/* Remove_Isolated_Pixels.bsh
 * IJ BAR: https://github.com/tferr/Scripts#scripts
 *
 * Erodes isolated pixels from segmented images. neighborsCount specifies the
 * structures to be eliminated: =8: Isolated pixels; =7: Tips of 8-connected
 * 1-pixel-wide lines (including isolated pixels); =1: Classical erosion.
 *
 * TF, 2014.12
 */

import ij.IJ;
import ij.ImagePlus;
import ij.ImageStack;
import ij.process.ByteProcessor;

neighborsCount = 8;

imp = IJ.getImage();
if (!imp.getProcessor().isBinary()) {
	IJ.error("Binary image required."); return;
}

stack = imp.getStack();
for (i=1; i<=stack.getSize(); i++)
	((ByteProcessor)stack.getProcessor(i)).erode(neighborsCount, 0);
imp.updateAndDraw();