| 数字X射线图象的面不同一性校正研究 |
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| 引用本文： | 赵瑾,朱煜,梁诚,高敦岳.数字X射线图象的面不同一性校正研究[J].光子学报,2002,31(10):1244-1247. |
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| 作者姓名： | 赵瑾 朱煜 梁诚 高敦岳 |
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| 作者单位： | 华东理工大学信息学院588#,上海,200237 |
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| 摘 要： | 分析了数字X射线图象中面不同一性产生的原因,并从原理发出,采用曲面拟合的背景校正方法进行校正.实验表明该方法可以有效消除随机噪音对背景校正的影响,更好地提取出背景的不同一性特征信息,具有良好的校正效果.
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| 关 键 词： | 数字X射线图象 面不同一性 曲面拟合 |
| 收稿时间： | 2002/1/10 |
| 修稿时间： | 2002年1月10日 |
THE UNEVEN SURFACE ISSUE AND ITS CALIBRATION METHOD IN THE DIGITAL X-RAY IMAGE |
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| Zhao Jin,Zhu Yu,Liang Cheng,Gao Dunyue East China University of Science and Technology,Shanghai ,China.THE UNEVEN SURFACE ISSUE AND ITS CALIBRATION METHOD IN THE DIGITAL X-RAY IMAGE[J].Acta Photonica Sinica,2002,31(10):1244-1247. |
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| Authors: | Zhao Jin Zhu Yu Liang Cheng Gao Dunyue East China University of Science and Technology Shanghai China |
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| Institution: | Zhao Jin,Zhu Yu,Liang Cheng,Gao Dunyue East China University of Science and Technology,Shanghai 200237,China |
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| Abstract: | The uneven surface issue in the X ray image has been studied,and a calibration method of curved surface fitting is used based on its principle.The experiment result shows that the method has the ability of removing effectively the random noise with good calibration. |
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| Keywords: | Digital X ray image Uneven surface issue Curved surface fit |
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