DE3208859A1 - Adaptive quantisierungsvorrichtung - Google Patents
Adaptive quantisierungsvorrichtungInfo
- Publication number
- DE3208859A1 DE3208859A1 DE19823208859 DE3208859A DE3208859A1 DE 3208859 A1 DE3208859 A1 DE 3208859A1 DE 19823208859 DE19823208859 DE 19823208859 DE 3208859 A DE3208859 A DE 3208859A DE 3208859 A1 DE3208859 A1 DE 3208859A1
- Authority
- DE
- Germany
- Prior art keywords
- quantization
- characteristic
- block
- quantization characteristic
- image
- 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
- 238000013139 quantization Methods 0.000 title claims description 192
- 230000003044 adaptive effect Effects 0.000 title claims description 17
- 230000015654 memory Effects 0.000 claims description 14
- 239000000872 buffer Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002517 constrictor effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 230000004456 color vision Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000035945 sensitivity 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
- H04N1/46—Colour picture communication systems
- H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
- H04N1/648—Transmitting or storing the primary (additive or subtractive) colour signals; Compression thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Analogue/Digital Conversion (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56034909A JPS57150275A (en) | 1981-03-11 | 1981-03-11 | Adaptive quantizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3208859A1 true DE3208859A1 (de) | 1982-09-23 |
| DE3208859C2 DE3208859C2 (en, 2012) | 1988-02-11 |
Family
ID=12427320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823208859 Granted DE3208859A1 (de) | 1981-03-11 | 1982-03-11 | Adaptive quantisierungsvorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4467346A (en, 2012) |
| JP (1) | JPS57150275A (en, 2012) |
| DE (1) | DE3208859A1 (en, 2012) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1212452A (en) * | 1982-06-11 | 1986-10-07 | Tokumichi Murakami | Vector quantizer |
| US4528584A (en) * | 1982-12-03 | 1985-07-09 | Northern Telecom Limited | Bilevel coding of color video signals |
| JPS59200592A (ja) * | 1983-04-27 | 1984-11-13 | Fuji Photo Film Co Ltd | カラ−画像の適応形圧縮方式 |
| JPS6029090A (ja) * | 1983-07-28 | 1985-02-14 | Kokusai Denshin Denwa Co Ltd <Kdd> | ベクトル信号の繰込み量子化方式 |
| CA1205917A (en) * | 1983-11-25 | 1986-06-10 | Andreas H. Weirich | Adpcm encoder/decoder with zero code suppression |
| EP0193185B1 (en) * | 1985-02-28 | 1992-05-13 | Mitsubishi Denki Kabushiki Kaisha | Interframe adaptive vector quantization encoding apparatus |
| JPH02100465A (ja) * | 1988-10-06 | 1990-04-12 | Sharp Corp | 画像符号化方式 |
| US5157488A (en) * | 1991-05-17 | 1992-10-20 | International Business Machines Corporation | Adaptive quantization within the jpeg sequential mode |
| US5663763A (en) * | 1992-10-29 | 1997-09-02 | Sony Corp. | Picture signal encoding method and apparatus and picture signal decoding method and apparatus |
| JPH07322252A (ja) * | 1994-05-23 | 1995-12-08 | Canon Inc | 画像符号化装置 |
| WO1997006479A2 (en) * | 1995-08-03 | 1997-02-20 | Interval Research Corporation | Computerized interactor systems and methods for providing same |
| JPH1169164A (ja) * | 1997-08-21 | 1999-03-09 | Toshiba Corp | 画像符号化方法および画像符号化装置および画像復号化装置および画像形成装置 |
| US6956497B1 (en) | 1997-10-09 | 2005-10-18 | Vulcan Patents Llc | Method and apparatus for sending presence messages |
| US6282206B1 (en) * | 1997-10-09 | 2001-08-28 | Interval Research Corporation | Variable bandwidth communication systems and methods |
| TW391129B (en) * | 1998-04-30 | 2000-05-21 | Hyundai Electronics Ind | Apparatus and method for compressing image data outputted from image semsor having bayer pattern |
| EP1251686A1 (en) * | 1999-08-27 | 2002-10-23 | Celartem Technology, Inc. | Image compressing method |
| US7164719B2 (en) * | 2000-12-08 | 2007-01-16 | Mindspeed Technologies, Inc. | System to reduce distortion due to coding with a sample-by-sample quantizer |
| US7851695B2 (en) * | 2005-12-26 | 2010-12-14 | Kaneka Corporation | Stacked-type photoelectric conversion device |
| JP5417141B2 (ja) * | 2009-12-08 | 2014-02-12 | Ｋｄｄｉ株式会社 | チャネル情報圧縮装置及び方法、コンピュータプログラム、受信機 |
| US9020291B2 (en) | 2012-08-31 | 2015-04-28 | Hewlett-Packard Development Company, L.P. | Resized image compression based on frequency content |
| US11770535B2 (en) * | 2021-02-19 | 2023-09-26 | Samsung Display Co., Ltd. | Systems and methods for joint color channel entropy encoding with positive reconstruction error |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3111823A1 (de) * | 1980-03-26 | 1982-03-11 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Adaptiver quantisierer |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6036153B2 (ja) * | 1976-10-22 | 1985-08-19 | 日本電気株式会社 | 予測符号化装置 |
| JPS5819183B2 (ja) * | 1976-12-13 | 1983-04-16 | 日本電信電話株式会社 | アナログファクシミリ信号の２値サンプリング法 |
| US4141034A (en) * | 1977-08-19 | 1979-02-20 | Bell Telephone Laboratories, Incorporated | Digital encoding of color video signals |
| JPS54114920A (en) * | 1978-02-28 | 1979-09-07 | Kokusai Denshin Denwa Co Ltd | Television signal adaptive forecasting encoding system |
| JPS554108A (en) * | 1978-06-23 | 1980-01-12 | Ricoh Co Ltd | Density corrector |
| JPS5580958A (en) * | 1978-12-15 | 1980-06-18 | Toshiba Corp | Picture signal binary coding system |
| US4394774A (en) * | 1978-12-15 | 1983-07-19 | Compression Labs, Inc. | Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback |
| US4255763A (en) * | 1979-12-26 | 1981-03-10 | Bell Telephone Laboratories, Incorporated | Technique for reducing transmission error propagation in an adaptively predicted DPCM video encoder |
| JPS56100572A (en) * | 1980-01-17 | 1981-08-12 | Fuji Photo Film Co Ltd | Signal processing system of variable density picture |
-
1981
- 1981-03-11 JP JP56034909A patent/JPS57150275A/ja active Granted
-
1982
- 1982-03-09 US US06/356,545 patent/US4467346A/en not_active Expired - Lifetime
- 1982-03-11 DE DE19823208859 patent/DE3208859A1/de active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3111823A1 (de) * | 1980-03-26 | 1982-03-11 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Adaptiver quantisierer |
Non-Patent Citations (2)
| Title |
|---|
| Codierung von Bildsignalen in: NTZ, 23.Bd., H.2, 1972, S.102-103 * |
| KAZMIERCZAK, H.: Erfassung und maschinelle Verarbeitung von Bilddaten, Springer, Wien, New York, 1980, S.98-104 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6257139B2 (en, 2012) | 1987-11-30 |
| US4467346A (en) | 1984-08-21 |
| JPS57150275A (en) | 1982-09-17 |
| DE3208859C2 (en, 2012) | 1988-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3208859A1 (de) | Adaptive quantisierungsvorrichtung | |
| DE3851468T2 (de) | Kodierungsverfahren von Bildsignalen. | |
| DE68922610T2 (de) | Umfassendes System zur Codierung und Übertragung von Videosignalen mit Bewegungsvektoren. | |
| DE2953109C2 (de) | Digitalcodierer zur Faksimile-Übertragung | |
| DE69332584T2 (de) | Verbesserte vorverarbeitung und nachverarbeitung von vektorquantifizierung | |
| DE68906259T2 (de) | Gerät zur Diskret-Kosinus-Transform-Kodierung digitaler Videosignale. | |
| EP0517324B1 (de) | Vorrichtung zur Steuerung des Quantisierers eines Hybridkodierers | |
| DE69029317T2 (de) | Steuerungssystem für die bildkodierung | |
| DE3111823A1 (de) | Adaptiver quantisierer | |
| DE3109795A1 (de) | Bandeinengungsverfahren fuer getoente bilder | |
| DE69123991T2 (de) | Bildverarbeitung mit neuronalem Netzwerk | |
| DE2652459C2 (de) | Umsetzvorrichtung für Binärsignale variabler Länge | |
| DE2740945A1 (de) | Verfahren zum uebertragen von bildsignalen mit hilfe der differenz-puls- code-modulation (dpcm) und gesteuertem quantisierer | |
| DE2913404C2 (de) | Digitale Schaltungsanordnung zur Herbeiführung von Darstellungseffekten bei der Wiedergabe von Video- Signalen | |
| DE69425800T2 (de) | Schaltung zur Feststellung einer Bildbewegung und Schaltung zur Reduzierung des Rauschens | |
| DE3638852A1 (de) | Bildverarbeitungsgeraet und -verfahren | |
| EP0293703A2 (de) | Verfahren zum Aufzeichnen von Quasihalbtonbildern und Vorrichtung zur Umwandlung von Bildpunkt-Tonwertdaten | |
| DE69816949T2 (de) | Verfahren zur Kodierung/Dekodierung von Bildern | |
| EP0335872B1 (de) | Verfahren und schaltungsanordnung zur reduktion der datenrate digitalisierter bilder | |
| DE3876771T2 (de) | Adaptives verfahren zur transformationskodierung und -dekodierung einer folge von bildern und einrichtungen zur durchfuehrung dieses verfahrens. | |
| DE69326586T2 (de) | Einrichtung und Verfahren zur Bildkommunikation | |
| EP0255931B1 (de) | Verfahren zur Übertragung eines Videosignales | |
| DE69617184T2 (de) | Verfahren zur Änderung der Auflösung eines digitalen Bildes | |
| DE69722126T2 (de) | Verfahren zur Halbtonrasterungsumsetzung der Grauwertsignale der Bildelemente eines Bildes und Bildwiedergabegerät | |
| DE69210355T2 (de) | Fernsehsystem zur Übertragung digitalisierter Fernsehbilder von einem Sender zu einem Empfänger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |