JPS6460112A - Data compressing system - Google Patents

Data compressing system

Info

Publication number
JPS6460112A
JPS6460112A JP21712587A JP21712587A JPS6460112A JP S6460112 A JPS6460112 A JP S6460112A JP 21712587 A JP21712587 A JP 21712587A JP 21712587 A JP21712587 A JP 21712587A JP S6460112 A JPS6460112 A JP S6460112A
Authority
JP
Japan
Prior art keywords
data
correlative
compression
compressing
execute
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP21712587A
Other languages
Japanese (ja)
Inventor
Hideaki Matsushita
Kenji Takeuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
NEC Engineering Ltd
Original Assignee
NEC Corp
NEC Engineering Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, NEC Engineering Ltd filed Critical NEC Corp
Priority to JP21712587A priority Critical patent/JPS6460112A/en
Publication of JPS6460112A publication Critical patent/JPS6460112A/en
Pending legal-status Critical Current

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  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

PURPOSE:To execute efficient compression to the data of high randomization by executing numeric value-conversion to the set of data in which the absolute value of a numeric value is small and after that, executing data compression. CONSTITUTION:In data compressing part 1, a processing is executed to divide a serial data string by a block constituting part 10 for the unit of blocks. On the other hand, difference between correlative data, which is selected and outputted from a correlative data storing part 13 to store the correlative data for one block, and data to execute compression for one block is operated in a differential arithmetic part 11. Based on this result, a correlative data determining part 12 selects the correlative data to be the most efficient to execute the data compression from the correlative data storing part 13 and a differential data compressing part 14 executes the compression of data to be the difference. A correlative data identifying code prepared in the correlative data storing part 13 and compressing data prepared in the differential data compressing part 14 are synthesized to frame data in a frame constituting part 15. Thus, the efficient data compression can be executed to the data of the high randomization.
JP21712587A 1987-08-31 1987-08-31 Data compressing system Pending JPS6460112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21712587A JPS6460112A (en) 1987-08-31 1987-08-31 Data compressing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21712587A JPS6460112A (en) 1987-08-31 1987-08-31 Data compressing system

Publications (1)

Publication Number Publication Date
JPS6460112A true JPS6460112A (en) 1989-03-07

Family

ID=16699243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21712587A Pending JPS6460112A (en) 1987-08-31 1987-08-31 Data compressing system

Country Status (1)

Country Link
JP (1) JPS6460112A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019528027A (en) * 2016-07-29 2019-10-03 フー チャン、カム CHAN framework, CHAN coding and CHAN code

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019528027A (en) * 2016-07-29 2019-10-03 フー チャン、カム CHAN framework, CHAN coding and CHAN code

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