Research Article
Macroblock Layer Rate Control Based on Structural Similarity and Mean Absolute Difference for H.264
Table 4
Average SSIM comparison of the proposed, PRDO, and JM10.1 algorithms (QP = 33).
| Sequence | Target bit rate (kbps) | JM10.1 | PRDO | Proposed |
| Crew | 64 | 0.6385 | 0.7461 | 0.7492 | Carphone | 64 | 0.7839 | 0.7908 | 0.7939 | Highway | 64 | 0.7540 | 0.7611 | 0.7641 | Foreman | 64 | 0.7572 | 0.7643 | 0.7670 | Claire | 64 | 0.6750 | 0.6835 | 0.6869 | Crew | 128 | 0.7683 | 0.7763 | 0.7787 | Carphone | 128 | 0.8333 | 0.8405 | 0.8434 | Highway | 128 | 0.7982 | 0.8050 | 0.8078 | Foreman | 128 | 0.8195 | 0.8266 | 0.8295 | Claire | 128 | 0.7860 | 0.7939 | 0.7972 | Crew | 256 | 0.8592 | 0.8657 | 0.8684 | Carphone | 256 | 0.8745 | 0.8801 | 0.8834 | Highway | 256 | 0.8274 | 0.8339 | 0.8366 | Foreman | 256 | 0.8820 | 0.8869 | 0.8893 | Claire | 256 | 0.8204 | 0.8256 | 0.8284 | Crew | 512 | 0.9142 | 0.9193 | 0.9214 | Carphone | 512 | 0.8974 | 0.9015 | 0.9037 | Highway | 512 | 0.8561 | 0.8608 | 0.8633 | Foreman | 512 | 0.9254 | 0.9334 | 0.9353 | Claire | 512 | 0.8419 | 0.8470 | 0.8499 |
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