Download PDF by David Zhang: 3D Biometrics: Systems and Applications

By David Zhang

ISBN-10: 1461473993

ISBN-13: 9781461473992

ISBN-10: 1461474000

ISBN-13: 9781461474005

Automatic own authentication utilizing biometric info is changing into extra crucial in purposes of public safety, entry keep watch over, forensics, banking, and so forth. Many different types of biometric authentication suggestions were built in response to diverse biometric features. despite the fact that, lots of the actual biometric acceptance options are in accordance with dimensional (2D) photographs, although human features are 3 dimensional (3D) surfaces. lately, 3D options were utilized to biometric purposes akin to 3D face, 3D palmprint, 3D fingerprint, and 3D ear attractiveness. This publication introduces 4 general 3D imaging equipment, and offers a few case stories within the box of 3D biometrics. This publication additionally contains many effective 3D characteristic extraction, matching, and fusion algorithms. those 3D imaging tools and their functions are given as follows: - unmarried view imaging with line structured-light: 3D ear identity - unmarried view imaging with multi-line structured-light: 3D palmprint authentication - unmarried view imaging utilizing merely 3D digital camera: 3D hand verification - Multi-view imaging: 3D fingerprint acceptance 3D Biometrics: structures and Applications is a complete creation to either theoretical matters and useful implementation in 3D biometric authentication. it's going to function a textbook or as an invaluable reference for graduate scholars and researchers within the fields of computing device technological know-how, electric engineering, structures technological know-how, and data know-how. Researchers and practitioners in and R&D laboratories engaged on protection process layout, biometrics, immigration, legislations enforcement, keep an eye on, and trend popularity also will locate a lot of curiosity during this book.

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Additional info for 3D Biometrics: Systems and Applications

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However, these scanners are always expensive and not convenient to be assembled as part of a complete system for real applications. 1a).

Technical report MSU-CSE-05-22, Michigan State University. 8839 Maev RG, Bakulin EY, Maeva EY, Severin FM (2009) High resolution ultrasonic method for 3D fingerprint representation in biometrics. Acoust Imaging 29:279–285. 1007/978-1-4020-8823-0_39 McMillan L, Gortler S, Buehler C, Matusik W, Raskar R (2000) Image-based visual hulls. In: Proceedings of the 27th annual conference on computer graphics and interactive techniques, pp 369–374. 344951 References 33 Naemura T, Tago J, Harashima H (2002) Real-time video-based modeling and rendering of 3D scenes.

The partial derivatives of this quadric r(u, w) are defined as follows ru = ∂r ∂r ∂r ∂r , rv = , ruu = , ruv = . 5) where E = ru·ru; G = ru·rv; L = ruu·N; M = ruv·N; N = rvv·N. According to principal of space analytic geometry, we have Gaussian_curavature = Mean_curvature = LN − M 2 , EG − F 2 EN + GL − 2FM . 5 Distances in the developed surface approximation Fig. 6 Ear segmentation based on compound curvature. a Original 3D profile model. b Gaussian smooth. c Curvature approximation. d Ear after segmentation Curvature estimation is sensitive to noise.

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3D Biometrics: Systems and Applications by David Zhang

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