| 摘要 |
When a plurality of images are combined together, a positioning error can occur. To correct positioning error, the images may be displayed on a display, and a user may specify a correction value using an operation device. However, in a case where the operation device does not have high performance or the display does not have a screen large enough to provide sufficiently high viewability, the correction of the positioning error is difficult. In the present invention, in view of the above, a sheet is printed and a user describes on the sheet a correction value in terms of relative position of a plurality of images stored in a memory. The sheet is read by a reading apparatus, and an image obtained is analyzed to determine the specified correction value. The relative position of the plurality of images stored in the memory is corrected based on the determined correction value.
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