Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal Hello Claire - Maybe you can try defocusing to see if the cells stand out better and can be segmentated by brightness. - Mike Model ________________________________ From: Confocal Microscopy List on behalf of Claire Brown Sent: Wed 5/2/2007 9:56 AM To: [log in to unmask] Subject: Counting Cells in Brightfield Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal I have a user interested in using metamorph to count cells in DIC/brightfield. There is not a lot of contrast between the cells and the background. How do people manage to count with these kinds of images? Sincerely, Claire _________________________________________________________________ Claire M. Brown, PhD Life Sciences Complex Imaging Facility Director McGill University Department of Biochemistry http://www.lifesciencescomplex.mcgill.ca/imaging <http://www.lifesciencescomplex.mcgill.ca/imaging> <http://www.lifesciencescomplex.mcgill.ca/>