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How to implement Ideal filter for digital image processing?

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Dian Melisa on 9 Jun 2015

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Commented: Dian Melisa on 10 Jun 2015

how can I implements the Ideal Bandpass filter and Ideal Bandreject filter for digital image processing in matlab? thanks for help.

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Image Analyst on 9 Jun 2015

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https://www.mathworks.com/matlabcentral/answers/223126-how-to-implement-ideal-filter-for-digital-image-processing#answer_182133

You'd call fft2(), then zero out the appropriate spatial frequencies, then inverse fft2.

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Image Analyst on 10 Jun 2015

I already did provide examples. Did you not see the two attached demos below my answer?

Dian Melisa on 10 Jun 2015

ok thanks. i missed it before :)

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