JPS6466699A - Fast vector quantum differentiation method and apparatus - Google Patents

Fast vector quantum differentiation method and apparatus

Info

Publication number
JPS6466699A
JPS6466699A JP62224633A JP22463387A JPS6466699A JP S6466699 A JPS6466699 A JP S6466699A JP 62224633 A JP62224633 A JP 62224633A JP 22463387 A JP22463387 A JP 22463387A JP S6466699 A JPS6466699 A JP S6466699A
Authority
JP
Japan
Prior art keywords
data
input vector
address
vector
representative
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.)
Granted
Application number
JP62224633A
Other languages
Japanese (ja)
Other versions
JP2959633B2 (en
Inventor
Masao Aizu
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP62224633A priority Critical patent/JP2959633B2/en
Publication of JPS6466699A publication Critical patent/JPS6466699A/en
Application granted granted Critical
Publication of JP2959633B2 publication Critical patent/JP2959633B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Abstract

PURPOSE: To obtain a method and device capable of vector quantization with the operation merely reading from a table to input vector data by previously storing a representative number to be outputted into a storage device in correspondence to an input vector using the digital value of the input vector as an address. CONSTITUTION: Input vector data are specified to be e.g. respective four- dimensional eight bits of C. M, Y and K, and a RAM 4 for a four-dimensional lookup table(LUT) is specified to be a memory making data an address value. On the other hand, the representative vector number to the address value previously obtained by processing in accordance with the kind of data is housed in a table file 6 together with a code book. A prescribed table is read from the table file 3 to the RAM 4 in accordance with the kind of data. Then the representative vector number corresponding to the address is read with a LUT selecting arrangement 5 and transmitted as an output together with the code book.
JP62224633A 1987-09-08 1987-09-08 Fast vector quantum differentiation method and apparatus Expired - Fee Related JP2959633B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62224633A JP2959633B2 (en) 1987-09-08 1987-09-08 Fast vector quantum differentiation method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62224633A JP2959633B2 (en) 1987-09-08 1987-09-08 Fast vector quantum differentiation method and apparatus

Publications (2)

Publication Number Publication Date
JPS6466699A true JPS6466699A (en) 1989-03-13
JP2959633B2 JP2959633B2 (en) 1999-10-06

Family

ID=16816769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62224633A Expired - Fee Related JP2959633B2 (en) 1987-09-08 1987-09-08 Fast vector quantum differentiation method and apparatus

Country Status (1)

Country Link
JP (1) JP2959633B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241307A (en) * 1991-12-04 1993-08-31 Societe d'Etudes et de Fabrication Electronique et Radioelectrique-S.E.F. E.R. Sound signaling generation device for pedestrians
KR100709376B1 (en) * 2001-07-05 2007-04-20 삼성전자주식회사 Searching apparatus and method for fast vector quantum coding
US8675974B2 (en) 2009-12-24 2014-03-18 Canon Kabushiki Kaisha Image processing apparatus and image processing method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60130926A (en) * 1983-12-20 1985-07-12 Mitsubishi Electric Corp Tree retrieval vector quantizing device
JPS6171725A (en) * 1984-09-14 1986-04-12 Mitsubishi Electric Corp Vector quantization decoder
JPS61201522A (en) * 1985-03-05 1986-09-06 Mitsubishi Electric Corp Vector quantizing coder
JPS61262378A (en) * 1985-05-16 1986-11-20 Mitsubishi Electric Corp Vector quantization device
JPS62145928A (en) * 1985-12-20 1987-06-30 Fujitsu Ltd Vector quantizing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60130926A (en) * 1983-12-20 1985-07-12 Mitsubishi Electric Corp Tree retrieval vector quantizing device
JPS6171725A (en) * 1984-09-14 1986-04-12 Mitsubishi Electric Corp Vector quantization decoder
JPS61201522A (en) * 1985-03-05 1986-09-06 Mitsubishi Electric Corp Vector quantizing coder
JPS61262378A (en) * 1985-05-16 1986-11-20 Mitsubishi Electric Corp Vector quantization device
JPS62145928A (en) * 1985-12-20 1987-06-30 Fujitsu Ltd Vector quantizing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241307A (en) * 1991-12-04 1993-08-31 Societe d'Etudes et de Fabrication Electronique et Radioelectrique-S.E.F. E.R. Sound signaling generation device for pedestrians
KR100709376B1 (en) * 2001-07-05 2007-04-20 삼성전자주식회사 Searching apparatus and method for fast vector quantum coding
US8675974B2 (en) 2009-12-24 2014-03-18 Canon Kabushiki Kaisha Image processing apparatus and image processing method

Also Published As

Publication number Publication date
JP2959633B2 (en) 1999-10-06

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Legal Events

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