Determine the Center of Rotation from a set of images

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James Eder 2017-5-12

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https://ww2.mathworks.cn/matlabcentral/answers/340006-determine-the-center-of-rotation-from-a-set-of-images

评论： Morgan Facchin 2019-8-19

I would like an efficient algorithm to determine the center of rotation from a set of N images. The set of images are of the same scene in which the camera was rotated by a mechanical axis. For sure, the center of rotation is within the image, very close to the center of the image. I do know the amount of angular rotation of scene for each image, as this was commanded by the robot.

I can envision a brute force method using image registration with 3 dof (x,y,theta). However, I feel that there exists a more elegant way to get this done using a transform or some other method like taking the average of all images and looking for the "North Star" point. Thanks.

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Morgan Facchin 2019-8-19

Hello,

This post is a bit old but I'm asking anyway, I am trying so do the exact same thing, did you find any nice way of doing it? I also had that "North Star" thought but still can't do anything satisfactory!

Thanks ;)

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