Research Article
A Novel Multiscale Edge Detection Approach Based on Nonsubsampled Contourlet Transform and Edge Tracking
Figure 14
Edge detection results using different methods for noisy images. (a) Noisy images. (b) Canny edge detector. (c) LoG edge detector. (d) Sobel edge detector. (e) M-Sobel edge detector. (f) Our method.
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