JPS6478073A - Image correcting device - Google Patents
Image correcting deviceInfo
- Publication number
- JPS6478073A JPS6478073A JP62235891A JP23589187A JPS6478073A JP S6478073 A JPS6478073 A JP S6478073A JP 62235891 A JP62235891 A JP 62235891A JP 23589187 A JP23589187 A JP 23589187A JP S6478073 A JPS6478073 A JP S6478073A
- Authority
- JP
- Japan
- Prior art keywords
- original
- width
- shading correction
- black color
- correcting device
- 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.)
- Pending
Links
Landscapes
- Image Input (AREA)
- Facsimile Image Signal Circuits (AREA)
Abstract
PURPOSE:To discriminate the width and position of an original by applying shading correction by a shading correction means only on the inside part of the width of the original. CONSTITUTION:The width of the original is detected by identifying the white color of the original 21 detected by a one-dimensional image sensor 24, etc., from the black color of a roller 22 to carry the original etc., and the shading correction is applied only on the inside part (n) of the width of the original. Therefore, it is possible to prevent an image in which the black color part of the roller, etc., is read out from being corrected to the white color by the shading correction, thereby, the black color outside the width of the original can be maintained. In such a way, it is possible to identify the contour of the original, and to designate corrdinate on the original.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62235891A JPS6478073A (en) | 1987-09-18 | 1987-09-18 | Image correcting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62235891A JPS6478073A (en) | 1987-09-18 | 1987-09-18 | Image correcting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6478073A true JPS6478073A (en) | 1989-03-23 |
Family
ID=16992773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62235891A Pending JPS6478073A (en) | 1987-09-18 | 1987-09-18 | Image correcting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6478073A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02311083A (en) * | 1989-05-26 | 1990-12-26 | Ricoh Co Ltd | Original reader |
US6798546B1 (en) * | 1999-03-05 | 2004-09-28 | Fujitsu Limited | Scanning document reader and memory medium storing scanner driver program |
JP2012158067A (en) * | 2011-01-31 | 2012-08-23 | Canon Inc | Inkjet recording apparatus |
-
1987
- 1987-09-18 JP JP62235891A patent/JPS6478073A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02311083A (en) * | 1989-05-26 | 1990-12-26 | Ricoh Co Ltd | Original reader |
US6798546B1 (en) * | 1999-03-05 | 2004-09-28 | Fujitsu Limited | Scanning document reader and memory medium storing scanner driver program |
JP2012158067A (en) * | 2011-01-31 | 2012-08-23 | Canon Inc | Inkjet recording apparatus |
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