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EnglishThis work presents an electrocardiogram ECG data reduction method based on Walsh spectrum double logarithmic quantization. The technique is theoretically justified for a simulated ECG and its practical efficiency confirmed using MIT/BIH arrhythmia database signals. By classifying a “good” compression as one with MSE 0.005 for 1 : 1 spectral reduction, a normal/abnormal ECG mix returned an 87% success rate for waveforms stored with 8– to 11–bit resolution.
http://hdl.handle.net/11566/34885| Titolo: | Reduction of Walsh-transformed electrocardiograms by double logarithmic coding |
| Autori: | |
| Data di pubblicazione: | 2000 |
| Rivista: | |
| Abstract: | This work presents an electrocardiogram ECG data reduction method based on Walsh spectrum double logarithmic quantization. The technique is theoretically justified for a simulated ECG and its practical efficiency confirmed using MIT/BIH arrhythmia database signals. By classifying a “good” compression as one with MSE 0.005 for 1 : 1 spectral reduction, a normal/abnormal ECG mix returned an 87% success rate for waveforms stored with 8– to 11–bit resolution. |
| Handle: | http://hdl.handle.net/11566/34885 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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