| 摘要 |
<p>A method for correcting a document image using a histogram according to an embodiment of the present invention includes the steps of: acquiring a document image as a digital format; extracting a histogram on the document image; determining a slope of the document image by analyzing the histogram; and correcting a slop of the document image for the document image to have a target slop based on the determined slop of the document image.</p> |
