Nearest-Neighbour-Search-Neural-Networks-Product-Quantization/TEXMEX/WNN Library/BuildNetworkfromIdxs.m

function [ WXj ] = BuildNetworkfromIdxs( Xj, GenMat)
%BUILDNETWORK Summary of this function goes here
%   Detailed explanation goes here

    mm = size(Xj,1);
    nn = size(Xj,2);
    kk = size(GenMat,1);
    
    WXj = zeros(mm*kk);
    
    for ii=1:nn
        x=reshape(GenMat(:,Xj(:,ii)),kk*mm,1);
        WXj=max(WXj,x*x');
    end
        
    WXj=uint8(WXj);
%     imshow(1-WXj,[0 1])

end