Plane-Based Sampling for Ray Casting Algorithm in Sequential Medical Images

Table 1

Comparison of two sampling methods.

Objects and sizes	Head; 512 × 512 × 295	Heart; 512 × 512 × 41
Spacing; (mm × mm × mm)	0.486 × 0.486 × 0.700	0.318 × 0.318 × 2.000
Sampling distance (mm)	0.3	0.3
Time by the traditional (s)	58.274	7.192
Time by the proposed (s)	17.158	2.043
Acceleration rate	3.606	3.52