This is a library for dealing with 2d homography transformations.
library for 2d homographies
The 3x3 homography transformation matrix for transformations in two dimensions is illustrated below.
| x0 | | a b c | | x | | y0 | = | d e f | | y | | z0 | | g h 1 | | 1 | x' = x0 / z0 y' = y0 / z0
For documentation, visit the homography project page