Process for compressing and expanding structurally associated multiple-data sequences, and arrangements for implementing the process
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United States of America Patent
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Feb 20, 1990
Grant Date -
N/A
app pub date -
May 18, 1987
filing date -
Jul 19, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process and data processing system are disclosed for compressing and expanding structurally associated multiple data sequences. The process is particular to data sets in which an analysis is made of the structure in order to identify a characteristic common to a predetermined number of successive data elements of a data sequence. In place of data elements, a code is used which is again decoded during expansion. The common characteristic is obtained by analyzing data elements which have the same order number in a number of data sequences. During expansion, the data elements obtained by decoding the code are ordered in data series on the basis of the order number of these data elements. The data processing system for performing the processes includes a storage matrix (26) and an index storage (28) having line addresses of the storage matrix (26) in an assorted line sequence.
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