9. The document image processing method according to claim 8 , wherein arranging the respective character row images and includes, arranging a line image in the sentence region, and each line image is constituted by dividing an image constituted by connecting the contracted respective character row images by a length of a line of the sentence region.
8. A document image processing method comprising; extracting at least one of character row images included in the specified sentence region; recognizing respective characters included in the extracted character row image; interpreting an original sentence character row comprising the recognized characters and generates an interpreted sentence character row; arranging the respective character row images in the sentence region by contracting the respective character row images, the respective character row images each including an image of an original character row, and the generated respective interpreted sentence character rows in a vacant region except a region arranging the respective character row images from the sentence region; and generating a data of an output document arranged with the respective character row images and the respective interpreted sentence character rows in the sentence region, wherein the arranging includes arranging the interpreted sentence character row and the original sentence character row by first aligning the interpreted sentence character row and the original sentence character row, then by correcting a size of the longer of the interpreted sentence character row and the original sentence character row to match the length of the shorter, and then by confining the interpreted sentence character row and the original sentence character row in the sentence region.