JPS55114073A - Picture display system - Google Patents
Picture display systemInfo
- Publication number
- JPS55114073A JPS55114073A JP2109479A JP2109479A JPS55114073A JP S55114073 A JPS55114073 A JP S55114073A JP 2109479 A JP2109479 A JP 2109479A JP 2109479 A JP2109479 A JP 2109479A JP S55114073 A JPS55114073 A JP S55114073A
- Authority
- JP
- Japan
- Prior art keywords
- picture elements
- black
- assumed
- display system
- picture display
- 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
Landscapes
- Editing Of Facsimile Originals (AREA)
Abstract
PURPOSE: To improve picture quality by estimating a level by referring to several adjacent transmitted picture elements, as to untransmitted picture elements which do not adjoin to transmitted picture elements.
CONSTITUTION: When one out of four picture elements is black as shown by (b), the boundary of a left-declined white line is assumed and four picture elements are all considered to be whilte. When two picture elements are black and positioned on a diagonal as shown by (c) and (f), a black slanting line is assumed. When two out of four picture elements are black and positioned longitudinally or laterally as shown by (d) and (e), a horizontal or vertical boundary is assumed and four picture elements are considered as shown in the figure.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2109479A JPS55114073A (en) | 1979-02-22 | 1979-02-22 | Picture display system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2109479A JPS55114073A (en) | 1979-02-22 | 1979-02-22 | Picture display system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55114073A true JPS55114073A (en) | 1980-09-03 |
JPS6226223B2 JPS6226223B2 (en) | 1987-06-08 |
Family
ID=12045277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2109479A Granted JPS55114073A (en) | 1979-02-22 | 1979-02-22 | Picture display system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55114073A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4703363A (en) * | 1983-11-10 | 1987-10-27 | Dainippon Screen Mfg. Co., Ltd. | Apparatus for smoothing jagged border lines |
JPH01286573A (en) * | 1988-05-13 | 1989-11-17 | Canon Inc | Method and apparatus for processing picture data |
-
1979
- 1979-02-22 JP JP2109479A patent/JPS55114073A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4703363A (en) * | 1983-11-10 | 1987-10-27 | Dainippon Screen Mfg. Co., Ltd. | Apparatus for smoothing jagged border lines |
JPH01286573A (en) * | 1988-05-13 | 1989-11-17 | Canon Inc | Method and apparatus for processing picture data |
Also Published As
Publication number | Publication date |
---|---|
JPS6226223B2 (en) | 1987-06-08 |
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