| 基于拉格朗日插值的射线图像增强技术 |
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| 引用本文： | 桂志国,张鹏程,韩焱,王明泉. 基于拉格朗日插值的射线图像增强技术[J]. 半导体技术, 2009, 34(11). DOI: 10.3969/j.issn.1003-353x.2009.11.015 |
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| 作者姓名： | 桂志国 张鹏程 韩焱 王明泉 |
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| 作者单位： | 中北大学,电子测试技术国家重点实验室,太原,030051;中北大学,电子测试技术国家重点实验室,太原,030051;中北大学,电子测试技术国家重点实验室,太原,030051;中北大学,电子测试技术国家重点实验室,太原,030051 |
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| 基金项目： | 国家重点基金资助项目，山西省高等学校科技项目资助 |
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| 摘 要： | 研究了基于拉格朗日插值的射线图像增强算法,根据射线图像有偏暗、偏亮和灰度集中在某一范围内三种情况,研究了三阶拉格朗日插值算法;根据输入、输出灰度的变换关系,生成图像灰度变换的查找表.该算法简单易行,便于硬件实现,对处于不同灰度范围内的射线图像均达到了较好的增强效果.目前,该算法已在VC++6.0编程环境中编程实现.并在x射线实时成像系统中得到应用.实验证明这种方法是可行的.
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| 关 键 词： | 射线图像 图像增强 拉格朗日插值 |
Radiographic Image Enhancement Based on Lagrange Interpolation |
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| Gui Zhiguo,Zhang Pengcheng,Han Yan,Wang Mingquan. Radiographic Image Enhancement Based on Lagrange Interpolation[J]. Semiconductor Technology, 2009, 34(11). DOI: 10.3969/j.issn.1003-353x.2009.11.015 |
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| Authors: | Gui Zhiguo Zhang Pengcheng Han Yan Wang Mingquan |
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| Abstract: | Radiographic image enhancement based on Lagrange interpolation was studied.First, according to three phenomena of radiographic image gray level: dark, bright or eentered on some range, three order Lagrange interpolation was studied.Secondly, according to the transformation function of input-output gray level, table look-ups were acquired.The method can be easily achieved by hardware. Meanwhile, the users can obtain satisfactory enhancement result with radiographic image of different gray level range. The algorithm is realized in VC ++ 6.0 language and is applied currently in X-ray real-time imaging inspection system. The experimental results show the effectiveness of the method. |
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| Keywords: | radiographic image image enhancement Lagrange interpolation |
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