Table 1 Lossless compression results
From: Compression of high-density EMG signals for trapezius and gastrocnemius muscles
Method | Signal | Arrangement | Muscle | % of MVC | |||
|---|---|---|---|---|---|---|---|
20% | 40% | 60% | 80% | ||||
ZIP | S k | L | UT | 17.98 ± 0.59 | 14.69 ± 0.66 | ||
ZIP | S k | T | UT | 19.78 ± 0.51 | 16.69 ± 0.67 | ||
JPEG | S k | L | UT | 36.72 ± 0.77 | 31.79 ± 0.79 | ||
JPEG | S k | T | UT | 36.74 ± 0.77 | 31.81 ± 0.78 | ||
JPEG | Δ k | L | UT | 40.86 ± 0.31 | 38.13 ± 0.40 | ||
JPEG | Δ k | T | UT | 40.88 ± 0.31 | 38.15 ± 0.41 | ||
ZIP | S k | L | MG | 37.32 ± 0.89 | 31.73 ± 0.56 | 27.32 ± 0.63 | 25.31 ± 0.66 |
ZIP | S k | T | MG | 38.11 ± 0.82 | 32.94 ± 0.50 | 28.71 ± 0.59 | 26.78 ± 0.65 |
JPEG | S k | L | MG | 59.29 ± 1.21 | 52.52 ± 0.68 | 47.77 ± 0.59 | 45.40 ± 0.76 |
JPEG | S k | T | MG | 59.30 ± 1.20 | 52.53 ± 0.69 | 47.79 ± 0.59 | 45.41 ± 0.77 |
JPEG | Δ k | L | MG | 58.31 ± 0.72 | 53.40 ± 0.53 | 49.88 ± 0.55 | 48.21 ± 0.67 |
JPEG | Δ k | T | MG | 58.31 ± 0.72 | 53.41 ± 0.53 | 49.90 ± 0.55 | 48.22 ± 0.67 |