getCount.m

function count = getCount(im,parkey)

if nargin<2
    tag='';
else
    tag=num2str(parkey);
end
im=mat2gray(im);
im=gray2ind(im);
fname = ['e:\scratch\scratch_' tag '.jp2'];
imwrite(im,fname,'mode','lossless');
info=imfinfo(fname);
count=info.FileSize;