JPS54134919A - Restoration system for compressed data - Google Patents
Restoration system for compressed dataInfo
- Publication number
- JPS54134919A JPS54134919A JP4288178A JP4288178A JPS54134919A JP S54134919 A JPS54134919 A JP S54134919A JP 4288178 A JP4288178 A JP 4288178A JP 4288178 A JP4288178 A JP 4288178A JP S54134919 A JPS54134919 A JP S54134919A
- Authority
- JP
- Japan
- Prior art keywords
- address
- point
- change
- circuit
- memory
- 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
Abstract
PURPOSE: To shorten the restoration time in a restoration system on a change-point relative address system, by adding information on a shift of a change point of a reference scanning point and the address of a new change point to the change-point address of the reference scanning line at every time when information on a picture element difference with one right before picture data is restored, and by using it as the address of the next scanning line.
CONSTITUTION: Reference-scanning-line change-point address memory 21, provided, is stored with the address of a shift change point from code-length equilizer circuit 2 as the change-point address of the reference scanning line. The change-point address of this memory 21 and the output from code-length equializer circuit 2 are added together by adder-subtracter circuit 7, the output of this circuit and the output of adder circuit 8 are stored in the next change-point address memory 9, and these contents are inputted to circuit 10. Further, the contents are sent, simultaneously with the end of restoration, to memory 21 and then stored as the next reference scanning line address.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4288178A JPS54134919A (en) | 1978-04-12 | 1978-04-12 | Restoration system for compressed data |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4288178A JPS54134919A (en) | 1978-04-12 | 1978-04-12 | Restoration system for compressed data |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54134919A true JPS54134919A (en) | 1979-10-19 |
JPS6125272B2 JPS6125272B2 (en) | 1986-06-14 |
Family
ID=12648371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4288178A Granted JPS54134919A (en) | 1978-04-12 | 1978-04-12 | Restoration system for compressed data |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54134919A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6019360A (en) * | 1983-07-12 | 1985-01-31 | Nec Corp | Decoding circuit of facsimile |
JPH01248874A (en) * | 1988-03-30 | 1989-10-04 | Matsushita Graphic Commun Syst Inc | Picture information processing method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130418A (en) * | 1974-09-09 | 1976-03-15 | Kokusai Denshin Denwa Co Ltd | Fuakushimirishingo no johohenkagasoadoresufugokahoshiki |
-
1978
- 1978-04-12 JP JP4288178A patent/JPS54134919A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130418A (en) * | 1974-09-09 | 1976-03-15 | Kokusai Denshin Denwa Co Ltd | Fuakushimirishingo no johohenkagasoadoresufugokahoshiki |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6019360A (en) * | 1983-07-12 | 1985-01-31 | Nec Corp | Decoding circuit of facsimile |
JPH0220195B2 (en) * | 1983-07-12 | 1990-05-08 | Nippon Electric Co | |
JPH01248874A (en) * | 1988-03-30 | 1989-10-04 | Matsushita Graphic Commun Syst Inc | Picture information processing method |
Also Published As
Publication number | Publication date |
---|---|
JPS6125272B2 (en) | 1986-06-14 |
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