1) 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。
2) 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。
3) motor artifact
运动性伪影
4) respiratory motion artifacts
呼吸运动伪影
1.
Finally a summary and several promising approaches could be employed to correct the respiratory motion artifacts were given.
呼吸运动伪影使得PET图像质量下降,肿瘤体积的估计值偏高,肿瘤组织的放射性定量分析不准确,因此严重影响胸腹部肿瘤的诊断和治疗计划的制定。
5) translational motion artifact
平移运动伪影
1.
To correct translational motion artifacts,a correction method based on differential evolution algorithm is proposed.
为了校正MR图像平移运动伪影,本文提出了一种基于差分演化算法的校正方法。
6) rotational motion artifact
旋转运动伪影
补充资料：条纹伪影
条纹伪影
磁共振成像术语。MRI设备伪影之一。表现为正交或倾斜状条纹，与解剖结构有关；也可表现为在相位编码方向与解剖结构无关的条纹。前者为原始数据矩阵的单数据点或数据行错误所致，后者是由于射频(RF)受周围环境干扰所致。
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