Decomposition of a projective transformation

$\displaystyle {\bf H} = {\bf H_S}{\bf H_A}{\bf H_P} =
\left[
\begin{array}{ll}
...
...left[
\begin{array}{ll}
{\bf A} & {\bf t} \\
{\bf v}^T & v
\end{array}\right]
$

The decomposition is valid is $ v \neq 0$ and is usique if $ s$ is positive.



Subhashis Banerjee 2008-01-20