Key result
Novel multilead ECG compression method decorrelates signals via linear transformation and multirate signal processing.
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This paper presents a technical methodology for compressing multichannel ECG data to improve storage or transmission efficiency.
In this paper, a multilead ECG data compression method is presented. First, a linear transform is applied to the standard ECG lead signals which are highly correlated with each other. In this way a set of uncorrelated transform domain signals is obtained. Then, resulting transform domain signals are compressed using various coding methods, including multirate signal processing and transform domain coding techniques.
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Çetin et al. (1993) studied ECG data compression. Multichannel ECG data compression method (KLT and DCT) was evaluated. A multilead ECG data compression method using linear transformation to decorrelate signals followed by multirate signal processing and transform domain coding was presented.
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