JPH0526138B2 - - Google Patents
Info
- Publication number
- JPH0526138B2 JPH0526138B2 JP57193770A JP19377082A JPH0526138B2 JP H0526138 B2 JPH0526138 B2 JP H0526138B2 JP 57193770 A JP57193770 A JP 57193770A JP 19377082 A JP19377082 A JP 19377082A JP H0526138 B2 JPH0526138 B2 JP H0526138B2
- Authority
- JP
- Japan
- Prior art keywords
- curve
- light
- gradation correction
- gradation
- image information
- 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
- 230000005855 radiation Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000003672 processing method Methods 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 13
- 230000005284 excitation Effects 0.000 description 12
- 238000003384 imaging method Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- -1 silver halide Chemical class 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2012—Measuring radiation intensity with scintillation detectors using stimulable phosphors, e.g. stimulable phosphor sheets
- G01T1/2014—Reading out of stimulable sheets, e.g. latent image
-
- 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
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
-
- 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
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Radiography Using Non-Light Waves (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57193770A JPS5983149A (ja) | 1982-11-04 | 1982-11-04 | 階調補正曲線の作成方法 |
| US06/547,620 US4641267A (en) | 1982-11-04 | 1983-11-01 | Gradation correction curve creating method and apparatus |
| EP83110988A EP0110185B1 (en) | 1982-11-04 | 1983-11-03 | Gradation correction curve creating method and apparatus |
| DE198383110988T DE110185T1 (de) | 1982-11-04 | 1983-11-03 | Verfahren und vorrichtung zur erzeugung einer gradationskorrekturfunktion. |
| DE8383110988T DE3369733D1 (en) | 1982-11-04 | 1983-11-03 | Gradation correction curve creating method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57193770A JPS5983149A (ja) | 1982-11-04 | 1982-11-04 | 階調補正曲線の作成方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5983149A JPS5983149A (ja) | 1984-05-14 |
| JPH0526138B2 true JPH0526138B2 (en, 2012) | 1993-04-15 |
Family
ID=16313512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57193770A Granted JPS5983149A (ja) | 1982-11-04 | 1982-11-04 | 階調補正曲線の作成方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4641267A (en, 2012) |
| EP (1) | EP0110185B1 (en, 2012) |
| JP (1) | JPS5983149A (en, 2012) |
| DE (2) | DE3369733D1 (en, 2012) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171035A (ja) * | 1984-09-13 | 1986-04-11 | 富士写真フイルム株式会社 | 放射線画像情報再生処理条件指示装置 |
| US4796086A (en) * | 1984-11-30 | 1989-01-03 | Fuji Photo Film Co., Ltd. | Method for converting color picture signals |
| JPH065919B2 (ja) * | 1985-02-15 | 1994-01-19 | コニカ株式会社 | 放射線画像の階調処理方法 |
| JPS6217875A (ja) * | 1985-07-15 | 1987-01-26 | Konishiroku Photo Ind Co Ltd | Ｘ線画像の画像処理装置 |
| EP0254235B1 (en) * | 1986-07-18 | 1992-04-29 | Dainippon Screen Mfg. Co., Ltd. | Image data processing method and apparatus therefor |
| JPS6376077A (ja) * | 1986-09-19 | 1988-04-06 | Fujitsu Ltd | 画像処理装置における画像濃度変換方式 |
| JPS63309077A (ja) * | 1987-06-11 | 1988-12-16 | Seikosha Co Ltd | ビデオプリンタ |
| US4786968A (en) * | 1987-07-16 | 1988-11-22 | Sony Corporation | Gamma correction of digital video data by calculating linearly interpolated gamma correction values |
| US4937682A (en) * | 1988-12-28 | 1990-06-26 | Hewlett-Packard Company | Method and apparatus for providing contrast/intensity control in a document scanner |
| US5046118A (en) * | 1990-02-06 | 1991-09-03 | Eastman Kodak Company | Tone-scale generation method and apparatus for digital x-ray images |
| JPH04192672A (ja) * | 1990-11-24 | 1992-07-10 | Dainippon Screen Mfg Co Ltd | 画像処理方法 |
| US5255085A (en) * | 1991-10-25 | 1993-10-19 | Eastman Kodak Company | Adaptive technique for providing accurate tone reproduction control in an imaging system |
| DE69325527T2 (de) * | 1992-02-21 | 1999-11-25 | Canon K.K., Tokio/Tokyo | Gerät und Verfahren zur Bildverarbeitung |
| JP3083207B2 (ja) * | 1992-07-13 | 2000-09-04 | 京セラミタ株式会社 | 画像形成装置 |
| FR2695282B1 (fr) * | 1992-09-01 | 1994-10-14 | Gen Electric Cgr | Procédé de réglage de contraste. |
| JPH06175452A (ja) * | 1992-12-11 | 1994-06-24 | Matsushita Electric Ind Co Ltd | 電子写真装置 |
| IL106691A (en) * | 1993-08-13 | 1998-02-08 | Sophis View Tech Ltd | System and method for diagnosis of living tissue diseases |
| US5796865A (en) * | 1994-07-04 | 1998-08-18 | Fuji Photo Film Co., Ltd. | Gradation correcting method and apparatus |
| WO1996016534A2 (en) * | 1994-11-25 | 1996-06-06 | Sophisview Technologies, Ltd. | System and method for diagnosis of living tissue diseases |
| US5761333A (en) * | 1995-01-31 | 1998-06-02 | General Electric Company | Contrast enhancement for CT systems |
| US5633511A (en) * | 1995-12-22 | 1997-05-27 | Eastman Kodak Company | Automatic tone scale adjustment using image activity measures |
| JPH1023262A (ja) | 1996-06-28 | 1998-01-23 | Toshiba Corp | 画像形成装置 |
| JP3075247B2 (ja) * | 1998-01-09 | 2000-08-14 | 日本電気株式会社 | カラー電子写真印刷装置 |
| US6370265B1 (en) | 1999-11-24 | 2002-04-09 | Direct Radiography Corp. | Method for generating gray scale transfer functions for use in displaying a digital radiogram |
| DE10213284B4 (de) * | 2002-03-25 | 2007-11-08 | Siemens Ag | Verfahren zur Bilddarstellung in der medizinischen Bildgebung |
| JP4323770B2 (ja) * | 2002-10-18 | 2009-09-02 | キヤノン株式会社 | 画像処理装置、画像処理方法、プログラム及び記録媒体 |
| US8559750B2 (en) * | 2010-11-08 | 2013-10-15 | Lg Innotek Co., Ltd. | Method of performing adaptive contrast enhancement using hyperbolic tangent curve and image histogram |
| CA2892970C (en) | 2012-11-29 | 2019-10-15 | Controlrad Systems Inc. | X-ray reduction system |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149076A (en) * | 1976-04-05 | 1979-04-10 | Albert Richard D | Method and apparatus producing plural images of different contrast range by X-ray scanning |
| DE2816462A1 (de) * | 1978-04-15 | 1979-10-25 | Philips Patentverwaltung | Verfahren zur erzeugung verbesserter rekonstruktionsbilder in computer-tomographiegeraeten |
| US4315318A (en) * | 1978-12-26 | 1982-02-09 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing a radiation image |
| JPS5588740A (en) * | 1978-12-26 | 1980-07-04 | Fuji Photo Film Co Ltd | Method of treating gradation of radiation picture of breast and its device |
| JPS55116340A (en) * | 1979-02-28 | 1980-09-06 | Fuji Photo Film Co Ltd | Method and device for processing gradation of radiation picture |
| FR2461279B1 (fr) * | 1979-07-11 | 1987-01-02 | Fuji Photo Film Co Ltd | Procede de traitement d'une image radiographique |
| JPS56104645A (en) * | 1979-12-25 | 1981-08-20 | Fuji Photo Film Co Ltd | Radiation picture treating method and its device |
| JPS5691735A (en) * | 1979-12-25 | 1981-07-24 | Fuji Photo Film Co Ltd | Method and apparatus for treating xxray image |
| JPS56121171A (en) * | 1980-02-27 | 1981-09-22 | Dainippon Screen Mfg Co Ltd | Input device for set item data in picture scanning recorder and filing method for said set item data |
| US4405920A (en) * | 1980-12-31 | 1983-09-20 | Naomi Weisstein | Enhancing the perceptibility of barely perceptible images |
| JPS57168579A (en) * | 1981-04-08 | 1982-10-16 | Fuji Photo Film Co Ltd | Method and device for reading of picture information |
| JPS5814270A (ja) * | 1981-07-17 | 1983-01-27 | Fuji Photo Film Co Ltd | 画像走査記録方法 |
| US4450478A (en) * | 1981-09-09 | 1984-05-22 | Georgetown University | Digital fluorographic method and system |
-
1982
- 1982-11-04 JP JP57193770A patent/JPS5983149A/ja active Granted
-
1983
- 1983-11-01 US US06/547,620 patent/US4641267A/en not_active Expired - Lifetime
- 1983-11-03 EP EP83110988A patent/EP0110185B1/en not_active Expired
- 1983-11-03 DE DE8383110988T patent/DE3369733D1/de not_active Expired
- 1983-11-03 DE DE198383110988T patent/DE110185T1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE110185T1 (de) | 1984-10-11 |
| EP0110185B1 (en) | 1987-02-04 |
| US4641267A (en) | 1987-02-03 |
| DE3369733D1 (en) | 1987-03-12 |
| EP0110185A1 (en) | 1984-06-13 |
| JPS5983149A (ja) | 1984-05-14 |
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