run("URL...", "url=http://rsb.info.nih.gov/ij/macros/images/cells.tif"); run("Duplicate...", "title=cells-1.tif"); run("Gaussian Blur...", "sigma=1.5"); run("Subtract Background...", "rolling=25"); setAutoThreshold(); run("Convert to Mask"); run("Watershed"); setThreshold(255, 255); run("Analyze Particles...", "size=100 circularity=0 add summarize"); run("Tile");