An optical reader that is configured for classifying an image. The optical reader includes an image analysis component that is configured for classifying the image by evaluating a result of attempting to locate and process a portion of the image as graphical symbol, and configured for classifying the...http://www.google.com.hk/patents/US7413127?utm_source=gb-gplus-share專利 US7413127 - Optical reader for classifying an image
