JPWO2019238466A5 - - Google Patents
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- JPWO2019238466A5 JPWO2019238466A5 JP2020568502A JP2020568502A JPWO2019238466A5 JP WO2019238466 A5 JPWO2019238466 A5 JP WO2019238466A5 JP 2020568502 A JP2020568502 A JP 2020568502A JP 2020568502 A JP2020568502 A JP 2020568502A JP WO2019238466 A5 JPWO2019238466 A5 JP WO2019238466A5
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- 238000002595 magnetic resonance imaging Methods 0.000 claims 20
- 230000000694 effects Effects 0.000 claims 17
- 238000002059 diagnostic imaging Methods 0.000 claims 16
- 238000013507 mapping Methods 0.000 claims 10
- 238000004422 calculation algorithm Methods 0.000 claims 9
- 238000003325 tomography Methods 0.000 claims 8
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims 3
- 210000004556 brain Anatomy 0.000 claims 2
- 238000004364 calculation method Methods 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 2
- 230000011218 segmentation Effects 0.000 claims 2
- 230000007177 brain activity Effects 0.000 claims 1
- 238000010801 machine learning Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
Claims (14)
医用撮像システムを制御するプロセッサと、
を含む、医用撮像システムであって、
前記機械実行可能命令の実行は、前記プロセッサに、
被験者の関心領域のＢ１位相マップの休止グループを受信させ、
前記被験者の前記関心領域のＢ１位相マップの活動グループを受信させ、
電気特性トモグラフィアルゴリズムに従って、Ｂ１位相マップの前記休止グループを使用して、前記関心領域の導電率マップの休止グループを計算させ、
前記電気特性トモグラフィアルゴリズムに従って、Ｂ１位相マップの前記活動グループを使用して、前記関心領域の前記導電率マップの活動グループを計算させ、
前記導電率マップの前記休止グループ及び前記導電率マップの前記活動グループを使用して、前記関心領域の導電率変化マッピングを計算させる、
医用撮像システム。 Memory for storing machine-executable instructions and
The processor that controls the medical imaging system and
Is a medical imaging system, including
Execution of the machine-executable instruction is performed by the processor.
Receive a dormant group of B1 phase maps of the subject's region of interest
Receive the activity group of the B1 phase map of the subject's region of interest.
According to the electrical characteristic tomography algorithm, the dormant group of the B1 phase map is used to calculate the dormant group of the conductivity map of the region of interest.
According to the electrical property tomography algorithm, the activity group of the B1 phase map is used to calculate the activity group of the conductivity map of the region of interest.
The dormant group of the conductivity map and the activity group of the conductivity map are used to calculate the conductivity change mapping of the region of interest.
Medical imaging system.
前記関心領域内の各ボクセルに組織タイプを割り当てる組織セグメンテーションを受信させ、
前記ラプラシアンを計算する前に、前記組織セグメンテーションを使用して各ボクセルを囲むボクセルの前記カーネルを調整させ、
各ボクセルを囲むボクセルの前記カーネルは、前記カーネル内のすべてのボクセルが同じ組織タイプを有するように調整される、
請求項５に記載の医用撮像システム。 Execution of the machine-executable instruction further applies to the processor.
Receive an organizational segmentation that assigns an organizational type to each voxel in the region of interest.
Prior to calculating the Laplacian, the tissue segmentation was used to tune the kernel of the voxels surrounding each voxel.
The kernel of voxels surrounding each voxel is adjusted so that all voxels in the kernel have the same tissue type.
The medical imaging system according to claim 5.
前記関心領域のマグニチュード画像を受信させ、
前記マグニチュード画像及び前記導電率変化マッピングをディスプレイ上にレンダリングさせ、
前記導電率変化マッピングは前記マグニチュード画像に重ねられることと、前記導電率変化マッピング及び前記マグニチュード画像は同じスケールで隣接する領域に表示されることとのうちのいずれか１つである、
請求項１から６のいずれか一項に記載の医用撮像システム。 Execution of the machine-executable instruction further applies to the processor.
A magnitude image of the region of interest is received and
The magnitude image and the conductivity change mapping are rendered on a display.
The conductivity change mapping is superimposed on the magnitude image, or the conductivity change mapping and the magnitude image are displayed in adjacent regions on the same scale.
The medical imaging system according to any one of claims 1 to 6.
前記被験者の前記関心領域を記述するＢ１位相マッピング磁気共鳴撮像プロトコルに従って取得された磁気共鳴撮像データを受信させ、
前記磁気共鳴撮像データの一部を、前記被験者の休止状態又は前記被験者の活動状態に割り当てるメタデータを受信させ、
前記磁気共鳴撮像データの前記一部から、前記被験者の前記関心領域の複数のＢ１磁気共鳴位相マップを再構成させ、
前記メタデータを使用して前記複数のＢ１磁気共鳴位相マップのそれぞれを割り当てることにより、Ｂ１位相マップの前記活動グループ及びＢ１位相マップの前記休止グループを構成させる、請求項１から７のいずれか一項に記載の医用撮像システム。 Execution of the machine-executable instruction further applies to the processor.
Receive magnetic resonance imaging data acquired according to the B1 phase mapping magnetic resonance imaging protocol that describes the subject's region of interest.
Receive metadata that allocates a portion of the magnetic resonance imaging data to the dormant state of the subject or the active state of the subject.
A plurality of B1 magnetic resonance phase maps of the subject's region of interest are reconstructed from the part of the magnetic resonance imaging data.
One of claims 1 to 7, wherein the activity group of the B1 phase map and the dormant group of the B1 phase map are configured by assigning each of the plurality of B1 magnetic resonance phase maps using the metadata. The medical imaging system described in the section.
前記磁気共鳴撮像システムを制御させて、前記被験者インジケータが前記休止状態と前記活動状態とを交互にする間、前記磁気共鳴撮像データを繰り返し取得させ、
前記磁気共鳴撮像データの前記取得中に、前記被験者インジケータに一致するように、前記磁気共鳴撮像データの前記メタデータを生成させる、
請求項９又は１０に記載の医用撮像システム。 The magnetic resonance imaging system further includes a subject indicator indicating the dormant state and the active state to the subject, and execution of the machine executable instruction further to the processor.
The magnetic resonance imaging system is controlled to repeatedly acquire the magnetic resonance imaging data while the subject indicator alternates between the dormant state and the active state.
During the acquisition of the magnetic resonance imaging data, the metadata of the magnetic resonance imaging data is generated so as to match the subject indicator.
The medical imaging system according to claim 9 or 10.
被験者の関心領域のＢ１位相マップの休止グループを受信するステップと、
前記被験者の前記関心領域のＢ１位相マップの活動グループを受信するステップと、
電気特性トモグラフィアルゴリズムに従って、Ｂ１位相マップの前記休止グループを使用して、前記関心領域の導電率マップの休止グループを計算するステップと、
前記電気特性トモグラフィアルゴリズムに従って、Ｂ１位相マップの前記活動グループを使用して、前記関心領域の導電率マップの活動グループを計算するステップと、
導電率マップの前記休止グループ及び導電率マップの前記活動グループを使用して、前記関心領域の導電率変化マッピングを計算するステップと、
を含む、方法。 It is a method of operating a medical imaging system.
The step of receiving the rest group of the B1 phase map of the subject's region of interest,
The step of receiving the activity group of the B1 phase map of the subject's region of interest,
Using the dormant group of the B1 phase map according to the electrical characteristic tomography algorithm, the step of calculating the dormant group of the conductivity map of the region of interest.
The step of calculating the activity group of the conductivity map of the region of interest using the activity group of the B1 phase map according to the electrical property tomography algorithm.
Using the rest group of the conductivity map and the activity group of the conductivity map to calculate the conductivity change mapping of the region of interest,
Including, how.
被験者の関心領域のＢ１位相マップの休止グループを受信させ、
前記被験者の前記関心領域のＢ１位相マップの活動グループを受信させ、
電気特性トモグラフィアルゴリズムに従って、Ｂ１位相マップの前記休止グループを使用して、前記関心領域の導電率マップの休止グループを計算させ、
前記電気特性トモグラフィアルゴリズムに従って、Ｂ１位相マップの前記活動グループを使用して、前記関心領域の導電率マップの活動グループを計算させ、
導電率マップの前記休止グループ及び導電率マップの前記活動グループを使用して、前記関心領域の導電率変化マッピングを計算させる、
コンピュータプログラム。 A computer program that includes machine-executable instructions for execution by a processor that controls a medical imaging system, wherein the machine-executable instructions are executed by the processor.
Receive a dormant group of B1 phase maps of the subject's region of interest
Receive the activity group of the B1 phase map of the subject's region of interest.
According to the electrical characteristic tomography algorithm, the dormant group of the B1 phase map is used to calculate the dormant group of the conductivity map of the region of interest.
According to the electrical characteristic tomography algorithm, the activity group of the B1 phase map is used to calculate the activity group of the conductivity map of the region of interest.
The dormant group of the conductivity map and the activity group of the conductivity map are used to calculate the conductivity change mapping of the region of interest.
Computer program.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18176929.0 | 2018-06-11 | ||
| EP18176929.0A EP3581090A1 (en) | 2018-06-11 | 2018-06-11 | Electrical properties tomography mapping of conductivity changes |
| PCT/EP2019/064432 WO2019238466A1 (en) | 2018-06-11 | 2019-06-04 | Electrical properties tomography mapping of conductivity changes |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021527470A JP2021527470A (en) | 2021-10-14 |
| JPWO2019238466A5 true JPWO2019238466A5 (en) | 2022-06-10 |
| JP7418357B2 JP7418357B2 (en) | 2024-01-19 |
Family
ID=62630943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020568502A Active JP7418357B2 (en) | 2018-06-11 | 2019-06-04 | Electrical property tomography mapping of conductivity changes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20210259569A1 (en) |
| EP (1) | EP3581090A1 (en) |
| JP (1) | JP7418357B2 (en) |
| CN (1) | CN112292067A (en) |
| DE (1) | DE112019002932T5 (en) |
| WO (1) | WO2019238466A1 (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6397095B1 (en) * | 1999-03-01 | 2002-05-28 | The Trustees Of The University Of Pennsylvania | Magnetic resonance—electrical impedance tomography |
| JP3635332B2 (en) * | 2003-03-20 | 2005-04-06 | 独立行政法人情報通信研究機構 | Head wearing equipment |
| US7769438B2 (en) * | 2004-10-15 | 2010-08-03 | Brainlab Ag | Method and device for determining the location of electrical activity of nerve cells |
| WO2007043462A1 (en) * | 2005-10-12 | 2007-04-19 | Tokyo Denki University | Brain function analysis method and brain function analysis program |
| JP5465089B2 (en) * | 2010-05-31 | 2014-04-09 | キヤノン株式会社 | Visual stimulus presentation device for brain function measurement, functional magnetic resonance imaging device, magnetoencephalograph, brain function measurement method |
| US20120157817A1 (en) * | 2010-12-21 | 2012-06-21 | Tucker Don M | Methods for using electrical impedance tomography |
| JP6030143B2 (en) * | 2011-10-18 | 2016-11-24 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | MR electrical property tomography |
| US20160061921A1 (en) * | 2013-03-29 | 2016-03-03 | Koninklijke Philips N.V. | Amide proton transfer (apt) and electric properties tomography (ept) imaging in a single mr acquisition |
| US9949691B2 (en) * | 2013-11-22 | 2018-04-24 | Mc10, Inc. | Conformal sensor systems for sensing and analysis of cardiac activity |
| CN106232002B (en) * | 2014-04-16 | 2019-09-03 | 皇家飞利浦有限公司 | The EPT method that the conductivity of stability and speed with enhancing is rebuild |
| EP3198292B1 (en) * | 2014-09-26 | 2020-11-11 | Koninklijke Philips N.V. | Imaging system for single voxel spectroscopy |
| WO2016116545A1 (en) * | 2015-01-21 | 2016-07-28 | Koninklijke Philips N.V. | Mri method for calculating derived values from b0 and b1 maps |
| US11089970B2 (en) * | 2015-06-12 | 2021-08-17 | Koninklijke Philips N.V. | Imaging fluid flow into a region of interest |
| EP3196666A1 (en) * | 2016-01-20 | 2017-07-26 | Universität Bern | Magnetic resonance imaging method for detecting neuronal activity in a subject's brain |
-
2018
- 2018-06-11 EP EP18176929.0A patent/EP3581090A1/en not_active Withdrawn
-
2019
- 2019-06-04 CN CN201980039506.4A patent/CN112292067A/en active Pending
- 2019-06-04 US US16/973,795 patent/US20210259569A1/en active Pending
- 2019-06-04 DE DE112019002932.0T patent/DE112019002932T5/en active Pending
- 2019-06-04 JP JP2020568502A patent/JP7418357B2/en active Active
- 2019-06-04 WO PCT/EP2019/064432 patent/WO2019238466A1/en active Application Filing
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