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Why do use epipolar lines and what are it's benefits in computer vision ?I am unable to find the uses of epiploar lines and how they are helpful although i am aware of epiploar geometry concepts.

I would be so helpful if someone could pin point one or two uses of epipolar lines in computer vision .

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  • $\begingroup$ Epipolar lines reduce the search space when doing stereo matching. $\endgroup$
    – user16034
    Commented May 16, 2022 at 11:59

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When working with multiple cameras, epipolar geometry enables you to triangulate points in space, find the position of the cameras in space and more stuff addressing multiple cameras.

I can recommend to you the book "Multiple View Geometry" by Richard Hartley and Andrew Zisserman for more detailed understanding. (Chapter 9ff)

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  • $\begingroup$ "calculate the cameras distortion": what ?? $\endgroup$
    – user16034
    Commented May 16, 2022 at 11:58
  • $\begingroup$ I was wrong... the "epipolar line" does not make sense for single camera calibration... corrected the answer $\endgroup$
    – cagcoach
    Commented May 16, 2022 at 12:53

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