how to apply z transform for an image

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Jayasri 2014-6-13

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https://ww2.mathworks.cn/matlabcentral/answers/134040-how-to-apply-z-transform-for-an-image

评论： Dishant Arora 2014-6-13

i am currently working on applying z transform for images. in matlab, there is a function called ztrans in symbolic math toolbox for applying z transformation for symbolic expressions or matrix of symbolic expressions. could any one please suggest me how to apply z transformation for images, just as we would use fft or dwt2 for images?

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Dishant Arora 2014-6-13

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https://ww2.mathworks.cn/matlabcentral/answers/134040-how-to-apply-z-transform-for-an-image#answer_140667

在 MATLAB Online 中打开

doc czt

You can apply czt on each row followed by applying it on each column.

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Jayasri 2014-6-13

Thanks for your reply. And i would also like to know how to perform the inverse for this czt as there is no function in matlab for computing the inverse czt?

Dishant Arora 2014-6-13