updateparticle_lhl.m

将PSO和LBG结合在一步迭代过程中

% =====================================================================
%                 PP algorithm 
%                 sub program for pp
%     Start Date: 15/07/2006
%   Last Changed: 21/08/2006
%  
%  Specification: The algorithm, proposed by Ji and Liao in 2006, incorporating
%                 both PSO algorithm and LBG to one iteration and using  
%                 particle-pair to explore in the problem space
%
% Copyright (c) Ji and Liao in 2006
% All rights Reserved
%==========================================================================

for k=1:num_particle
    mu=reshape(particle(k,:,IndexIteration),D,num_cluster);
    [I,mu,C] = kmeans_lhl(trainingvector',256,mu);
    mu=mu';
    [bigD,geitv]=sort(C);
    time=0;
   for ttt=1:256
       if isnan(mu(ttt,1))==1
           time=time+1;
           temptv=geitv(end-time+1);
           mu(ttt,:)=trainingvector(temptv,:);
       end
   end
   mu=mu';
    particle(k,:,IndexIteration)=reshape(mu,1,D*num_cluster);
end