| 一种基于映射阈值的图像增强方法 |
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| 引用本文： | 李仁和.一种基于映射阈值的图像增强方法[J].微电子学与计算机,2010,27(11). |
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| 作者姓名： | 李仁和 |
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| 作者单位： | 淮安信息职业技术学院;江苏省电子产品装备制造工程研发中心; |
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| 基金项目： | 国家"八六三"计划项目 |
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| 摘 要： | 针对灰度变换中映射范围难以确定的问题,提出了一种利用映射阈值进行图像增强的新方法.在直方图灰度的映射变换过程中,自动搜索目标区和背景区峰值间的最低点,并将其作为阈值进行关于图像灰度范围的映射,以调整图像的灰度覆盖范围,从而实现图像的亮度和对比度增强.实验分析表明,该方法能够调整图像增强后的灰度动态范围,取得比常规直方图灰度变换更好的增强效果.新方法解决了映射变换中的灰度范围确定问题,是一种有效的图像增强方法.
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| 关 键 词： | 图像增强 灰度变换 映射阈值 |
A Novel Method of Image Enhancement Based on Mapping Threshold |
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| LI Ren-he.A Novel Method of Image Enhancement Based on Mapping Threshold[J].Microelectronics & Computer,2010,27(11). |
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| Authors: | LI Ren-he |
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| Affiliation: | LI Ren-he1,2(1 Huai'an College of Information Technology,Huai'an 223003,China,2 Jiangsu R&D Center of Electronics Equipment Manufacturing Engineering,China) |
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| Abstract: | Aiming at the difficulty in determining the mapping range in gray-level transformation,a novel image enhancement method based on mapping threshold is proposed. The lowest point between target area and background area is searched automatically in the mapping transformation of histogram gray-level. Then it is operated as a threshold for mapping of image gray-level scale so as to adjust the gray coverage of the image. Finally,the brightness and contrast of the image are improved. Experiment analysis demonstrat... |
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| Keywords: | image enhancement gray-level transformation mapping threshold |
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