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Magnetic Resonance Imaging Protocol for Segmentation of Image Details
专利权人:
コーニンクレッカ フィリップス エヌ ヴェ
发明人:
ヤシンスキ,ラドゥ セルバン,ラメリクス,ルドルフ マティアス ヨハンネス ニコラース,ブールネルト,ペーテル,ヤシンスキ,ラドゥ セルバン,ラメリクス,ルドルフ マティアス ヨハンネス ニコラース,ブールネルト,ペーテル
申请号:
JP2017522636
公开号:
JP2017532152A
申请日:
2015.10.30
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
The magnetic resonance imaging protocol includes an acquisition segment that controls the acquisition sequence to acquire magnetic resonance signals with a low main magnetic field strength. The reconstruction segment controls the reconstruction of diagnostic magnetic resonance images from magnetic resonance signals at low main magnetic field strength. The segmentation segment controls the segmentation of predetermined image details of the diagnostic magnetic resonance image. In the magnetic resonance imaging protocol, the acquisition sequence has a group of imaging parameters, and the group of imaging parameters makes the image quality of the diagnostic magnetic resonance image similar to the image quality of the magnetic resonance training image. The segmentation segment is: (i) an initialization that controls access to a group of magnetic resonance training images acquired in a main field of higher main magnetic field strength; (ii) for one or more magnetic resonance training images Registration of diagnostic magnetic resonance images; (iii) Segmentation optimization applied to diagnostic magnetic resonance images to segment predetermined image details from the aligned diagnostic magnetic resonance images. The one or more magnetic resonance training images include image details corresponding to predetermined image details in the diagnostic magnetic resonance image. In particular, magnetic resonance training magnetic resonance images are acquired with a high magnetic field strength of 7T, and the level of fineness facilitates accurate segmentation of the hippocampus, especially from diagnostic magnetic resonance images with a low magnetic field strength of 3T. Diagnostic magnetic resonance images are acquired so that they are similar to the training magnetic resonance images.磁気共鳴撮像プロトコルは、低いメイン磁場強度で磁気共鳴信号を取得するように取得シーケンスを制御する取得セグメントを含む。再構築セグメントは、低いメイン磁場強度での磁気共鳴信号から、診断磁気共鳴画像を再構築することを制御する。セグメンテーション・セグメントは、診断磁気共鳴画像のうちの所定の画像細部のセグメンテーションを制御する。磁気共鳴撮像プロトコルでは、取得シーケンスは一群の撮像パラ
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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