| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of detecting document image content, a method of classifying image pixels to detect a content and a method for finger printing the image and using the fingerprint of the image. <P>SOLUTION: There is provided a method of detecting document image content, the method comprising: separating a document image page into a plurality of image layers (classifier 302); generating two dimensional visual fingerprints of the plurality of image layers; tagging and storing the formed two-dimensional visual fingerprints of the image layers by layer category type; repeating the separating of the document image page, generating the two dimensional visual fingerprints, and storing the two dimensional visual fingerprints for a plurality of document image pages; and detecting image content using the two dimensional visual fingerprints. <P>COPYRIGHT: (C)2012,JPO&INPIT |
