Quasi-Stationarity of EEG for Intraoperative Monitoring during Spinal Surgeries

Figure 2

Diagram for “window based preconditioning.” (a) Algorithm flowchart for signal preconditioning. (b) The signal 𝑥₃(𝑡) before pre-conditioning from Figure 1(b) along with its power spectrum. (c) The result of preconditioning the signal in (b) and its corresponding power spectrum.