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中文摘要：
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。
英文摘要：
Radiographic image enhancement based on Lagrange interpolation was studied. First, according to three phenomena of radiographic image gray level： dark, bright or centered 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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Non-uniformity emendation technique for amorphous silicon flat-panel detectors used for industrial X
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