Abstract
This paper describes the performance of beat detection and heart rate variability (HRV) feature extraction on electrocardiogram signals which have been compressed and reconstructed with a lossy compression algorithm. The set partitioning in hierarchical trees (SPIHT) compression algorithm was used with sixteen compression ratios (CR) between 2 and 50 over the records of the MIT BIH arrhythmia database. Sensitivities and specificities between 99% and 85% were computed for each CR utilised. The extracted HRV features were between 99% and 82% similar to the features extracted from the annotated records. A notable accuracy drop over all features extracted was noted beyond a CR of 30, with falls of 10% accuracy beyond this compression ratio.
| Original language | English (Ireland) |
|---|---|
| Title of host publication | The effect of lossy ECG compression on QRS and HRV feature extraction |
| Number of pages | 4 |
| Publication status | Published - 1 Oct 2010 |
Authors (Note for portal: view the doc link for the full list of authors)
- Authors
- Twomey, N,Walsh, N,Doyle, O,McGinley, B,Glavin, M,Jones, E,Marnane, WP,
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