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Automated Face Detection and Recognition

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Waldir Pimenta
Waldir Pimenta
Technologie
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Automated Face Detection and Recognition A Survey Waldir Pimenta [email_address] Universidade do Minho Mestrado em Informática MI-STAR 2010
Face Detection Locating generic faces in images ©2009 Angelo State University
Face Detection: applications ,[object Object],[object Object],[object Object],©2009 Google ,[object Object]
Face Recognition Distinguishing a specific face from other faces ©2009 TotallyLooksLike.com
Face Recognition: applications ,[object Object],""Minority Report" ©2002 20th Century Fox Superbad" ©2007 Columbia Pictures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Humans vs. Computers ,[object Object],[object Object],[object Object],© SingularityHub.com ,[object Object],[object Object],[object Object],[object Object]
Computer representation of faces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
PCA: Principal component analysis ,[object Object],[object Object],[object Object],cc-by  Lydia E. Kavraki <cnx.org/content/m11461/>
What defines a &quot;match&quot;? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The distance theshold ,[object Object],[object Object],©  1991 M. Turk and A. Pentland
The ROC curve ,[object Object],[object Object],[object Object],© 2007 Y. Du and C.-I. Chang &quot;Handbook of Fingerprint Recognition&quot; © 2004 D. Maltoni et al.
Some history... Francis Galton (1888) Designed a biometric system for description and identification of faces © 2007 University of Texas at Austin Public Domain Woody Bledsoe (1964) First implementation of automatic facial recognition in a mug shot database. ,[object Object],[object Object],[object Object],[object Object]
Classification Zhao et al. , 2003: “ [The facial recognition problem has] attracted researchers from very diverse backgrounds: psychology, pattern recognition, neural networks, computer vision, and computer graphics. ”   geometric (feature based) × photometric (image based) detection × recognition pre-processing 3D Video
Pre-processing ,[object Object],[object Object],[object Object],[object Object],[object Object],© Brunelli and Poggio 1993 © Reisfeld et al. , 1995
Eigenfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],© AT&T Laboratories
Fisherfaces ,[object Object],[object Object],©1997 Belhumeur et al. ,[object Object],[object Object]
Neural networks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],cc-by-sa Cburnett <commons.wikimedia.org>
Gabor wavelets ,[object Object],[object Object],[object Object],GFDL Wikimedia Commons © Wiskott et al. 1997
Active Shape/Appearance Models ,[object Object],[object Object],[object Object],©2001 Cootes et al.
3D ,[object Object],[object Object],[object Object],[object Object],©2006 Bowyer et al. ,[object Object],[object Object],[object Object]
Video ,[object Object],[object Object],[object Object],[object Object],[object Object],©2010 Christian Rakete <http://www.dorfpunks.de>
Comparison ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Questions?

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Automated Face Detection and Recognition

  • 1. Automated Face Detection and Recognition A Survey Waldir Pimenta [email_address] Universidade do Minho Mestrado em Informática MI-STAR 2010
  • 2. Face Detection Locating generic faces in images ©2009 Angelo State University
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  • 4. Face Recognition Distinguishing a specific face from other faces ©2009 TotallyLooksLike.com
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  • 13. Classification Zhao et al. , 2003: “ [The facial recognition problem has] attracted researchers from very diverse backgrounds: psychology, pattern recognition, neural networks, computer vision, and computer graphics. ”   geometric (feature based) × photometric (image based) detection × recognition pre-processing 3D Video
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