?? histcmpchi2.m
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function d = histCmpChi2(h1, h2)% Compare two histograms using chi-squared% function d = histCmpChi2(h1, h2)%% d(i,j) = chi^2(h1(i,:), h2(j,:)) = sum_b (h1(i,b)-h2(j,b)^2 / (h1(i,b) + h2(j,b))[N B] = size(h1);d = zeros(N,N);for i=1:N h1i = repmat(h1(i,:), N, 1); numer = (h1i - h2).^2; denom = h1i + h2 + eps; % if denom=0, then numer=0 d(i,:) = sum(numer ./ denom, 2);end ?? 快捷鍵說明
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