Computer Vision Pattern Recognition

Advances in biometrics by N. K. Ratha, Venu Govindaraju

By N. K. Ratha, Venu Govindaraju


Biometrics expertise keeps to stride ahead with its wider recognition and its genuine want in a variety of new defense points of contemporary society. From easily going online to a pc to crossing the border of a rustic, biometrics is being referred to as upon to satisfy the starting to be demanding situations of identification management.

With contributions from academia and via best foreign specialists within the box, this specific ebook offers a entire therapy of biometrics and gives insurance of the total gamut of subject matters within the box, together with facts acquisition, pattern-matching algorithms, and matters that effect on the method point, corresponding to criteria, defense, networks, and databases. it's been equipped below 3 sections: sensors, advances in biometric matching algorithms, and themes that care for concerns on the structures level.

Key positive factors:

• contains new algorithmic advances, together with physiological biometrics (face from video, iris at a distance) and behavioral (handwriting, voice) and a strikingly novel modality in headprint biometrics

• comprises new modalities for learn, equivalent to infrared and multispectral imaging

• provides numerous chapters at the a lot ignored sector in relation to the sensors themselves for a number of the biometric modalities

• Emphasizes the advances and state-of-the-art applied sciences throughout

• Discusses structures point either from a human-factors standpoint and the point of view of networking, databases, privateness and anti-spoofing

• accommodates chapters dedicated to touchless photograph catch, ultrasonic imaging and swipe methods

Written for researchers and complicated scholars, this a lot wanted concise quantity is a perfect software to take advantage of as a prepared reference and captures the very most recent in cutting-edge learn, offering readers with a broader and deeper knowing of the topic.

Dr Nalini ok. Ratha is a study employees Member on the IBM Thomas J. Watson study middle, long island. He co-edited the profitable Automatic Fingerprint acceptance Systems and in addition co-authored A advisor to Biometrics choice and method Design

Professor Venu Govindaraju is Director on the heart for Unified Biometrics and Sensors (CUBS), college at Buffalo, nation college of recent York.

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Extra resources for Advances in biometrics

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31, No. 11, pp. 1794. C. E. (2002) Digital Image Processing. Prentice Hall Upper Saddle river, NJ. Gruen, A. A. ) (2001) Calibration and Orientation of Cameras in Computer Vision. Springer-Verlag, Berlin, 2001. Hartley, R. and Zisserman, A. (2003) Multiple View Geometry in Computer Vision. Cambridge University Press, UK. P. (2005) Method and Device for Collecting Biometric Data. Patent PCT/DE2004/002026. , and Paar, G. (2005) Method and Arrangement for Optical Recording of Biometric Data. Patent PCT/DE2004/002026.

5). 6, a comparison of the same fingerprint portion acquired by a touchless device and a touch-based optical sensor is highlighted. , valleys appear to be darker than ridges). Light sources should be placed as close as possible to the detector, so that the light rays are as much as possible perpendicular to the finger skin and the majority of the light is reflected back to the sensor chip. This reduces the shadowing effect caused by the 3D ridge–valley structure. 7). Hence, when ridges are then extracted using legacy-commercial fingerprint algorithms, a set of pixels representing the valleys belongs in reality to the adjacent ridge.

And Paar, G. (2005) Method and Arrangement for Optical Recording of Biometric Data. Patent PCT/DE2004/002026. K. and Pankanti, S. (2001) Automated Fingerprint Identification and Imaging Systems. Advances in Fingerprint Technology, 2nd Ed. (H. C. Lee and R. E. Gaensslen), CRC Press, Boca Raton, FL. , and Bolle, R. (1997) On-line fingerprint verification. PAMI, Vol. 19, No. 4, pp. 302–313. , and Axel M. (2005) Dynamic threshold using polynomial surface regression with application to the binarization of fingerprints.

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