'Edge magnitude' diaporamas de présentation

3-D Computater Vision CSc 83020

3-D Computater Vision CSc 83020. Revisit filtering (Gaussian and Median) Introduction to edge detection. Linear Filters. Given an image In ( x , y ) generate a new image Out ( x , y ):

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Sliding Window Filters and Edge Detection

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Sliding Window Filters and Edge Detection

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Sliding Window Filters and Edge Detection

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Filtering

Filtering. Objective improve SNR and CNR Challenges blurs object boundaries and smears out important structures. Averaging using rotating mask. Consider each image pixel (i,j). Calculate dispersion in the mask for all possible mask rotations about (i,j).

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Edge Detection

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