直方图均衡化的Matlab实现
首发时间:2007-07-24
摘要:探讨了直方图的理论基础,直方图均衡化的概念及理论,以Matlab为平台,对某地区遥感TM单波段遥感影像进行直方图均衡化的实验,并给出了具体程序、实验结果图像、直方图及变换函数,实验结果表明,原来偏暗的且对比度较低的图像经过直方图均衡化后图像的对比度及平均亮度明显提高,直方图均衡化处理能有效改善灰度图像的对比度差和灰度动态范围。
关键词: 图像增强 直方图 均衡化 Matlab
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Adaptive Histogram Equalization and Its Realization with MATLAB
Abstract:Discussed the theory of histogram,the concept and theory of adaption histogram equalization,based on matlab,do experiment on one area TM image with adaption histogram equalization,and give the concretely procedure,experiment result image,histograms and transform function. The experiment result show that by the theory of adaption histogram equalization the contrast and the average brightness improved remarkable. Adaption histogram equalization can improve image contrast and average brightness effectively.
Keywords: image enhancement histograms equalization MATLAB
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