Table 3 General properties of different HR tracking techniques
From: Heart rate tracking in photoplethysmography signals affected by motion artifacts: a review
Tracker type | Pre-processing | Solution space | Training | Exercise model | Decorrelation | Real time | Subject specific |
|---|---|---|---|---|---|---|---|
SDT | Required | 0.4–6 Hz | No | Required | Spectral subtraction, noise modeling and smoothing | Not | Not |
SST | // | // | Parameter training | Required | Modeling of exercise | Able to track in real time | // |
SPT | // | // | No | Not specifically | Spectral resolution, filter band width, heuristics and smoothing | Yes | // |
MLT | Not required | Not | Yes | Not required | Not | Yes | Yes |