DiegoVelasquez-FaceRecognition

DiegoVelasquez-FaceRecognition - 8/1/11 Face Recognition: A...

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Click to edit Master subtitle style 8/1/11 Face Recognition: A Literature Survey By: W. Zhao, R. Chellappa, P.J. Phillips, and A. Rosenfeld Presented By: Diego Velasquez
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8/1/11 Contents Introduction Why do we need face recognition? Biometrics Face Recognition by Humans Challenge in Face Recognition Variation in pose
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8/1/11 Why do we need it? Easy way to discover criminals Video Surveillance Portal Control Investigations Smart Cards Devices log-on
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8/1/11 Biometrics Consists of methods for uniquely recognizing humans based upon one or more intrinsic physical or behavioral traits. In computer science, in particular, biometrics is used as a form of identity access management and access control. It is also used to identify individuals in groups that are under
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8/1/11 Face recognition by humans Relevant studies in psychophysics and neuroscience that will help with the design of face recognition systems: People remember faces more easy than other objects. People focus in odd features (eg. Hears). People rank facial features.
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8/1/11 Challenge in Face Recognition Illumination variation Images of the same face look different because the change of the light. Pose Variation Same face in different angles could give a different output.
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8/1/11 Early work Use techniques base on 2D pattern recognition. Use measured attributes of features (distance-measuring algorithms). These determined the distances between important features like eyes and compared these distances to the distances on known faces in
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8/1/11 Modern Work Appearance-based model, heavily tested with large databases, with positive outcomes. Feature-based models has been successful as well, and more accurate in the two challenges( light and pose variation) Techniques for feature extraction are not adequate, for example, it won’t detect if an
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8/1/11 Aspects of face recognition
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DiegoVelasquez-FaceRecognition - 8/1/11 Face Recognition: A...

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