Periodic Wavelet Packet Implementation Applied to ECG Signals Coding
نویسندگان
چکیده
In this work we show a transform coding technique based on the discrete wavelet transform (DWT). In order to select the best base for each consecutively processed signal segment, we use periodic wavelet packets. Its main application is to encode long-term registers of digitized electrocardiogram signal (ECG), in order to reduce the bit rate. The twelve principal cardiac leads were tested obtaining good compression rate and maintaining reconstructed signal accuracy. Key-Words: electrocardiogram (ECG), wavelet packets, filter banks, PRD.
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