Image processing apparatus utilizing the JBIG method, having a compression/expansion circuit to manage memory more effectively

An image processing apparatus stores image data by compressing the image data in succession to a predetermined resolution, comparing the data before compression and the data after compression at each stage of the compressions to generate encoded data, and storing thus compressed image data and a plu...

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Bibliographic Details
Main Authors KUROSHIMA; MASASHI, HARA; HIROYUKI, MACHIDA; HARUO
Format Patent
LanguageEnglish
Published 19.03.1996
Edition6
Subjects
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Summary:An image processing apparatus stores image data by compressing the image data in succession to a predetermined resolution, comparing the data before compression and the data after compression at each stage of the compressions to generate encoded data, and storing thus compressed image data and a plurality of thus generated encoded data in a memory. For image display or image output, the image data of a resolution required for such image display are prepared from the compressed image data and the encoded data stored in the memory. Thus conversion of image data from the original resolution to the resolution required in the display can be dispensed with.
Bibliography:Application Number: US19930021112