Detecting and Quantifying T-Wave Alternans: The PhysioNet/Computing in Cardiology Challenge 2008 1.0.0

function res=percorretwa()

#percorretwa.m - run over all the recordes and call "procuraralternons.m " for each lead, for each record 
#Copyright (C) 2008 Rui Rodrigues <rapr@fct.unl.pt>
#This software is released under the terms of the GNU General Public License (http://www.gnu.org/copyleft/gpl.html)




  %comprimento do ecg a considerar para procurar alternancia
  NUMbatidas=64

  res=zeros(0,0,0);


for i=0:9


    for j=0:9

      num=strcat(int2str(i),int2str(j))

      file1=strcat(strcat("../twadb/twa",num),".txt");

      sinal=load(file1);

      %"sinal"

      file2=strcat(strcat("../twadb/twa",num),"_batidas.txt");

      batidas=load(file2);

      %"batidas"

      [l n]=size(sinal);


      #n-1 é o numero de leads do ecg
      
      for k=2:n

	sinal1=sinal(:,k);

	[valores inicios]=procuraralternons(sinal1,batidas,500,NUMbatidas);

	if (length(valores)>0)

	  res=[res;i*10+j,k,max(valores)];

	  max(valores)

	endif
	
	fflush(stdout);

      endfor

      fflush(stdout);

    endfor



  endfor

 

endfunction