Single Image De-haze Based On a New Dark Channel Estimation Method
会议名称：《2012 IEEE International Conference on Computer Science and Automation Engineering（CSAE 2012）》
会议日期：2012年
学科分类：11[军事学] 0810[工学-信息与通信工程] 1105[军事学-军队指挥学] 08[工学] 080203[工学-机械设计及理论] 0802[工学-机械工程] 081002[工学-信号与信息处理] 110503[军事学-军事通信学]
基 金：supported by National Natural Science Funding of China,No. 61172179,30900328 Fundamental Research Funds for the Central Universities 2011121051
关 键 词：de-haze fog dark channel prior image restoration bilateral filter.
摘 要：The image quality is effected dramatically by the weather conditions such as haze,fog and smoke in surveillance or vehicle *** this paper,we propose a novel algorithm to remove haze from a single image.A new dark channel estimation method is employed by subtracting three times variance from mean to approximate the minimum value,which is defined as the dark channel in a local *** achieve anisotropic local mean and variance,a fast bilateral filter is *** complexity is a linear function of the size of the image,which makes real-time visibility restoration *** with existing algorithm based on dark channel prior,the proposed algorithm have better performance by reducing the halos introduced by large patches very well with less computational cost.