// Remove_Background_Median script by Christophe Leterrier
// substract a 50-pixels median filtered image to the input image

importClass(Packages.ij.IJ);
importClass(Packages.ij.plugin.ImageCalculator);


medianWidth = 50;
imp = IJ.getImage();
title = imp.getTitle();
bitDepth = imp.getBitDepth();
impf = imp.duplicate();
IJ.run(impf, "Median...", "radius="+medianWidth+" stack");
impr = ImageCalculator().run("Subtract create 32-bit stack", imp, impf);
impf.close();
IJ.run(impr, bitDepth+"-bit", "");
impr.setTitle(title+"_filtered");
impr.show();