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Align 2 matrices to find the minimum difference

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Michael 2019-3-20

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评论： Michael 2019-3-20

采纳的回答： Jan

Hi,

I want to find the difference between two matrices but there might be a rotation misalignment between them. These matrices are simuations of a surface from different sources and both contain some NaN values. Is there a function in Matlab or a way I can find the rotation angle that best aligns the matrices so the difference between them is the minimum possible? Many thanks!

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Jan 2019-3-20

Is the center of rotation known?

Michael 2019-3-20

The center of rotation is not known.

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Jan 2019-3-20

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https://ww2.mathworks.cn/matlabcentral/answers/451142-align-2-matrices-to-find-the-minimum-difference#answer_366389

See: https://www.mathworks.com/help/images/find-image-rotation-and-scale-using-automated-feature-matching.html

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Michael 2019-3-20

Thanks Jan, I'll check this out and accept asap.

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