JPS59183542A - 適応型ベクトル量子化器 - Google Patents

適応型ベクトル量子化器

Info

Publication number
JPS59183542A
JPS59183542A JP58058903A JP5890383A JPS59183542A JP S59183542 A JPS59183542 A JP S59183542A JP 58058903 A JP58058903 A JP 58058903A JP 5890383 A JP5890383 A JP 5890383A JP S59183542 A JPS59183542 A JP S59183542A
Authority
JP
Japan
Prior art keywords
vector
block
average value
amplitude
intra
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
JP58058903A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0219480B2 (enrdf_load_stackoverflow
Inventor
Atsumichi Murakami
篤道 村上
Kotaro Asai
光太郎 浅井
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP58058903A priority Critical patent/JPS59183542A/ja
Publication of JPS59183542A publication Critical patent/JPS59183542A/ja
Publication of JPH0219480B2 publication Critical patent/JPH0219480B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3053—Block-companding PCM systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Image Processing (AREA)
JP58058903A 1983-04-04 1983-04-04 適応型ベクトル量子化器 Granted JPS59183542A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58058903A JPS59183542A (ja) 1983-04-04 1983-04-04 適応型ベクトル量子化器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58058903A JPS59183542A (ja) 1983-04-04 1983-04-04 適応型ベクトル量子化器

Publications (2)

Publication Number Publication Date
JPS59183542A true JPS59183542A (ja) 1984-10-18
JPH0219480B2 JPH0219480B2 (enrdf_load_stackoverflow) 1990-05-01

Family

ID=13097756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58058903A Granted JPS59183542A (ja) 1983-04-04 1983-04-04 適応型ベクトル量子化器

Country Status (1)

Country Link
JP (1) JPS59183542A (enrdf_load_stackoverflow)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144990A (ja) * 1984-12-19 1986-07-02 Sony Corp テレビジヨン信号の高能率符号化装置
JPS61144989A (ja) * 1984-12-19 1986-07-02 Sony Corp テレビジョン信号の高能率符号化装置及び符号化方法
JPS61147690A (ja) * 1984-12-21 1986-07-05 Sony Corp 高能率符号の復号装置
JPS61147691A (ja) * 1984-12-21 1986-07-05 Sony Corp テレビジヨン信号の高能率符号化装置
JPS61147689A (ja) * 1984-12-21 1986-07-05 Sony Corp テレビジョン信号の高能率符号化装置及び符号化方法
JPS6221390A (ja) * 1985-07-19 1987-01-29 Matsushita Electric Ind Co Ltd 符号化装置
JPS62139089A (ja) * 1985-12-13 1987-06-22 Nippon Telegr & Teleph Corp <Ntt> ベクトル量子化方式
JPS62140179A (ja) * 1985-12-13 1987-06-23 Canon Inc 画像編集処理装置
JPS6337400A (ja) * 1986-08-01 1988-02-18 日本電信電話株式会社 音声符号化及び復号化方法
JPS63151225A (ja) * 1986-12-16 1988-06-23 Victor Co Of Japan Ltd 適応形高能率符号化方式
JPS6460175A (en) * 1987-08-31 1989-03-07 Dainippon Printing Co Ltd Method for compressing digital image data
JPH01218279A (ja) * 1988-02-26 1989-08-31 Nec Corp 高速ベクトル量子化器
JPH02170787A (ja) * 1988-12-23 1990-07-02 Matsushita Electric Ind Co Ltd ベクトル量子化符号化器とベクトル量子化復号化器
JPH0335299A (ja) * 1989-06-30 1991-02-15 Nec Corp 適応変換符号化の方法及び装置
FR2716737A1 (fr) * 1994-02-25 1995-09-01 Inst Nat Sciences Appliq Lyon Procédé et dispositif pour la compression d'images en temps réel par quantification vectorielle.

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144990A (ja) * 1984-12-19 1986-07-02 Sony Corp テレビジヨン信号の高能率符号化装置
JPS61144989A (ja) * 1984-12-19 1986-07-02 Sony Corp テレビジョン信号の高能率符号化装置及び符号化方法
JPS61147690A (ja) * 1984-12-21 1986-07-05 Sony Corp 高能率符号の復号装置
JPS61147691A (ja) * 1984-12-21 1986-07-05 Sony Corp テレビジヨン信号の高能率符号化装置
JPS61147689A (ja) * 1984-12-21 1986-07-05 Sony Corp テレビジョン信号の高能率符号化装置及び符号化方法
JPS6221390A (ja) * 1985-07-19 1987-01-29 Matsushita Electric Ind Co Ltd 符号化装置
JPS62139089A (ja) * 1985-12-13 1987-06-22 Nippon Telegr & Teleph Corp <Ntt> ベクトル量子化方式
JPS62140179A (ja) * 1985-12-13 1987-06-23 Canon Inc 画像編集処理装置
JPS6337400A (ja) * 1986-08-01 1988-02-18 日本電信電話株式会社 音声符号化及び復号化方法
JPS63151225A (ja) * 1986-12-16 1988-06-23 Victor Co Of Japan Ltd 適応形高能率符号化方式
JPS6460175A (en) * 1987-08-31 1989-03-07 Dainippon Printing Co Ltd Method for compressing digital image data
JPH01218279A (ja) * 1988-02-26 1989-08-31 Nec Corp 高速ベクトル量子化器
JPH02170787A (ja) * 1988-12-23 1990-07-02 Matsushita Electric Ind Co Ltd ベクトル量子化符号化器とベクトル量子化復号化器
JPH0335299A (ja) * 1989-06-30 1991-02-15 Nec Corp 適応変換符号化の方法及び装置
FR2716737A1 (fr) * 1994-02-25 1995-09-01 Inst Nat Sciences Appliq Lyon Procédé et dispositif pour la compression d'images en temps réel par quantification vectorielle.

Also Published As

Publication number Publication date
JPH0219480B2 (enrdf_load_stackoverflow) 1990-05-01

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