JPH0219480B2 - - Google Patents
Info
- Publication number
- JPH0219480B2 JPH0219480B2 JP58058903A JP5890383A JPH0219480B2 JP H0219480 B2 JPH0219480 B2 JP H0219480B2 JP 58058903 A JP58058903 A JP 58058903A JP 5890383 A JP5890383 A JP 5890383A JP H0219480 B2 JPH0219480 B2 JP H0219480B2
- 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.)
- Expired - Lifetime
Links
- 239000013598 vector Substances 0.000 claims abstract description 139
- 238000000926 separation method Methods 0.000 claims abstract description 30
- 238000013139 quantization Methods 0.000 claims abstract description 24
- 230000015654 memory Effects 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 108010076504 Protein Sorting Signals Proteins 0.000 claims description 6
- 238000010606 normalization Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000013507 mapping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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)
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 JPS59183542A (ja) | 1984-10-18 |
JPH0219480B2 true 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) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2785823B2 (ja) * | 1984-12-21 | 1998-08-13 | ソニー株式会社 | テレビジョン信号の高能率符号化装置及び方法、並びに復号装置及び方法 |
JPH0793723B2 (ja) * | 1984-12-19 | 1995-10-09 | ソニー株式会社 | テレビジョン信号の高能率符号化装置及び符号化方法 |
JP2785822B2 (ja) * | 1984-12-19 | 1998-08-13 | ソニー株式会社 | テレビジョン信号の高能率符号化装置及び復号装置 |
JPH088684B2 (ja) * | 1984-12-21 | 1996-01-29 | ソニー株式会社 | 高能率符号の復号装置 |
JPH0793724B2 (ja) * | 1984-12-21 | 1995-10-09 | ソニー株式会社 | テレビジョン信号の高能率符号化装置及び符号化方法 |
JP2548122B2 (ja) * | 1985-07-19 | 1996-10-30 | 松下電器産業株式会社 | 符号化装置 |
JP2653781B2 (ja) * | 1985-12-13 | 1997-09-17 | キヤノン株式会社 | 画像編集処理方法 |
JPS62139089A (ja) * | 1985-12-13 | 1987-06-22 | Nippon Telegr & Teleph Corp <Ntt> | ベクトル量子化方式 |
JP2523286B2 (ja) * | 1986-08-01 | 1996-08-07 | 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 |
JP2808110B2 (ja) * | 1987-08-31 | 1998-10-08 | 大日本印刷株式会社 | デジタル画像データ圧縮方法 |
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 |
JP2638209B2 (ja) * | 1989-06-30 | 1997-08-06 | 日本電気株式会社 | 適応変換符号化の方法及び装置 |
FR2716737B1 (fr) * | 1994-02-25 | 1996-06-07 | Inst Nat Sciences Appliq Lyon | Procédé et dispositif pour la compression d'images en temps réel par quantification vectorielle. |
-
1983
- 1983-04-04 JP JP58058903A patent/JPS59183542A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59183542A (ja) | 1984-10-18 |
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