JPS57162571A - Picture signal processing system - Google Patents
Picture signal processing systemInfo
- Publication number
- JPS57162571A JPS57162571A JP56047839A JP4783981A JPS57162571A JP S57162571 A JPS57162571 A JP S57162571A JP 56047839 A JP56047839 A JP 56047839A JP 4783981 A JP4783981 A JP 4783981A JP S57162571 A JPS57162571 A JP S57162571A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- picture
- bit
- picture elements
- added
- 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
- 238000012935 Averaging Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
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
- H04N1/40—Picture signal circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
Abstract
PURPOSE:To cope with the reading of a wide range of sizes of picture elements with only a single read piecture element size for a facsimile device or a scanner with which the size of the picture element can be varied, by synthesizing plural standard read picture elements, then giving the arithmetic averaging to these picture elements. CONSTITUTION:A picture input signal D1 receives an A/D conversion 32 of 8 bits and then an 8-bit latching 33. An 11-bit adder 35 adds this latched signal D4 with the signal D10 supplied via a gate 34. The signals added in the main scanning direction by an amount equivalent to 4 picture elements are first added to a 14-bit adder 37 to be written into a picture temporary recording memory 44. This signal written into the memory 44 is added with the signal at the same position on the next line through the adder 37 and then latched to an 8-bit latch 39 after averaged by a 4-circuit and 8-bit selector to be used as an output signal D. These circuits are all controlled by the pulses C6-C15 given from a timing pulse generator 40.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56047839A JPS57162571A (en) | 1981-03-30 | 1981-03-30 | Picture signal processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56047839A JPS57162571A (en) | 1981-03-30 | 1981-03-30 | Picture signal processing system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57162571A true JPS57162571A (en) | 1982-10-06 |
JPH0145268B2 JPH0145268B2 (en) | 1989-10-03 |
Family
ID=12786530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56047839A Granted JPS57162571A (en) | 1981-03-30 | 1981-03-30 | Picture signal processing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57162571A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59132278A (en) * | 1983-01-18 | 1984-07-30 | Dainippon Screen Mfg Co Ltd | Recording method with variable magnification of picture scanning recorder |
JPS59138162A (en) * | 1983-01-27 | 1984-08-08 | Dainippon Screen Mfg Co Ltd | Method for changing magnification in picture scanning recording device |
JPS6020680A (en) * | 1983-07-15 | 1985-02-01 | Canon Inc | Picture processing method |
JPS6084592A (en) * | 1983-07-29 | 1985-05-13 | ドクトル−インジエニエ−ル・ル−ドルフ・ヘル・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | High resolution display method and apparatus for line drawing |
JPS60206368A (en) * | 1984-03-30 | 1985-10-17 | Dainippon Screen Mfg Co Ltd | Magnification converting method of picture scanning and recording device |
JPS61194970A (en) * | 1985-02-22 | 1986-08-29 | Konishiroku Photo Ind Co Ltd | Reading method for radiation image |
JPS61285489A (en) * | 1985-06-13 | 1986-12-16 | 横河電機株式会社 | Graphic display unit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5853781A (en) * | 1981-09-28 | 1983-03-30 | Mitsubishi Electric Corp | Processing device for tracking |
-
1981
- 1981-03-30 JP JP56047839A patent/JPS57162571A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5853781A (en) * | 1981-09-28 | 1983-03-30 | Mitsubishi Electric Corp | Processing device for tracking |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59132278A (en) * | 1983-01-18 | 1984-07-30 | Dainippon Screen Mfg Co Ltd | Recording method with variable magnification of picture scanning recorder |
JPH0238036B2 (en) * | 1983-01-18 | 1990-08-28 | Dainippon Screen Mfg | |
JPS59138162A (en) * | 1983-01-27 | 1984-08-08 | Dainippon Screen Mfg Co Ltd | Method for changing magnification in picture scanning recording device |
JPS6020680A (en) * | 1983-07-15 | 1985-02-01 | Canon Inc | Picture processing method |
JPH0247911B2 (en) * | 1983-07-15 | 1990-10-23 | Canon Kk | |
JPS6084592A (en) * | 1983-07-29 | 1985-05-13 | ドクトル−インジエニエ−ル・ル−ドルフ・ヘル・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | High resolution display method and apparatus for line drawing |
JPS60206368A (en) * | 1984-03-30 | 1985-10-17 | Dainippon Screen Mfg Co Ltd | Magnification converting method of picture scanning and recording device |
JPS61194970A (en) * | 1985-02-22 | 1986-08-29 | Konishiroku Photo Ind Co Ltd | Reading method for radiation image |
JPS61285489A (en) * | 1985-06-13 | 1986-12-16 | 横河電機株式会社 | Graphic display unit |
JPH041356B2 (en) * | 1985-06-13 | 1992-01-10 | Yokogawa Electric Corp |
Also Published As
Publication number | Publication date |
---|---|
JPH0145268B2 (en) | 1989-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57141779A (en) | Character cutout system | |
US4214277A (en) | Halftone implementation apparatus | |
JPS57162571A (en) | Picture signal processing system | |
AU550857B2 (en) | Clock rate conversion of digital television signals | |
US4760466A (en) | Image scanner controller | |
JPS5516503A (en) | Facsimile system | |
JPS57150274A (en) | Image output device | |
JPS5767955A (en) | Image recorder | |
JPS57119564A (en) | Half-tone picture processing method | |
JPS5612170A (en) | Facsimile transmitter | |
JPS57192172A (en) | Converting and processing method for picture signal | |
JPS5335312A (en) | Conversion system for facsimile line density | |
JPS5523653A (en) | Reproducing method of intermediate tone | |
JPS55102966A (en) | Half-tone reproduction circuit for facsimile or the like | |
JPS54134512A (en) | Picture processing system | |
JPS5757080A (en) | Picture processing device | |
JPS54124923A (en) | Processing system for multi-gradation picture signal | |
JPS55151860A (en) | Reference level setting method for picture reading signal | |
JPS5287316A (en) | Picture receiving procedure | |
JPS551762A (en) | Automatic discriminating method of line density for facsimile | |
JPS5497314A (en) | Waveform shaping system of ternary transmission | |
JPS57161980A (en) | White level follower circuit | |
JPS5779564A (en) | Line-picture information conversion system | |
JPS54105427A (en) | Solid pickup unit | |
JPS57112183A (en) | Method for contracting and recording of receiving picture |