●●● http://upload.wikimediaorg/wikipedia/en/8/81/pinhole-camera.png3... ●●●● ●●●●● Camera: 3D to 2D projection ●●●● Pinhole Camera Perspective model u=FX/Z(nonlinear relation V=FRY/Z Virtual World Screen or cCd center Y sensor Screen Or Thin lens CC or a pin he sensor3D computer vision techniques v.4b2 9 Camera: 3D to 2D projection Perspective model u=F*X/Z (nonlinear relation) v=F*Y/Z F Z Y v World center F Thin lens or a pin hole Virtual Screen or CCD sensor Real Screen Or CCD sensor Pinhole Camera http://upload.wikimedia.org/wikipedia/en/8/81/Pinhole-camera.png