gusucode.com > 支持向量机工具箱 - LIBSVM OSU_SVM LS_SVM源码程序 > 支持向量机工具箱 - LIBSVM OSU_SVM LS_SVM\LS_SVMlab\codedist_hamming.m
function dist = codedist_hamming(C1,C2) % Compute the hamming distance between rows of 'C1' and columns of 'C2' % % >> distance = codedist_hamming(encoded_data, codebook); % % 'encoded_data' contains the resulting codeword per row, n rows are possible % 'codebook' contains the codebooks prototype per class as columns. % an infinitesimal number 'eps' represents the don't care % % see also: % code, codelssvm, code_MOC % Copyright (c) 2002, KULeuven-ESAT-SCD, License & help @ http://www.esat.kuleuven.ac.be/sista/lssvmlab [nb,nbin] = size(C1); [nbin,dim] = size(C2); dist = zeros(nb,dim); for d = 1:dim, for n= 1:nb, dist(n,d) = nbin-sum(C1(n,:)==C2(:,d)' | C1(n,:) < -10000 | C1(n,:) ==eps | C1(n,:) > 10000 | C2(:,dim)'==eps); end end