| 摘要 |
An apparatus, a method, and a program locate an objective on a form without a black background function or specific marks irrespective of whether or not there are ruled lines on the form.The apparatus, method, and program select a predetermined number of small reference areas in an image of a learning sheet, store data about the small reference areas in a memory, retrieve equivalent small areas corresponding to the small reference areas from an image of an input sheet, and locate a position in the image of the input sheet corresponding to a given position on the learning sheet, according to relationships between the small reference areas and the equivalent small areas. The program is stored in a recording medium that is readable by computer.
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