1. Birchfield, S.: Elliptical head tracking using intensity gradients and color histograms. In: Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, June 23-25, pp. 232–237. IEEE, Stanford University (1998)
2. Dionisio, C.R.P., Cesar Jr., R.M.: A project for hand gesture recognition. In: Symposium on Computer Graphics and Image Processing, p. 345. IEEE, Sao Paulo University (2000)
3. Desimone, R., Albright, T.D., Gross, C.G., Bruce, C.: Stimulus-Selective Properties in Inferior Temporal Neurons in the Macaque. Journal of Neuroscience 4(8), 2051–2062 (1984)
4. Dix, A., Finlay, J.E., Abowd, G.D., Beale, R.: Human-Computer Interaction, 3rd edn. Peaeson, New Delhi (2003)
5. Freeman, W.T., Anderson, D.B., Beardsley, P.A., Dodge, C.N., Roth, M., Weissman, C.D., Yerazunis, W.S.: Computer Vision for Interactive Computer Graphics. In: Computer Graphics and Applications. IEEE Computer Graphics and Applications, pp. 42–53 (May-June 1998)