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1. Define Discrete Fourier transform and Discrete Cosine transform and also discuss the advantages and disadvantages of the same. 2. Discuss Laplacian of Gaussian filter
1. Define Discrete Fourier transform and Discrete Cosine transform and also discuss the advantages and disadvantages of the same. 2. Discuss Laplacian of Gaussian filter (LOG) using mathematical expression. Why LOG operator may be considered a better edge detection compared to the Laplacian operator
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