dftuv.m

Matlab數位影音處理 影像方面的處理

function [U, V] = dftuv(M,N)
u = 0:(M-1);
v = 0:(N-1);
idx = find(u > M/2);
u(idx) = u(idx) - M;
idy = find(v > N/2);
v(idy) = v(idy) - N;
[V, U] = meshgrid(v,u);