Low-Complexity Hierarchical Mode Decision Algorithms Targeting VLSI Architecture Design for the H.264/AVC Video Encoder

Table 1

Comparison among SAD, SSD, and SATD.

SATD versus SAD			SSD versus SAD
PSNR (dB)	Bit rate (%)	Number of Sums (%)	PSNR (dB)	Bit rate (%)	Number of Sums (%)
+0.008	−0.63	+361.29	+0.079	−1.13	+348.39