1) motion artifact suppression technique
运动伪影抑制技术
2) motion artifact
运动伪影
1.
Elimination of Motion Artifacts in Magnetic Resonance Imaging
磁共振成像中的运动伪影消除方法研究
2.
Methods By analyzing the different features of read-out and phase-encoding axis motions,the different axis motion artifacts can be canceled by different algorithms in two steps.
目的从成像空间出发,提出了一种新的纠正MRI刚性平移运动伪影的方法。
3.
There were obvious motion artifacts caused by the motions of eyeballs,pulsates of ce.
常规的FSE图像中,眼球的转动造成明显的运动伪影,脑积液的搏动伪影也非常明显;而在Propeller FSE T2W序列扫描结果中,这两种运动伪影都被消除了。
3) Motion artifacts
运动伪影
1.
Objective To explore a method that restrain and dispel motion artifacts of MRI examination for better image quality and higher working efficiency.
目的:探索一种能有效抑制和消除颅脑MRI运动伪影产生的方法,以提高图像质量和工作效率。
2.
Multishot PROPELLER (periodically rotated overlapping parallel lines with enhanced reconstruction) approach, a self-navigation fast spin echo technique, is effective in suppression motion artifacts using segmental phase corrections and oversampling at the central k-space.
在磁共振成像数据采集过程中,病人如有自主或不自主的运动,则重建的图像会产生运动伪影。
3.
Results:Compared with the unsorted CT data the motion artifacts in resorted CT data reduced a lot.
结果:不同相位CT序列的三维重建明显地消除了运动伪影,与静态扫描重建结果相近。
4) Cerebrospinal Fluid Artifact Suppression Technique
脑脊液伪像抑制技术
5) Blood Flow Artifact Suppression Technique
血流伪像抑制技术
6) motor artifact
运动性伪影
补充资料:部分容积效应伪影
部分容积效应伪影
超声学术语。声束宽度在非聚焦区可达几毫米至1cm以上,当其遇到小于声束切面厚度的病灶时,在声像图上出现病灶区与其周围区回声相互重叠的图像而造成的伪影。这可导致例如小囊肿内部存在有细小光点而误认为实质性肿物的分析错误。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条