Table 3 The performance of the proposed rate control scheme.
From: A Joint Watermarking and ROI Coding Scheme for Annotating Traffic Surveillance Videos
| Â | The Proposed Rate Control Scheme | ||||
|---|---|---|---|---|---|
Video | Avg. PSNR (dB) | PSNR var. | Avg. ROI PSNR (dB) | ROI PSNR var. | Bit rate (Kbps) |
Scene 0 | 34.17 | 0.3744 | 33.59 | 1.0278 | 350.31 (+0.088%) |
Scene 1 | 33.83 | 0.6267 | 34.25 | 1.0796 | 349.83 (−0.049%) |
Scene 2 | 34.82 | 0.4374 | 34.82 | 0.9415 | 350.29 (+0.083%) |
Scene 3 | 36.34 | 0.3559 | 35.53 | 0.9324 | 350.33 (+0.093%) |
Scene 4 | 34.11 | 0.4013 | 34.08 | 0.9267 | 350.32 (+0.091%) |
| Â | The IPP Rate Control Scheme | ||||
Video | Avg. PSNR (dB) | PSNR var. | Avg. ROI PSNR (dB) | ROI PSNR var. | Bit rate (Kbps) |
Scene 0 | 34.29 | 0.8007 | 30.97 | 1.4775 | 350.63 (+0.179%) |
Scene 1 | 33.96 | 1.4786 | 31.81 | 2.1151 | 350.49 (+0.140%) |
Scene 2 | 35.12 | 0.7581 | 32.56 | 2.1910 | 350.60 (+0.170%) |
Scene 3 | 36.90 | 1.3165 | 33.64 | 1.4582 | 350.62 (+0.186%) |
Scene 4 | 34.55 | 0.8161 | 32.29 | 1.5951 | 350.57 (+0.162%) |
| Â | The X264 Rate Control Scheme | ||||
Video | Avg. PSNR (dB) | PSNR var. | Avg. ROI PSNR (dB) | ROI PSNR var. | Bit rate (Kbps) |
Scene 0 | 34.51 | 0.5650 | 30.72 | 1.1926 | 353.92 (+1.120%) |
Scene 1 | 34.42 | 0.4963 | 32.18 | 1.4177 | 359.06 (+2.588%) |
Scene 2 | 35.81 | 0.3665 | 32.70 | 1.4449 | 363.40 (+3.829%) |
Scene 3 | 37.32 | 0.5424 | 33.76 | 1.3004 | 359.87 (+2.819%) |
Scene 4 | 35.00 | 0.4485 | 32.60 | 1.0186 | 358.29 (+2.370%) |