ADAPTIVE CHARACTER EXTRACTION METHOD AND SYSTEM

摘要

ADAPTIVE CHARACTER EXTRACTION METHOD AND SYSTEMAbstract of the DisclosureA method and a system for extractingcharacter information from a signal matrix of graylevel picture elements which compares pixel elementspositioned in annular rings around a central pixel ofinterest to determine neighbor pair occurrences forpurposes of eliminating spurious signals and forestablishing a threshold for each document read whichis used to eliminate undesired signals from the signalmatrix.