JPS5210613A - Two-value conversion circuit of image signal - Google Patents
Two-value conversion circuit of image signalInfo
- Publication number
- JPS5210613A JPS5210613A JP50075565A JP7556575A JPS5210613A JP S5210613 A JPS5210613 A JP S5210613A JP 50075565 A JP50075565 A JP 50075565A JP 7556575 A JP7556575 A JP 7556575A JP S5210613 A JPS5210613 A JP S5210613A
- Authority
- JP
- Japan
- Prior art keywords
- image signal
- conversion circuit
- value conversion
- image
- proportional
- 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
- Image Input (AREA)
- Facsimile Image Signal Circuits (AREA)
Abstract
PURPOSE: To obtain clear-cut image by combining standard voltage and that proportional to the level of the background shade from the image signal by means of the integration circuit in response to the image signal.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50075565A JPS5948589B2 (en) | 1975-06-23 | 1975-06-23 | Image signal binarization conversion circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50075565A JPS5948589B2 (en) | 1975-06-23 | 1975-06-23 | Image signal binarization conversion circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5210613A true JPS5210613A (en) | 1977-01-27 |
JPS5948589B2 JPS5948589B2 (en) | 1984-11-27 |
Family
ID=13579820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50075565A Expired JPS5948589B2 (en) | 1975-06-23 | 1975-06-23 | Image signal binarization conversion circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5948589B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5518886U (en) * | 1978-07-20 | 1980-02-06 | ||
JPS58146179A (en) * | 1982-02-24 | 1983-08-31 | Nec Corp | Binarizing circuit of facsimile signal |
JPS6094577A (en) * | 1983-10-28 | 1985-05-27 | Tokyo Keiki Co Ltd | Digitizing device of picture signal |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5065163A (en) * | 1973-09-12 | 1975-06-02 |
-
1975
- 1975-06-23 JP JP50075565A patent/JPS5948589B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5065163A (en) * | 1973-09-12 | 1975-06-02 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5518886U (en) * | 1978-07-20 | 1980-02-06 | ||
JPS5926690Y2 (en) * | 1978-07-20 | 1984-08-02 | 三洋電機株式会社 | Image signal binarization circuit |
JPS58146179A (en) * | 1982-02-24 | 1983-08-31 | Nec Corp | Binarizing circuit of facsimile signal |
JPH0153542B2 (en) * | 1982-02-24 | 1989-11-14 | Nippon Electric Co | |
JPS6094577A (en) * | 1983-10-28 | 1985-05-27 | Tokyo Keiki Co Ltd | Digitizing device of picture signal |
Also Published As
Publication number | Publication date |
---|---|
JPS5948589B2 (en) | 1984-11-27 |
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