Performance Analysis

Image Quality

GVF Algorithm

The Proposed Algorithm

Initial Contour

Initial Contour

Inside

Outside or Across

Inside

Outside or Across

Whether the interested region is accurately extracted?

Figure 4(a)

high-resolution

No

No

Yes

Yes

Figure 4(b)

fuzzy

No

No

Yes

Yes

Figure 4(c)

concavity

No

No

Yes

Yes

Figure 4(d)

noisy

No

No

Yes

Yes

Figure 4(e)

homogeneous gray

No

No

Yes

Yes