convhvbr.m

超声图像实时消噪实验程序

function g = convSepBrd( f, w1, w2 )
% convolve along colums + along rows with repetition of the border
N = size(f,1);
M = size(f,2);
K = (size(w1,1)-1)/2;
L = (size(w2,2)-1)/2;
iind = min(max((1:(N+2*K))-K,1),N);
jind = min(max((1:(M+2*L))-L,1),M);
fwb = f(iind,jind);
g=conv2(w1,w2,fwb,'valid');