Performance Evaluation of Contour Based Segmentation Methods for Ultrasound Images

Table 3

F-Test for Variances of Caselles and Lankton Method.

F-Test Two-Sample for Dice coefficient Variances			F-Test Two-Sample for Hausdorff distance Variances
Mean	0.845719	0.829609	Mean	19.47198	27.57708
Variance	0.04031	0.045104	Variance	37.91567	103.3178
Observations	8	8	Observations	8	8
df	7	7	df	7	7
F	0.893709		F	0.366981
P(F<=f) one-tail	0.442978		P(F<=f) one-tail	0.104682
F Critical one-tail	0.264058		F Critical one-tail	0.264058