Compression and denoising of the ECG using standard bandwidth variability function

In a previous work we invented the function of local bandwidth variability of an electrocardiogram (P. Augustyniak and R. Tadeusiewicz, 1999). This function represents local density of diagnostic information, and thus expresses the level of importance of any section in the recorded signal. After a year of validation and improvement, we use the standard bandwidth variability function (SBVF) of an ECG for serious modification of the signal in time-frequency domain: denoising and compression. The obtained results, however, only partially verified till now, are quite promising. An example compression ratio is of order of 5.9 with distortion not exceeding 5%.