天空区域分割修正的图像去雾新算法

doi:10.19665/j.issn1001-2400.2019.02.027

Abstract

Abstract:

In order to solve the problems of the detailed information loss, the low atmospheric light intensity estimation and the poor defogging effect in the sky region based on the dark channel prior image defogging algorithm, this paper proposes a new color image defogging algorithm for sky region segmentation correction. Based on the dark channel prior algorithm, the dark channel and bright channel prior model is linearly weighted with a parameter. This paper also proposes a new sky region correction model based on weighted average fusion of the COPLIP model and the MSR model. Compared with the existing dehazing algorithm, experimental results show that the new algorithm can overcome the problem of poor effect in the sky region. In addition, the paper also validates the effectiveness of the new algorithm by objective evaluation indicators.

Key words: image defogging, parameter-driven, sky region segmentation correction, image fusion

CLC Number:

TP391.41

BAO Wanting,WANG Junping,WEI Shulei,LI Yanbo,ZHOU Yong. Novel image defogging algorithm for sky region segmentation correction[J].Journal of Xidian University, 2019, 46(2): 164-169.

Figures/Tables 5

References 18

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M	STD	AG	IE	MSE	PSNR	SSIM	EPI	PAIDM
1.0	1.0000	1.0000	0.0000	1.0000	0.0000	0.0000	1.0000	0.0000
0.9	0.8962	0.8606	0.0532	0.7405	0.0100	0.1907	0.8660	0.4042
0.8	0.7923	0.7394	0.1039	0.5268	0.2130	0.3677	0.7457	0.9438
0.7	0.7444	0.6182	0.2496	0.3548	0.3392	0.5326	0.6349	1.4943
0.6	0.5801	0.5091	0.4123	0.7322	0.4906	0.6821	0.5324	1.4096
0.5	0.4692	0.4121	0.5256	0.1234	0.5763	0.8093	0.4357	2.2334
0.4	0.3517	0.3152	0.6248	0.0574	0.6746	0.9107	0.3376	2.4820
0.3	0.2231	0.2061	0.7781	0.0161	0.8098	0.9777	0.2280	2.7507
0.2	0.1145	0.1152	0.8967	0.0000	0.9449	1.0000	0.1262	2.9451
0.1	0.0462	0.0485	0.9527	0.0010	1.0000	0.9983	0.0541	2.9906
0.0	0.0000	0.0000	1.0000	0.0073	0.9875	0.9863	0.0000	2.9665

算法	IE	PSNR	SSIM	EPI
FATTAL	8.3852	16.6203	0.6451	1.9277
MSR	14.7031	17.6591	0.7774	3.4981
HE	11.4709	53.7415	0.9386	2.9339
新算法	14.3740	68.8075	0.9994	1.0940

Novel image defogging algorithm for sky region segmentation correction

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References 18

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