Download Advanced Studies in Biometrics: Summer School on Biometrics, by J. Bigun, J. Fierrez-Aguilar, J. Ortega-Garcia, J. PDF

By J. Bigun, J. Fierrez-Aguilar, J. Ortega-Garcia, J. Gonzalez-Rodriguez (auth.), Massimo Tistarelli, Josef Bigun, Enrico Grosso (eds.)

Automatic individual authentication, the identity and verification of anyone as such, has more and more been said as an important point of varied protection purposes. a variety of popularity and id structures were according to biometrics using biometric beneficial properties comparable to fingerprint, face, retina scans, iris styles, hand geometry, DNA strains, gait, and others.

This e-book originates from a global summer season college on biometrics, held in Alghero, Italy, in June 2003. The seven revised instructional lectures by means of major researchers introduce the reader to biometrics-based individual authentication, fingerprint reputation, gait popularity, quite a few facets of face attractiveness and face detection, topologies for biometric popularity, and hand detection. additionally integrated are the 4 most sensible chosen pupil papers, all facing face recognition.

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Extra resources for Advanced Studies in Biometrics: Summer School on Biometrics, Alghero, Italy, June 2-6, 2003. Revised Selected Lectures and Papers

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Boyd uses a phasor (Fig. 12), a complex number that represents a rotating vector, to represent the magnitude and phase of the oscillations at each pixel. Thus, once the PLL synchronization occurs, one can construct a complex image of phasors in which each pixel indicates the extent to which there are oscillations and the relative timing of the oscillations (Fig. 13). Procrustes shape analysis [43, 36] (Fig. 14) is a method for the statistical comparison of shapes represented as complex vectors.

In: IEEE Frame Rate Workshop. : Adaptive background mixture models for real-time tracking. In: Computer Vision and Pattern Recognition 99. Volume II. : A hierarchical approach to robust background subtraction using color and gradient information. : The cmu motion of body (mobo) database. : Learning spatiotemporal models from training examples. : Performance of optical flow techniques. : Robot Vision. : An iterative image registration technique with an application to stereo vision. In: International Joint Conference on Artificial Intelligence.

For this reason, images in a gait sequence tend to be similar to other images in the sequence when separated in time by the period of the gait (the time between left foot strikes) and half the period (the time between left and right foot strikes). Fig. 11 illustrates this point. Ben-Abdelkader et al. [38] exploit this self similarity to create a representation of gait sequences that is useful for gait recognition. , pixel (i, j) in the self-similarity image indicates the similarity of the images at times ti and tj .

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