METHOD AND APPARATUS FOR DATA COMPRESSION
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United States of America Patent
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Issued Date -
Sep 27, 2012
app pub date -
Mar 21, 2012
filing date -
Mar 22, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of data compression is provided. The method comprises, dividing a stream of sequentially received-generated data coefficients into multiple sets of data coefficients, each set of data coefficients representing a time period and, for each set of data coefficients, selecting N data coefficients having the greatest magnitude, and ordering the N data coefficients according to their magnitude; selecting, for each N ordered data coefficients, a subset of data coefficients having a magnitude greater than a threshold value; comparing the data coefficient with the greatest magnitude from each subset to one another and selecting the Q largest data coefficients; and repeating the previous comparison step excluding the previously selected Q data coefficients until a total of P data coefficients have been selected, where N>P>Q.
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