| 不同螺距对螺旋CT图像噪声影响的实验研究 |
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| 引用本文： | 余晓锷,林意群,杨金城,陈红文. 不同螺距对螺旋CT图像噪声影响的实验研究[J]. 中国医学物理学杂志, 1999, 16(4): 218-219 |
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| 作者姓名： | 余晓锷 林意群 杨金城 陈红文 |
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| 作者单位： | 第一军医大学生物医学工程系(余晓锷，林意群)，珠江医院放射科(杨金城)，南方医院放疗科!广东广州510515(陈红文) |
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| 摘 要： | 噪声是影响ＣＴ图像质量的重要因素。本文通过改变螺距大小对螺旋ＣＴ图像的噪声进行了分析研究。结果表明，螺旋ＣＴ图像噪声与螺距大小有关。为了获得良好的ＣＴ图像，应该利用螺距来控制和减小螺旋ＣＴ图像的噪声。
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| 关 键 词： | 螺旋CT 噪声 螺距 |
| 文章编号： | 1005-202X（1999）04-0218-02 |
| 修稿时间： | 1998-12-20 |
Study of different pitch action on image noise in spiral CT |
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| YU Xiao e,LIN Yi qun,YANG Jin cheng CHEN Hong wen. Study of different pitch action on image noise in spiral CT[J]. Chinese Journal of Medical Physics, 1999, 16(4): 218-219 |
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| Authors: | YU Xiao e LIN Yi qun YANG Jin cheng CHEN Hong wen |
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| Affiliation: | YU Xiao-e , LIN Yi-qun , YANGJin-cheng CHEN Hong-wen;(Biomedical Engineering Departmentof First Military Medical University,Guangzhou 510515,China) |
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| Abstract: | Noise has profound influence on CT image quality. Image noise was studied with various pitches. The result shows that spiral CT image noise is related to the pitch. In order to obtain superb image quality, efforts should be made to control and reduce CT noise by using pitch. |
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| Keywords: | spiral CT noise pitch |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
