Research Article
Low-Complexity Hierarchical Mode Decision Algorithms Targeting VLSI Architecture Design for the H.264/AVC Video Encoder
Table 4
Bit rate and PSNR for fast inter-frames mode decision and RDO-based mode decision.
| Video sequence | RDO decision | Fast inter frame mode Decision | RDO × Fast Inter frame mode Decision | PSNR (dB) | Number of Bits (Kbits) | PSNR (dB) | Number of Bits (Kbits) | PSNR (dB) | bits (%) |
| Station 2 | 39.64 | 4407 | 39.60 | 4630 | −0.04 | +5.06 | Sunflower | 42.58 | 7105 | 42.59 | 7636 | +0.01 | +7.47 | Tractor | 38.92 | 11344 | 38.87 | 11897 | −0.05 | +4.87 | Man in car | 42.43 | 2138 | 42.40 | 2171 | −0.03 | +1.54 | River bed | 40.36 | 3427 | 40.32 | 3740 | −0.04 | +9.13 | Rolling tomatoes | 41.47 | 3711 | 41.40 | 4066 | −0.07 | +9.57 | Rush hour | 40.44 | 6933 | 40.38 | 7596 | −0.06 | +9.56 |
| Average | 40.83 | 5581 | 40.79 | 5962 | −0.04 | +6.84 |
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