DE3637054C2 - - Google Patents
Info
- Publication number
- DE3637054C2 DE3637054C2 DE3637054A DE3637054A DE3637054C2 DE 3637054 C2 DE3637054 C2 DE 3637054C2 DE 3637054 A DE3637054 A DE 3637054A DE 3637054 A DE3637054 A DE 3637054A DE 3637054 C2 DE3637054 C2 DE 3637054C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- image data
- maximum value
- data
- threshold 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
- 230000005284 excitation Effects 0.000 claims description 21
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000000638 stimulation Effects 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012015 optical character recognition Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60247798A JPH0732763B2 (ja) | 1985-11-02 | 1985-11-02 | 磁気共鳴イメ−ジング装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3637054A1 DE3637054A1 (de) | 1987-05-07 |
| DE3637054C2 true DE3637054C2 (enExample) | 1990-02-08 |
Family
ID=17168810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863637054 Granted DE3637054A1 (de) | 1985-11-02 | 1986-10-31 | Verfahren und vorrichtung fuer magnetresonanzabbildung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4746865A (enExample) |
| JP (1) | JPH0732763B2 (enExample) |
| DE (1) | DE3637054A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2642362B2 (ja) * | 1987-09-30 | 1997-08-20 | 株式会社東芝 | 磁気共鳴映像装置 |
| JPH01218439A (ja) * | 1988-02-26 | 1989-08-31 | Hitachi Ltd | 磁気共鳴イメージング装置 |
| US4857846A (en) * | 1988-03-31 | 1989-08-15 | The Regents Of The University Of California | Rapid MRI using multiple receivers producing multiply phase-encoded data derived from a single NMR response |
| US5528144A (en) * | 1994-07-29 | 1996-06-18 | Picker International, Inc. | Interleaved slab inversion for enhanced throughput in fluid attenuated inversion recovery imaging |
| DE102012215721A1 (de) * | 2012-09-05 | 2014-03-06 | Siemens Aktiengesellschaft | Vorrichtung, Verfahren und System zum Betreiben von bildgebenden Verfahren und Systemen |
| US10775463B2 (en) * | 2016-04-18 | 2020-09-15 | The Board Of Trustees Of The Leland Stanford Junior University | Method for estimating T2 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873909A (en) * | 1967-08-21 | 1975-03-25 | Varian Associates | Gyromagnetic apparatus employing computer means for correcting its operating parameters |
| US4070708A (en) * | 1976-09-01 | 1978-01-24 | Varian Associates, Inc. | Analytical instrument optimum data acquisition method and apparatus |
| JPS56153882A (en) * | 1980-04-28 | 1981-11-28 | Ricoh Co Ltd | Picture processing method |
-
1985
- 1985-11-02 JP JP60247798A patent/JPH0732763B2/ja not_active Expired - Lifetime
-
1986
- 1986-10-31 US US06/925,233 patent/US4746865A/en not_active Expired - Lifetime
- 1986-10-31 DE DE19863637054 patent/DE3637054A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4746865A (en) | 1988-05-24 |
| JPS62106754A (ja) | 1987-05-18 |
| DE3637054A1 (de) | 1987-05-07 |
| JPH0732763B2 (ja) | 1995-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8125 | Change of the main classification |
Ipc: G06F 15/68 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |