Tuesday, 17 September 2013

How to get camera transform matrix from camera projection matrix?

How to get camera transform matrix from camera projection matrix?

Hi I have a camera projection matrix and I want to get the corresponding
camera transform matrix.
The projection matrix(P) is 3*4, which converts a 3D-point's homogeneous
coordinate into a planar homogeneous coordinate.
Now in my scenario, I can only specify the camera transform matrix, which
describes how the camera is positioned. So how can I get the matrix
transform matrix from camera projection matrix?

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