Fig 1.
The segmentation results of simple image using (14).
Fig 2.
The segmentation result of uneven intensity image using (14).
Fig 3.
Comparison between the Bilateral filtering and the Gaussian filtering for a synthetic image.
(a) Original image. (b) The Gaussian filtering. (c) The Bilateral filtering.
Fig 4.
Illustration of regions Ωk, Ωs and Ωl.
Fig 5.
Segmentation results of partial images.
column 1: initial contour. column 2 to 3: intermediate segmentation results. column 4: final segmentation results.
Table 1.
The permissible range of length term μ, k and ω used in Fig 5.
Fig 6.
Comparisons for a tubal angiography image with varying initial contours.
Fig 7.
Comparisons for a vessel image with variying initial contours.
Fig 8.
Comparisons for an airplane image with varying initial contours.
Fig 9.
Comparisons for a synthetic image with varying initial contours.
Table 2.
Fig 10.
Ground truth invented mannually of (a) Fig 6, (b) Fig 7, (c) Fig 8 and (d) Fig 9.
Table 3.
Fig 11.
Experiments on standard database.
Fig 12.
Comparison of various models in terms the JSC.
Fig 13.
Comparison of various models in terms the DSC.
Table 4.
The JSC and DSC of different models for Fig 11.