Digital Speech Processing Using Matlab by E. S. Gopi

Author:E. S. Gopi
Language: eng
Format: epub
Publisher: Springer India, New Delhi

Fig. 1.32Illustration of ICA using scatter plots of a original signals, b mixed signals, c uncorrelated signals using PCA, and d independent signals using ICA (after 1,000 iterations)

Fig. 1.33Original signals

Fig. 1.34Mixed signals

Fig. 1.35Uncorrelated signals obtained using PCA

Fig. 1.36Independent signals obtained using ICA

Fig. 1.37 a 2D scatter plot (corresponding to the largest two eigenvalues) using ICA for the training data and b 2D scatter plot using ICA for the testing data

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