Patent ID: 8548240

Claim:
An image processing apparatus comprising: region division unit configured to divide input document data into a body region, a caption region, and an object region to which the caption region is appended; text information acquisition unit configured to acquire text information included in each of the body region and the caption region divided by said region division unit; link processing unit configured to search the text information in the body region for an anchor term configured by a predetermined character string, to extract an anchor term configured by a predetermined character string from the text information in the caption region, and to generate a bi-directional link between a portion corresponding to the anchor term in the body region and a portion of the object region to which the caption region is appended; and conversion unit configured to convert the input document data into digital document data in which the portion corresponding to the anchor term in the body region and the portion corresponding to the object region to which the caption region is appended are bi-directionally linked based on the link generated by said link processing unit, wherein, if a plurality of identical anchor terms are found in the body region by said link processing unit, said link processing unit generates the link including control information which controls to, when the portion corresponding to the object region is operated by a user, highlight one of portions corresponding to the plurality of identical anchor terms in the body region, and to display a button used to display a portion corresponding to another anchor term of the plurality of identical anchor terms in the body region.