SE8007257L - Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforing - Google Patents
Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforingInfo
- Publication number
- SE8007257L SE8007257L SE8007257A SE8007257A SE8007257L SE 8007257 L SE8007257 L SE 8007257L SE 8007257 A SE8007257 A SE 8007257A SE 8007257 A SE8007257 A SE 8007257A SE 8007257 L SE8007257 L SE 8007257L
- Authority
- SE
- Sweden
- Prior art keywords
- picture elements
- order
- way
- picture
- perform signal
- Prior art date
Links
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
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
- H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
- H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
-
- 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
- H04N1/41—Bandwidth or redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13459579A JPS5658368A (en) | 1979-10-17 | 1979-10-17 | Band compressing method |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8007257L true SE8007257L (sv) | 1981-04-18 |
SE448045B SE448045B (sv) | 1987-01-12 |
Family
ID=15132053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8007257A SE448045B (sv) | 1979-10-17 | 1980-10-16 | Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforing |
Country Status (4)
Country | Link |
---|---|
US (1) | US4470072A (sv) |
JP (1) | JPS5658368A (sv) |
DE (1) | DE3038953C2 (sv) |
SE (1) | SE448045B (sv) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4700234A (en) * | 1983-08-30 | 1987-10-13 | Canon Kabushiki Kaisha | Image processing system |
US4633325A (en) * | 1983-09-01 | 1986-12-30 | Nec Corporation | Adaptive predictive encoding and/or decoding apparatus |
JPS60148279A (ja) * | 1983-12-28 | 1985-08-05 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 画像処理システム |
US4633490A (en) * | 1984-03-15 | 1986-12-30 | International Business Machines Corporation | Symmetrical optimized adaptive data compression/transfer/decompression system |
JPH0783427B2 (ja) * | 1984-04-03 | 1995-09-06 | キヤノン株式会社 | 画像伝送方法 |
US4719642A (en) * | 1985-02-27 | 1988-01-12 | Scientific Atlanta, Inc. | Error detection and concealment using predicted signal values |
US4717956A (en) * | 1985-08-20 | 1988-01-05 | North Carolina State University | Image-sequence compression using a motion-compensation technique |
EP0238254B1 (en) * | 1986-03-20 | 1992-05-27 | AT&T Corp. | Data compression using block list transform |
US5848194A (en) * | 1994-12-16 | 1998-12-08 | Canon Kabushiki Kaisha | Coding/decoding apparatus and coding/decoding method |
JP3694999B2 (ja) * | 1996-08-07 | 2005-09-14 | 富士ゼロックス株式会社 | 画像符号化装置および画像復号装置ならびにそれらの方法 |
JPH1093827A (ja) * | 1996-09-11 | 1998-04-10 | Canon Inc | 画像処理方法とその装置 |
JP4993676B2 (ja) * | 2006-09-01 | 2012-08-08 | キヤノン株式会社 | 画像符号化装置及び画像符号化方法 |
US8571306B2 (en) * | 2011-08-10 | 2013-10-29 | Qualcomm Incorporated | Coding of feature location information |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937871A (en) * | 1973-03-26 | 1976-02-10 | International Publishing Corporation Limited | Code communication |
DE2326644C3 (de) * | 1973-05-25 | 1981-10-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur Datenkompression von Nachrichtensignalen |
JPS586341B2 (ja) * | 1973-05-30 | 1983-02-04 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 像圧縮装置のためのトリ−構造決定方法 |
DE2416728C2 (de) * | 1974-04-05 | 1984-02-16 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur Übertragung von zweiwertigen Bildsignalen |
GB2016872B (en) * | 1978-02-23 | 1982-08-25 | Nippon Electric Co | Digital facsimile transmission system for screened pictures |
JPS54120521A (en) * | 1978-03-11 | 1979-09-19 | Ricoh Co Ltd | Data compression system |
US4213154A (en) * | 1978-08-03 | 1980-07-15 | Mitsubishi Denki Kabushiki Kaisha | Facsimile communication system |
-
1979
- 1979-10-17 JP JP13459579A patent/JPS5658368A/ja active Granted
-
1980
- 1980-10-15 DE DE3038953A patent/DE3038953C2/de not_active Expired
- 1980-10-16 SE SE8007257A patent/SE448045B/sv not_active IP Right Cessation
-
1982
- 1982-09-09 US US06/416,175 patent/US4470072A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS5658368A (en) | 1981-05-21 |
DE3038953A1 (de) | 1981-04-30 |
JPS6348227B2 (sv) | 1988-09-28 |
DE3038953C2 (de) | 1983-08-18 |
SE448045B (sv) | 1987-01-12 |
US4470072A (en) | 1984-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE8007257L (sv) | Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforing | |
DK163625C (da) | Digitaldatatransmissionsanlaeg | |
DE3482568D1 (de) | Digitales uebertragungssystem. | |
DE3584853D1 (de) | Lokales netz fuer digitales datenverarbeitungssystem. | |
BR8006396A (pt) | Aparelho de reproducao de dados digitais para sinais de video numericamente codificados | |
IS2886A7 (is) | Gagnasendikerfi fyrir jarðsveiflumælingar. | |
DE3280448D1 (de) | Datenkomprimierungssystem. | |
DE3481966D1 (de) | Bildverarbeitungssystem. | |
ATE494734T1 (de) | Fehlerverdeckung fuer ein bildsignal | |
IT8219607A0 (it) | Compensatore di immagini video per apparecchiatura di ispezione. | |
DE3382185D1 (de) | Verfahren zum uebertragen digitaler signale. | |
IT8019165A0 (it) | Circuito di interpolazione di campo per sistemi di televisione. | |
NL191003B (nl) | Digitaal datatransmissiestelsel. | |
DE3381341D1 (de) | Bildeingangsanordnung. | |
ES510191A0 (es) | Metodo de conversion de informacion de imagen. | |
DE3581869D1 (de) | Digitale video-aufzeichnung. | |
JPS54136135A (en) | Picture information processor | |
FR2535557B1 (fr) | Procede et installation de transmission de donnees numeriques | |
NO152960C (no) | Koplingsanordning for digital regulering av baereboelgefasen i mottakere i dataoverfoeringssystemer. | |
DE3381692D1 (de) | Videoband-aufzeichnungsgeraet. | |
DE3485716D1 (de) | Vektor-quantisiergeraet fuer bildinformation. | |
NO800792L (no) | System for overfoering av digitale data. | |
NL193484B (nl) | Digitaal fluorografisch systeem. | |
ATE85479T1 (de) | Uebertragungsanordnung fuer digitale signale. | |
IT1210882B (it) | Grappa metallica ad u. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 8007257-2 Format of ref document f/p: F |
|
NUG | Patent has lapsed |
Ref document number: 8007257-2 Format of ref document f/p: F |