G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 3/12 (2006.01) G06F 3/14 (2006.01) G06K 9/42 (2006.01) G06T 3/40 (2006.01) H04N 1/21 (2006.01) H04N 1/32 (2006.01)
Patent
CA 2060995
BT9-91-020 A DATA PROCESSING SYSTEM AND METHOD FOR HANDLING INTERCHANGEABLE IMAGE OBJECTS FOR DOCUMENTS HAVING A PLURALITY OF SIZES Abstract A data processing system and method handles interchangeable image objects for documents having diverse sizes and formats. This enables storing, printing and displaying images of documents having a variety of sizes on different types of equipment in the same system. Compressed A and B size document images are stored in a first type image file which is Mixed Object Document Content Architecture format (MO:DCA-P), having a field for the size of the document image. C to E size document images are each divided into component tile images which are each compressed and stored in a second type image file which has a format interchangeable with the format of the first image file, but includes map data relating the tile images to the document image. A preview image can be included in the image file, which can be immediately displayed or printed while the tile images are being decompressed. The second image file is in a second type Mixed Object Document Content Architecture format (MO:DCA-X), which has the same overall format as the MO:DCA-P format. The preview image is concealed in a NoOP field and is used typically by those I/O devices in the system which are capable of handling C to E size documents. This enables the two types of image files to be commingled in a common system storage, permitting the interchangeability of the image objects for documents of diverse size.
Barrett B.p.
International Business Machines Corporation
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