Research Article

A Variational Level Set Approach Based on Local Entropy for Image Segmentation and Bias Field Correction

Figure 4

Comparison of different methods for medical images. The first column: original images and initial contours. The second row: results of RSF model. The third row: results of Li’s model. The fourth row: results of LGDF model. The fifth row: results of Zhang’s model. The sixth row: results of Wang’s model. The last row: results of our method (Image 1: ; Image 2: , ; Image 3: , ; Image 4: , ; Image 5: , ).