JPS6261572U - - Google Patents
Info
- Publication number
- JPS6261572U JPS6261572U JP15320985U JP15320985U JPS6261572U JP S6261572 U JPS6261572 U JP S6261572U JP 15320985 U JP15320985 U JP 15320985U JP 15320985 U JP15320985 U JP 15320985U JP S6261572 U JPS6261572 U JP S6261572U
- Authority
- JP
- Japan
- Prior art keywords
- level
- pixel
- interest
- scanning line
- line
- 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
- 230000006870 function Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Description
図は本考案の実施例を示す。
１……文書、２……走査線、３……感知装置、
４……アナログ‐デイジタル変換器、５……矯正
テーブル、６……矯正値ライン・メモリ、７……
２ライン・メモリ、８……加算器、９……テーブ
ル・メモリ、１０……比較器、１１……閾値レジ
スタ。
The figure shows an embodiment of the invention. 1...Document, 2...Scanning line, 3...Sensing device,
4... Analog-digital converter, 5... Correction table, 6... Correction value line memory, 7...
2 line memory, 8...Adder, 9...Table memory, 10...Comparator, 11...Threshold value register.
Claims (1)
す信号を出力する感知装置と、 複数走査線の信号を記憶するライン・メモリと
、 該ライン・メモリ内の注目画素と同一走査線及
び該走査線の前後の走査線上の隣接画素の信号レ
ベルの平均レベルを生じる装置と、 上記注目画素の信号レベル及び上記平均レベル
の関数として表わされる出力レベルを予じめ記憶
しているテーブルと、 上記注目画素の信号レベル及び上記平均レベル
をアドレスとして上記テーブルをアクセスする装
置と、 上記アドレスされた出力レベルを閾値レベルと
比較して２値データを生じる２値化装置とを備え
たことを特徴とする光学的読取装置。[Claims for Utility Model Registration] A sensing device that outputs signals representing multiple pixels on one scanning line in an original image, a line memory that stores signals of multiple scanning lines, and a pixel of interest within the line memory. a device for generating an average level of signal levels of adjacent pixels on the same scanning line and scanning lines before and after the scanning line; and a device that stores in advance the signal level of the pixel of interest and the output level expressed as a function of the average level. a device that accesses the table using the signal level of the pixel of interest and the average level as addresses; and a binarization device that compares the addressed output level with a threshold level and generates binary data. An optical reading device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15320985U JPS6261572U (en) | 1985-10-08 | 1985-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15320985U JPS6261572U (en) | 1985-10-08 | 1985-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6261572U true JPS6261572U (en) | 1987-04-16 |
Family
ID=31071887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15320985U Pending JPS6261572U (en) | 1985-10-08 | 1985-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6261572U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5990461A (en) * | 1982-11-15 | 1984-05-24 | Matsushita Graphic Commun Syst Inc | Picture processing system |
-
1985
- 1985-10-08 JP JP15320985U patent/JPS6261572U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5990461A (en) * | 1982-11-15 | 1984-05-24 | Matsushita Graphic Commun Syst Inc | Picture processing system |
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