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How to apply imfilter function in 3d
oh = [-1 9 -45 0 45 -9 1] / 60; V_x = imfilter( V, oh, 'corr', 'replicate', 'same' ); V_y = imfilter( V, oh', 'corr', ...
8 years 前 | 0 个回答 | 0
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How to use im2warp with displacement field
A manual of im2warp function says that B = imwarp(A,D) transforms the input image A according to the displacement field defin...
8 years 前 | 1 个回答 | 0
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interpolation with specific region
I want to interpolate only within mask. For example, I set the function value to NaN outside mask. [XX, YY] = mesh...
8 years 前 | 1 个回答 | 0
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Compute image gradient in specific region
There is a binary mask representing specific region. I want to compute gradient and divergence only in this specific region. My ...
8 years 前 | 0 个回答 | 0
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Can I get matrix operator for imfilter?
For example, I can get x-direction gradient of image through u_x = imfilter(u, [1 -1], 'corr','symmetric','same'); But I wa...
8 years 前 | 2 个回答 | 0