Research Article
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 |
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