18. An image processing apparatus comprising: a data generating unit configured to analyze a file generated as a predetermined format to generate bitmap data, the file including character addition information associated with at least one word contained in the file, the character addition information added manually to the file; an analyzing unit configured to extract layout information regarding character regions and the character addition information from the bitmap data generated by the data generating unit; an optical character recognition (OCR) processing unit configured to convert the character regions included in the layout information extracted by the analyzing unit into character information; an extracting unit configured to extract the at least one word from the character information converted by the OCR processing unit in response to the character addition information having a predefined image characteristic; a searching unit configured to perform a search based on the at least one word extracted by the extracting unit and generate meta-information in accordance with information retrieved by the search; and an electronic document generating unit configured to generate an electronic document according to a description of a predetermined format by adding the meta-information to the character information.
18. An image processing apparatus comprising: a data generating unit configured to analyze a file generated as a predetermined format to generate bitmap data, the file including character addition information associated with at least one word contained in the file, the character addition information added manually to the file; an analyzing unit configured to extract layout information regarding character regions and the character addition information from the bitmap data generated by the data generating unit; an optical character recognition (OCR) processing unit configured to convert the character regions included in the layout information extracted by the analyzing unit into character information; an extracting unit configured to extract the at least one word from the character information converted by the OCR processing unit in response to the character addition information having a predefined image characteristic; a searching unit configured to perform a search based on the at least one word extracted by the extracting unit and generate meta-information in accordance with information retrieved by the search; and an electronic document generating unit configured to generate an electronic document according to a description of a predetermined format by adding the meta-information to the character information. 19. The apparatus according to claim 18 , wherein the data generating unit is further configured to generate tag information for displaying object information from the file generated as the predetermined format.