Scan-Along Polygonal Approximation for Data Compression of Electrocardiograms

  title={Scan-Along Polygonal Approximation for Data Compression of Electrocardiograms},
  author={Masa Ishijima and S. Shin and G. H. Hostetter and Jack Sklansky},
  journal={IEEE Transactions on Biomedical Engineering},
Three fast and efficient "scan-along" algorithms for compressing digitized electrocardiographic data are described. These algorithms are "scan-along" in the sense that they produce the compressed data in real time as the electrocardiogram is generated. The algorithms are based on the minimum perimeter polygonal approximation for digitized curves. The approximation restricts the maximum error to be no greater than a specified value. Our algorithms achieve a compression ratio of ten on a database… CONTINUE READING
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