JPH0249589B2 - - Google Patents
Info
- Publication number
- JPH0249589B2 JPH0249589B2 JP56124791A JP12479181A JPH0249589B2 JP H0249589 B2 JPH0249589 B2 JP H0249589B2 JP 56124791 A JP56124791 A JP 56124791A JP 12479181 A JP12479181 A JP 12479181A JP H0249589 B2 JPH0249589 B2 JP H0249589B2
- Authority
- JP
- Japan
- Prior art keywords
- shading correction
- correction coefficient
- circuit
- shading
- interpolation
- 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.)
- Expired - Lifetime
Links
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
- H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Image Input (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12479181A JPS5827466A (ja) | 1981-08-11 | 1981-08-11 | シエ−デイング補正装置 |
| US06/406,078 US4524388A (en) | 1981-08-11 | 1982-08-06 | Shading correction device |
| DE19823229586 DE3229586C3 (de) | 1981-08-11 | 1982-08-09 | Abschattungs-ausgleichvorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12479181A JPS5827466A (ja) | 1981-08-11 | 1981-08-11 | シエ−デイング補正装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5827466A JPS5827466A (ja) | 1983-02-18 |
| JPH0249589B2 true JPH0249589B2 (enrdf_load_html_response) | 1990-10-30 |
Family
ID=14894205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12479181A Granted JPS5827466A (ja) | 1981-08-11 | 1981-08-11 | シエ−デイング補正装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827466A (enrdf_load_html_response) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023820A (ja) * | 1983-07-19 | 1985-02-06 | Fuji Photo Film Co Ltd | 放射線画像情報読取誤差補正方法 |
| US4691241A (en) * | 1983-12-06 | 1987-09-01 | Dainippon Screen Mfg. Co., Ltd. | Method and system for compensating for a shading phenomenon |
| JPS6153868A (ja) * | 1984-08-24 | 1986-03-17 | Dainippon Screen Mfg Co Ltd | 画像走査信号処理におけるキャリブレーション装置 |
| JP2804568B2 (ja) * | 1989-12-25 | 1998-09-30 | 株式会社リコー | 画像読取装置 |
| JPH0316365A (ja) * | 1990-06-01 | 1991-01-24 | Canon Inc | 画像読取装置 |
| JP3180589B2 (ja) * | 1994-10-31 | 2001-06-25 | 松下電器産業株式会社 | 光ビーム加熱装置 |
| JP6303408B2 (ja) * | 2013-11-06 | 2018-04-04 | 株式会社リコー | 画像読取装置、画像読取方法および画像形成装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028937A (enrdf_load_html_response) * | 1973-07-16 | 1975-03-24 | ||
| JPS50159216A (enrdf_load_html_response) * | 1974-06-12 | 1975-12-23 | ||
| JPS5816180B2 (ja) * | 1977-04-01 | 1983-03-30 | 大日本スクリ−ン製造株式会社 | メモリ装置における信号補間方法 |
-
1981
- 1981-08-11 JP JP12479181A patent/JPS5827466A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5827466A (ja) | 1983-02-18 |
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