wolffd@0: function int = compute_fwd_interface(intra, inter)
wolffd@0: % COMPUTE_FWD_INTERFACE Compute nodes with children in the next slice
wolffd@0: % function int = compute_fwd_interface(intra, inter)
wolffd@0: 
wolffd@0: int = [];
wolffd@0: ss = length(intra);
wolffd@0: for u=1:ss
wolffd@0:   if any(inter(u,:))
wolffd@0:     int = [int u];
wolffd@0:   end
wolffd@0: end