DIFFERENCE EXTRACTION SYSTEM OF DOCUMENT FILE, IMAGE PROCESSING DEVICE, DIFFERENCE EXTRACTION METHOD OF DOCUMENT FILE AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a difference extraction system of a document file which can narrow down a difference extraction range of two document files and reduce a work burden to confirm different places by a worker.

SOLUTION: An image processing device 1 which is connected with a document management server 2 through a network 4 comprises: input means of a first document file; table of contents generation means for extracting items of each paragraph from the first document file by analyzing a paragraph configuration in the document and generating a table of contents; determination means for determining items of a difference extraction target among the items shown in the generated table of contents; acquisition means for acquiring a second document file which is related to the first document file from the document management server 2; difference extraction means for extracting difference between the first document file and the second document file for a paragraph corresponding to the determined items of the difference extraction target; and control means for causing display means to display the extracted difference or transmitting the difference to an external user terminal device 3.

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