ECG Signal Denoising and Features Extraction Using Unbiased FIR Smoothing

<div>Features of the ECG signal extracted using the UFIR smoothing filter (ASmooth-UFIR), basic linear predictor (Linear Predict) [<a href="/journals/bmri/2019/2608547/#B25">25</a>], and UFIR predictive filter (Predict UFIR): (a) <span class="nowrap"><svg height="11.6836pt" id="M494" style="vertical-align:-3.29562pt" version="1.1" viewbox="-0.0498162 -8.38798 21.1612 11.6836" width="21.1612pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M46 650V622C120 617 128 613 128 525V125C128 42 120 34 40 28V0H311V28C221 34 212 39 212 124V281L286 262C297 261 316 261 331 263C429 275 526 338 526 468C526 533 501 579 462 609C422 638 364 650 293 650H46ZM212 559C212 588 215 600 223 606C230 613 251 618 279 618C361 618 430 572 430 464C430 337 350 302 285 302C252 302 225 309 212 314V559Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.319,3.132)"><path d="M526 56L493 58C457 61 448 68 448 119V710C411 697 344 682 288 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Also ST-angle is referenced with 45 grades.</div>

BioMed Research International

fig10

Figure 10

Figure 10: ECG Signal Denoising and Features Extraction Using Unbiased FIR Smoothing 