source: hep2cells/gencellsimple.m @ 78

% generate a simple dataset for the cell images
%clear all; load cells_gabor;
function [a,b] = gencellsimple(x,z,dtype)

if nargin<3
   dtype = 'max';
end

N = size(x,1);
if ndims(x{1,1})<3
   dim = size(x{1,1},2);
else
   dim = size(x{1,1},3);
end
feat = zeros(N,dim);
imlab = zeros(N,1);
for i=1:N
   i
   if strcmp(dtype,'nothing')
      feat(i,:) = x{i,:};
   else
      for j=1:dim
         gim = x{i,1}(:,:,j);
         gim = gim(find(x{i,2}));
         switch dtype
         case 'max'
            feat(i,j) = max(gim);
         case 'mean'
            feat(i,j) = mean(abs(gim));
         case 'var'
            feat(i,j) = var(gim);
         end
      end
   end
   xlab(i,:) = x{i,4};
   imlab(i,1) = x{i,3};
end
a = dataset(feat,xlab);
a = setident(a,imlab,'image');
M = size(z,1);
feat = zeros(M,dim);
imlab = zeros(M,1);
for i=1:M
   i
   if strcmp(dtype,'nothing')
      feat(i,:) = z{i,:};
   else
      for j=1:dim
         gim = z{i,1}(:,:,j);
         gim = gim(find(z{i,2}));
         switch dtype
         case 'max'
            feat(i,j) = max(gim);
         case 'mean'
            feat(i,j) = mean(abs(gim));
         case 'var'
            feat(i,j) = var(gim);
         end
      end
   end
   zlab(i,:) = z{i,4};
   imlab(i,1) = z{i,3};
end
b = dataset(feat,zlab);
b = setident(b,imlab,'image');

%switch dtype
%case 'max'
%   save cellssimplemax a b;
%case 'mean'
%   save cellssimplemean a b;
%case 'var'
%   save cellssimplevar a b;
%end