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From: bobp@amiga.UUCP (Robert S. Pariseau)
Newsgroups: net.micro.amiga
Subject: Re: Making Interlace usable (wrt: flicker)
Message-ID: <1151@amiga.amiga.UUCP>
Date: Tue, 13-May-86 13:42:53 EDT
Article-I.D.: amiga.1151
Posted: Tue May 13 13:42:53 1986
Date-Received: Thu, 15-May-86 04:52:06 EDT
References: <234@cositex.UUCP>
Reply-To: bobp@snake.UUCP (Robert S. Pariseau)
Distribution: net
Organization: Commodore-Amiga Inc., 983 University Ave #D, Los Gatos CA 95030
Lines: 12

It's not the squinting or the polarization that does it per se.  It's
the reduction in overall brightness.

Your ability to perceive flicker goes down as the overall brightness
(display plus background room light) goes down.  This is one reason
why you find a lot of CAD machines in dark rooms.

You'd probably get the same improvement with un-polarized sunglasses.

Flicker perception also decreases as image contrast decreases.  This
is kind of hard to quantify in a color image, but it is basically why
fiddling around with the colors helps alot.