Combining Pattern Classifiers

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NOTATION AND ACRONYMS
p(xjv k )
R n
the class-conditional probability density function for x, given class
v k
the n-dimensional real space
s
the vector of the class labels produced by the ensemble, s ¼
½s 1 , ..., s L Š T
s i
the class label produced by classifier D i for a given input x, s i [ V
V
the variance operator
x a feature vector, x ¼½x 1 , ..., x n Š T , x [ R n (column vectors are
always assumed)
Z
the data set, Z ¼ {z 1 , ..., z N }, z j [ R n , usually with known labels
for all z j
V the set of class labels, V ¼ {v 1 , ..., v c }
v k
a class label