Re: Dual Video Camera Convergence Points

[Gregg_Podnar@xxxxxxxxxxxxxxxxx]

Andrew Woods writes with respect to parallel video cameras:
> ... convergence [by moving the video images as displayed on the screen]
> ... is not possible with video without some special digital video
> processing hardware (even I don't have that - yet),...

This option is available in the StereoGraphics View/Record system.  With some
limits, the displayed images may be moved horizontally (and vertically) with
respect to each other, and the edges are 'cropped' in the electronics.

Rather than refer to a "convergence point" in a parallel camera system, we
use the term "coincidence".  The "area of coincidence" can be equated to 
the "stereo window" of parallel film cameras.  This avoids confusion with
the 'convergence' of toed-in cameras (or converged eyes).

(We have just completed a geometrically correct miniature video camera which
 provides 3.75 times magnification in x,y, and z.  This provides a very natural
 enlarged view of small objects.  It does suffer from barrel distortion due
 to the lenses.  (Soon I'll put a few pairs up on my web page.))
                                                        Gregg


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