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Recap

  • Panorama = reprojection

  • 3D rotation Î homography

    • Homogeneous coordinates are kewl

  • Use feature correspondence

  • Solve least square problem

    • Se of linear equations

  • Warp all images to a reference one

  • Use your favorite blending

changing camera center

  • Does it still work?

synthetic PP

PP1

PP2

Nodal point

  • http://www.reallyrightstuff.com/pano/index.html

Planar mosaic

Cool applications of homographies

Limitations of 2D Clone Brushing

Oh, Durand & Dorsey

Distortions due to foreshortening and surface orientation

6

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