| 低强度又射线影像系统的信噪比分析 |
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| 引用本文： | 但唐仁 李野 等. 低强度又射线影像系统的信噪比分析[J]. 长春理工大学学报(自然科学版), 2002, 25(3): 26-28 |
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| 作者姓名： | 但唐仁 李野 等 |
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| 作者单位： | [1]长春理工大学电子信息工程学院，吉林长春130022 [2]长春理工大学理学分院 |
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| 摘 要： | 分析X射线系统的噪声来源，以一维方波图象为例，推导了其噪声表达式，得出图像传递信噪比。根据图象传递信噪比函数，讨论了入射线影像系统所能探测图象的极限。
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| 关 键 词： | X射线像管 噪声 图像传递信噪比 |
| 文章编号： | 1004-485X(2002)03-0026-03 |
| 修稿时间： | 2002-05-16 |
An Analyse of Signal-to-Noise Ratio About Low Intensity X-ray Imaging System |
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| DAN Tangren,LI ye,LU Yaohua,JIANG Delong. An Analyse of Signal-to-Noise Ratio About Low Intensity X-ray Imaging System[J]. Journal of Changchun University of Science and Technology, 2002, 25(3): 26-28 |
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| Authors: | DAN Tangren LI ye LU Yaohua JIANG Delong |
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| Affiliation: | College of Electronics and Information Engineering of Changchun University of Science and Technology |
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| Abstract: | The noise source of the X-ray image system is explained detail. Based on the image of, the noise of output image and the signal-to-noise ratio of image passing is deduced. The paper discusses the detecting limit of image about the X-ray image system according to the signal-to-noise ratio of image passing. |
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| Keywords: | X-ray image tube Noise Signal-to-noise ratio of image passing |
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