ISSN 1004-4140
CN 11-3017/P
Volume 10 Issue 4
Dec.  2001
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Zu Donglin, He Qiang, Luo Qingfei, Jin Zhen, Bao Shanglian. The Correction of Motion Artifact with fMRI Using Image Registration[J]. CT Theory and Applications, 2001, 10(4): 1-3.
Citation: Zu Donglin, He Qiang, Luo Qingfei, Jin Zhen, Bao Shanglian. The Correction of Motion Artifact with fMRI Using Image Registration[J]. CT Theory and Applications, 2001, 10(4): 1-3.
shu

The Correction of Motion Artifact with fMRI Using Image Registration

  • 1. Institute of Heavy Ion Physics, Peking University, Beijing, 100871;

  • 2. MRI Department of 306 Hospital of PLA, Beijing, 100101

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  • Received Date: September 27, 2001
  • Available Online: December 28, 2022
    Graphical Abstract
    • Abstract
  • We consider human head as a rigid body, so the six parameters(3 of translation, 3 of rotation) that describe rigid body transformation can be applied to image registration. At first, the six parameters are given an initial value respectively. Then, they are optimized iteratively. The most optimized parameters are determined when we get the sum of squared differences between source image(the image to be registered) and reference image. After the acusector sting fMRI images are processed by 3D registration, most motion artifact can be eliminated, and the effect is satisfied.
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