Patent ID: 7844080

Claim:
An image processing system, comprising: a modified area deciding unit that executes processing of deciding a modified area in input image data, which has a previous image and a postscript information to the previous image, the modified area containing an area, which is distinguished as the postscript information; a modified area correlation deciding unit that specifies a related information area of the previous image corresponding to the modified area, the modified area correlation deciding unit that executes processing of deciding a correlation between the modified area and the related information area; a display selecting unit that selects a display mode of the postscript information and related information of the related information area, the display mode being set based on the correlation; and a displaying unit that executes processing of displaying the postscript information and the related information in response to the display mode selected by the display selecting unit, wherein the postscript information is added based on a description which is in the previous image and the modified area, and the modified area correlation deciding unit executes the processing of deciding the correlation, based on one of (i) a connecting line for connecting the modified area and another area that includes the description, and (ii) a similar identifier in the modified area and the other area that includes the description.