how to store figures in separate variable.

i had an image of 256*256 which was segmented to 8*8 matrix then later compared wrt standard deviation nw my image looks as shown in figure...difficult is how to save this save image in a variable so that i can apply later techniques? replies soon..

         if (w > q)
              T=imbinarize(E{r});
              subplot(rows,columns,r)
              T1=bwareaopen(T,0);
              T1=255;
              imshow(T1)
          elseif(w<=q)
              P=imbinarize(F{r});
              subplot(rows,columns,r)
              P1=bwareaopen(P,0);
              P1=0;
              imshow(P1) 
          end
          end
part of code is here after this i am getting image which is shown in my figure i am not able to store in some variable.suggest something