JPS55109088A - Color picture coding process system - Google Patents
Color picture coding process systemInfo
- Publication number
- JPS55109088A JPS55109088A JP1707579A JP1707579A JPS55109088A JP S55109088 A JPS55109088 A JP S55109088A JP 1707579 A JP1707579 A JP 1707579A JP 1707579 A JP1707579 A JP 1707579A JP S55109088 A JPS55109088 A JP S55109088A
- Authority
- JP
- Japan
- Prior art keywords
- component
- color
- coding
- resolution
- color picture
- 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 reduce the code quantity by separating the color picture into plural number of color planes, carrying out the coding of resolution only for the color plane that features the highest space frequency and then sharing the distribution of the coded signal with other planes.
CONSTITUTION: Color picture 11 is scanned through input part 12 and then separated into each color component Y, I and Q at YIQ color separation part 13. And each component is stored with every block into buffer memories 15-1∼15-3 after conversion at A/D conversion parts 14-1∼14-3. Then component Y featuring the highest space frequency is coded at coding part 17-1 to obtain both the gradation component and the resolution component. Control part 16 gives the control to coding parts 17-2∼17-3 via the resolution component, and the gradation component is obtained for the corresponding color component. Thus the coded information is stored at code storage filing part 18.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54017075A JPS5947914B2 (en) | 1979-02-16 | 1979-02-16 | Color image encoding processing method |
US06/116,713 US4319267A (en) | 1979-02-16 | 1980-01-30 | Picture coding and/or decoding equipment |
CA000344783A CA1146473A (en) | 1979-02-16 | 1980-01-31 | Picture coding and/or decoding equipment |
GB8004235A GB2042852B (en) | 1979-02-16 | 1980-02-08 | Picture coding and/or decoding equipment |
DE3005775A DE3005775C2 (en) | 1979-02-16 | 1980-02-15 | Coding method for a color image |
FR8003358A FR2449383A1 (en) | 1979-02-16 | 1980-02-15 | EQUIPMENT FOR CODING AND / OR DECODING COLOR STILL IMAGES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54017075A JPS5947914B2 (en) | 1979-02-16 | 1979-02-16 | Color image encoding processing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55109088A true JPS55109088A (en) | 1980-08-21 |
JPS5947914B2 JPS5947914B2 (en) | 1984-11-22 |
Family
ID=11933852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54017075A Expired JPS5947914B2 (en) | 1979-02-16 | 1979-02-16 | Color image encoding processing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5947914B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62290286A (en) * | 1986-06-10 | 1987-12-17 | Konica Corp | Data compressing method for picture signal |
US6915014B1 (en) * | 1990-07-31 | 2005-07-05 | Canon Kabushiki Kaisha | Image processing apparatus and method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0441527Y2 (en) * | 1985-04-16 | 1992-09-30 |
-
1979
- 1979-02-16 JP JP54017075A patent/JPS5947914B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62290286A (en) * | 1986-06-10 | 1987-12-17 | Konica Corp | Data compressing method for picture signal |
US6915014B1 (en) * | 1990-07-31 | 2005-07-05 | Canon Kabushiki Kaisha | Image processing apparatus and method |
Also Published As
Publication number | Publication date |
---|---|
JPS5947914B2 (en) | 1984-11-22 |
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