1. 1. R. Sanchez-Reillo, C. Sanchez-Avila, and A. GonzalezMacros, ―Biometric identification through hand geometry measurements,‖ IEEE Trans. Pattern Anal. Mach. Intell., vol. 22, no. 10, pp. 168–1171, Oct. 2000.
   2. A. K. Jain, A. Ross, and S. Pankanti, ―A prototype hand geometrybased verification system,‖ in Proc. AVBPA, Washington, DC, Mar. 1999, pp. 166–171
   3. A. Kumar, D. C. M.Wong, H. C. Shen, andA. K. Jain, ―Personal verification using palmprint and hand geometry biometric,‖ in Proc. AVBPA, Guildford, U.K., 2003, pp. 668–675.
   4. S.Malassiotis, N. Aifanti, andM. G. Strintzis, ―Personal authentication using 3-D finger geometry,‖ IEEE Trans. Inf. Forensics Security, vol. 1, no. 1, pp. 12–21, Mar. 2006.
   5. N. Otsu, ―A threshold selection method from gray-level histograms,‖ IEEE Trans. Syst., Man, Cybern., vol. 9, no. 1, pp. 62–66, Jan. 1979
   6. Minolta Vivid 910 Noncontact 3D Digitizer 2008 [Online]. Available: http://www.konicaminolta.com/instruments/products/3d/no n-contact/ vivid910/index.html
   7. C. Oden, A. Ercil, and B. Buke, ―Hand recognition using implicit polynomials and geometric features,‖ Pattern Recognit. Lett., vol. 24, no. 13, pp. 2145–2152, 2003
   8. W. Xiong, K. A. Toh, W. Y. Yau, and X. Jiang, ―Model-guided deformable hand shape recognition without positioning aids,‖ Pattern Recognit., vol. 38, no. 10, pp. 1651–1664, Oct. 2005
   9. S. Ribaric and I. Fratric, ―A biometric identification system based on eigenpalm and eigenfinger features,‖ IEEE Trans. Pattern Anal. Mach. Intell., vol. 27, no. 11, pp. 1698–1709, Nov. 2005.
   10. W. H. Press, S. A. Teukolsky, W. T. Vetterling, and B. P. Flannery, Numerical Recipes: The Art of Scientific Computing. Cambridge, U.K.: Cambridge Univ. Press, 2007
   11. Savitzky-Golay Filters for 2D Images 2008 [Online]. Available: http:// research.microsoft.com/enus/um/people/jckrumm/savgol/savgol.htm
   12. Savitzky-Golay Filters for 2D Images 2008 [Online]. Available: http:// research.microsoft.com/enus/um/people/jckrumm/savgol/savgol.htm
   13. A. Kumar and Ch. Ravikanth, ―Personal authentication using finger knuckle surface,‖ IEEE Trans. Inf. Forensics Security, vol. 4, no. 1, pp. 98–110, Mar. 2009.
   14. Y. L. Lay, ―Hand shape recognition,‖ Opt. Laser Technol., vol. 32, no. 1, pp. 1–5, 2000
   15. K. I. Chang, K. W. Bowyer, and P. J. Flynn, ―An evaluation of multimodal face biometrics,‖ IEEE Trans. Pattern Anal. Mach. Intell., vol. 27, no. 4, pp. 619–624, Apr. 2005.
   16. H. Chen and B. Bhanu, ―Human ear recognition in 3D,‖ IEEE Trans. Pattern Anal. Mach. Intell., vol. 29, no. 4, pp. 718–737, Apr. 2007.
   17. D. L. Woodard and P. J. Flynn, ―Finger surface as a biometric identifier,‖ Comput. Vis. Image Understand., vol. 100, no. 3, pp. 357–384, Dec. 2005.
   18. E. Yörük, E. Konukoglu, B. Sankur, and J. Darbon, ―Shape-based hand recognition,‖ IEEE Trans. Image Process., vol. 15, no. 7, pp. 1803–1815, Jul. 2006
   19. G. Zheng, C. J. Wang, and T. E. Boult, ―Application of projective invariants in hand geometry biometrics,‖ IEEE Trans. Inf. Forensics Security, vol. 2, no. 4, pp. 758– 768, 2007.
   20. G.Amayeh, G. Bebis, A.Erol, andM. Nicolescu, ―Pegfree hand shape verification using high order Zernike moments,‖ in Proc. CVPR 2006, New York, 2006.
   21. H. Chen, H. Valizadegan, C. Jackson, S. Soltysiak, and A. K. Jain, ―Fake hands: Spoofing hand geometry systems,‖ in Biometric Consortium 2005, Washington, DC, 2005.
   22. A. Kumar and D. Zhang, ―Hand geometry recognition using entropybased discretization,‖ IEEE Trans. Inf. Forensics Security, vol. 2, no. 2, pp. 181–187, Jun. 2007.
   23. D. P. Sidlauskas and S. Tamer, ―Hand geometry recognition,‖ in Handbook of Biometrics,A.K. Jain, P. Flynn, andA.Ross, Eds. NewYork: Springer, 2008.