Research Article
Adaptive Compressive Sensing of Images Using Spatial Entropy
Table 2
SSIM comparison of various CS-based codec for test images at different measurement rates.
| Test image | BCS | V-ABCS [6] | S-ABCS [7] | Proposed | SSIM | ΔSSIM | SSIM | ΔSSIM | SSIM | ΔSSIM | SSIM |
| = 0.1 | Lenna | 0.5903 | −0.2387 | 0.5447 | −0.2843 | 0.5169 | −0.3121 | 0.8290 | Barbara | 0.4823 | −0.2299 | 0.5886 | −0.1236 | 0.5618 | −0.1504 | 0.7122 | Peppers | 0.5589 | −0.2700 | 0.5521 | −0.2768 | 0.5141 | −0.3148 | 0.8289 | Goldhill | 0.5314 | −0.2392 | 0.5218 | −0.2488 | 0.5037 | −0.2669 | 0.7706 | Mandrill | 0.3312 | −0.259 | 0.3094 | −0.2808 | 0.3100 | −0.2802 | 0.5902 | Avg. | 0.4988 | −0.2474 | 0.5033 | −0.2429 | 0.4813 | −0.2649 | 0.7462 |
| = 0.3 | Lena | 0.8850 | −0.0696 | 0.8556 | −0.099 | 0.9082 | −0.0464 | 0.9546 | Barbara | 0.8482 | −0.0171 | 0.8292 | −0.0361 | 0.8630 | −0.0023 | 0.8653 | Peppers | 0.8826 | −0.0607 | 0.8462 | −0.0971 | 0.8939 | −0.0494 | 0.9433 | Goldhill | 0.8207 | −0.1055 | 0.7939 | −0.1323 | 0.8334 | −0.0928 | 0.9262 | Mandrill | 0.6334 | −0.1995 | 0.6285 | −0.2044 | 0.6312 | −0.2017 | 0.8329 | Avg. | 0.8140 | −0.0905 | 0.7907 | −0.1138 | 0.8259 | −0.0785 | 0.9045 |
| = 0.5 | Lenna | 0.9515 | −0.0285 | 0.9170 | −0.063 | 0.9570 | −0.023 | 0.9800 | Barbara | 0.9367 | 0.0044 | 0.9125 | −0.0198 | 0.9433 | 0.011 | 0.9323 | Peppers | 0.9412 | −0.0273 | 0.9029 | −0.0656 | 0.9422 | −0.0263 | 0.9685 | Goldhill | 0.9164 | −0.0512 | 0.8722 | −0.0954 | 0.9218 | −0.0458 | 0.9676 | Mandrill | 0.7964 | −0.1239 | 0.7843 | −0.136 | 0.8066 | −0.1137 | 0.9203 | Avg. | 0.9084 | −0.0453 | 0.8778 | −0.0760 | 0.9142 | −0.0396 | 0.9537 |
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