JPH057913B2 - - Google Patents
Info
- Publication number
- JPH057913B2 JPH057913B2 JP58048997A JP4899783A JPH057913B2 JP H057913 B2 JPH057913 B2 JP H057913B2 JP 58048997 A JP58048997 A JP 58048997A JP 4899783 A JP4899783 A JP 4899783A JP H057913 B2 JPH057913 B2 JP H057913B2
- Authority
- JP
- Japan
- Prior art keywords
- shading distortion
- document
- reading
- original
- data
- 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
- 238000000034 method Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 101100524645 Toxoplasma gondii ROM5 gene Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000887125 Chaptalia nutans Species 0.000 description 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
- H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58048997A JPS59175279A (ja) | 1983-03-25 | 1983-03-25 | シエ−デイング歪補正方法 |
US06/873,066 US4717963A (en) | 1983-03-25 | 1986-06-04 | Image information read apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58048997A JPS59175279A (ja) | 1983-03-25 | 1983-03-25 | シエ−デイング歪補正方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59175279A JPS59175279A (ja) | 1984-10-04 |
JPH057913B2 true JPH057913B2 (xx) | 1993-01-29 |
Family
ID=12818840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58048997A Granted JPS59175279A (ja) | 1983-03-25 | 1983-03-25 | シエ−デイング歪補正方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59175279A (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60123167A (ja) * | 1983-12-07 | 1985-07-01 | Canon Inc | シェーディング歪補正方法 |
JPS6277763A (ja) * | 1985-09-30 | 1987-04-09 | Nec Corp | 画像読取装置 |
JPH01204568A (ja) * | 1988-02-10 | 1989-08-17 | Mitsubishi Electric Corp | スライスレベル自動調整読取信号処理装置 |
DE69127740T2 (de) * | 1990-10-24 | 1998-02-12 | Canon Kk | Übertragungs-, Empfangs- und Aufzeichnungsgerät für Bilder |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55156475A (en) * | 1979-05-25 | 1980-12-05 | Hitachi Ltd | Binary-coder for analog signal |
JPS5613868A (en) * | 1979-07-13 | 1981-02-10 | Canon Inc | Original reading device |
JPS5735476A (en) * | 1980-08-11 | 1982-02-26 | Toshiba Corp | Original reading section |
JPS5761377A (en) * | 1980-09-30 | 1982-04-13 | Nec Corp | Image reader |
JPS57145472A (en) * | 1981-03-05 | 1982-09-08 | Canon Inc | Original reader |
-
1983
- 1983-03-25 JP JP58048997A patent/JPS59175279A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55156475A (en) * | 1979-05-25 | 1980-12-05 | Hitachi Ltd | Binary-coder for analog signal |
JPS5613868A (en) * | 1979-07-13 | 1981-02-10 | Canon Inc | Original reading device |
JPS5735476A (en) * | 1980-08-11 | 1982-02-26 | Toshiba Corp | Original reading section |
JPS5761377A (en) * | 1980-09-30 | 1982-04-13 | Nec Corp | Image reader |
JPS57145472A (en) * | 1981-03-05 | 1982-09-08 | Canon Inc | Original reader |
Also Published As
Publication number | Publication date |
---|---|
JPS59175279A (ja) | 1984-10-04 |
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