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decomp_PARAMS.m
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decomp_PARAMS.m
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%-------------------------------------------------------------------------------
% Parameters for signal decomposition method. See [1].
%
% [1] O'Toole JM. Dempsey EM, Boylan GB (2018) 'Extracting transients from cerebral
% oxygenation signals of preterm infants: a new singular-spectrum analysis method' in Int
% Conf IEEE Eng Med Biol Society (EMBC), IEEE, pp. 5882--5885
% https://doi.org/10.1109/EMBC.2018.8513523
% John M. O' Toole, University College Cork
% Started: 11-02-2021
%
% last update: Time-stamp: <2021-02-17 09:59:00 (otoolej)>
%-------------------------------------------------------------------------------
classdef decomp_PARAMS
properties (Constant)
%---------------------------------------------------------------------
% 1. Embedding dimension:
%---------------------------------------------------------------------
% initial embedding dimension:
L_ssa_ev = 20;
% iterative approach to the decomposition (set to [] to turn off):
ITER_L_ssa_ev = [25 30 35 40];
%---------------------------------------------------------------------
% 2. Methods for selecting the number of components to include
% Either 'Vautard_Ghil', 'eigenvalue_ranking', or 'Celka_MDL'
%---------------------------------------------------------------------
SSA_METHOD = 'vautard_ghil';
%---------------------------------------------------------------------
% 3. use the DCT transform (yes if extracting transients):
%---------------------------------------------------------------------
USE_DCT = true;
% fraction of DCT coefficients to keep:
DCT_CUTOFF = 0.1
%---------------------------------------------------------------------
% 4. Short-time approach (length in hours and overlap in %)
%---------------------------------------------------------------------
st_window_length = 12 * 3600;
st_overlap = 25;
%---------------------------------------------------------------------
% 5. directories/filenames
%---------------------------------------------------------------------
DATA_DIR = [fileparts(mfilename('fullpath')) filesep 'data' filesep];
end
end