**Subhashis Banerjee**
* Dept. Computer Science and Engineering*

IIT Delhi

- The main problems in computer vision
- An infinitely strange perspective
- The pin-hole camera model

- Basics of Projective Geometry
- Affine and Euclidean geometries
- Spherical geometry
- Projective geometry
- Canonical injection of into and Points at infinity
- Lines and conics in
- Planes and lines in
- Projective basis
- Collineations

- Camera models
- The Projective Camera
- The Perspective Camera
- The Affine Camera
- The Weak-Perspective Camera
- The orthographic camera

- Anatomy of a projective camera
- The optical center
- The column vectors of the camera matrix
- The row vectors of the camera matrix
- The Principal axis and the principal point
- Pin-hole camera revisited

- Camera calibration
- Tsai camera model and calibration
- Camera calibration and absolute conic
- What does calibration give?
- The image of the absolute conic
- A simple calibration device
- Vanishing points and vanishing lines
- Zhang's camera calibration

- About this document ...

Subhashis Banerjee 2008-01-20