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Hey guys,
I have a problem in a computer vision application that requires me to find an affine transformation matrix, A.
What I've got are four corners of a quadrilateral, in 2D coordinates on the image plane. These are the projections of the 3D corners of the real quadrilateral onto the image plane.
What I need to find is the 3D affine transformation matrix, A, which transforms the corners of a unit square into the given corners. If I can easily determine if such a transform does not exist, that information would also be useful.
Methods using homogeneous coordinates are fine, of course.
Anyone have any ideas?
- Warren
I have a problem in a computer vision application that requires me to find an affine transformation matrix, A.
What I've got are four corners of a quadrilateral, in 2D coordinates on the image plane. These are the projections of the 3D corners of the real quadrilateral onto the image plane.
What I need to find is the 3D affine transformation matrix, A, which transforms the corners of a unit square into the given corners. If I can easily determine if such a transform does not exist, that information would also be useful.
Methods using homogeneous coordinates are fine, of course.
Anyone have any ideas?
- Warren