Is it possible to iterate a rigid translation?

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Martina Falchi 2021-5-20

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https://ww2.mathworks.cn/matlabcentral/answers/835403-is-it-possible-to-iterate-a-rigid-translation

评论： Martina Falchi 2021-5-21

Hi everybody, once again I need your precious help.

In your opinion, it is possible to iterate a translation using a transformation matrix like T=[1 0 0 0; 0 1 0 0; 0 0 1 0; tx ty tz 1], with the functions affine3d and imwarp?

I have a 3D matrix and I have to translate it by 30 pixels "i" times along x-axis, so I think that my T has to be like T=[1 0 0 0; 0 1 0 0; 0 0 1 0; 30*i 0 0 1], but I can't develop good code that does what I want. I'd also like to save each translated image (it's a field distribution on a xy plane).

Thanks to anyone who will try to help me!

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Answer 1

Image Analyst 2021-5-20

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https://ww2.mathworks.cn/matlabcentral/answers/835403-is-it-possible-to-iterate-a-rigid-translation#answer_704873

What's wrong with simply using imtranslate()?

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Image Analyst 2021-5-21

I don't think using one built-in function is any more professional than using a different one. If you want to translate a matrix, then use the function built for that, not a more complicated one.

Martina Falchi 2021-5-21