An Efficient Technique for Compressing ECG Signals Using QRS Detection, Estimation, and 2D DWT Coefficients Thresholding

Figure 11

Compression system applied on (a) record 100 (CR = 15.3, PRD = 0.502, PSNR = 48.2) and (b) record 220 (CR = 22.1, PRD = 0.61, PSNR = 47.7).

(a)

(b)