Table 4: Improvement analysis.

Ratio (%)EpochXYZ

Improvement by B-spline approximation
Whole curveE392.4291.9891.72
E989.4989.3489.21
SegmentationE377.0771.2566.24
E972.2267.8760.52

Improvement by segmentation
P methodsE389.6086.2388.58
E985.4580.4686.13
B methodsE368.5150.6653.43
E961.5441.1049.24