ES518614A0 - Una disposicion de conversion de datos para usarse en un sistema de facsimil. - Google Patents
Una disposicion de conversion de datos para usarse en un sistema de facsimil.Info
- Publication number
- ES518614A0 ES518614A0 ES518614A ES518614A ES518614A0 ES 518614 A0 ES518614 A0 ES 518614A0 ES 518614 A ES518614 A ES 518614A ES 518614 A ES518614 A ES 518614A ES 518614 A0 ES518614 A0 ES 518614A0
- Authority
- ES
- Spain
- Prior art keywords
- facsimil
- data conversion
- conversion arrangement
- arrangement
- data
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
-
- 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
- H04N1/4175—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding involving the encoding of tone transitions with respect to tone transitions in a reference line
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56213573A JPS58129876A (ja) | 1981-12-29 | 1981-12-29 | フアクシミリ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8406019A1 ES8406019A1 (es) | 1984-06-16 |
ES518614A0 true ES518614A0 (es) | 1984-06-16 |
Family
ID=16641433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES518614A Granted ES518614A0 (es) | 1981-12-29 | 1982-12-28 | Una disposicion de conversion de datos para usarse en un sistema de facsimil. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4543612A (es) |
EP (1) | EP0083247B1 (es) |
JP (1) | JPS58129876A (es) |
AU (1) | AU536110B2 (es) |
CA (1) | CA1203887A (es) |
DE (1) | DE3267850D1 (es) |
ES (1) | ES518614A0 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5987569A (ja) * | 1982-11-11 | 1984-05-21 | Toshiba Corp | デ−タ自動連続処理回路 |
JPS59161974A (ja) * | 1983-03-07 | 1984-09-12 | Nec Corp | フアクシミリ装置 |
US4682215A (en) * | 1984-05-28 | 1987-07-21 | Ricoh Company, Ltd. | Coding system for image processing apparatus |
JPS62501115A (ja) * | 1984-11-16 | 1987-04-30 | ベリ−ゼ,コンスタンチン | デ−タ圧縮コンピュ−タシステム及びそのための方法 |
US4631521A (en) * | 1984-12-31 | 1986-12-23 | Wang Laboratories, Inc. | Method and apparatus for differential run-length coding |
CA1296798C (en) * | 1985-08-02 | 1992-03-03 | Katsutoshi Hisada | Image signal coding apparatus |
JPH0799856B2 (ja) * | 1985-12-23 | 1995-10-25 | キヤノン株式会社 | 画像信号の復号化装置 |
JPH0799857B2 (ja) * | 1985-12-23 | 1995-10-25 | キヤノン株式会社 | 画像信号の復号化装置 |
WO1988007306A1 (en) * | 1987-03-17 | 1988-09-22 | Digital Equipment Corporation | System for producing dithered images from continuous-tone image data |
AU605298B2 (en) * | 1987-05-29 | 1991-01-10 | Digital Equipment Corporation | System for producing dithered images on asymmetric grids |
US5146221A (en) * | 1989-01-13 | 1992-09-08 | Stac, Inc. | Data compression apparatus and method |
US5532694A (en) * | 1989-01-13 | 1996-07-02 | Stac Electronics, Inc. | Data compression apparatus and method using matching string searching and Huffman encoding |
US6215560B1 (en) | 1990-07-13 | 2001-04-10 | Canon Kabushiki Kaisha | Image processing apparatus for producing high resolution image data based on a memory area capacity |
US5689255A (en) * | 1995-08-22 | 1997-11-18 | Hewlett-Packard Company | Method and apparatus for compressing and decompressing image data |
JPH11284844A (ja) * | 1998-03-27 | 1999-10-15 | Oki Data Corp | 2値画像データの解析及び変換処理方法 |
JP2002036636A (ja) * | 2000-07-19 | 2002-02-06 | Mitsubishi Electric Corp | 画像データ変換装置および画像データ変換方法 |
US6895119B2 (en) * | 2002-03-14 | 2005-05-17 | Winbond Electronics Corp. | Method and apparatus for decoding compressed image data and capable of preventing error propagation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3471639A (en) * | 1966-10-03 | 1969-10-07 | Xerox Corp | Shift/count control circuit |
AU503988B2 (en) * | 1975-11-25 | 1979-09-27 | Rudolf Hell Gmbh | Digital programme length coding with redundancy reduction forthe transmission of binary coded image information |
FR2441297A1 (fr) * | 1978-11-09 | 1980-06-06 | Cit Alcatel | Dispositif de conversion binaire et applications aux emetteurs et recepteurs d'informations d'image a reduction de redondance |
JPS55102968A (en) * | 1979-01-31 | 1980-08-06 | Sharp Corp | Run-length decoding system for mh code |
US4334246A (en) * | 1980-05-16 | 1982-06-08 | Xerox Corporation | Data decompressor circuit |
US4386373A (en) * | 1980-07-18 | 1983-05-31 | Ricoh Company, Ltd. | Facsimile apparatus |
-
1981
- 1981-12-29 JP JP56213573A patent/JPS58129876A/ja active Granted
-
1982
- 1982-12-22 AU AU91798/82A patent/AU536110B2/en not_active Ceased
- 1982-12-27 US US06/453,100 patent/US4543612A/en not_active Expired - Fee Related
- 1982-12-28 ES ES518614A patent/ES518614A0/es active Granted
- 1982-12-29 CA CA000418663A patent/CA1203887A/en not_active Expired
- 1982-12-30 DE DE8282306995T patent/DE3267850D1/de not_active Expired
- 1982-12-30 EP EP82306995A patent/EP0083247B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6338913B2 (es) | 1988-08-02 |
US4543612A (en) | 1985-09-24 |
EP0083247B1 (en) | 1985-12-04 |
DE3267850D1 (en) | 1986-01-16 |
EP0083247A2 (en) | 1983-07-06 |
AU536110B2 (en) | 1984-04-19 |
JPS58129876A (ja) | 1983-08-03 |
ES8406019A1 (es) | 1984-06-16 |
AU9179882A (en) | 1983-08-18 |
CA1203887A (en) | 1986-04-29 |
EP0083247A3 (en) | 1983-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19990201 |