JPS6323593B2 - - Google Patents
Info
- Publication number
- JPS6323593B2 JPS6323593B2 JP54087805A JP8780579A JPS6323593B2 JP S6323593 B2 JPS6323593 B2 JP S6323593B2 JP 54087805 A JP54087805 A JP 54087805A JP 8780579 A JP8780579 A JP 8780579A JP S6323593 B2 JPS6323593 B2 JP S6323593B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- log
- signal
- smin
- image
- 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
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 46
- 230000005855 radiation Effects 0.000 claims description 43
- 230000005284 excitation Effects 0.000 claims description 11
- 238000003672 processing method Methods 0.000 claims description 5
- 238000004020 luminiscence type Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 5
- 229910052771 Terbium Inorganic materials 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000009607 mammography Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Radiography Using Non-Light Waves (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8780579A JPS5611348A (en) | 1979-07-11 | 1979-07-11 | Gradation processing method of radiation picture |
| US06/168,799 US4346406A (en) | 1979-07-11 | 1980-07-11 | Gradation processing method for a radiation image recording system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8780579A JPS5611348A (en) | 1979-07-11 | 1979-07-11 | Gradation processing method of radiation picture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5611348A JPS5611348A (en) | 1981-02-04 |
| JPS6323593B2 true JPS6323593B2 (en, 2012) | 1988-05-17 |
Family
ID=13925185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8780579A Granted JPS5611348A (en) | 1979-07-11 | 1979-07-11 | Gradation processing method of radiation picture |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4346406A (en, 2012) |
| JP (1) | JPS5611348A (en, 2012) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5889244A (ja) * | 1981-11-25 | 1983-05-27 | 富士写真フイルム株式会社 | 放射線画像情報読取方法 |
| JPS58201169A (ja) * | 1982-05-19 | 1983-11-22 | Fuji Photo Film Co Ltd | 画像デ−タ処理装置 |
| JPS5983150A (ja) * | 1982-11-04 | 1984-05-14 | Fuji Photo Film Co Ltd | 感光材料階調補正方法 |
| JPS60125056A (ja) * | 1983-12-12 | 1985-07-04 | Fuji Photo Film Co Ltd | 放射線画像情報読取装置 |
| JPS60156055A (ja) * | 1984-01-26 | 1985-08-16 | Fuji Photo Film Co Ltd | 放射線画像情報読取条件決定方法 |
| US4628357A (en) * | 1984-02-10 | 1986-12-09 | Elscint, Ltd. | Digital fluorographic systems |
| JPS60181739A (ja) * | 1984-02-28 | 1985-09-17 | Fuji Photo Film Co Ltd | 放射線画像情報読取条件及び／又は画像処理条件決定方法 |
| EP0163903B1 (en) * | 1984-04-23 | 1991-06-05 | Fuji Photo Film Co., Ltd. | Density correcting method and apparatus for subtraction image |
| US4675739A (en) * | 1984-05-04 | 1987-06-23 | Energy Conversion Devices, Inc. | Integrated radiation sensing array |
| EP0328165B1 (en) * | 1984-07-31 | 1997-10-29 | Fuji Photo Film Co., Ltd. | Method of detecting an exposure field of an image in an image read-out process |
| US4767927A (en) * | 1984-08-16 | 1988-08-30 | Kabushiki Kaisha Toshiba | Apparatus for reading radiation image information stored in imaging plate |
| US4628356A (en) * | 1984-10-15 | 1986-12-09 | Imagex, Inc. | Digital X-ray scanner |
| JPS6292659A (ja) * | 1985-10-18 | 1987-04-28 | Fuji Photo Film Co Ltd | 放射線画像情報読取方法 |
| US4905265A (en) * | 1985-12-11 | 1990-02-27 | General Imaging Corporation | X-ray imaging system and solid state detector therefor |
| US4736397A (en) * | 1985-12-16 | 1988-04-05 | Applied Intellegent Systems, Inc. | Radiation image inspection apparatus |
| US4918669A (en) * | 1988-04-01 | 1990-04-17 | Halliburton Logging Services, Inc. | Method and apparatus for sonic dip measurement |
| US5142557A (en) * | 1990-12-21 | 1992-08-25 | Photometrics Ltd. | CCD and phosphor screen digital radiology apparatus and method for high resolution mammography |
| US5596200A (en) * | 1992-10-14 | 1997-01-21 | Primex | Low dose mammography system |
| JP3456032B2 (ja) * | 1994-05-09 | 2003-10-14 | 富士写真フイルム株式会社 | 画像処理方法 |
| JP3901770B2 (ja) * | 1996-10-21 | 2007-04-04 | 富士フイルム株式会社 | エネルギーサブトラクション処理方法および装置 |
| US7211818B2 (en) | 1999-03-24 | 2007-05-01 | Fujifilm Corporation | Image read-out method and system, solid image sensor, and image detecting sheet |
| TWI285871B (en) * | 1999-05-10 | 2007-08-21 | Matsushita Electric Ind Co Ltd | Image display device and method for displaying image |
| US7248726B2 (en) | 2001-03-21 | 2007-07-24 | Fujifilm Corporation | Energy subtraction processing method and apparatus |
| CN115561800A (zh) * | 2022-09-26 | 2023-01-03 | 中国原子能科学研究院 | 用于回旋加速器的高动态范围扫描式束流诊断电子学系统 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859527A (en) * | 1973-01-02 | 1975-01-07 | Eastman Kodak Co | Apparatus and method for producing images corresponding to patterns of high energy radiation |
-
1979
- 1979-07-11 JP JP8780579A patent/JPS5611348A/ja active Granted
-
1980
- 1980-07-11 US US06/168,799 patent/US4346406A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4346406A (en) | 1982-08-24 |
| JPS5611348A (en) | 1981-02-04 |
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