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http://dx.doi.org/10.5909/JBE.2016.21.5.770

Improved Dark Channel Prior Dehazing Algorithm by using Compensation of Haze Rate Miscalculated Area  

Kim, Jong-Hyun (Soongsil University School of Electronic Engineering)
Cha, Hyung-Tai (Soongsil University Electronic and Information Engineering)
Publication Information
Journal of Broadcast Engineering / v.21, no.5, 2016 , pp. 770-781 More about this Journal
Abstract
As a result of reducing color information and edge information, object distinction in haze image occurs with difficulty. One of the famous defogging algorithm is haze removal by using 'Dark Channel Prior(DCP)', which is used to predict for transmission rate using color information of an image and eliminates haze from the image. But, In case that haze rate is estimated under color information, there is a miscalculated issue which is posed by haze rate and transmission in area with high brightness such as a white object or a light source. In this paper, We deal with a miscalculated issue by correcting from around haze rate, after application of color normalization used by main white part of image haze. Moreover, We calculation improved transmission based on the result of improved haze rate estimation. And then haze image quality is developed through refining transmission.
Keywords
Haze removal; Dark channel prior; Interpolation; Erode; Saturation; Guided filter;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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