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Prewitt edge detector - PowerPoint PPT Presentation

Find the location of the points as follows: w=[-1 -1 -1; -1 8 -1; -1 -1 -1];

Find the location of the points as follows: w=[-1 -1 -1; -1 8 -1; -1 -1 -1]; g=abs(imfilter ( double(f), w); T=max(g(:)); g=g >=T; imshow(g);. w=[2 -1 -1;-1 2 -1; -1 -1 2]; g=imfilter(double(f), w); imshow(g, []) %Fig.10.4-b g=abs(g( :)); figure, imshow(g, [ ]) % Fig.10-4-e

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465 views • 37 slides

Image Features - I

Image Features - I. Hao Jiang Computer Science Department Sept. 22, 2009. Outline. Summary of convolution and linear systems Image features Edges Corners Programming Corner Detection. Properties of Convolution. 1. Commutative: f * g = g * f 2. Associative

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428 views • 30 slides

Image Features - I

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390 views • 30 slides

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Prewitt edge detector - PowerPoint PPT Presentation

Find the location of the points as follows: w=[-1 -1 -1; -1 8 -1; -1 -1 -1];

Image Features - I

Image Features - I