Pattern classification - Brain Research Imaging Centre Edinburgh
Pattern classification - Brain Research Imaging Centre Edinburgh
Pattern classification - Brain Research Imaging Centre Edinburgh
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Multiclass problem<br />
Multiclass<br />
machine<br />
C1<br />
Binary machine<br />
& one-vs.-others<br />
C1<br />
Binary machine<br />
& one-vs.-one<br />
C1<br />
C2<br />
C3<br />
C2<br />
C3<br />
C2<br />
C3<br />
ECOC SVM codewords<br />
C1-C2 C1-C3 C2-C3 L<br />
C1 1 1 0 3<br />
C2 -1 0 1 2<br />
C3 0 -1 -1 1<br />
Example -1 -1 -1 C3<br />
“Error-Correcting<br />
Output Coding”<br />
(ECOC) approach