1. A character recognition apparatus comprising: first recognition means appropriate to character recognition of a character image in a first language; second recognition means appropriate to character recognition of a character image in a second language; and re-recognition range setting means for setting a re-recognition range in the result of character recognition of plural character images included in a document image by using said first recognition means, for re-recognition by using said second recognition means, based on the result of recognition of an adjacent character image to a character image recognized by said first recognition means as said second language.