Projective Geometry - Institute for Computer Graphics and Vision
Projective Geometry - Institute for Computer Graphics and Vision
Projective Geometry - Institute for Computer Graphics and Vision
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Institut für Elektrische Meßtechnik und Meßsignalverarbeitung<br />
Pinhole Camera<br />
“principal”<br />
point (u 0 ,v 0 )<br />
v<br />
u<br />
p(u,v)<br />
image plane π i (u,v): z = -f<br />
f<br />
y<br />
C<br />
x<br />
z<br />
P(x,y,z)<br />
“optical axis”<br />
P’(x’,y’,z’)<br />
“focal length” f<br />
• “real” camera<br />
• “Pinhole” C … “center of projection”<br />
• 2D projection 3D scene<br />
• p(u,v) ↔ line of sight = viewing direction<br />
Professor Augmented Horst Reality Cerjak, VU 19.12.20051 <strong>Projective</strong> <strong>Geometry</strong> Axel Pinz<br />
7.3.2011<br />
4
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