Figure 1

Scanning process. Beginning of the first scanning, where the breakpoint (dotted line) segments the first four time points from the rest of the signal. b) End of the first scan, when the breakpoint separates the last four time points from the rest of the signal. c) Cost function of all scanned window partitions. The optimal break point is marked with an arrow. d) Signal extraction by the optimal window partition. The scanning process is now repeated for each of the two windows individually. The two windows represent optimal partitions of signals with distinct noise structures. Therefore, the optimal values of d and λ identified for each window reflect that distinction, are respectively 4 and 1 for the pre-partition signal and 4 and 10^6.7525 for the post-partition signal.