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Author:

林盘 (林盘.) | 窦顺阳 (窦顺阳.) | 王雪丽 (王雪丽.) | 李承宇 (李承宇.)

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incoPat WF

Abstract:

基于field map对fMRI中的几何畸变伪影进行校正的方法,多通道相控阵线圈图像(幅值图和相位图)的重建,对幅值图进行分割做掩膜、对相位图进行相位去卷绕,field map的生成,field map的去噪声,生成体素位移图和进行几何畸变校正;在field map去噪声的过程中,依据噪声来源不同,分别采用腐蚀的幅值图做掩膜去除边缘噪声和用去尖峰、中值滤波和高斯平滑方法去除内部噪声,两种方法的结合有效的去除了field map的噪声,利用field map对功能磁共振图像的校正效果明显,简单高效,具有很高的信噪比,能很好地改善其图像品质。

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Patent Info :

Type: 发明专利

Patent No.: CN201610517065.2

Filing Date: 2016-07-04

Publication Date: 2016-12-07

Pub. No.: CN106204475A

Applicants: 西安交通大学

Legal Status: 在审

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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