Patent ID: 8783570
Filing Date: 2014-07-22
Classification: G06K

Abstract:
1. An imaging-based reader for reading a target comprising: a) an imaging and decoding system for imaging one or more standard targets having thereon OCR characters, the imaging and decoding system including focusing optics and a sensor array, the focusing optics defining a field of view for focusing reflected illumination from an image onto the sensor array; and b) a processor including a memory for storing a pattern definition determined from the previously imaged OCR characters and comparing the pattern definition determined from the previously imaged OCR characters to characters in a present image to determine a character content of the present image, wherein the pattern definition defines a string format that summarizes common attributes of a group of strings each describable with said string format, wherein said common attributes includes character type at one or more locations in any string belonging to said group of strings, and wherein the character type includes at least one of an alphabet, a numerical symbol, and a special character.