How to find the Magnitude and Phase Spectrum of Sobel, Roberts etc. etc. Mask of Image Processing using MATHEMATICA 9.0 platform....
closed as unclear what you're asking by ruebenko, Yves Klett, Jens, Artes, m_goldberg Aug 8 '13 at 12:00
Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.If this question can be reworded to fit the rules in the help center, please edit the question.
You can find most of the definitions for these filters by googling, and once you know the definition it can be put directly into the
Edit: phase information
To get the phase of the gradient, one could use
The default method is the Prewitt filter (if you don't specify any
This does the convolution in each color channel. It may make more sense to first convert to grayscale:
You can simply use
or any other plotting function you like: