Color images

Posted by Philippe GENDRE on Oct 16, 2013; 7:55am
URL: http://imagej.273.s1.nabble.com/Color-images-tp5005197.html

Dear List,

Recently I posted some practical questions about retrieving and thresolding
color images. My need is to differentiate yellow pixels of gold area from
white grey pixels of nickel areas. I am currently using a color camera and
I came to the conclusion that the best practice is to sort the pixels :
-  the yellow ones (gold areas) are those with the intensity of the red
channel  higher than the intensity of the blue (and green) channel
- the grey/white ones (nickel) are the others.

I would ask the list to be sure that this approach is the best or if
another approach has to be considered.

Best,

Philippe

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