'Zerocross edge detection' presentation slideshows

A picture is worth more than a 1000 words. It can save a life.

A picture is worth more than a 1000 words. It can save a life. Arjun Watane. Gaussian Derivative. I = imread ( 'brain_tumor_mri_1.jpg' ); I2 = rgb2gray(I); k = fspecial ( ' gaussian ' , [7 7] , 1); %Gaussian filter kernal kdx = conv2(k,[1 0 -1], 'valid' ); %figure; surf( kdx );

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