SE8104105L - Sett och anordning for att digitalisera en tidsdiskret videosignal med anvendning av en bildtransformkodning - Google Patents
Sett och anordning for att digitalisera en tidsdiskret videosignal med anvendning av en bildtransformkodningInfo
- Publication number
- SE8104105L SE8104105L SE8104105A SE8104105A SE8104105L SE 8104105 L SE8104105 L SE 8104105L SE 8104105 A SE8104105 A SE 8104105A SE 8104105 A SE8104105 A SE 8104105A SE 8104105 L SE8104105 L SE 8104105L
- Authority
- SE
- Sweden
- Prior art keywords
- group
- video signal
- transform coding
- digitalizing
- coefficients
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8003873A NL8003873A (nl) | 1980-07-04 | 1980-07-04 | Werkwijze voor het digitaliseren van een tijd-discreet videosignaal met toepassing van een beeld-transformatie. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8104105L true SE8104105L (sv) | 1982-01-05 |
SE452235B SE452235B (sv) | 1987-11-16 |
Family
ID=19835565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8104105A SE452235B (sv) | 1980-07-04 | 1981-07-01 | Sett och anordning for att digitalisera en tidsdiskret videosignal med anvendning av en bildtransformkodning |
Country Status (12)
Country | Link |
---|---|
US (1) | US4398217A (sv) |
JP (1) | JPS5746545A (sv) |
AT (1) | AT382749B (sv) |
AU (1) | AU545893B2 (sv) |
CA (1) | CA1164998A (sv) |
DE (1) | DE3124653A1 (sv) |
FR (1) | FR2486334B1 (sv) |
GB (1) | GB2079567B (sv) |
HK (1) | HK27685A (sv) |
NL (1) | NL8003873A (sv) |
SE (1) | SE452235B (sv) |
SG (1) | SG51784G (sv) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8105799A (nl) * | 1981-12-23 | 1983-07-18 | Philips Nv | Stelsel voor het overdragen van een televisiebeeldinformatie middels een beeldbloksgewijze tegen fouten beschermende kode, beeldvormer met inrichting voor het genereren van zo een bloksgewijs beschermende kode, en weergeeftoestel voor het onder dekodering van de kode weergeven van het televisiebeeld. |
US4493106A (en) * | 1981-12-24 | 1985-01-08 | International Computers Limited | Image digitizing systems |
US4432019A (en) * | 1982-03-12 | 1984-02-14 | Maier James J | Simultaneous amplitude sequency apparatus |
US4825451A (en) * | 1982-10-11 | 1989-04-25 | Niravoice, Inc. | Technique for transmission of voice communications and apparatus useful therein |
IT1157128B (it) * | 1982-12-09 | 1987-02-11 | Cselt Centro Studi Lab Telecom | Codificatore e decodificatore di messaggi a lunghezza variabile per sistemi di trasmissione dati |
FR2539262B1 (fr) * | 1983-01-06 | 1987-06-26 | Matra | Perfectionnements au codage numerique d'une image, notamment de television |
NL8300077A (nl) * | 1983-01-11 | 1984-08-01 | Philips Nv | Video opneemapparaat. |
IT8368002A0 (it) * | 1983-09-29 | 1983-09-29 | Sip | Codificatore decodificatore dedicato alla trasmissione e o ricezione di immagini televisive su canale numerico a bassa velocita |
JPS60176365A (ja) * | 1984-02-22 | 1985-09-10 | Dainippon Screen Mfg Co Ltd | 画像信号の圧縮方法 |
EP0241576B1 (de) * | 1986-03-14 | 1992-07-01 | ANT Nachrichtentechnik GmbH | Verfahren zur Verringerung der Datenmenge bei der Bildkodierung |
US4776030A (en) * | 1986-03-28 | 1988-10-04 | Gte Laboratories Incorporated | Block quantizer for transform coding |
FR2597282B1 (fr) * | 1986-04-11 | 1995-03-17 | Guichard Jacques | Procede de quantification dans un codage par transformation pour la transmission de signaux d'image |
NL8601183A (nl) * | 1986-05-12 | 1987-12-01 | Philips Nv | Discrete cosinus transformatie-inrichting. |
CA1296430C (en) * | 1986-11-10 | 1992-02-25 | Masahide Kaneko | Encoding system capable of accomplishing a high efficiency by anterior and/or posterior processing to quantization |
NL8700565A (nl) * | 1987-03-10 | 1988-10-03 | Philips Nv | Televisiesysteem waarin aan een transformatiekodering onderworpen gedigitaliseerde beeldsignalen worden overgebracht van een kodeerstation naar een dekodeerstation. |
NL8700843A (nl) * | 1987-04-10 | 1988-11-01 | Philips Nv | Televisie-overdrachtsysteem met transformcoding. |
US4837619A (en) * | 1987-10-28 | 1989-06-06 | North American Philips Corporation | Scan rate conversion apparatus and method |
JPH03249887A (ja) * | 1990-02-27 | 1991-11-07 | Sony Corp | 映像信号記録装置 |
KR950000830B1 (ko) * | 1990-06-25 | 1995-02-02 | 미쯔비시덴끼 가부시끼가이샤 | 디지탈 비디오 신호의 부호화 방법 및 이를 이용한 고능률 부호화장치 |
US5444490A (en) * | 1992-07-07 | 1995-08-22 | U.S. Philips Corporation | Television system for transmitting pictures in a digital form |
DE69423389T2 (de) * | 1993-06-07 | 2000-09-21 | Koninkl Philips Electronics Nv | Vorrichtung zur Übertragung oder Aufzeichnung von digitalen Fernsehbildern, und Vorrichtung zum Empfang derselben |
JP3058028B2 (ja) * | 1994-10-31 | 2000-07-04 | 三菱電機株式会社 | 画像符号化データ再符号化装置 |
JP4214562B2 (ja) * | 1998-06-26 | 2009-01-28 | ソニー株式会社 | 復号装置 |
WO2000065841A1 (de) * | 1999-04-23 | 2000-11-02 | Siemens Aktiengesellschaft | Verfahren und anordnung zum rechnergestützten auslesen bzw. speichern von transformationskoeffizienten sowie computerprogramm-erzeugnisse |
US8830072B2 (en) * | 2006-06-12 | 2014-09-09 | Intelleflex Corporation | RF systems and methods for providing visual, tactile, and electronic indicators of an alarm condition |
US7796038B2 (en) * | 2006-06-12 | 2010-09-14 | Intelleflex Corporation | RFID sensor tag with manual modes and functions |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984626A (en) * | 1975-08-01 | 1976-10-05 | Bell Telephone Laboratories, Incorporated | Picture signal coder |
DE2706080C2 (de) * | 1977-02-12 | 1986-10-23 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur adaptiven Quantisierung von Transformationskoeffizienten eines Bildes und Anordnung zum Durchführen des Verfahrens |
US4179709A (en) * | 1978-01-10 | 1979-12-18 | Bell & Howell Company | Video information bandwidth compression |
JPS6041915B2 (ja) * | 1978-12-26 | 1985-09-19 | 日本電信電話株式会社 | 画像信号符号化処理方式 |
-
1980
- 1980-07-04 NL NL8003873A patent/NL8003873A/nl not_active Application Discontinuation
-
1981
- 1981-06-23 DE DE19813124653 patent/DE3124653A1/de active Granted
- 1981-06-29 US US06/278,235 patent/US4398217A/en not_active Expired - Fee Related
- 1981-06-29 FR FR8112726A patent/FR2486334B1/fr not_active Expired
- 1981-07-01 JP JP56101407A patent/JPS5746545A/ja active Pending
- 1981-07-01 SE SE8104105A patent/SE452235B/sv not_active IP Right Cessation
- 1981-07-01 GB GB8120269A patent/GB2079567B/en not_active Expired
- 1981-07-02 CA CA000381027A patent/CA1164998A/en not_active Expired
- 1981-07-02 AT AT0295181A patent/AT382749B/de not_active IP Right Cessation
- 1981-07-03 AU AU72557/81A patent/AU545893B2/en not_active Ceased
-
1984
- 1984-07-20 SG SG517/84A patent/SG51784G/en unknown
-
1985
- 1985-04-04 HK HK276/85A patent/HK27685A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5746545A (en) | 1982-03-17 |
US4398217A (en) | 1983-08-09 |
FR2486334A1 (fr) | 1982-01-08 |
FR2486334B1 (fr) | 1986-04-18 |
AU7255781A (en) | 1982-01-07 |
DE3124653C2 (sv) | 1989-12-14 |
DE3124653A1 (de) | 1982-02-11 |
NL8003873A (nl) | 1982-02-01 |
HK27685A (en) | 1985-04-12 |
SG51784G (en) | 1985-03-29 |
AT382749B (de) | 1987-04-10 |
ATA295181A (de) | 1986-08-15 |
AU545893B2 (en) | 1985-08-08 |
GB2079567A (en) | 1982-01-20 |
CA1164998A (en) | 1984-04-03 |
SE452235B (sv) | 1987-11-16 |
GB2079567B (en) | 1984-05-31 |
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