Research Article
An Algorithm for Fast Computation of 3D Zernike Moments for Volumetric Images
Table 4
Elapsed CPU times and the reduction percentage for selected moment orders (second numerical experiment).
| Moment order | Conventional method [21] | Proposed method | Reduction percentage |
| 1 | 0.634301 | 0.068551 | 89.1927% | 3 | 6.880023 | 0.080441 | 98.8308% | 5 | 37.497548 | 0.132576 | 99.6464% | 10 | 303.177357 | 0.198912 | 99.9344% | 12 | 731.124886 | 0.282519 | 99.9614% | 15 | 913.281611 | 0.342348 | 99.9625% |
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