absolute_invariant | Normalizing of the Fourier coefficients with regard to the displacment of the starting point. |
compare_coef | Similarity of two contours. |
create_param_cont | Parameterizes the passed contour. |
fourier_1dim | Calculates the Fourier coefficients of a parameterized contour. |
fourier_1dim_inv | One dimensional Fourier synthesis (inverse Fourier transform). |
invariances | Normalizing of the Fourier coefficients. |
move_contour_orig | Transformation of the origin into the centre of gravity. |