Research Article
A Novel Ray-Casting Algorithm Using Dynamic Adaptive Sampling
Table 3
Comparison of several distance functions.
| Algorithms | LCC | SPOCC | SSIM | MSSIM | PSNR |
| Without distance function | 0.69 | 0.71 | 0.792 | 0.813 | 29 db | Ray-casting DAS with f1 function | 0.72 | 0.76 | 0.814 | 0.839 | 33 db | Ray-casting DAS with f2 function | 0.76 | 0.79 | 0.857 | 0.874 | 36 db | Ray-casting DAS with f3 function | 0.75 | 0.78 | 0.849 | 0.867 | 35 db | Ray-casting DAS with f4 function | 0.86 | 0.85 | 0.896 | 0.918 | 43 db |
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