Novel method of uneven illumination image enhancement

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (23): 204-207.

• 图形、图像、模式识别 • Previous Articles Next Articles

Novel method of uneven illumination image enhancement

ZHAO Jingdong

School of Mathematical Sciences，Qufu Normal University，Qufu，Shandong 273165，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-08-11 Published:2011-08-11

一种新的非均匀照度图像增强方法

赵京东

曲阜师范大学数学科学学院，山东曲阜 273165

Abstract

Abstract: A brightness transfer function is constructed based on the double bit-planes.Using this function and the fast partial histogram equalization，which solves the problem of uneven illumination image enhancement.The algorithm first extracts the brightness and contrast bit-planes，and using these bit-planes to transform the brightness of original image，and then，using fast partial histogram equalization to enhance the transformed image.

Key words: bit-plane, histogram equalization, interpolation

摘要： 构造一类基于双层位平面的亮度变换函数，结合快速局部值直方图均衡化算法，很好地解决了非均匀照度下图像对比度的增强问题。该算法首先提取图像的亮度位平面和对比度位平面，用这两个位平面对原始图像进行亮度变换，然后，利用快速局部值方图均衡化算法对变换后的图像进行增强。

关键词: 位平面, 直方图均衡化, 插值

ZHAO Jingdong. Novel method of uneven illumination image enhancement[J]. Computer Engineering and Applications, 2011, 47(23): 204-207.

赵京东. 一种新的非均匀照度图像增强方法[J]. 计算机工程与应用, 2011, 47(23): 204-207.

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Novel method of uneven illumination image enhancement

一种新的非均匀照度图像增强方法

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