Segmentation of Bone with Region Based Active Contour Model in PD Weighted MR Images of Shoulder

Table 1

Segmentation results of three groups of humeral heads before and after postprocessing operation.

Methods and data	Average success rate before postprocessing %				Average success rate after postprocessing %
	Normal humeral head	Humeral head with edema	Humeral head with Hill-Sachs lesion	Average success rate	Normal humeral head	Humeral head with edema	Humeral head with Hill-Sachs lesion	Average success rate
Number of data	81	100	38	219	81	100	38	219
ACWE method	90.79	88.40	86.53	88.95	92.17	90.20	88.90	90.70
SPF method	88.42	87.18	83.25	86.95	90.30	89.32	84.71	88.88