CHARACTER RECOGNIZING DEVICE PROVIDED WITH HALF-TONE DOT MESHING REMOVING FUNCTION, AND HALF-TONE DOT MESHING REMOVING METHOD

摘要

PROBLEM TO BE SOLVED: To recognize characters existing in a half-tone dot meshing region with high precision. ;SOLUTION: When any half-tone dot meshed part exists in a region being the object of character recognition segmented from a field extracting part 20, the half-tone dot meshed part is removed by using an FFT(fast Fourier transform) technique by a half-tone dot meshing removing part 30, and any harmful protrusion on the outline of the character can be surely removed by operating blur correction, noise removal, and smoothing. Then, character recognition is operated to the character whose half-tone dot meshed part is removed by a character recognizing part 40.;COPYRIGHT: (C)2000,JPO