied projects; consequently, he is a Member of the National System of Researchers in Mexico (Rank1). He worked as a distinguished professor and researcher at Tecnologico de Monterrey, Campus Puebla, for undergraduate and graduate programs of Computer Sciences. Currently, he is responsible for running Machine Learning & Artificial Intelligence practice inside Stratesys., where he is involved in the development and implementation using analytics and data mining. He has outstanding experience in the fields of big data & pattern recognition, cloud computing, IoT, and analytical tools to apply them in sectors where he has worked for as Banking & Insurance, Retail, Oil&Gas, Agriculture, Cybersecurity, Biotechnology, and Dactyloscopy. From these applied projects, Dr. Loyola-González has published several books and papers in well-known journals, and he has several ongoing patents as manager and researcher in Stratesys.

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