JPH0352712B2 - - Google Patents
Info
- Publication number
- JPH0352712B2 JPH0352712B2 JP57170748A JP17074882A JPH0352712B2 JP H0352712 B2 JPH0352712 B2 JP H0352712B2 JP 57170748 A JP57170748 A JP 57170748A JP 17074882 A JP17074882 A JP 17074882A JP H0352712 B2 JPH0352712 B2 JP H0352712B2
- Authority
- JP
- Japan
- Prior art keywords
- quantization
- sequence
- buffer memory
- input
- bit length
- 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
- 238000013139 quantization Methods 0.000 claims description 99
- 239000000872 buffer Substances 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 18
- 230000003044 adaptive effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 14
- 238000012545 processing Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000011426 transformation method Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012464 large buffer Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009978 visual deterioration Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57170748A JPS5961279A (ja) | 1982-09-29 | 1982-09-29 | 画像信号の適応形量子化方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57170748A JPS5961279A (ja) | 1982-09-29 | 1982-09-29 | 画像信号の適応形量子化方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5961279A JPS5961279A (ja) | 1984-04-07 |
JPH0352712B2 true JPH0352712B2 (enrdf_load_stackoverflow) | 1991-08-12 |
Family
ID=15910653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57170748A Granted JPS5961279A (ja) | 1982-09-29 | 1982-09-29 | 画像信号の適応形量子化方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5961279A (enrdf_load_stackoverflow) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4920426A (en) * | 1986-11-10 | 1990-04-24 | Kokusai Denshin Denwa Co., Ltd. | Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information |
JPS63280576A (ja) * | 1987-05-12 | 1988-11-17 | Nec Corp | 圧縮符号化方法 |
FR2707070B1 (enrdf_load_stackoverflow) * | 1993-06-22 | 1995-09-08 | Centre Nat Etd Spatiales | |
JP4551997B2 (ja) * | 1999-10-25 | 2010-09-29 | 独立行政法人情報通信研究機構 | 画像の符号化および復号方法と装置 |
KR100718130B1 (ko) * | 2005-06-04 | 2007-05-14 | 삼성전자주식회사 | 디스플레이 구동 장치 및 방법 |
JP4729118B2 (ja) | 2007-03-30 | 2011-07-20 | 富士通株式会社 | 画像データ圧縮装置及び復号装置 |
-
1982
- 1982-09-29 JP JP57170748A patent/JPS5961279A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5961279A (ja) | 1984-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4454546A (en) | Band compression device for shaded image | |
US5337087A (en) | Video signal encoding apparatus | |
EP0385654B1 (en) | Highly efficient coding apparatus | |
EP0677969B1 (en) | Moving picture coding method and an apparatus therefor | |
US4580162A (en) | Adaptive picture image compression system | |
JP3210996B2 (ja) | 高能率符号化装置及び高能率復号化装置 | |
US6014095A (en) | Variable length encoding system | |
JPS59200592A (ja) | カラ−画像の適応形圧縮方式 | |
KR100238066B1 (ko) | 양자화활동도를 이용한 비트 발생량 제어방법 및 그 영상 부호화장치 | |
EP0825779B1 (en) | Moving picture coding apparatus/method with output buffer memory control | |
JPWO2009157580A1 (ja) | 画像処理装置及び画像処理方法 | |
US6668021B2 (en) | Encoding apparatus | |
JPH08116447A (ja) | 画像信号の符号化装置 | |
US5608654A (en) | Image coding apparatus | |
JP3410629B2 (ja) | 可変長符号化回路及び可変長符号化方法 | |
JPWO2009157581A1 (ja) | 画像処理装置及び画像処理方法 | |
JPH0352712B2 (enrdf_load_stackoverflow) | ||
US5202770A (en) | Picture coding apparatus including a coding controller for selecting coding between blocks and frames of image data | |
JPH07236142A (ja) | 高能率符号化装置及び復号化装置 | |
US5561422A (en) | Method and apparatus for variable length coding with reduced memory requirement | |
JPH0412077B2 (enrdf_load_stackoverflow) | ||
JPS61123280A (ja) | 画像デ−タ圧縮装置 | |
JPS5921185A (ja) | 画像信号の符号化方式 | |
JP2856974B2 (ja) | 画像符号化装置 | |
JP2785209B2 (ja) | データ伝送装置 |