Verfahren und Gerät zur Detektion von Text in Punktmatrixdruck zur Verbesserung von optischer Zeichenerkennung

摘要

The present method and apparatus can be used to detect dot-matrix printed text in a binary digital image and create a filter mask indicating the locations of dot-matrix printed text in the digital image. The serial image data output of the scanning device can be processed at the full data rate of said scanning device.