A New Approach to Separate Haemodynamic Signals for Brain-Computer Interface Using Independent Component Analysis and Least Squares

Figure 4

The haemodynamic changes calculated with ICA-LS method. (a) The time series of Δ[HbO₂] with PVE compensation and (b) its block average results. (c) The time series of Δ[HHb] with PVE compensation and (d) its block average result.

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(b)

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