Posted by
Colin Rickman-3 on
Feb 04, 2010; 3:52pm
URL: http://imagej.273.s1.nabble.com/RGB-Imaging-tp3689504p3689507.html
Hi
The displayed colour of the individual R, G and B slices is not
important. The shades of grey you see in the image contain the intensity
value for the respective channel (R, G or B). If you recombined them you
would end up back with the original image.
Colin
Dr Colin Rickman
Department of Chemistry (WP 2.03)
School of Engineering and Physical Sciences
Heriot-Watt University
Edinburgh
EH14 4AS
Tel: +44 131 4514193 (Office)
Tel: +44 131 6511512
Fax: +44 131 6503128
On 04/02/2010 15:45, jspecs wrote:
> Michael,
>
>
>
> just read the documentation to get a few ideas what could be done:
>
> Image>Color>Split Channels
> Analyze>Histogram for each of the channels
>
> or
>
> Image>Type>HSB stack
> Analyze>Histogram for each of the stack slices.
> Especially the hue slice will be of interest to detect a change of
> hue (see
http://en.wikipedia.org/wiki/HSV_color_space if you are not
> familiar with HSB)
>
>
> I have tried what you mentioned, but both techniques seem to generate
> slices/channels with varying shades of black, gray, or white. This makes me
> think that the histogram will just generate its results based on brightness
> as opposed to RGB. Am I wrong?
>
>
>
>