A method and apparatus for segmenting image data into windows and for classifying the windows as typical image types includes making two passes through the image data. The method includes a step of making a first pass through the image data to identify windows and to record the beginning points...http://www.google.com.au/patents/US5850474?utm_source=gb-gplus-sharePatent US5850474 - Apparatus and method for segmenting and classifying image data