A method and apparatus for differentiating and extracting handwritten annotations and machine printed text in an image. The method provides for the use of morphological operations, preferably at reduced scale, to eliminate for example, the handwritten annotations from an image. A separation mask is produced...http://www.google.de/patents/US5181255?utm_source=gb-gplus-sharePatent US5181255 - Segmentation of handwriting and machine printed text
