JPS5592069A - Picture processing method - Google Patents
Picture processing methodInfo
- Publication number
- JPS5592069A JPS5592069A JP16286078A JP16286078A JPS5592069A JP S5592069 A JPS5592069 A JP S5592069A JP 16286078 A JP16286078 A JP 16286078A JP 16286078 A JP16286078 A JP 16286078A JP S5592069 A JPS5592069 A JP S5592069A
- Authority
- JP
- Japan
- Prior art keywords
- face
- image
- light
- element slm
- lens
- 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
- Facsimile Heads (AREA)
Abstract
PURPOSE: To eliminate noise from picture signals in real time by providing a simple optical processing means.
CONSTITUTION: Writing light P1 is irradiated to input face F1, and the original picture is sent and written onto space modulation element SLM through lenses L1 and L2 and half-mirror HM. Meanwhile, the light reflected by mirror HM and passing through lenses L2 and L5 is led to output face F0 to form an image. Next, reading light P2 of the dead wave length of element SLM is irradiated form the back face of element SLM through lens L3, aperture S and lens L4. Here, linear polarization plates PO1 and PO2 having polarization directions orthogonal to each other are provided in front and back of element SLM to form a read image, and the read image is sent to output face F0 through a lens. By this constitution, reading light P2 passes through element SLM and is incident from plate PO1 as an optical image having light quantity distribution corresponding to the polarization face rotated by the light quantity of a noise part other than a dark part and is inputted onto output face F0 to obtain the read image. As a result, on output face F0, the light quantity of the noise part is increased, and an output image which has this most part eliminated can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16286078A JPS5592069A (en) | 1978-12-29 | 1978-12-29 | Picture processing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16286078A JPS5592069A (en) | 1978-12-29 | 1978-12-29 | Picture processing method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5592069A true JPS5592069A (en) | 1980-07-12 |
Family
ID=15762618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16286078A Pending JPS5592069A (en) | 1978-12-29 | 1978-12-29 | Picture processing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5592069A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4661858A (en) * | 1984-02-28 | 1987-04-28 | Canon Kabushiki Kaisha | Reading apparatus |
-
1978
- 1978-12-29 JP JP16286078A patent/JPS5592069A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4661858A (en) * | 1984-02-28 | 1987-04-28 | Canon Kabushiki Kaisha | Reading apparatus |
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