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Approved-By: [log in to unmask] Content-Type: text/plain; charset=us-ascii Message-ID: <[log in to unmask]> Date: Mon, 11 Aug 2008 10:59:03 -0700 Reply-To: ImageJ Interest Group <[log in to unmask]> Sender: ImageJ Interest Group <[log in to unmask]> From: elambeth <[log in to unmask]> Subject: Excluding black (255) from an imageI am working with red stained images of frog liver. There are pigment cells in the liver that are black, and should not count for the quantification of the red stain. I want to know the mean gray value of the red pixels, and I know this is on the histogram, but I do not know how to exclude the black pigment cells from the histogram (basically I want a histogram of the red stain only). Is there any way to exclude the black? Emily Lambeth, Graduate Student Department of Biological Sciences Notre Dame University -- View this message in context: http://n2.nabble.com/Excluding-black-%28255%29-from-an-image-tp686464p686464.html Sent from the ImageJ mailing list archive at Nabble.com.
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