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How can I clear the noise from a picture

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geometry geometry on 30 Jun 2018

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Commented: Image Analyst on 1 Jul 2018

Assume that a picture is multiplied by the noise sin(Ax+By). how can I clear the noise using deconvolution?

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Image Analyst on 30 Jun 2018

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The easiest thing to to not use convolution and just divide by the known pattern. Any reason why you're not doing that?

Otherwise you can find the low frequency spikes in the Fourier domain and erase them. See attached demos.

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geometry geometry on 1 Jul 2018

The question in the homework asks us to use deconvolution.

Image Analyst on 1 Jul 2018

What have you studied about it in class? See this link for tips http://www.mathworks.com/matlabcentral/answers/8626-how-do-i-get-help-on-homework-questions-on-matlab-answers

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