By David Zhang, Anil K. Jain
This ebook constitutes the refereed complaints of the foreign convention on Biometrics, ICB 2006, held in Hong Kong, China in January 2006.
The 104 revised complete papers awarded have been conscientiously reviewed and chosen from 192 submissions. Biometric standards coated by means of the papers are assigned to stand, fingerprint, iris, speech and signature, biometric fusion and function evaluate, gait, keystrokes, and others. moreover the result of the Face Authentication festival (FAC 2006) also are introduced during this volume.
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Extra resources for Advances in Biometrics, ICB 2006
16) where el, ez and e3 denote the vectors (1,0,0) r, (0,1,0) r and (0,0,1) r respectively. 17) To describe p vq, a parametric equation is sometimes more suitable than the description with homogeneous coordinates. 16) will do). It is also important to know that in the case of hOE2 the coordinates of some special points are known "by default". 17) and the two distinct ideal points but it is also clear that [(0,0,1)] r should be the result). It can be of interest to see what the ideal point of a given line is, provided that two of its affine points, say p@IPR3 and q~_IPR3, are given.
It has to be stressed that the ISO 3D documents do not state that the view transformation should be of the format described above. Not all projective transformations transform such a view frustrum onto a regular cube; there might be more complicated ones as well (eg the planes describing the view volume might not be parallel to the view plane). The user of a GKS-3D/PHIGS system has the possibility to specify any kind of 4• matrix as a view transformation and the system should be able to deal with it.
25, this is not possible (p and q are considered to be different points of/pE2). If pAp ~ 0, ix ~ 0 may be considered; if this were not the case, then ~. = 0 would also hold, which is impossible. Similarly, if qAq ~ 0 then ~. ~ 0. 49) 48 clearly, this equation (in L/ix) may have 0, 1 or 2 solutions; by solving it one also gets an explicit value for the (possible) intersection point(s). 9 The relationship between lines and conics has a very important consequence, as the theorem can be applied to a special case to get a simple means of classification for conics.
Advances in Biometrics, ICB 2006 by David Zhang, Anil K. Jain