Revision history [back]

I can partially explain that, this explanation was taken from the book "Multiple View Geometry":

Property of an affine (and projective?) transformation: - If the determinant of the top-left 2x2 matrix is > 0 the transformation is orientation-preserving. - Else if the determinant is < 0, it is orientation-reversing.

I can partially explain that, this explanation was taken from the book "Multiple View Geometry":Geometry".

Property of an affine (and projective?) transformation: - transformation:

• If the determinant of the top-left 2x2 matrix is > 0 the transformation is orientation-preserving. - orientation-preserving.
• Else if the determinant is < 0, it is orientation-reversing.