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Allow to choose the scale used for covariance matrix (wMEM) #55

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Merged
Edouard2laire merged 3 commits into from
Jul 6, 2026
Merged

Allow to choose the scale used for covariance matrix (wMEM) #55

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aa145ff
Allow to choose the scale used for covariance matrix (wMEM)
Edouard2laire Jun 9, 2026
1a37489
use selected_scales_covariance instead
Edouard2laire Jun 9, 2026
6de72e3
typo
Edouard2laire Jun 10, 2026
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7 changes: 1 addition & 6 deletions best/wmem/preprocess/be_wdata_preprocessing.m
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Original file line number Diff line number Diff line change
Expand Up @@ -185,15 +185,10 @@

case 6
% Scale one which the noise covariance is calculated
if strcmp(OPTIONS.automatic.Modality(ii).name, 'NIRS')
isc = 3;
else
isc = 2;
end
isc = OPTIONS.wavelet.selected_scales_covariance;

% Select the wavelet coefficient for scale isc
% (exclude the 5 first and last boxes)

w1 = wavelet_obj.data{1}(:,end/2^(isc)+6:end/2^(isc-1)-5)';

% The following code might be more robust but needs to
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5 changes: 5 additions & 0 deletions best/wmem/solver/be_wmem_pipelineoptions.m
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Expand Up @@ -41,6 +41,11 @@
DEF.wavelet.nb_levels = 128;
DEF.wavelet.shrinkage = 0;
DEF.wavelet.selected_scales = 0;
if any(ismember( 'nirs', lower(DataTypes)))
DEF.wavelet.selected_scales_covariance = 3;
else
DEF.wavelet.selected_scales_covariance = 2;
end
DEF.wavelet.verbose = 0;
DEF.wavelet.single_box = 0;

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