From: Evaluations on underdetermined blind source separation in adverse environments using time-frequency masking
Feature θ(k, l)
k-means
c-means
(dB)
θ(k,l)= | X 2 ( k , l ) | | X 1 ( k , l ) | , 1 2 π f arg X 2 ( k , l ) X 1 ( k , l ) T
1.8
2.1
θ(k,l)= | X 2 ( k , l ) | | X 1 ( k , l ) | - 1 | X 2 ( k , l ) | | X 1 ( k , l ) | , 1 2 π f arg X 2 ( k , l ) X 1 ( k , l ) T
1.1
1.6
θ(k,l)= | X 2 ( k , l ) | | X 1 ( k , l ) | , 1 2 π f c - 1 d arg X 2 ( k , l ) X 1 ( k , l ) T
7.8
9.2
θ(k,l)= 1 2 π f arg X 2 ( k , l ) X 1 ( k , l )
10.2
8.0
θ(k,l)= 1 2 π f c - 1 d arg X 2 ( k , l ) X 1 ( k , l )
10.1
17.2
θ(k,l)= | X 1 ( k , l ) | A ( k , l ) , | X 2 ( k , l ) | A ( k , l ) , 1 2 π arg X 2 ( k , l ) X 1 ( k , l ) T
4.2
5.4
θ(k,l)= | X 1 ( k , l ) | A ( k , l ) , | X 2 ( k , l ) | A ( k , l ) , 1 2 π f c - 1 d arg X 2 ( k , l ) X 1 ( k , l ) T
10.4
17.4
θ(k,l)= | X 1 ( k , l ) | A ( k , l ) , | X 2 ( k , l ) | A ( k , l ) , 1 α f arg X 2 ( k , l ) X 1 ( k , l ) T