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Catalogue of Artificial Intelligence Techniques

Catalogue of Artificial Intelligence Techniques

   

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High-emphasis Filtering

Keywords: transfer function

Categories: Pattern Recognition and Image Processing


Author(s): Luis Jenkins

A method for sharpening images. The differentiation of an image is grossly interpreted in the frequency domain as filtering that emphasizes higher frequency components. As any linear operator in the spatial domain can be converted into an equivalent transfer function in the frequency domain, a linear operator designed to emphasize abrupt changes in intensity can be implemented by a transfer function designed to emphasize areas of high frequency. See also Fourier Transform.


References:


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