A Systematic Hardware Sharing Method for Unified Architecture Design of H.264 Transforms

Table 2

The computational complexity of the original transforms for H.264.

	Adder	Multiplier
1D 8 × 8 forward	56	64
1D 8 × 8 inverse	56	64
2D 4 × 4 forward	240	256
2D 4 × 4 inverse	240	256
2D 4 × 4 Hadamard	240	256
2D 2 × 2 Hadamard	12	16
Total	844	912