Size of each filter.
Width of Gaussian.
Analysis filters, stacked into a vector field.
Gaussian applicability function.
Project an image into a polynomial expansion with a Gaussian applicability with width 1.
Project an image into a polynomial expansion with a Gaussian applicability with width 1.
The 2D image to be expanded into polynomial.
Adjoint operator for apply, reconstructs original image from the polynomial expansion.
Adjoint operator for apply, reconstructs original image from the polynomial expansion.
Quadratic term of projection.
Linear term of projection.
Constant term of projection.
Reconstructed image.
Polynomial filters.
Synthesis filters, stacked into a vector field.
Does a local polynomial expansion of a 2D image assuming constant certainty and a Gaussian applicability. See "Polynomial expansion for orientation and motion estimation," Farneback, section 4.8, equations 4.30