BioMed Research International / 2018 / Article / Fig 4

Research Article

Autodetection of J Wave Based on Random Forest with Synchrosqueezed Wavelet Transform

Figure 4

The time-frequency curve of the ECG fragment when the center frequency is 45hz. (a) The TF-plane WT-based of J wave-positive. (b) The TF-plane WT-based of J wave-negative. (c) The TF-plane SST-based of J wave-positive. (d) The TF-plane SST-based of J wave-negative.
(a)
(b)
(c)
(d)

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.