Indexing error.How out of bound elements in case of indexing error occurs can be replaced by zeros(or by interpolation)

Hey guys could u help me out to solve this indexing error.I want when indexing error occurs in this the out of bound elemnts should be replaced by zeros(or by interpolation

frame1=rand(200,25)
wsizeR=4
wsizeC=4
wsizeR2=4
wsizeC2=4
wshiftR=2
wshiftC=2

[row,col]=size(frame1); 

num_dispR = fix((row - max([wsizeR wsizeR2]) + wshiftR)/wshiftR); 
num_dispC = fix((col - max([wsizeC wsizeC2]) + wshiftC)/wshiftC);  
prevR=3.*ones(num_dispR)
prevC=2.*ones(num_dispC)
for k=1:num_dispR-3
   for l=1:num_dispC-2
      locR = (k-1)*wshiftR+1;
      locC = (l-1)*wshiftC+1;
      tmp1 = frame1(locR:locR+wsizeR-1,locC:locC+wsizeC-1) 

        tmp2 = frame1(locR+prevR(k,l):locR+wsizeR2-1+prevR(k,l),locC+prevC(k,l):locC+wsizeC2+prevC(k,l)-1)

     end
  end)