Projective geometry for Computer Vision
Projective geometry for Computer Vision
Projective geometry for Computer Vision
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Affine trans<strong>for</strong>mations preserve the plane/line at infinity<br />
[ A b<br />
0 t 1<br />
] ⎛ ⎝<br />
x 1<br />
x 2<br />
0<br />
⎞ ⎛ ( ) ⎞<br />
⎠ = ⎝ A x1<br />
x 2<br />
⎠<br />
0<br />
A general projective trans<strong>for</strong>mation moves points at infinity to<br />
finite points.<br />
Subhashis Banerjee<br />
<strong>Projective</strong> <strong>geometry</strong> <strong>for</strong> <strong>Computer</strong> <strong>Vision</strong>
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