AU5227973A - Dual-line data compression method and system for compressing, transmitting and reproducing facsimile data - Google Patents
Dual-line data compression method and system for compressing, transmitting and reproducing facsimile dataInfo
- Publication number
- AU5227973A AU5227973A AU52279/73A AU5227973A AU5227973A AU 5227973 A AU5227973 A AU 5227973A AU 52279/73 A AU52279/73 A AU 52279/73A AU 5227973 A AU5227973 A AU 5227973A AU 5227973 A AU5227973 A AU 5227973A
- Authority
- AU
- Australia
- Prior art keywords
- compressing
- dual
- transmitting
- compression method
- data compression
- 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.)
- Expired
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
- H04N1/415—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22714972A | 1972-02-17 | 1972-02-17 | |
USUS227,149 | 1972-02-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU477345B2 AU477345B2 (en) | 1974-08-22 |
AU5227973A true AU5227973A (en) | 1974-08-22 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
FR2172400A1 (en) | 1973-09-28 |
DE2307511C2 (en) | 1983-05-11 |
DE2307511A1 (en) | 1973-09-06 |
GB1409365A (en) | 1975-10-08 |
JPS5424604B2 (en) | 1979-08-22 |
CA1002175A (en) | 1976-12-21 |
GB1409364A (en) | 1975-10-08 |
FR2172400B1 (en) | 1978-06-23 |
JPS4985913A (en) | 1974-08-17 |
IT979204B (en) | 1974-09-30 |
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