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Title:
DATA COMPRESSION METHOD, APPARATUS FOR SAME, AND PROGRAM FOR SAME
Document Type and Number:
WIPO Patent Application WO/2014/155780
Kind Code:
A1
Abstract:
According to this data compression method, when high-order bits among data are identical and continue so as to be equal to or greater than a prescribed number, and when low-order bits among the data are identical and continue so as to be equal to or greater than a prescribed number, the high-order bits that are common among the data are extracted, the run-length number of the high-order bits is enumerated, and the run-length of the low-order bits in the data is compressed to the same data of half run-length. Therefore, because the run-length of data that shares the high-order bits is compressed for each low-order bit even when the data is not identical, compression efficiency is improved even for data having low continuity of identical data.

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Inventors:
MIZUNO YOSHIKI (JP)
KAMON HIROAKI (JP)
Application Number:
PCT/JP2013/075763
Publication Date:
October 02, 2014
Filing Date:
September 24, 2013
Export Citation:
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Assignee:
DAINIPPON SCREEN MFG (JP)
International Classes:
H03M7/46
Foreign References:
JP2004072273A2004-03-04
JPH06202845A1994-07-22
JP2004080148A2004-03-11
JP2003143016A2003-05-16
JP2010211711A2010-09-24
Attorney, Agent or Firm:
SUGITANI Tsutomu (JP)
Tsutomu Sugitani (JP)
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