探讨MRI白噪声伪影的产生机理和消除方法  

Discussion on Production and Elimination of MRI White Noise Artifacts

作　　者：杨成才[1] 

机构地区：[1]福建省肿瘤医院设备科,福建福州350012

出　　处：《中国医疗设备》2013年第4期116-117,共2页China Medical Devices

摘　　要：目的消除或减少白伪影对磁共振设备的干扰。方法通过自诊断软件或专用工具测试、查找产生白噪声的干扰源,再通过分析和经验总结,对其进行消弱或排除。结果很好排除或减少了白噪声对磁共振图像的影响,提高机器的工作效率,增强图像诊断的可靠性。结论用科学方法进行合理分析,对于一些较为复杂的问题解决,会起很好的引导和预防作用。Objective To eliminate or reduce the interference of white noise artifacts. Methods Tested through a self-diagnostic software or special tools, in order to find the interference source of the white noise. Further, it will be weakened or excluded through analysis and experience summary. Results The impact of white noise on magnetic resonance images was eliminated or reduced, and the working efficiency was improved, further, the reliability of diagnostic imaging was enhanced. Conclusion With scientific method and rational analysis, it is beneficial to solve some complex problems.

关 键 词：白噪声 伪影干扰 原始数据 磁共振图像 

分 类 号：R445.22[医药卫生—影像医学与核医学]