Table 2 Dataset information and segmentation performance using fuzzy connectedness method without/with a lookup table

Data size (voxel)

(512, 512, 155)

(512, 512, 165)

(512, 512, 191)

(512, 512, 221)

Voxel size (mm)

0.683 × 0.683 × 1

0.702 × 0.702 × 1

0.613 × 0.613 × 1

0.637 × 0.637 × 1

Running time without a lookup table(s)

158

383

209

278

Running time with a lookup table(s)

74

160

97

119

Speedup factor

2.14

2.39

2.15

2.34

Seed location

(165, 221, 99)

(197, 190, 108)

(158, 229, 95)

(189, 233, 137)

Suggested threshold

0.89

0.779

0.718

0.775