Content-aware lossless compression and decompression of floating point data

AEM Ciarlini, AL Bordignon, RT de Abreu Pinho… - US Patent …, 2017 - Google Patents
Lossless content-aware compression and decompression techniques are provided for
floating point data, such as seismic data. A minimum-length compression technique exploits
an association between an exponent and a length of the significand, which corresponds to
the position of the least significant bit of the significand. A reduced number of bits from the
significand can then be stored. A prediction method is also optionally previously applied, so
that residual values with shorter lengths are compressed instead of the original values. An …

Content-aware lossless compression and decompression of floating point data

AEM Ciarlini, AL Bordignon… - US Patent …, 2019 - Google Patents
Lossless content-aware compression and decompression techniques are provided for
floating point data, such as seismic data. A minimum-length compression technique exploits
an association between an exponent and a length of the significand, which corresponds to
the position of the least significant bit of the significand. A reduced number of bits from the
significand can then be stored. A prediction method is also optionally previously applied, so
that residual values with shorter lengths are compressed instead of the original values. An …
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