8. The form recognition apparatus according to claim 7 , further comprising: a storage unit capable of storing a database in which headline wordings that may appear in a unit table structure being a unit for entering one or more pieces of related data in the form are defined in a hierarchical structure for each unit table structure, wherein the table structure determination unit determines the entire table structure existing in the form image, referring to a database stored in the storage unit.
7. The form recognition apparatus according to claim 6 , further comprising: a table structure determination unit capable of for determining a table structure existing in the form image, on the basis of a headline wording extracted by the character string extraction unit and arrangement of the headline wordings in the form image, wherein the position specification unit specifies the position using a determination result of the table structure determination unit; and the phrase creation unit creates a headline wording to exist in the position from a determination result of the table structure determination unit.