JPS5961279A - 画像信号の適応形量子化方式 - Google Patents
画像信号の適応形量子化方式Info
- Publication number
- JPS5961279A JPS5961279A JP57170748A JP17074882A JPS5961279A JP S5961279 A JPS5961279 A JP S5961279A JP 57170748 A JP57170748 A JP 57170748A JP 17074882 A JP17074882 A JP 17074882A JP S5961279 A JPS5961279 A JP S5961279A
- Authority
- JP
- Japan
- Prior art keywords
- quantization
- buffer memory
- sequence
- characteristic
- value
- 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
Links
- 238000000034 method Methods 0.000 title claims description 27
- 230000003044 adaptive effect Effects 0.000 title claims 3
- 239000000872 buffer Substances 0.000 claims abstract description 43
- 238000013139 quantization Methods 0.000 claims description 92
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012464 large buffer Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229930182470 glycoside Natural products 0.000 description 1
- 150000002338 glycosides Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007803 itching Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000009491 slugging Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009978 visual deterioration 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 true JPS5961279A (ja) | 1984-04-07 |
| JPH0352712B2 JPH0352712B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63280576A (ja) * | 1987-05-12 | 1988-11-17 | Nec Corp | 圧縮符号化方法 |
| 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 |
| EP0631443A1 (fr) * | 1993-06-22 | 1994-12-28 | Centre National D'etudes Spatiales | Dispositif pour la transmission d'images relevées par un satellite |
| JP2001128174A (ja) * | 1999-10-25 | 2001-05-11 | Telecommunication Advancement Organization Of Japan | 画像の符号化および復号方法と装置 |
| JP2006338028A (ja) * | 2005-06-04 | 2006-12-14 | Samsung Electronics Co Ltd | ディスプレイ駆動装置及び方法 |
| WO2008126139A1 (ja) * | 2007-03-30 | 2008-10-23 | Fujitsu Limited | 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
Cited By (8)
| 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 |
| EP0631443A1 (fr) * | 1993-06-22 | 1994-12-28 | Centre National D'etudes Spatiales | Dispositif pour la transmission d'images relevées par un satellite |
| FR2707070A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1993-06-22 | 1994-12-30 | Centre Nat Etd Spatiales | |
| JP2001128174A (ja) * | 1999-10-25 | 2001-05-11 | Telecommunication Advancement Organization Of Japan | 画像の符号化および復号方法と装置 |
| JP2006338028A (ja) * | 2005-06-04 | 2006-12-14 | Samsung Electronics Co Ltd | ディスプレイ駆動装置及び方法 |
| WO2008126139A1 (ja) * | 2007-03-30 | 2008-10-23 | Fujitsu Limited | 画像データ圧縮装置及び復号装置 |
| US8306341B2 (en) | 2007-03-30 | 2012-11-06 | Fujitsu Limited | Image data compression apparatus and decoding apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352712B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-08-12 |