An Improved Image Segmentation Algorithm CT Superpixel Grid Using Active Contour

Table 1

Time-consuming comparison of superpixel gridding(s).

Algorithm	Pixel block/piece
	1000	2000	3000	4000
Literature [15] algorithm	0.5	0.8	1.2	1.6
Literature [16] algorithm	0.9	1.2	1.5	2.0
Literature [17] algorithm	1.2	1.6	1.8	2.0
Literature [18] algorithm	1.3	1.5	1.5	1.9
Literature [19] algorithm	0.8	1.5	1.9	2.5
The proposed algorithm	0.3	0.5	0.6	0.8