function vwHist = calcVisualWordHist(descriptors, centroids)

    % Calculate necessary sizes
    nCentroids = size(centroids, 1);
    nDescs = size(descriptors, 1);
    
    % Calculate all distances for each descriptor to each cluster
    distances = zeros([nCentroids nDescs]);
    for i=1:nDescs
        distances(:, i) = sqrt(sum(bsxfun(@minus, centroids, descriptors(i, :)) .^ 2, 2));
    end
    
    % Make histogram and normalize
    [minVals minIdx] = min(distances); %#ok
    vwHist = histc(minIdx, 1:nCentroids)';
    vwHist = vwHist ./ nDescs;

end