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From: makc <makc.the.gr...@gmail.com>
Date: Thu, 23 Apr 2009 10:31:58 -0700 (PDT)
Local: Thurs, Apr 23 2009 1:31 pm
Subject: Re: jitter cause, again
On Apr 22, 10:45 pm, makc <makc.the.gr...@gmail.com> wrote:
> ...I still have an idea or two to
ok, one idea is now tested. I was thinking, if Blair is right about
> try. I will report back positive results (or none). this problem caused primrily by fluctuating size of white square after application of fixed threshold to grayscale image, then maybe adapting threshold to average local brightness in grayscale image would result in more stable blob and reduce jitter. Well, it did not really helped to reduce jitter, but it did improved detection under changing lighting, check it out: http://www.youtube.com/watch?v=_JBdLq0QT6g
the downside of adaptive filter is, however, that it notices much more
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