[photo-3d] Re: LCS systems

[Jim Crowell <jcrowell@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

> vibrancy. I thought that this initial brightness drop in the interlaced mode
> was an issue of overloading the video signal and I asked the tech support.
> The answer (below) did not address the question (I still don't know why LCS
> setting would cause the monitor screen to go dim):
> 
> ==================================
> ----- Original Message -----
> From: Thomas Tamayo
> Sent: Thursday, September 28, 2000 5:57 PM
> Subject: RE: H3D Cruiser Wired Internet Viewer
> 
> The other is that
> when you are viewing through the eye that is not blocked, you are getting
> the image at half resolution, with scan lines, so the image is 50% dimmer.
> Try increasing the resolution and refresh rate if you can, to help get the
> image brighter. Also adjust your monitor.

The interlaced-format LCS glasses hide the image from the non-viewing eye by
literally blanking alternating scan lines.  So if on one frame you're
looking at the image in the even-numbered lines, then on that frame the
odd-numbered lines are black.  Hence you're losing (on average) half the
light.

-Jim C.


-------------------------------------
Jim Crowell, Ph.D.
Dept. of Psychology
Cognitive/Experimental Group
Townshend Hall
1885 Neil Ave. Mall
Ohio State University
Columbus, OH 43210
mailto:crowell@xxxxxxxxxxxxxxxxx
mailto:crowell@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
mailto:crowell.20@xxxxxxx
http://vision-lab.psy.ohio-state.edu/crowell/