Research Article
Video Denoising Based on a Spatiotemporal Kalman-Bilateral Mixture Model
Table 1
PSNR and SSIM comparisons of video denoising algorithms for 4 video sequences at 5 noise levels.
| Video sequence noise std () | Salesman | Hall | 10 | 15 | 20 | 50 | 100 | 10 | 15 | 20 | 50 | 100 |
| PSNR results (dB) | ST-GSM [15] | 37.93 | 35.56 | 33.89 | 26.43 | 20.72 | 38.28 | 35.99 | 34.12 | 27.16 | 19.99 | VBM3D [13] | 39.11 | 36.65 | 34.72 | 27.93 | 22.18 | 39.96 | 37.93 | 36.31 | 28.14 | 21.97 | ST-KBM | 35.48 | 33.81 | 33.52 | 29.64 | 22.73 | 35.73 | 33.21 | 32.84 | 28.44 | 23.42 |
| SSIM results | ST-GSM [15] | 0.970 | 0.950 | 0.928 | 0.699 | 0.452 | 0.975 | 0.965 | 0.955 | 0.882 | 0.620 | VBM3D [13] | 0.976 | 0.958 | 0.932 | 0.742 | 0.489 | 0.980 | 0.973 | 0.966 | 0.887 | 0.601 | ST-KBM | 0.954 | 0.942 | 0.934 | 0.864 | 0.734 | 0.978 | 0.970 | 0.967 | 0.929 | 0.830 |
| Video Sequence Noise std () | Akiyo | Silent | 10 | 15 | 20 | 50 | 100 | 10 | 15 | 20 | 50 | 100 |
| PSNR results (dB) | ST-GSM [15] | 40.67 | 38.34 | 36.53 | 28.44 | 21.89 | 37.41 | 35.17 | 33.61 | 27.63 | 21.87 | VBM3D [13] | 42.00 | 39.72 | 37.85 | 30.69 | 23.36 | 38.67 | 36.34 | 34.59 | 28.38 | 23.08 | ST-KBM | 35.09 | 34.66 | 34.06 | 30.17 | 23.67 | 34.26 | 32.78 | 32.29 | 27.98 | 23.10 |
| SSIM results | ST-GSM [15] | 0.980 | 0.969 | 0.958 | 0.852 | 0.673 | 0.963 | 0.943 | 0.922 | 0.787 | 0.561 | VBM3D [13] | 0.984 | 0.976 | 0.964 | 0.871 | 0.614 | 0.970 | 0.951 | 0.928 | 0.773 | 0.535 | ST-KBM | 0.962 | 0.954 | 0.943 | 0.894 | 0.795 | 0.937 | 0.922 | 0.907 | 0.823 | 0.692 |
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