Is there a way to imregister some points on a matlab figure

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AAS 2022-3-22

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https://ww2.mathworks.cn/matlabcentral/answers/1677694-is-there-a-way-to-imregister-some-points-on-a-matlab-figure

编辑： Matt J 2022-3-22

Can I do imregister for only some points in the frames and if there is a change at thos epoints, to remove those frames?

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Matt J 2022-3-22

Some example images might help to clarify the task.

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Matt J 2022-3-22

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https://ww2.mathworks.cn/matlabcentral/answers/1677694-is-there-a-way-to-imregister-some-points-on-a-matlab-figure#answer_924084

编辑：Matt J 2022-3-22

If you have individual points as input to the registration, you should use fitgeotrans().

I have so many frames and to do points for each frame woud be quite taxing. What i was hoping for is at those same points in different frames, how much the image changes basically registration using those same points for all frames.

Matt J 2022-3-22

编辑：Matt J 2022-3-22

No, registration does not happen pixel-by-pixel. The pixels enter into the calculation inter-dependently.

Regardless, what benefit are you seeking by restricting the registration operation to a subset of points? Why not register the 2 images in the normal way, and then assess the change at the points of interest after the 2 images have been registered?

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