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Image Haze Removal Using Dark Channel Prior Technology with Adaptive Mask Size

Wen-Chang Cheng, Hung-Chou Hsiao, Wei-Lin Huang, Cheng-Hsiung Hsieh
2020 Sensors and materials  
Image dehazing is a crucial technique in the study of computer vision. The most widely used image dehazing approach is the dark channel prior (DCP) method proposed by He et al. [IEEE Trans.  ...  Because a DCP-based method generates halo artifacts under certain conditions, this study aims to solve this problem and propose a DCP-based method that uses a mask with an adaptive size.  ...  research is partially sponsored by Chaoyang University of Technology (CYUT) and Higher Education Sprout Project Ministry of Education, Taiwan, under the project "The R&D and the cultivation of talent for  ... 
doi:10.18494/sam.2020.2593 fatcat:37gi6mqer5fbxd47s2blibx47e

A Review: Underwater Image Enhancement using Dark Channel Prior with Gamma Correction

Omkar G. Powar
2017 International Journal for Research in Applied Science and Engineering Technology  
The dark channel prior removes haze and noise effect, providing better visual quality with adaptive exposure map estimation for adjusting too dark and too bright regions of underwater image.  ...  The noise particles are removed before dehazing by implementing distance factor based on intensities of different color channels with gamma correction improving the brightness of dimmed images.  ...  CONCLUSION This paper proposes a novel approach for underwater image enhancement based on dark channel dehazing method along with gamma correction that improves the contrast and brightness of the dimmed  ... 
doi:10.22214/ijraset.2017.3077 fatcat:ngnjl4qdizdgjdoakzvw244byi

Adaptive Tolerance Dehazing Algorithm Based on Dark Channel Prior

Fan Yang, ShouLian Tang
2020 Algorithms  
The tolerance mechanism based on dark channel prior (DCP) of a single image dehazing algorithm is less effective when there are large areas of the bright region in the hazy image because it cannot obtain  ...  The experimental results show that the proposed algorithm not only maintains high operational efficiency but also effectively compensates for the defects of the dark channel prior to some scenes.  ...  Therefore, this paper improves the dehazing algorithm based on a dark channel prior.  ... 
doi:10.3390/a13020045 fatcat:25c7edbrwbcrxbctu2j2erqlpy

A Comprehensive Study on Various Haze Removal and Visibility Restoration Techniques for Image Processing

2017 International Journal for Research in Applied Science and Engineering Technology  
In this paper we have analyze various hazed removal techniques like Dark Chanel Prior method (DCP), Contrast limited adaptive histogram equalization (CLAHE).  ...  Many researchers have proposed various method/Algorithms for improvement in the hazed images and get the better results using various restoration techniques.  ...  Bin Xie et al (2010) has been proposed an improved image dehazing algorithm using dark channel prior and Multi-Scale Retinex.  ... 
doi:10.22214/ijraset.2017.8229 fatcat:mw6gw6iqw5hv7hpdgccespqnye

Single Image Dehazing Using Adaptive Restoration Factor in Dark Channel Prior

Er. Paramjeet Kaur, Er. Nishi
2015 International Journal of Software Engineering and Its Applications  
Firstly, we use the dark channel prior method to compute dark channel in the hazy image and secondly, ant colony optimization algorithm is applied to make restoration factor for hazy images, adaptive between  ...  In this paper, we propose an efficient haze removal technique which integrates dark channel prior with an ant colony optimization algorithm.  ...  The dark channel prior method may be invalid when the scene object is similar to the airlight. In [9] Jin-Bao Wang, et al., improve the dark channel prior by working on two factors.  ... 
doi:10.14257/ijseia.2015.9.8.13 fatcat:2fmlhlgekrfjrbf6itd4na5m3q

Wavelength-Adaptive Dehazing Using Histogram Merging-Based Classification for UAV Images

Inhye Yoon, Seokhwa Jeong, Jaeheon Jeong, Doochun Seo, Joonki Paik
2015 Sensors  
Based on the wavelength-adaptive hazy image acquisition model, the proposed dehazing algorithm consists of three steps: (i) image segmentation based on geometric classes; (ii) generation of the context-adaptive  ...  Enhancement of hazy images is an important task in improving the visibility of various UAV images.  ...  Long et al. proposed an improved dehazing algorithm using the dark channel prior and a low-pass Gaussian filter for remote sensing images [10] .  ... 
doi:10.3390/s150306633 pmid:25808767 pmcid:PMC4435169 fatcat:ectj2gyjbbdapbrdnxe63oc2wy

Region Adaptive Single Image Dehazing

Changwon Kim
2021 Entropy  
This paper proposes a new single-image dehazing method that combines dark channel prior with bright channel prior in order to overcome the limitations of dark channel prior.  ...  However, dark channel prior tends to underestimate transmissions of bright areas or objects, which may cause color distortions during dehazing.  ...  series expansion, according to an approach based on dark channel prior.  ... 
doi:10.3390/e23111438 pmid:34828136 pmcid:PMC8622803 fatcat:qxig5lmg6bhmhjifyeio7s6vwu

Unsupervised single image dehazing with generative adversarial network

Wei Ren, Li Zhou, Jie Chen
2022 Multimedia Systems  
Moreover, a dark channel prior based attention mechanism is applied to handle inconsistency haze. We conduct experiments on RESIDE datasets.  ...  Real paired datasets can help to improve performance, but are tough to acquire. This paper proposes an unsupervised dehazing algorithm based on GAN to alleviate this issue.  ...  An enhancing coefficient is thus trained to make the dark-channel more adaptable as Eq. ( 5 ) indicates.  ... 
doi:10.1007/s00530-021-00852-z fatcat:cvi4udexrzexde3igjh2ycf7gq

Single Image Haze Removal: Comparative Studies with Advanced Matting Approaches

Yerkebulan Toleyev, Wenze Shao
2018 Journal of Physics, Conference Series  
To alleviate the difficulty of the inverse problem, the dark channel prior (DCP) was previsouly proposed and received much attention.  ...  After a series of experiments we decided to combine two methods forming an estimated semi-automatic algorithm for finding the corresponding values.  ...  The Dark Channel Prior for Image Dehazing: a Brief Introduction The dark channel prior (DCP) is based on the statistics of haze-free outdoor images.  ... 
doi:10.1088/1742-6596/1069/1/012145 fatcat:d3m34ypgw5fybfzj5yjtfcd5ta

IMAGE FAST DEHAZING ALGORITHM BASED ON DARK CHANNEL PRIOR IMPROVEMENT

J. W. Li, L. Liu, J. W. Jiang, Y. Hu, X. Q. Han, F. X. Li
2020 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The experimental results show that compared with the dark channel prior defogging algorithm and other image dehazing algorithms, the image fast dehazing algorithm based on dark channel prior improvement  ...  function for dark channel prior image is proposed.  ...  [4] proposed an image dehazing method based on the dark channel prior theory, and estimated the medium propagation function to optimize it, which can obtain better experimental results, but only a rough  ... 
doi:10.5194/isprs-archives-xlii-3-w10-585-2020 fatcat:yti4wdoht5dbhkehg36miuhfx4

Dehazing Effects on Image and Video using AHE, CLAHE and Dark Channel Prior

2020 International Journal of Engineering and Advanced Technology  
In this paper discussion and e relative study of Adaptive Histogram Equalization (AHE) as well as Contrast limited adaptive histogram equalization (CLAHE) and dark channel prior (DCP).  ...  This article suggest image and video dehazing technique working on DCP method.  ...  This article, presents a real-time image enhancement approach using an improved dark channel prior type depend on atmospheric scattering nature [7] .  ... 
doi:10.35940/ijeat.c4833.029320 fatcat:ignh7bxenrg43bu5cpxq2mknd4

Efficient Traffic Video Dehazing Using Adaptive Dark Channel Prior and Spatial–Temporal Correlations

Tianyang Dong, Guoqing Zhao, Jiamin Wu, Yang Ye, Ying Shen
2019 Sensors  
In order to restore traffic videos with different degrees of haziness in a real-time and adaptive manner, this paper presents an efficient traffic video dehazing method using adaptive dark channel prior  ...  This method uses a haziness flag to measure the degree of haziness in images based on dark channel prior.  ...  Up until now, other researchers have improved their dehazing algorithms based on the dark channel prior. Yeh et al.  ... 
doi:10.3390/s19071593 fatcat:3xl6rwnjazfmvp3mykxow2jj4a

Improved Color Attenuation Prior for Single-Image Haze Removal

Dat Ngo, Gi-Dong Lee, Bongsoon Kang
2019 Applied Sciences  
This paper proposes a single image haze removal algorithm that shows a marked improvement on the color attenuation prior-based method.  ...  The proposed algorithm also is computationally friendly, due to the use of an efficient quad-decomposition algorithm for atmospheric light estimation and a simple modified hybrid median filter for depth  ...  Table 7 . 7 Processing time in seconds of Dark Channel Prior (DCP), Filtering-based Fast Dehazing (FFD), Color Attenuation Prior (CAP), Hazy Particle Map (HPM), and Improved Color Attenuation Prior  ... 
doi:10.3390/app9194011 fatcat:zpnzkriwsjgcnfmmw7nxv43vyu

A Visibility Restoration Algorithm for Real-World Hazy Scenes

Sanjay Sharma, Padma J., Samta Gajbhiye
2017 International Journal of Computer Applications  
Therefore visibility improvement, contrast and features enhancement of images and videos captured in bad weather are also called as dehazing, is an inevitable task.  ...  Limited visibility is caused by suspended particles in the air, such as fog and haze are a major problem for many applications of computer vision.  ...  It proposed an effective method to adapt the patch size of dark channel and the filtering radius of guided filter.  ... 
doi:10.5120/ijca2017914422 fatcat:yrimtoo6rvcs5od2fztqow6r7e

Simulation of Hazy Image and Validation of Haze Removal Technique

Aditi Sarker, Morium Akter, Mohammad Shorif Uddin
2019 Journal of Computer and Communications  
The effectiveness of dark-channel dehazing method is confirmed using the simulated haze images through average gradient metric, as haze reduces the gradient score.  ...  To address this issue, in this work synthetic haze images with various haze concentrations are simulated and then used to confirm the validation task of dark-channel dehazing mechanism, as it is a very  ...  Fatal [7] developed an independent component analysis based dehazing technique using single image. He et al. [8] first developed a single image-based dark channel prior for haze removal.  ... 
doi:10.4236/jcc.2019.72005 fatcat:jfkj2vb2lrgtbgezogdfgsw53m
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