Re: Color Correction for Underwater Photos
Posted by
Kurt Thorn on
Feb 17, 2016; 6:14pm
URL: http://imagej.273.s1.nabble.com/Color-Correction-for-Underwater-Photos-tp5015660p5015662.html
On 2/17/2016 8:19 AM, klesneski wrote:
> Hi everyone,
> I am doing some analyses of tissue color of corals that I took with an
> underwater camera. I am trying to see if there are differences in tissue
> color among colonies. My idea is to use the color histograms of the selected
> colonies. In each image, I have a color standard card, placed next to the
> coral colony. One of the reasons why we include this card is because red
> light is attenuated with depth, so objects and images appear more blue the
> deeper you are, and the coral colonies are all at different depths. We know
> the RBG values of the color on the card. I am wondering if anyone has
> experience or advice on how I could use this color standard card in ImageJ
> to perform a sort of correction before using color histograms?
> Many thanks,
> KL
You may want to look into a color management system. I experimented a
little with this a while ago:
http://nic.ucsf.edu/blog/?p=1151Kurt
--
Kurt Thorn
Associate Professor
Director, Nikon Imaging Center
http://thornlab.ucsf.edu/http://nic.ucsf.edu/blog/--
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