| 一种恢复数字化畸变凸性图像的算法 |
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| 引用本文： | 闵乐泉,张晓丹.一种恢复数字化畸变凸性图像的算法[J].北京科技大学学报,2001,23(6):573-576. |
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| 作者姓名： | 闵乐泉 张晓丹 |
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| 作者单位： | 北京科技大学应用科学学院,北京,100083 |
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| 基金项目： | 国家自然科学基金;60074034; |
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| 摘 要： | 介绍了一种恢复数字化畸变凸性图像的算法-增强算子，讨论该方法增强和恢复被高斯噪声畸变的凸性数字化图像的原理，并通过计算机模拟实例验证了增强算子处理畸变凸性数字化像点的有效性，该方法已用于处理Al-Mn-Si准晶的数字化高分辨电子显微镜（HREM）像，揭示了HREM像中的周期性特征。
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| 关 键 词： | 数字化图像 恢复凸性 计算机模拟 畸变凸性图像 增强算子 图像处理 |
| 修稿时间： | 2001年2月19日 |
A Method for Restoring Digitized Images with Degraded Convex Dots |
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| MIN Lequan,ZHANG Xiaodan Applied Science School,UST Beijing,Beijing ,China.A Method for Restoring Digitized Images with Degraded Convex Dots[J].Journal of University of Science and Technology Beijing,2001,23(6):573-576. |
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| Authors: | MIN Lequan ZHANG Xiaodan Applied Science School UST Beijing Beijing China |
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| Institution: | MIN Lequan,ZHANG Xiaodan Applied Science School,UST Beijing,Beijing 100083,China |
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| Abstract: | An algorithm named enhancing operator for restoring digitized images with degraded convex is introduced.The principle of the enhancing operator for enhancing and restoring digitized images with con- vex bright-dots perturbed by additive Gaussian noise is discussed. The computer simulation show that the al- gorithm has good functions for noise reduction,restoration and enhancement of convex image spots in digitized images. The enhancing operator has been previously used to process the digitized high-resolution electron microscopic (HREM) images of Al-Mn-Si quasicrystal and discovered the periodic characteristics in the HREM images. |
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| Keywords: | digitized image restoring convexity compute simulation quasicrystal |
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