Algorithm and Hardware Design of a Fast Intra Frame Mode Decision Module for H.264/AVC Encoders

Table 2

Results of the proposed intramode decision and comparison with RDO-based decision.

Video	RDO		Proposed decision		RDO versus proposed decision (threshold 600)
	PSNR (dB)	Bit-rate	PSNR (dB)	Bit-rate	PSNR loss	+Bit-rate (%)
Station 2	39.643	34022 k	39.338	35729 k	0.305	5.02
Sunflower	42.766	33030 k	42.413	35391 k	0.353	7.15
Tractor	39.400	58208 k	39.035	60939 k	0.365	4.69
Traffic	39.643	50884 k	39.308	53070 k	0.335	4.30
Manincar	42.609	8818 k	42.518	9018 k	0.091	2.27
Pedestrian area	40.878	24949 k	40.699	26875 k	0.179	7.72
Riberbed	38.652	56735 k	38.280	58962 k	0.372	3.93
Rolling tomatoes	40.475	12170 k	40.387	12537 k	0.088	3.02
Rushhour	41.694	20013 k	41.484	21306 k	0.210	6.46
Average	40.640	33203 k	40.385	34870 k	0.255	5.02