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 orderConventional method [21]Proposed methodReduction percentage

10.6343010.06855189.1927%
36.8800230.08044198.8308%
537.4975480.13257699.6464%
10303.1773570.19891299.9344%
12731.1248860.28251999.9614%
15913.2816110.34234899.9625%