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Denoising of Images and Detection of Sharp Edges with Improvement in Classical Edge Detectors

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Academic year: 2020

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Figure

Fig. 4: Kernel of prewitt edge detector     Laplacian is a 2-D isotropic measure of the 2nd spatial derivative of an image
Fig. 5:  Three commonly used discrete approximations to the Laplacian filter
Fig. 6: Proposed algorithm to detect sharp edges
Fig. 9: Prewitt operator output with proposed method
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