PURPOSE: To provide an alphanumeric letter image recognition device whose recognition quality is more excellent than that of a conventional well-known recognition device in a scientific and industrial environment. CONSTITUTION: A 2nd stage 3 in the alphanumeric letter image recognition device 1 includes 1st and 2nd statistic circuit networks ST1, ST2, 1st and 2nd input terminals of the 1st statistic circuit network ST1 are connected respectively to output terminals of 1st and 2nd memory registers REG1, REG2, 1st and 2nd input terminals of the 2nd statistic circuit network ST2 are connected respectively to output terminals of 2nd and 3rd memory registers REG2, REG3, and the 2nd stage 3 includes a 3rd statistic circuit network STOUT having a plurality of input terminals connecting to a plurality of output terminals of the 1st and 2nd statistic circuit networks ST1, ST2 and a plurality of output terminals being output terminals of the alphanumeric letter image recognition device 1.
ALPHANUMERIC CHARACTER PICTURE RECOGNITION DEVICE