m = 100; n = 100 ;
I = rand(m,n,10) ; % your frames
fr = 1:2:20 ; % frame time
fri = 2:2:20 ; % frame time to be inteprolated
Ii = zeros(m,n,length(fri)) ; % initiliaze the interpolated frames
%%inteproaltion
for i =1:m
for j = 1:n
I_ij = squeeze(I(i,j,:)) ;
Ii_ij = interp1(fr,I_ij,fri,'spline') ;
Ii(i,j,:) = reshape(Ii_ij,1,1,length(fri)) ;
end
end
You can vectorize the above one.
