July 2002
Intermediate to advanced
432 pages
18h 48m
English
book
Level of Detail for 3D Graphics
by David Luebke, Martin Reddy, Jonathan D. Cohen, Amitabh Varshney, Benjamin Watson, Robert Huebner
Content preview from Level of Detail for 3D Graphics
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8.2 Some Perceptually Motivated LOD Criteria 237
Figure 8.3
Illustrating the depth of field of two objects. Object A lies within Panum's fusional
area and is perceived in focus, whereas object B is blurred [Ohshima 96].
Here, A4~ = 14~ - 4~01, where 4~0 is the angle of convergence for the fixation point, 4~
is the angle toward the object, b is the threshold width of the fusional area (assigned
the value 0 degrees), and c 3 is a scaling parameter (assigned 0.62 degrees).
Of course, depth of field LOD is most appropriate for stereoscopic displays in
which separate images are presented to the user's left and right ...
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