JPH0312566U - - Google Patents
Info
- Publication number
- JPH0312566U JPH0312566U JP7336289U JP7336289U JPH0312566U JP H0312566 U JPH0312566 U JP H0312566U JP 7336289 U JP7336289 U JP 7336289U JP 7336289 U JP7336289 U JP 7336289U JP H0312566 U JPH0312566 U JP H0312566U
- Authority
- JP
- Japan
- Prior art keywords
- image signal
- white reference
- reference data
- data storage
- main scanning
- 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
- 238000013500 data storage Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案の一実施例の画信号処理装置の
構成ブロツク図、第２図は従来の画信号処理装置
の構成ブロツク図である。
１……Ａ／Ｄ変換器、２……白基準データ記憶
部、３……アドレスデコーダ、４……除算器、５
……比較器、６……データセレクタ。
FIG. 1 is a block diagram showing the configuration of an image signal processing apparatus according to an embodiment of the present invention, and FIG. 2 is a block diagram showing the configuration of a conventional image signal processing apparatus. 1... A/D converter, 2... White reference data storage section, 3... Address decoder, 4... Divider, 5
...Comparator, 6...Data selector.
Claims (1)
号に変換して、主走査方向の感度のバラツキを補
正する画信号処理装置において、Ａ／Ｄ変換器と
、白基準板を読取つた画信号を主走査方向全域に
渡つて記憶する白基準データ記憶部を設け、画信
号と前記白基準データ記憶部に記憶されている白
基準データとを比較して大きい値を選択して前記
白基準データに再記憶するための比較器およびデ
ータセレクタを設け、白基準板を複数ライン分読
取つて、各画素に対して最大値を前記白基準デー
タ記憶部に記憶することを特徴とする画信号処理
装置。 In an image signal processing device that converts an analog image signal of an image reading device into a digital image signal and corrects variations in sensitivity in the main scanning direction, an A/D converter and an image signal read from a white reference plate are converted into a digital image signal in the main scanning direction. A white reference data storage unit is provided that stores data over the entire direction, and the image signal is compared with the white reference data stored in the white reference data storage unit, a larger value is selected, and the selected value is re-stored as the white reference data. 1. An image signal processing device comprising: a comparator and a data selector for reading a white reference plate for a plurality of lines; and storing a maximum value for each pixel in the white reference data storage section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7336289U JPH0312566U (en) | 1989-06-21 | 1989-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7336289U JPH0312566U (en) | 1989-06-21 | 1989-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312566U true JPH0312566U (en) | 1991-02-07 |
Family
ID=31612118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7336289U Pending JPH0312566U (en) | 1989-06-21 | 1989-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312566U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549415U (en) * | 1991-12-11 | 1993-06-29 | いすゞ特装開発株式会社 | Tire track |
| JP2007029500A (en) * | 2005-07-28 | 2007-02-08 | Asahi Corp | Backing material for waterproof shoe |
-
1989
- 1989-06-21 JP JP7336289U patent/JPH0312566U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549415U (en) * | 1991-12-11 | 1993-06-29 | いすゞ特装開発株式会社 | Tire track |
| JP2007029500A (en) * | 2005-07-28 | 2007-02-08 | Asahi Corp | Backing material for waterproof shoe |
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