L9(Review)

L9(Review) - 1 CS/ECE 181b Midterm Review • Image...

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Unformatted text preview: 1 CS/ECE 181b Midterm Review May 11, 2006 • Image Formation • Projective Geometry • Camera Models • Stereo • Edge Detection 2 Image Formation • Pinhole camera geometry – Perspective projection • Vanishing point – What is it? – How do you geometrically construct the vanishing point of a line in 3-D • Orthographic and Parallel Projections 2-D Projective Geometry • Homogeneous coordinates • Points from lines and lines from points – Intersection of parallel lines – Line at infinity • Duality principle • Conics and Conic Sections – Five points define a conic – Tangent lines and dual conics 3 Homography • Projective Transformations – Isometries – Similarities – Affine Transformation – General projective transformation Central Projection • Pinhole camera geometry revisited – Central projection – Camera calibration matrix – Camera and World coordinate frames • Interior and Exterior Orientation – Finite Projective camera 4 Camera center...
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L9(Review) - 1 CS/ECE 181b Midterm Review • Image...

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