A method and apparatus for properly orienting an text in order to perform optical character recognition (OCR). The text is digitized and placed into an image. The image is subsampled to determine an initial "guess" about the orientation of the image. If there are are specified number of sets of lines...http://www.google.se/patents/US5235651?utm_source=gb-gplus-sharePatent US5235651 - Rotation of images for optical character recognition
