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Topic: Help Isolating the red dot
Replies: 3   Last Post: Feb 29, 2012 10:03 AM

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Walter Roberson

Posts: 7,673
Registered: 1/20/06
Re: Help Isolating the red dot
Posted: Nov 28, 2010 12:40 PM
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On 28/11/10 10:47 AM, Bryan wrote:
> "Bryan " wrote in message <icu0dj$9uc$1@fred.mathworks.com>...
>> For whatever reason I can't seem to isolate the red dot in this
>> picture:


>> I can't just filter it based on location because the laser will be
>> moving,


> I've tried filtering it based
> on color but it's actually mostly white so that didn't work very well.


There's a contradiction in there. Lasers are monochromatic --
*extremely* monochromatic. They cannot be white, as white is, by
definition, composed of a mix of frequencies.



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