Table 5 Cost of analysis part (integer lifting 9/7-wavelet)
From: Invertible update-then-predict integer lifting wavelet for lossless image compression
Item | No. of | No. of | No. of | Sum |
|---|---|---|---|---|
| Â | multiplication | addition | rounding | Â |
α(1 + z) | 2 | 1 | 0 | 3 |
Round after α(1 + z) | 0 | 0 | 1 | 1 |
+ after α(1 + z) | 0 | 1 | 0 | 1 |
β(1 + z) | 2 | 1 | 0 | 3 |
Round after β(1 + z) | 0 | 0 | 1 | 1 |
after β(1 + z) | 0 | 1 | 0 | 1 |
γ(1 + z) | 2 | 1 | 0 | 3 |
Round after γ(1 + z) | 0 | 0 | 1 | 1 |
+ after γ(1 + z) | 0 | 1 | 0 | 1 |
δ(1 + z) | 2 | 1 | 0 | 3 |
Round after δ(1 + z) | 0 | 0 | 1 | 1 |
+ after δ(1 + z) | 0 | 1 | 0 | 1 |
Scaling lifting | 4 | 4 | 3 | 11 |
Sum | 12 | 12 | 7 | 31 |