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Fig. 4 | EURASIP Journal on Advances in Signal Processing

Fig. 4

From: Class-specific discriminant time-frequency analysis using novel jointly learnt non-negative matrix factorization

Fig. 4

Visualization of the JLNMF method on data shown in Fig. 3 a, b. a The decomposed TF bases. b The corresponding coefficients. c The reconstructed class-specific structure in each class (\(\hat {\textbf {V}}_{1d}\) and \(\hat {\textbf {V}}_{2d}\)). d The reconstructed shared TF structure in each class (\(\hat {\textbf {V}}_{1j}\) and \(\hat {\textbf {V}}_{2j}\))

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