Research Article

Multiple Active Contours Driven by Particle Swarm Optimization for Cardiac Medical Image Segmentation

Table 3

Average of the area and perimeter in pixels obtained from the traditional ACM, graph cut method, our proposed method (MACPSO), and the regions outlined by two experts from the sets of CT and MR images.

Method Set of CT imagesSet of MR images
Area Perimeter Area Perimeter

Expert 1 9904.5 pix. 355.209 pix. 5796.0 pix. 291.645 pix.
Expert 2 10369.5 pix. 370.137 pix. 6250.5 pix. 310.13 pix.
ACM 9529.5 pix. 367.634 pix. 7283.5 pix. 350.734 pix.
Graph cut 10036.5 pix. 410.673 pix. 7405.0 pix. 383.992 pix.
MACPSO 10439.5 pix. 376.902 pix. 6385.5 pix. 308.009 pix.