A Novel Design of 4-Class BCI Using Two Binary Classifiers and Parallel Mental Tasks
The map between the positive output of the 4
one-versus-all LDA classifier and the 4 classes of the conventional BCI (also
see Table 1) in paradigm A. For example, LDA 3 is a binary classifier
discriminating class 3 against all remaining classes (1, 2, 4). If its positive
output is the largest among all the four binary classifiers, the class of the
conventional BCI will be regarded as 3.
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