A Novel Multiscale Edge Detection Approach Based on Nonsubsampled Contourlet Transform and Edge Tracking

Figure 13

Edge detection results using different methods for original images. (a) Original images. (b) Canny edge detector. (c) LoG edge detector. (d) Sobel edge detector. (e) M-Sobel edge detector. (f) Our method.

(a)

(b)

(c)

(d)

(e)

(f)