Mathematical Problems in Engineering / 2015 / Article / Tab 1

Research Article

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

Table 1

The input and output bit-widths for each transform of H.264.

4 × 4 forward transform4 × 4 inverse transform8 × 8 forward transform8 × 8 inverse transform
InOutInOutInOutInOut

Row transform9121616912, 131616
Column transform1215161613161616

4 × 4 forward Hadamard4 × 4 inverse Hadamard2 × 2 forward Hadamard2 × 2 inverse Hadamard
InOutInOutInOutInOut

Row transform 1616161616161616
Column transform1616161616161616