Table 3 Cost of analysis part (IUPILWs)
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 |
u(z) | 1 | 0 | 0 | 1 |
Round after u(z) | 0 | 0 | 1 | 1 |
+ after u(z) | 0 | 1 | 0 | 1 |
p(z) | N | N −1 | 0 | 2N −1 |
Round after p(z) | 0 | 0 | 1 | 1 |
+ after p(z) | 0 | 1 | 0 | 1 |
Scaling lifting | 4 | 4 | 3 | 11 |
Sum | N + 5 | N + 5 | 5 | 2N + 15 |