JPS5384411A - Device for compressing data - Google Patents
Device for compressing dataInfo
- Publication number
- JPS5384411A JPS5384411A JP15303877A JP15303877A JPS5384411A JP S5384411 A JPS5384411 A JP S5384411A JP 15303877 A JP15303877 A JP 15303877A JP 15303877 A JP15303877 A JP 15303877A JP S5384411 A JPS5384411 A JP S5384411A
- Authority
- JP
- Japan
- Prior art keywords
- compressing data
- compressing
- 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
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/756,662 US4092677A (en) | 1976-12-29 | 1976-12-29 | Truncated run length encoding for fractionally difference modulated video signals |
US05/756,664 US4136363A (en) | 1976-12-29 | 1976-12-29 | Truncated run length encoding |
US05/756,663 US4092675A (en) | 1976-12-29 | 1976-12-29 | Truncated run length encoding with a modular variable length code format |
US05/755,313 US4092665A (en) | 1976-12-29 | 1976-12-29 | Method and means for extracting variable length data from fixed length bytes |
US05/755,309 US4092676A (en) | 1976-12-29 | 1976-12-29 | Block length multiple plus run length residue codes for run length encoding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5384411A true JPS5384411A (en) | 1978-07-25 |
JPS6228628B2 JPS6228628B2 (en) | 1987-06-22 |
Family
ID=27542168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15303877A Granted JPS5384411A (en) | 1976-12-29 | 1977-12-21 | Device for compressing data |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5384411A (en) |
CA (1) | CA1118091A (en) |
DE (1) | DE2758399C2 (en) |
GB (1) | GB1590664A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5537003A (en) * | 1978-09-07 | 1980-03-14 | Hitachi Ltd | Facsimile transmitter having redundancy suppression function |
CA1211300A (en) * | 1983-03-02 | 1986-09-16 | Thomas H. Lohr | Bevel gear drive |
US4517604A (en) * | 1983-04-04 | 1985-05-14 | International Business Machines Corporation | Method for reducing line width variations in bilevel video images |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4938510A (en) * | 1972-08-09 | 1974-04-10 | ||
JPS5123408A (en) * | 1974-07-24 | 1976-02-25 | Nippon Steel Corp | KOGYOYOROHO SHUJINIOKERU RONAIKANKISOCHI |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3869569A (en) * | 1972-05-16 | 1975-03-04 | Xerox Corp | Facsimile transceiving apparatus |
US3830966A (en) * | 1973-01-03 | 1974-08-20 | Eg & G Inc | Apparatus and method for transmitting a bandwidth compressed digital signal representation of a visible image |
-
1977
- 1977-11-28 CA CA000291838A patent/CA1118091A/en not_active Expired
- 1977-12-21 JP JP15303877A patent/JPS5384411A/en active Granted
- 1977-12-28 GB GB5393677A patent/GB1590664A/en not_active Expired
- 1977-12-28 DE DE19772758399 patent/DE2758399C2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4938510A (en) * | 1972-08-09 | 1974-04-10 | ||
JPS5123408A (en) * | 1974-07-24 | 1976-02-25 | Nippon Steel Corp | KOGYOYOROHO SHUJINIOKERU RONAIKANKISOCHI |
Also Published As
Publication number | Publication date |
---|---|
CA1118091A (en) | 1982-02-09 |
DE2758399A1 (en) | 1978-07-13 |
JPS6228628B2 (en) | 1987-06-22 |
GB1590664A (en) | 1981-06-03 |
DE2758399C2 (en) | 1986-04-10 |
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