% Create descriptor of every clip.%% Takes clusters and assigns each cuboid to its type.  Next, the cuboid types are% histogrammed to create a descriptor for each clip in each dataset.%% INPUTS%   DATASETS    - array of structs, should have the fields:%           .desc       - length N cell vector of cuboid descriptors%           .ncilps     - N: number of clips%   clusters    - cuboid clusters%   csigma      - soft assign see clipdesc%% OUTPUTS%   data        - length N cell vector of (nclips x p) arrays of datafunction data = recog_clipsdesc( DATASETS, clusters, csigma )    reqfs = {'nclips','desc'};    if( ~isfield2( DATASETS, reqfs, 1) )         ermsg=[]; for i=1:length(reqfs) ermsg=[ermsg reqfs{i} ', ']; end        error( ['Each DATASET must have: ' ermsg 'initialized'] ); end;    %%% assign cuboids to clusters and creat descriptor for each clip in DATASET    k = size( clusters,1 );    nsets = length(DATASETS);    nclips = cell2mat({DATASETS.nclips});    for i=1:nsets        clipdesc = zeros(nclips(i),k);         for j=1:nclips(i)              desclust = imagedesc2clusters( DATASETS(i).desc{j}, clusters, csigma );            clipdesc(j,:) = recog_clipdesc( desclust, k );         end;        data{i} = clipdesc;    end;