A method for automatic skewed position correction in acquisition of a text original in the form of digital scan results to be used for further processing. Before their further processing, the scan results are subjected to a skewed position identification in a first step and are subjected to an electronic...http://www.google.com.hk/patents/US4723297?utm_source=gb-gplus-share專利 US4723297 - Method for automatic correction of character skew in the acquisition of a text original in the form of digital scan results
