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batchHRV_noGUI.m
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batchHRV_noGUI.m
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright (C) 2010, John T. Ramshur, jramshur@gmail.com
%
% This file is part of HRVAS
%
% HRVAS is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% HRVAS is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with HRVAS. If not, see <http://www.gnu.org/licenses/>.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function batchHRV(opt)
%batchHRV: function that calculates hrv on all ibi files in selected
% directory
%
%Inputs:
%
%Outputs:
%
%check inputs
% if (nargin < 1) || ~isstruct(opt)
%
% end
%choose file containing HRV analysis options
reply = input('Enter full file path of HRV analysis option file: ', 's');
if isempty(reply) || exist(reply,'file')~=2
error('Please choose valid file path!')
return;
end
opt=load(reply);
opt=opt.settings;
%choose dir containing input files
reply = input('Enter dir path containing IBI files: ', 's');
if isempty(reply) || exist(reply,'dir')~=7
error('Please choose valid input dir path!')
return;
end
%check input directory
fileList = dir(fullfile(reply, '*.ibi')); %get list of files
fileList(any([fileList.isdir],1))=[]; %remove folders/dir from the list
fnames = {fileList.name}; %get file names only from fileList structure
%build array of full file paths
fpaths=cell(length(fnames),1);
for ff=1:length(fnames)
fpaths{ff}=fullfile(reply,fnames{ff});
end
%display results of input dir
disp([reply ' contains ' num2str(length(fpaths)) ' .ibi files.'])
%choose output file name to save hrv reslts
outPath = input('Enter file name for exported HRV data: ', 's');
if isempty(outPath)
error('Please choose valid input dir path!')
return;
end
%Batch process HRV
hrv=batchGetHRV(fpaths,opt);
%Export/save HRV
saveHRV(hrv,opt,fpaths,outPath)
disp('batchHRV Done!')
end
function saveHRV(hrv,opt,fList,outPath)
exportHRV(outPath,fList,hrv,opt)
end
function hrv=batchGetHRV(fList,opt)
%Preallocate hrv array
%hrv=repmat(struct('b',0,'a',0),1,length(fList));
%display time remaining
disp('Processing: 0% complete.')
tic; avgElapsed=0;
%get hrv for each file
nFiles=length(fList);
for f=1:nFiles
hrv(f)=getHRV(fList{f},opt);
%calculate remaining time for waitbar
elapsedTime=toc; %total time elapsed since start
%average time elapsed to process a single file
avgElapsed=elapsedTime/f;
%time remaining in processing (min)
timeRem=ceil(avgElapsed*(nFiles-f)/60);
bar=round(f/nFiles*100);
disp(['Processing: ' num2str(bar) ...
'% complete. (~' num2str(timeRem) ' min)'])
end
end
function output=getHRV(f,settings)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% LOAD IBI
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
nIBI=[]; dIBI=[];
IBI=loadIBI(f,settings);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Preprocess Data
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%build cell array of locate artifacts methods
methods={}; methInput=[];
if settings.ArtLocatePer
methods=[methods,'percent'];
methInput=[methInput,settings.ArtLocatePerVal];
end
if settings.ArtLocateSD
methods=[methods,'sd'];
methInput=[methInput,settings.ArtLocateSDVal];
end
if settings.ArtLocateMed
methods=[methods,'median'];
methInput=[methInput,settings.ArtLocateMedVal];
end
%determine which window/span to use
if strcmpi(settings.ArtReplace,'mean')
replaceWin=settings.ArtReplaceMeanVal;
elseif strcmpi(settings.ArtReplace,'median')
replaceWin=settings.ArtReplaceMedVal;
else
replaceWin=0;
end
%Note: We don't need to use all the input arguments,but we will let the
%function handle all inputs
[dIBI,nIBI,trend,art] = preProcessIBI(IBI, ...
'locateMethod', methods, 'locateInput', methInput, ...
'replaceMethod', settings.ArtReplace, ...
'replaceInput',replaceWin, ...
'detrendMethod', settings.Detrend, ...
'smoothMethod', settings.SmoothMethod, ...
'smoothSpan', settings.SmoothSpan, ...
'smoothDegree', settings.SmoothDegree, ...
'polyOrder', settings.PolyOrder, ...
'waveletType', ...
[settings.WaveletType num2str(settings.WaveletType2)], ...
'waveletLevels', settings.WaveletLevels, ...
'lambda', settings.PriorsLambda,...
'resampleRate',settings.Interp,...
'meanCorrection',true);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Calculate HRV
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
output.ibiinfo.count=size(IBI,1); % total # of ibi
output.ibiinfo.outliers=sum(art); % number of outliers
%Time-Domain (using non-detrented ibi)
output.time=timeDomainHRV(nIBI,settings.SDNNi*60,settings.pNNx);
%output.time.mean=round(mean(nIBI(:,2).*1000)*10)/10;
%output.time.meanHR=round(mean(60./nIBI(:,2))*10)/10;
%Freq-Domain
output.freq=freqDomainHRV(dIBI,settings.VLF,settings.LF, ...
settings.HF,settings.AROrder,settings.WinWidth, ...
settings.WinOverlap,settings.Points,settings.Interp);
%Nonlinear (using non-detrented ibi)
output.nl=nonlinearHRV(nIBI,settings.m,settings.r, ...
settings.n1,settings.n2,settings.breakpoint);
%Poincare
output.poincare=poincareHRV(nIBI);
%Time-Freq
output.tf=timeFreqHRV(dIBI,nIBI,settings.VLF,settings.LF, ...
settings.HF,settings.AROrder, settings.tfWinSize, ...
settings.tfOverlap,settings.Points,settings.Interp, ...
{'ar','lomb','wavelet'});
%%%%%%%%%%%%%%%%%%%%%%%
clear nIBI dIBI IBI
end
function ibi=loadIBI(f,opt)
if ~exist(f,'file')
error(['Error opening file: ' f])
return
end
ibi=[];
DELIMITER = ',';
HEADERLINES = opt.headerSize;
%read ibi
tmpData = importdata(f, DELIMITER, HEADERLINES);
if HEADERLINES>0
tmpData=tmpData.data;
end
%check ibi dimentions
[rows cols] = size(tmpData);
if rows==1
tmpData=tmpData';
ibi=zeros(cols,2);
tmp=cumsum(tmpData);
ibi(2:end,1)=tmp(1:end-1);
ibi(:,2)=tmpData;
elseif cols==1
ibi=zeros(rows,2);
tmp=cumsum(tmpData);
ibi(2:end,1)=tmp(1:end-1);
ibi(:,2)=tmpData;
elseif rows<cols
ibi=tmpData';
else
ibi=tmpData;
end
clear tmpData
end