I want to do correlation between 2 same images(1st with 0° and 2nd with some angular deflection) and thereby find angular displacement(θ/π)and displacements-Δx and Δy.

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AHMED FARZEEN THALAYAN KANDY
评论： AHMED FARZEEN THALAYAN KANDY 2021-6-8
I want to do correlation between two same images. One is normal image with 0° angle and the other(same image) with some angle deflection.(Both are same images of same size and dimensions)
1) The image correlation should be done with these two images using matlab. 2) The image should be read(uploaded) using matlab. 3) The angular displacement( change in angle-θ) should be determined. 4) The displacement across the horizontal direction((Δy) and the displacement towards the vertical direction(Δx) should be determined. A single matlab program is needed to do all the above procedures as said. (I have the images with me) and I am uploading the reference image(0° deflection) here.

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回答（1 个）

Sulaymon Eshkabilov
You can pick up the points of interest in both images and use cosine of angles between selected corresponding points points in both images, e.g.:
A = [a1, a2, a3, a4, ...]
B = [b1, b2, b3, b4, ...]
Theta= acos((A'*B)/(norm(A)*norm(B)));

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