setSlice(1);

function CutoutAnalyze(srcId){
	selectImage(srcId);
	width = getWidth();
	height = getHeight();
	resetMinAndMax();
	run("8-bit");
	distId = getImageID();
	getRawStatistics(nPixels, mean, min, max, std, histogram);
	nBins = 256;
	getHistogram(values, counts, nBins);
	signalPixNum = counts[255];
	row = nResults();
	setResult("Area", row, signalPixNum);
	updateResults();
}
	getDimensions(width, height, channels, slices, frames);
	if (slices>2)
		for(i=0; i<slices; i++){
			srcId = getImageID();
			CutoutAnalyze(srcId);
			run("Next Slice [>]");
		}else {
	srcId = getImageID();
	CutoutAnalyze(srcId);
	}