Characterisation of line drawings using generalised Fourier descriptors
N.B.J. Weyland, Ramjee Prasad · Electronics Letters · 1990
Generalised Fourier descriptors (GFDs) are defined for use with differential chain codes (DCC) to characterise line drawings. This technique be useful for the recognition of handwritten patterns. Expressions are derived for evaluating the GFDs for open as well as closed curves.