Singh2020 / scripts /FASTER /FASTER_process.m
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function EEG=FASTER_process(option_wrapper,log_file)
% Copyright (C) 2010 Hugh Nolan, Robert Whelan and Richard Reilly, Trinity College Dublin,
% Ireland
% nolanhu@tcd.ie, robert.whelan@tcd.ie
%
% This program 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 2 of the License, or
% (at your option) any later version.
%
% This program 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 this program; if not, write to the Free Software
% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
EEG=[];
try
tic;
o=option_wrapper.options;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% File options %
%%%%%%%%%%%%%%%%
% 1 File name including full path (string)
% 2 Reference channel (integer > 0)
% 3 Number of data channels (integer > 0)
% 4 Number of extra channels (integer > 0)
% 5 Channel locations file including full path (string)
% 6 Save options (cell)
%%%%%%%%%%%%%%%%
using_ALLEEG=o.file_options.using_ALLEEG;
prefix=o.file_options.file_prefix;
%prefix_ALLEEG=o.file_options.prefix_ALLEEG;
fullfilename = o.file_options.current_file;
ref_chan = o.channel_options.ref_chan;
eeg_chans = o.channel_options.eeg_chans;
if (eeg_chans==0)
eeg_chans=[];
end
ext_chans = o.channel_options.ext_chans;
if (ext_chans==0)
ext_chans=[];
end
channel_locations_file = o.file_options.channel_locations;
save_options = o.save_options;
cutoff_markers = o.file_options.cutoff_markers;
do_reref = o.channel_options.do_reref;
if (~do_reref)
ref_chan=[];
end
[filepath,filename,extension] = fileparts(fullfilename);
%log_file = fopen([filepath filesep filename '.log'],'a');
c=clock;
months={'Jan' 'Feb' 'Mar' 'Apr' 'May' 'Jun' 'Jul' 'Aug' 'Sep' 'Oct' 'Nov' 'Dec'};
fprintf(log_file,'\n%d/%s/%d %d:%d:%d\n',c(3),months{c(2)},c(1),c(4),c(5),round(c(6)));
fprintf(log_file,'%.2f - Opened log file.\n',toc);
%%%%%%%%%%%%%%%%%%%%%%
% File setup section %
%%%%%%%%%%%%%%%%%%%%%%
% Import .bdf file or load .set file
% Note: import all channels and then remove the unnecessary ones, as
% otherwise the event channel gets removed and we have no event data.
if strcmpi(extension,'.bdf') && ~using_ALLEEG
fprintf('Importing %s.\n',fullfilename);
EEG = pop_biosig(fullfilename);
EEG.setname = filename;
EEG = pop_select(EEG, 'nochannel',length(eeg_chans)+length(ext_chans)+1:size(EEG.data,1));
if (do_reref)
if (max(EEG.data(ref_chan,:))==0 && min(EEG.data(ref_chan,:))==0)
fprintf(log_file,'%.2f - Reference channel %d is already zeroed. Data was not re-referenced.\n',toc,ref_chan);
elseif (o.ica_options.keep_ICA && ~isempty(EEG.icaweights))
fprintf(log_file,'%.2f - Data was not re-referenced to maintain existing ICA weights. Bad channel detection may be ineffective.\n',toc,ref_chan);
else
EEG = h_pop_reref( EEG, ref_chan, 'exclude', ext_chans, 'keepref', 'on');
end
end
filename = [o.file_options.file_prefix filename];
filepath=o.file_options.oplist{o.file_options.current_file_num};
mkdir([filepath filesep 'Intermediate']);
EEG = pop_saveset(EEG,'filename',[filename '.set'],'filepath',filepath,'savemode','onefile');
fprintf(log_file,'%.2f - Imported and converted file %s.\n',toc,fullfilename);
elseif strcmpi(extension,'.set') && ~using_ALLEEG
fprintf('Loading %s.\n',fullfilename);
EEG = pop_loadset('filename',[filename '.set'],'filepath',filepath);
fprintf(log_file,'%.2f - Loaded file %s.\n',toc,fullfilename);
if ~isempty(o.file_options.output_folder_name)
filepath=o.file_options.oplist{o.file_options.current_file_num};
mkdir([filepath filesep 'Intermediate']);
else
filepath=o.file_options.oplist{o.file_options.current_file_num};
mkdir([filepath filesep 'Intermediate']);
pop_saveset(EEG,'filename',['Original_' filename '.set'],'filepath',[filepath filesep 'Intermediate']);
delete(fullfilename);
if exist([fullfilename(1:end-4) '.fdt'],'file')
delete([fullfilename(1:end-4) '.fdt']);
end
if exist([fullfilename(1:end-4) '.dat'],'file')
delete([fullfilename(1:end-4) '.dat']);
end
end
filename = [o.file_options.file_prefix filename];
EEG.filename = [filename '.set'];
elseif using_ALLEEG
EEG=evalin('base',sprintf('ALLEEG(%d);',o.file_options.plist{o.file_options.current_file_num}));
filepath=o.file_options.oplist{o.file_options.current_file_num};
if ~isempty(EEG.filename)
filename=sprintf('%s%s.set',prefix,EEG.filename);
elseif ~isempty(EEG.setname)
filename=sprintf('%sALLEEG(%d)_%s.set',prefix,o.file_options.current_file_num,EEG.setname);
else
filename=sprintf('%sALLEEG(%d).set',prefix,o.file_options.current_file_num);
end
EEG.filepath=filepath;
EEG.filename=filename;
mkdir([filepath filesep 'Intermediate']);
EEG = pop_select(EEG, 'nochannel',length(eeg_chans)+length(ext_chans)+1:size(EEG.data,1));
if (do_reref)
if (max(EEG.data(ref_chan,:))==0 && min(EEG.data(ref_chan,:))==0)
fprintf(log_file,'%.2f - Reference channel %d is already zeroed. Data was not re-referenced.\n',toc,ref_chan);
elseif (o.ica_options.keep_ICA && ~isempty(EEG.icaweights))
fprintf(log_file,'%.2f - Data was not re-referenced to maintain existing ICA weights. Bad channel detection may be ineffective.\n',toc,ref_chan);
else
EEG = h_pop_reref( EEG, ref_chan, 'exclude', ext_chans, 'keepref', 'on');
end
end
else
EEG=[];
fprintf('Unknown file format.\n');
fprintf(log_file,'%.2f - Unknown file format. Cannot process.\n',toc);
return;
end
EEG = eeg_checkset(EEG);
% Check if channel locations exist, and if not load them from disk.
if (~isfield(EEG.chanlocs,'X') || ~isfield(EEG.chanlocs,'Y') || ~isfield(EEG.chanlocs,'Z') || isempty(EEG.chanlocs)) || isempty([EEG.chanlocs(:).X]) || isempty([EEG.chanlocs(:).Y]) || isempty([EEG.chanlocs(:).Z])
EEG = pop_chanedit(EEG, 'load', {channel_locations_file});
EEG.saved='no';
fprintf(log_file,'%.2f - Loaded channel locations file from %s.\n',toc,channel_locations_file);
end
%EEG = pop_saveset(EEG,'savemode','resave');
%%%%%%%%%%%%%%%%
% Save options %
%%%%%%%%%%%%%%%%
do_saves=(~using_ALLEEG || (o.file_options.save_ALLEEG && ~isempty(EEG.filename)) || ~isempty(o.file_options.output_folder_name));
if (~do_saves)
save_options = zeros(size(save_options));
else
EEG = pop_saveset(EEG,'filename',[filename '.set'],'filepath',filepath,'savemode','onefile');
end
save_before_filter = save_options(1);
save_before_interp = save_options(2);
save_before_epoch = save_options(3);
save_before_ica_rej = save_options(4);
save_before_epoch_interp = save_options(5);
if save_before_filter
EEGBAK=EEG;
EEGBAK.setname = ['pre_filt_' EEG.setname];
pop_saveset(EEGBAK,'filename',['1_pre_filt_' EEG.filename],'filepath',[filepath filesep 'Intermediate'],'savemode','onefile');
clear EEGBAK;
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Filtering %
%%%%%%%%%%%%%
resample_frequency=o.filter_options.resample_freq;
do_resample=o.filter_options.resample_on;
% Downsampling is done later (shouldn't really be done at all).
do_hipass=o.filter_options.hpf_on;
do_lopass=o.filter_options.lpf_on;
do_notch=o.filter_options.notch_on;
if any(any(isnan(EEG.data)))
fprintf('NaN in EEG data before filtering.\n');
end
if do_hipass
w_h=o.filter_options.hpf_freq;
t_h=o.filter_options.hpf_bandwidth;
r_h=o.filter_options.hpf_ripple;
a_h=o.filter_options.hpf_attenuation;
[m, wtpass, wtstop] = pop_firpmord([w_h-(t_h) w_h+(t_h)], [0 1], [10^(-1*abs(a_h)/20) (10^(r_h/20)-1)/(10^(r_h/20)+1)], EEG.srate);
if mod(m,2);m=m+1;end;
EEG = pop_firpm(EEG, 'fcutoff', w_h, 'ftrans', t_h, 'ftype', 'highpass', 'wtpass', wtpass, 'wtstop', wtstop, 'forder', m);
EEG.saved='no';
fprintf(log_file,'%.2f - Highpass filter: %.3fHz, transition band: %.2f, order: %d.\n',toc,w_h,t_h,m);
end
if do_lopass
w_l=o.filter_options.lpf_freq;
t_l=o.filter_options.lpf_bandwidth;
r_l=o.filter_options.lpf_ripple;
a_l=o.filter_options.lpf_attenuation;
[m, wtpass, wtstop] = pop_firpmord([w_l-(t_l) w_l+(t_l)], [1 0], [(10^(r_l/20)-1)/(10^(r_l/20)+1) 10^(-1*abs(a_l)/20)], EEG.srate);
if mod(m,2);m=m+1;end;
EEG = pop_firpm(EEG, 'fcutoff', w_l, 'ftrans', t_l, 'ftype', 'lowpass', 'wtpass', wtpass, 'wtstop', wtstop, 'forder', m);
EEG.saved='no';
fprintf(log_file,'%.2f - Lowpass filter: %.3fHz, transition band: %.2f, order: %d.\n',toc,w_l,t_l,m);
end
if do_notch
for n=1:length(o.filter_options.notch_freq)
w_n=[o.filter_options.notch_freq(n)-o.filter_options.notch_bandwidth1/2 o.filter_options.notch_freq(n)+o.filter_options.notch_bandwidth1/2];
t_n=o.filter_options.notch_bandwidth2;
r_n=o.filter_options.notch_ripple;
a_n=o.filter_options.notch_attenuation;
[m, wtpass, wtstop] = pop_firpmord([w_n(1)-(t_n) w_n(1)+(t_n) w_n(2)-(t_n) w_n(2)+(t_n)], [0 1 0], [10^(-1*abs(a_n)/20) (10^(r_n/20)-1)/(10^(r_n/20)+1) 10^(-1*abs(a_n)/20)], EEG.srate);
if mod(m,2);m=m+1;end;
EEG = pop_firpm(EEG, 'fcutoff', w_n, 'ftrans', t_n, 'ftype', 'bandstop', 'wtpass', wtpass, 'wtstop', wtstop, 'forder', m);
EEG.saved='no';
fprintf(log_file,'%.2f - Notch filter: %.3f to %.3fHz, transition band: %.2f, order: %d.\n',toc,w_n(1),w_n(2),t_n,m);
end
end
if (do_saves), EEG = pop_saveset(EEG,'savemode','resave'); end
if save_before_interp
EEGBAK=EEG;
EEGBAK.setname = ['pre_interp_' EEG.setname];
pop_saveset(EEGBAK,'filename',['2_pre_interp_' EEG.filename],'filepath',[filepath filesep 'Intermediate'],'savemode','onefile');
clear EEGBAK;
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Data cutoff point %
% Will be re-implemented %
%%%%%%%%%%%%%%%%%%%%%%%%%%
% if ~isempty(cutoff_markers) && any(cutoff_markers)
% cutoff_point=[0 size(EEG.data,2)+1];
% for u=1:length(EEG.event)
% if EEG.event(u).type == cutoff_markers(1) || strcmp(EEG.event(u).type,cutoff_markers(1))
% cutoff_point(1)=EEG.event(u).latency; % Finds the last 255 (check this one)
% end
% if EEG.event(u).type == cutoff_markers(2) || strcmp(EEG.event(u).type,cutoff_markers(2))
% cutoff_point(2)=EEG.event(u).latency; % Finds the last 255 (check this one)
% end
% end
% if cutoff_point(1) > 1
% EEG = pop_select( EEG, 'nopoint',[1 cutoff_point(1)] );
% end
% if cutoff_point(2) < size(EEG.data,2)
% EEG = pop_select( EEG, 'nopoint',[cutoff_point(2) size(EEG.data(:,:),2)] );
% end
% end
% %New cutoff points for VESPA
%
% EEG = remevent(EEG,768);EEG=remevent(EEG,33536);
%
%
% first_real_event = -1;
% last_real_event = -1;
%
% for u=1:length(EEG.event)-2
%
% if ((EEG.event(u).latency - EEG.event(u+1).latency) * (1000/EEG.srate) < 100 && (EEG.event(u+1).latency - EEG.event(u+2).latency) * (1000/EEG.srate) < 100 && first_real_event == -1)
% first_real_event = u;
% end
%
% if (first_real_event ~= -1 && (EEG.event(u).latency - EEG.event(u+1).latency) * (1000/EEG.srate) > 100 && (EEG.event(u+1).latency - EEG.event(u+2).latency) * (1000/EEG.srate) > 100 && last_real_event == -1)
% last_real_event = u;
% end
%
% end
%
% first_real_time=max(EEG.event(first_real_event).latency - EEG.srate,1);
%
% if (last_real_event==-1)
% last_real_time=min(EEG.event(end).latency + EEG.srate,size(EEG.data(:,:),2));
% else
% last_real_time=min(EEG.event(last_real_event).latency + EEG.srate,1);
% end
%
% EEG = pop_select( EEG, 'point',[first_real_time:last_real_time] );
% EEG.saved='no';
% EEG = pop_saveset(EEG,'savemode','resave');
%
% fprintf(log_file,'Cropped between %.2f and %.2f seconds.\n',first_real_time/EEG.srate,last_real_time/EEG.srate);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Channel interpolation options %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 1 Automatic interpolation of bad channels on or off (1 / 0)
% 2 Radius for channel interpolation hypersphere (integer > 0)
% 3 Automatic interpolation of channels per single epoch at end of process (1 / 0)
% 4 Radius for epoch interpolation hypersphere (integer > 0)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
chans_to_interp=[];
do_auto_interp = o.channel_options.channel_rejection_on;
if do_auto_interp
list_properties = channel_properties(EEG,eeg_chans,ref_chan);
lengths = min_z(list_properties,o.channel_options.rejection_options); % Need to edit to make rejection_options.measure a vector, instead of multiple fields
chans_to_interp = union(eeg_chans(logical(lengths)),o.channel_options.bad_channels);
chans_to_interp = setdiff(chans_to_interp,ref_chan); % Ref chan may appear bad, but we shouldn't interpolate it!
if (o.channel_options.exclude_EOG_chans)
chans_to_interp = setdiff(chans_to_interp,o.ica_options.EOG_channels);
end
if ~o.channel_options.interp_after_ica
if ~isempty(chans_to_interp)
fprintf('Interpolating channel(s)');
fprintf(' %d',chans_to_interp);
fprintf('.\n');
EEG = h_eeg_interp_spl(EEG,chans_to_interp,ext_chans);
EEG.saved='no';
fprintf(log_file,'%.2f - Interpolated channels',toc); fprintf(log_file,' %d',chans_to_interp); fprintf(log_file,'.\n');
end
end
end
if (do_saves), EEG = pop_saveset(EEG,'savemode','resave'); end
if save_before_epoch
EEGBAK=EEG;
EEGBAK.setname = ['pre_epoch_' EEG.setname];
pop_saveset(EEGBAK,'filename',['3_pre_epoch_' EEG.filename],'filepath',[filepath filesep 'Intermediate'],'savemode','onefile');
clear EEGBAK;
end
%%% Do resampling here (if done pre-filtering, it creates problems). %%%
%%% It does anyway, it seems. %%%
if do_resample
old_name = EEG.setname;
old_srate = EEG.srate;
EEG = pop_resample( EEG, resample_frequency);
EEG.setname = old_name;
fprintf(log_file,'%.2f - Resampled from %dHz to %dHz.\n',toc,old_srate,resample_frequency);
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Epoch options %
%%%%%%%%%%%%%%%%%
% 1 Epoching on or off (1 / 0)
% 2 Markers to epoch from (array of integers or cell of strings)
% 3 Epoch length (vector of 2 floats, 1 negative, 1 positive) - seconds
% 4 Baseline length for mean subtraction (vector of 2 integers) (0 => baseline subtraction off) - milliseconds
% 5 Auto epoch rejection on or off (1 / 0)
% 6 Radius for epoch rejection hypersphere (integer > 0)
%%%%%%%%%%%%%%%%%
markers = o.epoch_options.epoch_markers;
epoch_length = o.epoch_options.epoch_limits;
baseline_time = o.epoch_options.baseline_sub * 1000;
do_epoch_rejection = o.epoch_options.epoch_rejection_on;
do_epoching = ((~isempty(markers) && o.epoch_options.markered_epoch) || o.epoch_options.unmarkered_epoch) && any(o.epoch_options.epoch_limits) && length(o.epoch_options.epoch_limits)==2;
%%%%%%%%%%%%%%
% Epoch data %
%%%%%%%%%%%%%%
if do_epoching
oldname = EEG.setname;
if ~o.epoch_options.unmarkered_epoch
EEGt = h_epoch(EEG,markers,epoch_length);
EEG.setname = oldname;
EEG.saved='no';
if isnumeric(markers)
fprintf(log_file,'%.2f - Epoched data on markers',toc);
fprintf(log_file,' %d',markers);
fprintf(log_file,'.\n');
else
fprintf(log_file,'%.2f - Epoched data on markers',toc);
fprintf(log_file,' %s',markers{:});
fprintf(log_file,'.\n');
end
if size(EEG.data,3)==0
fprintf(log_file,'Epoch length too short, no epochs were generated.\n');
else
EEG=EEGt;
clear EEGt;
end
else
EEG = eeg_regepochs(EEG,o.epoch_options.unmarkered_epoch_interval,epoch_length,NaN);
EEG.setname = oldname;
EEG.saved='no';
fprintf(log_file,'%.2f - Epoched data every %.2f seconds.\n',toc,o.epoch_options.unmarkered_epoch_interval);
end
% Remove epoch baselines after epoching:
if any(baseline_time)
EEG = pop_rmbase( EEG, baseline_time);
end
end
if (size(EEG.data,3)>1)
% Rereference just to print baseline variance, as otherwise the initial
% BL variance is with a single reference, and the final in average
% reference
EEGtemp = h_pop_reref(EEG, [], 'exclude',ext_chans, 'refstate', ref_chan);
fprintf(log_file,'Initial baseline variance: %.2f.\n',median(var(mean(EEGtemp.data(:,1:round(EEGtemp.srate*-1*EEGtemp.xmin),:),3),[],2)));
clear EEGtemp;
end
if (do_saves), EEG = pop_saveset(EEG,'savemode','resave'); end
%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Epoch rejection section %
%%%%%%%%%%%%%%%%%%%%%%%%%%%
if do_epoch_rejection && size(EEG.data,3)>1
if (o.channel_options.interp_after_ica)
list_properties = epoch_properties(EEG,setdiff(eeg_chans,chans_to_interp));
else
list_properties = epoch_properties(EEG,eeg_chans);
end
[lengths] = min_z(list_properties,o.epoch_options.rejection_options);
EEG=pop_rejepoch(EEG, find(lengths),0);
fprintf(log_file,'%.2f - Rejected %d epochs',toc,length(find(lengths)));
fprintf(log_file,' %d',find(lengths));
fprintf(log_file,'.\n');
EEG.saved='no';
end
if (do_saves), EEG = pop_saveset(EEG,'savemode','resave'); end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Average reference %
%%%%%%%%%%%%%%%%%%%%%
if (do_reref && ~o.ica_options.keep_ICA)
if ~o.channel_options.interp_after_ica
EEG = h_pop_reref(EEG, [], 'exclude',ext_chans, 'refstate', ref_chan);
else
EEG = h_pop_reref(EEG, [], 'exclude',[ext_chans chans_to_interp], 'refstate', ref_chan);
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% ICA options %
%%%%%%%%%%%%%%%
% 1 ICA on or off (1 / 0)
% 2 Auto component rejection on or off (1 / 0)
% 3 Radius for component rejection hypersphere (integer > 0)
% 4 EOG channels (vector of integers)
%%%%%%%%%%%%%%%
do_ica = o.ica_options.run_ica;
k_value = o.ica_options.k_value;
do_component_rejection = o.ica_options.component_rejection_on;
EOG_chans = o.ica_options.EOG_channels;
ica_chans = o.ica_options.ica_channels;
%%%%%%%%%%
% Do ICA %
%%%%%%%%%%
if do_ica && (~o.ica_options.keep_ICA || isempty(EEG.icaweights))
num_pca = min(floor(sqrt(size(EEG.data(:,:),2) / k_value)),(size(EEG.data,1) - length(chans_to_interp) - 1));
num_pca = min(num_pca,length(setdiff(ica_chans,chans_to_interp)));
if (o.channel_options.interp_after_ica)
%EEG = pop_runica(EEG, 'icatype', 'runica', 'dataset',1, 'chanind',setdiff(ica_chans,chans_to_interp),'options',{'extended',1,'pca',num_pca});
ica_chans=intersect(setdiff(ica_chans,chans_to_interp),union(eeg_chans,ext_chans));
EEG = pop_runica(EEG, 'dataset',1, 'chanind',setdiff(ica_chans,chans_to_interp),'options',{'extended',1,'pca',num_pca});
else
%EEG = pop_runica(EEG, 'icatype', 'runica', 'dataset',1, 'chanind',ica_chans,'options',{'extended',1,'pca',num_pca});
ica_chans=intersect(ica_chans,union(eeg_chans,ext_chans));
EEG = pop_runica(EEG, 'dataset',1, 'chanind',ica_chans,'options',{'extended',1,'pca',num_pca});
end
EEG.saved='no';
fprintf(log_file,'%.2f - Ran ICA.\n',toc);
end
if (do_saves), EEG = pop_saveset(EEG,'savemode','resave'); end
if save_before_ica_rej
EEGBAK=EEG;
EEGBAK.setname = ['pre_comp_rej_' EEG.setname];
pop_saveset(EEGBAK,'filename',['4_pre_comp_rej_' EEG.filename],'filepath',[filepath filesep 'Intermediate'],'savemode','onefile');
clear EEGBAK;
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Component rejection section %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Also includes topoplots %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if do_component_rejection && ~isempty(EEG.icaweights)
EEG = eeg_checkset(EEG);
original_name=EEG.setname;
if do_lopass
list_properties = component_properties(EEG,EOG_chans,[w_l-(t_l/2) w_l+(t_l/2)]);
elseif ~isempty(o.ica_options.lopass_freq) && o.ica_options.lopass_freq~=0
list_properties = component_properties(EEG,EOG_chans,[o.ica_options.lopass_freq-5 o.ica_options.lopass_freq+5]);
else
list_properties = component_properties(EEG,EOG_chans);
o.ica_options.rejection_options.measure(2)=0;
end
[lengths] = min_z(list_properties,o.ica_options.rejection_options);
bad_comps=find(lengths);
% Plot stuff
if (o.ica_options.IC_images)
p=1;
activations=eeg_getica(EEG);
perc_vars = var(activations(:,:),[],2);
perc_vars = 100*perc_vars./sum(perc_vars);
for u=1:size(EEG.icawinv,2)
if ~mod(u-1,16)
if (u~=1)
saveas(h,sprintf('%s%sIntermediate%sComponents_%d.png',filepath,filesep,filesep,p));
p=p+1;
close(h);
end
h=figure;
end
subplot(4,4,1+mod(u-1,16));
% if (size(EEG.icawinv,1)~=length(EEG.chanlocs))
% topoplot(EEG.icawinv(:,u),EEG.chanlocs(setdiff(1:length(EEG.chanlocs),chans_to_interp)));
topoplot(EEG.icawinv(:,u),EEG.chanlocs(EEG.icachansind));
% else
% topoplot(EEG.icawinv(:,u),EEG.chanlocs);
%end
title(sprintf('Component %d\n%.1f%% variance',u,perc_vars(u)));
if ~isempty(find(bad_comps==u, 1))
c=get(h,'Children');
c2=get(c(1),'Children');
set(c2(5),'FaceColor',[0.6 0 0]);
x=get(c2(5),'XData');
x(1:end/2)=1.5*(x(1:end/2));
set(c2(5),'XData',x);
y=get(c2(5),'YData');
y(1:end/2)=1.5*(y(1:end/2));
set(c2(5),'YData',y);
end
end
%p=p+1;
saveas(h,sprintf('%s%sIntermediate%sComponents_%d.png',filepath,filesep,filesep,p));
if ~isempty(h)
close(h);
end
end
% Reject
if ~isempty(find(lengths,1))
fprintf('Rejecting components');
fprintf(' %d',find(lengths));
fprintf('.\n');
EEG = pop_subcomp(EEG, find(lengths), 0);
fprintf(log_file,'%.2f - Rejected %d components',toc,length(find(lengths)));
fprintf(log_file,' %d',find(lengths));
fprintf(log_file,'.\n');
else
fprintf('Rejected no components.\n');
fprintf(log_file,'%.2f - Rejected no components.\n',toc);
end
EEG.setname=original_name;
EEG.saved='no';
elseif ~isempty(EEG.icawinv) && o.ica_options.IC_images
activations=eeg_getica(EEG);
perc_vars = var(activations(:,:),[],2);
perc_vars = 100*perc_vars./sum(perc_vars);
p=1;
for u=1:size(EEG.icawinv,2)
if ~mod(u-1,16)
if (u~=1)
saveas(h,sprintf('%s%sIntermediate%sComponents_%d.png',filepath,filesep,filesep,p));
p=p+1;
close(h);
end
h=figure;
end
subplot(4,4,1+mod(u-1,16));
topoplot(EEG.icawinv(:,u),EEG.chanlocs);
title(sprintf('Component %d\n%.1f%% variance',u,perc_vars(u)));
end
%p=p+1;
saveas(h,sprintf('%s%sIntermediate%sComponents_%d.png',filepath,filesep,filesep,p));
if ~isempty(h)
close(h);
end
end
if (do_saves), EEG = pop_saveset(EEG,'savemode','resave'); end
if save_before_epoch_interp
EEGBAK=EEG;
EEGBAK.setname = ['pre_epoch_interp_' EEG.setname];
pop_saveset(EEGBAK,'filename',['5_pre_epoch_interp_' EEG.filename],'filepath',[filepath filesep 'Intermediate'],'savemode','onefile');
clear EEGBAK;
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Interpolation section part 2 %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if o.channel_options.interp_after_ica
if ~isempty(chans_to_interp)
fprintf('Interpolating channel(s)');
fprintf(' %d',chans_to_interp);
fprintf('.\n');
EEG = h_eeg_interp_spl(EEG,chans_to_interp,ext_chans);
EEG.saved='no';
fprintf(log_file,'%.2f - Interpolated channels',toc); fprintf(log_file,' %d',chans_to_interp); fprintf(log_file,'.\n');
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Epoch interpolation section %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
do_epoch_interp=o.epoch_interp_options.epoch_interpolation_on;
if do_epoch_interp && length(size(EEG.data)) > 2
status = '';
lengths_ep=cell(1,size(EEG.data,3));
for v=1:size(EEG.data,3)
list_properties = single_epoch_channel_properties(EEG,v,eeg_chans);
lengths_ep{v}=eeg_chans(logical(min_z(list_properties,o.epoch_interp_options.rejection_options)));
status = [status sprintf('%d: ',v) sprintf('%d ',lengths_ep{v}) sprintf('\n')];
end
EEG=h_epoch_interp_spl(EEG,lengths_ep,ext_chans);
EEG.saved='no';
epoch_interps_log_file=fopen([filepath filesep filename '_epoch_interpolations.txt'],'a');
fprintf(epoch_interps_log_file,'%s',status);
fclose(epoch_interps_log_file);
fprintf(log_file,'%.2f - Did per-epoch interpolation cleanup.\n',toc);
fprintf(log_file,['See ' filename(1:end-4) '_epoch_interpolations.txt for details.\n']);
end
if ~isempty(o.channel_options.op_ref_chan)
EEG = h_pop_reref(EEG, o.channel_options.op_ref_chan, 'exclude',ext_chans, 'refstate', [], 'keepref', 'on');
end
if (do_saves), EEG = pop_saveset(EEG,'savemode','resave'); end
if using_ALLEEG
fprintf('Done with ALLEEG(%d) - %s.\nTook %d seconds.\n',o.file_options.current_file_num,EEG.setname,toc);
else
fprintf('Done with file %s.\nTook %d seconds.\n',[filepath filesep filename extension],toc);
end
fprintf(log_file,'%.2f - Finished.\n',toc);
if (size(EEG.data,3>1))
fprintf(log_file,'Final baseline variance: %.2f.\n',median(var(mean(EEG.data(:,1:round(EEG.srate*-1*EEG.xmin),:),3),[],2)));
% More stats here!
end
fclose(log_file);
if (using_ALLEEG)
assignin('base','FASTER_TMP_EEG',EEG);
if o.file_options.overwrite_ALLEEG
evalin('base',sprintf('ALLEEG(%d)=FASTER_TMP_EEG; clear FASTER_TMP_EEG',o.file_options.current_file_num));
else
evalin('base','[ALLEEG EEG CURRENTSET] = eeg_store(ALLEEG, FASTER_TMP_EEG);clear FASTER_TMP_EEG;');
end
end
catch
m=lasterror;
EEG_state{1}=evalc('disp(EEG)');
try
if ~isempty(fopen(log_file))
frewind(log_file);
EEG_state{2}=fscanf(log_file,'%c',inf);
try fclose(log_file); catch; end;
end
catch
end
EEG_state{3}=option_wrapper;
EEG_state{4}=builtin('version');
if exist('eeg_getversion','file')
EEG_state{5}=eeg_getversion;
else
EEG_state{5}=which('eeglab');
end
assignin('caller','EEG_state',EEG_state);
rethrow(m);
end
end