newImage("HyperStack", "8-bit label", 400, 300, 2, 48, 7); id = getImageID; Stack.getDimensions(width, height, channels, slices, frames); for (frame=1; frame<=frames; frame++) { selectImage(id); Stack.setFrame(frame); run("Reduce Dimensionality...", "channels slices keep"); } selectImage(id); close;