change de2bi to standard dec2bin

GetRandomEllipseImage.m

 
-
 % GetRandomEllipseImage(K)
 % generate a logical image with K overlapping ellipses
 % 
@@ -124,7 +123,7 @@ idxPtsOverlap={};
 % 3 is in 1 and 2, 5 is in 4 and 1, etc.
 % no overlap between superset and subset pixels
 for n=1:(2^K)-1
-    rgBinary=de2bi(n);
+    rgBinary=dec2bin(n);
     idx1 = find(rgBinary);
     if length(idx1)==1
         idxPtsOverlap{n}=idxPts{idx1};