Additional
Information: The systems of geometry studying those properties invariant under projection from one point to another. One of the earlier axiomatic systems.
Projective Sites:
Lecture Notes on Projective Geometry Lecture Notes on Projective Geometry: By Balázs Csikós. Budapest Semesters in Mathematics. In DVI format. (Projective) http://www.cs.elte.hu/geometry/csikos/proj/proj.html
MathWorld MathWorld: Index to articles on Projective Geometry. (Projective) http://mathworld.wolfram.com/topics/ProjectiveGeometry.html
Wilson Stothers' Cabri and Conics Pages Wilson Stothers' Cabri and Conics Pages: A site devoted to (mainly projective geometry) illustrated by Cabri II and CabriJava. (Projective) http://www.maths.gla.ac.uk/~wilson/cabripages/cabri0.html
Projective Geometry Resources Projective Geometry Resources: Part of the Math Forum. (Projective) http://mathforum.org/library/topics/projective_g/
Linear Systems of Conics Linear Systems of Conics: Graphics and formulae for systems of curves defined by linear combinations of quadratic equations. (Projective) http://www.ipfw.edu/math/Coffman/pov/lsoc.html
Important Concepts from Projective Geometry Important Concepts from Projective Geometry: Webtext by Paul Beardsley. (Projective) http://www.dai.ed.ac.uk/CVonline/LOCAL_COPIES/BEARDSLEY/beardsley.html
Projective Geometry for Multiple View Analysis Projective Geometry for Multiple View Analysis: A new framework for studying the problems of camera calibration, motion determination, and 3D structure reconstruction in the most general case of totally uncalibrated views. (Projective) http://www.ai.sri.com/~luong/research/projective.html
An Introduction to Projective Geometry (for Computer Vision) An Introduction to Projective Geometry (for Computer Vision): A monograph aiming to provide a readable introduction to the field of projective geometry and a handy reference for some of the more important equations. HTML, PS or PDF versions. (Projective) http://robotics.stanford.edu/~birch/projective/
Projective Geometry Projective Geometry: Rudolf Steiner's approach. (Projective) http://www.anth.org.uk/NCT/