JPH0323897B2 - - Google Patents
Info
- Publication number
- JPH0323897B2 JPH0323897B2 JP55057263A JP5726380A JPH0323897B2 JP H0323897 B2 JPH0323897 B2 JP H0323897B2 JP 55057263 A JP55057263 A JP 55057263A JP 5726380 A JP5726380 A JP 5726380A JP H0323897 B2 JPH0323897 B2 JP H0323897B2
- Authority
- JP
- Japan
- Prior art keywords
- similarity
- exposure control
- original image
- exposure
- characteristic value
- 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 18
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000012886 linear function Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 7
- 238000012937 correction Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000005375 photometry Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5726380A JPS56153335A (en) | 1980-04-30 | 1980-04-30 | Exposure control method |
US06/258,699 US4397545A (en) | 1980-04-30 | 1981-04-29 | Exposure control method |
DE19813117334 DE3117334A1 (de) | 1980-04-30 | 1981-04-30 | Verfahren zur steuerung der belichtung |
CH2841/81A CH655187A5 (de) | 1980-04-30 | 1981-04-30 | Verfahren zum steuern der belichtung eines originalbildes. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5726380A JPS56153335A (en) | 1980-04-30 | 1980-04-30 | Exposure control method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56153335A JPS56153335A (en) | 1981-11-27 |
JPH0323897B2 true JPH0323897B2 (xx) | 1991-03-29 |
Family
ID=13050631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5726380A Granted JPS56153335A (en) | 1980-04-30 | 1980-04-30 | Exposure control method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56153335A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60174120A (ja) * | 1984-02-20 | 1985-09-07 | 松下電器産業株式会社 | エア−式のポツト |
JPS61267749A (ja) * | 1985-05-22 | 1986-11-27 | Fuji Photo Film Co Ltd | 写真システム系の制御管理方法 |
US5281995A (en) * | 1990-07-27 | 1994-01-25 | Fuji Photo Film Co., Ltd. | Method of determining an exposure for use in an image forming apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4940942A (xx) * | 1972-08-25 | 1974-04-17 | ||
JPS51112345A (en) * | 1974-08-12 | 1976-10-04 | Eastman Kodak Co | Photographic printer |
JPS5255634A (en) * | 1975-08-14 | 1977-05-07 | Gretag Ag | Exposure controlling method |
-
1980
- 1980-04-30 JP JP5726380A patent/JPS56153335A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4940942A (xx) * | 1972-08-25 | 1974-04-17 | ||
JPS51112345A (en) * | 1974-08-12 | 1976-10-04 | Eastman Kodak Co | Photographic printer |
JPS5255634A (en) * | 1975-08-14 | 1977-05-07 | Gretag Ag | Exposure controlling method |
Also Published As
Publication number | Publication date |
---|---|
JPS56153335A (en) | 1981-11-27 |
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