getCount.m

% 
% /******************************************************************************
% 
% This program, "NCDM", the associated MATLAB scripts and all 
% provided data, are copyright (C) 2013-2014 Andrew R. Cohen and Paul
% M. B. Vitanyi.  All rights reserved.
% 
% This program uses bzip2 compressor as a static library.
% See the file SRC\C\bz2static\LICENSE.txt for details on that software.
% 
% This software may be referenced as:
% 
% A.R.Cohen and P.M.B. Vitanyi, "Normalized Compression Distance of Multisets 
% with Applications," IEEE Transactions on Pattern Analysis and Machine 
% Intelligence. 2014. In Press. Also arXiv:1212.5711.  
% 
% Redistribution and use in source and binary forms, with or without
% modification, are permitted provided that the following conditions
% are met:
% 
% 1. Redistributions of source code must retain the above copyright
%    notice, this list of conditions and the following disclaimer.
% 
% 2. The origin of this software must not be misrepresented; you must 
%    not claim that you wrote the original software.  If you use this 
%    software in a product, an acknowledgment in the product 
%    documentation would be appreciated but is not required.
% 
% 3. Altered source versions must be plainly marked as such, and must
%    not be misrepresented as being the original software.
% 
% 4. The name of the author may not be used to endorse or promote 
%    products derived from this software without specific prior written 
%    permission.
% 
% THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
% OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
% WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
% ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
% DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
% DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
% GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
% WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
% NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
% SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
% 
% Andrew R. Cohen acohen@coe.drexel.edu
% Paul M. B. Vitanyi Paul.Vitanyi@cwi.nl
% NCDM  version 1.0 of 13 March 2013
% NCDM  version 2.0 (release) November 2014
% 
% ******************************************************************************/

% get compressed file size 
% index is the parallel file key
function count = getCount(im,index)

if nargin<2
    tag='';
else
    tag=num2str(index);
end
im=mat2gray(im);
im=gray2ind(im);
fname = ['scratch_' tag '.jp2'];
imwrite(im,fname);
info=imfinfo(fname);
count=info.FileSize;