摘要
本文重点阐述和分析了CT图像中的几种噪声产生的原因和对图像的影响,并结合笔者多年的维修经验,从理论和实际相结合,介绍了几种实用的维修方法,提出了减小噪声提高图像质量的有效措施。
The article mainly expounded them. Combined with author＇s maintenance and analyzed several reasons of noises in CT images and the affection of experience in many years, several methods of reducing noises in CT images were introduced in aspects of theory and practice. Effective measures were put forward to reduce noises and improve quality of CT images.
出处
《医疗设备信息》
2005年第11期50-51,共2页
Information of Medical Equipment
关键词
噪声
动态
静态
空间分辨率
words
noise
dynamic state
static state
space resolution
