Data conversion method and apparatus
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Aug 28, 1996
filing date -
Aug 31, 1995
priority date (Note) -
Expired
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Abstract
According to a data conversion method and apparatus, an original signal is wavelet-transformed with a desired expansion count to generate transformed data. The transformed data is corrected such that a difference between the original signal and a value obtained by inversely wavelet-transforming the transformed data falls within a desired tolerance range, thereby generating the corrected transformed data as compressed data in which the original signal is compressed.
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