摘要
原始的仿生彩色图像增强算法存在边缘效应和缺乏自适应性等不足.提出一种改进算法,通过改进全局亮度调整的方法来增强算法在不同场景的适应能力,同时采用能够抑制梯度反转的引导滤波器来估计邻域平均亮度,从而避免伪边缘现象.该方法对于大部分非均匀光照的图像具有出众的视觉效果.
The original bio-inspired algorithm for color image enhancement has the edge effect and lack of self adaptability.In this paper,the global brightness adjustment method is used to enhance the adaptability of the algorithm in different scenes,at the same time,we can estimate the average brightness of the neighborhood by using the guide filter which can suppress the gradient inversion,so as to avoid the false edge phenomenon.The improved method has a superior visual effect for most non-uniform illumination images.
出处
《闽江学院学报》
2017年第5期49-55,共7页
Journal of Minjiang University
关键词
图像增强
颜色恢复
自适应
引导滤波器
image enhancement
color restoration
self-adaption
guide filter
