Patent ID: 6466954
Filing Date: 2002-10-15
Classification: G06F,G06K

Abstract:
A document image processing apparatus, comprising:a) image input means for inputting a document as image data; b) layout analysis means for analyzing a layout structure of an input image, the layout structure including: 1) each position of a block, the block being a frame of each paragraph in the document, 2) a character line block, the character line block being a frame of each character line in the paragraph, and 3) a word block in the input image, the word block being a frame of each word in the character line; c) layout information memory means for hierarchically storing the layout structure as layout information; d) image display means for discriminately displaying each block overlapped with a corresponding area in the input image according to the position of each block in the layout information; e) operation input means for selecting at least one block from each block in the input image displayed by said image display means, and for inputting an operation command to modify the at least one block; and f) modification means for modifying the corresponding area of a selected block in the input image and the layout structure of the selected block in the layout information according to the position of the selected block and the operation command.