9,924 Hits in 4.7 sec

UIF: An Objective Quality Assessment for Underwater Image Enhancement [article]

Yannan Zheng, Weiling Chen, Rongfu Lin, Tiesong Zhao
2022 arXiv   pre-print
Recent efforts have also been contributed to evaluate and compare the UIE performances with subjective and objective methods.  ...  However, the subjective evaluation is time-consuming and uneconomic for all images, while existing objective methods have limited capabilities for the newly-developed UIE approaches based on deep learning  ...  Until now, the visual quality of images can be evaluated by Image Quality Assessment (IQA), whose popular works include subjective and objective methods.  ... 
arXiv:2205.09392v1 fatcat:idexthqf65gnbdvhxl5kv7zvpu

Utility-Oriented Underwater Image Quality Assessment Based on Transfer Learning [article]

Weiling Chen and Rongfu Lin and Honggang Liao and Tiesong Zhao and Ke Gu and Patrick Le Callet
2022 arXiv   pre-print
The widespread image applications have greatly promoted the vision-based tasks, in which the Image Quality Assessment (IQA) technique has become an increasingly significant issue.  ...  Based on this task, we build an Underwater Image Utility Database (UIUD) and a learning-based Underwater Image Utility Measure (UIUM).  ...  Here we reorganize its structure to evaluate the utilities of underwater images.  ... 
arXiv:2205.03574v1 fatcat:okc6x34u4nagveyg7bykiv3fmy

Twice Mixing: A Rank Learning based Quality Assessment Approach for Underwater Image Enhancement [article]

Zhenqi Fu, Xueyang Fu, Yue Huang, Xinghao Ding
2021 arXiv   pre-print
In this paper, we propose a novel rank learning guided no-reference quality assessment method for UIE.  ...  To improve the quality of underwater images, various kinds of underwater image enhancement (UIE) operators have been proposed during the past few years.  ...  Due to the lack of effective objective underwater image enhancement quality assessment (UIE-IQA) metrics, existing UIE methods rely on subjective comparisons to demonstrate the superiority of enhancement  ... 
arXiv:2102.00670v1 fatcat:76w5rp6wlzdjrps5jm3drgyrhy

Underwater No-Reference Image Quality Assessment for Display Module of ROV

Di Wu, Fei Yuan, En Cheng
2020 Scientific Programming  
The experimental results based on the underwater optical image quality database (UOQ) show that the proposed metric can provide an accurate prediction for the quality of the enhanced image.  ...  The optical images collected by remotely operated vehicles (ROV) contain a lot of information about underwater (such as distributions of underwater creatures and minerals), which plays an important role  ...  be enhanced or not and to monitor the quality of the enhanced image. e most accurate methods of image quality estimation are subjective image quality assessment (IQA).  ... 
doi:10.1155/2020/8856640 fatcat:vdlxkeak55btpjl3eaqeobbwsm

UID2021: An Underwater Image Dataset for Evaluation of No-reference Quality Assessment Metrics [article]

Guojia Hou, Yuxuan Li, Huan Yang, Kunqian Li, Zhenkuan Pan
2022 arXiv   pre-print
Achieving subjective and objective quality assessment of underwater images is of high significance in underwater visual perception and image/video processing.  ...  However, the development of underwater image quality assessment (UIQA) is limited for the lack of comprehensive human subjective user study with publicly available dataset and reliable objective UIQA metric  ...  (UIER) and underwater image quality assessment algorithms, respectively.  ... 
arXiv:2204.08813v1 fatcat:qyzxf6h74feabjjs3yihi4w4mi

Objectively assessing underwater image quality for the purpose of automated restoration

Weilin Hou, Alan D. Weidemann, Zia-ur Rahman, Stephen E. Reichenbach, Mark A. Neifeld
2007 Visual Information Processing XVI  
scattering and absorption by the medium strongly influence the imaging results even within short distances, it is critical to have access to an objective measure of the quality of images obtained.  ...  SUBJECT TERMS image quality, sharpness, restoration, underwater, MCM, WGSA, MTF, wavelet 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF 18. NUMBER 19a. NAME OF RESPONSIBLE PERSON a. REPORT b.  ...  For these reasons, it is necessary to develop a method to determine objectively the quality of resulting image that has closer ties with the environment.  ... 
doi:10.1117/12.717789 dblp:conf/spieVIP/HouW07 fatcat:2sezlfdek5g5hhz3qft2tfwbbq

Image Quality Assessment Method for Underwater Acoustic Communication Based on Digital Watermarking

YUAN Fei, YE Zheng-Shan, LIN Cong-Ren, CHENG En
2013 International Journal on Smart Sensing and Intelligent Systems  
This paper proposes a method of reduced-reference image quality assessment based on watermarking algorithm in underwater acoustic channel.  ...  In the receiver,we use the blind extraction methods to recover the watermark image and use the watermark degradation to evaluate the quality of the original one.  ...  INTRODUCTION The quality assessment methods can be classified into two types: subjective image quality assessment(SIQA) and objective image quality assessment(OIQA) [1] .  ... 
doi:10.21307/ijssis-2017-564 fatcat:zwuksm7ypjcynfiubscr24rgwi

Underwater image quality enhancement through Rayleigh-stretching and averaging image planes

Ahmad Shahrizan Abdul Ghani, Nor Ashidi Mat Isa
2014 International Journal of Naval Architecture and Ocean Engineering  
In this paper, a new approach for underwater image quality improvement is presented.  ...  The proposed method aims to improve underwater image contrast, increase image details, and reduce noise by applying a new method of using contrast stretching to produce two different images with different  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their valuable comments and suggestions that helped significantly improve this paper.  ... 
doi:10.2478/ijnaoe-2013-0217 fatcat:sx3dnapagzestok3ceg2o3oyq4

Underwater image quality enhancement through composition of dual-intensity images and Rayleigh-stretching

Ahmad Abdul Ghani, Nor Mat Isa
2014 SpringerPlus  
The quality of underwater image is poor due to the properties of water and its impurities.  ...  This paper proposes a method of enhancing the quality of underwater image. The proposed method consists of two stages.  ...  and Low Contrast Images".  ... 
doi:10.1186/2193-1801-3-757 pmid:25674483 pmcid:PMC4320174 fatcat:pr2ddrlpxzdhbpebs3shqulhe4

Underwater image quality enhancement through composition of dual-intensity images and Rayleigh-stretching

Ahmad Shahrizan Abdul Ghani, Nor Ashidi Mat Isa
2014 2014 IEEE Fourth International Conference on Consumer Electronics Berlin (ICCE-Berlin)  
The quality of underwater image is poor due to the properties of water and its impurities.  ...  This paper proposes a method of enhancing the quality of underwater image. The proposed method consists of two stages.  ...  and Low Contrast Images".  ... 
doi:10.1109/icce-berlin.2014.7034265 dblp:conf/icce-berlin/GhaniI14 fatcat:3gakaurnf5bmffsocphbewxr5y

Subjective and Objective Quality Evaluation for Underwater Image Enhancement and Restoration

Wenxia Li, Chi Lin, Ting Luo, Hong Li, Haiyong Xu, Lihong Wang
2022 Symmetry  
Therefore, a subjective evaluation dataset for an underwater image enhancement and restoration method is constructed, and on this basis, an objective quality evaluation method of underwater images, based  ...  To improve the quality of underwater images, underwater image enhancement and restoration methods have been proposed.  ...  Acknowledgments: The authors are deeply thankful to the reviewers and editors for their valuable suggestions to improve the quality of the paper.  ... 
doi:10.3390/sym14030558 fatcat:hsar5scfxfdftmy7726iwr42au

An Underwater Image Enhancement Algorithm Based on Generative Adversarial Network and Natural Image Quality Evaluation Index

Kai Hu, Yanwen Zhang, Chenghang Weng, Pengsheng Wang, Zhiliang Deng, Yunping Liu
2021 Journal of Marine Science and Engineering  
When underwater vehicles work, underwater images are often absorbed by light and scattered and diffused by floating objects, which leads to the degradation of underwater images.  ...  In this paper, several groups of experiments are compared, and through the subjective evaluation and objective evaluation indicators, it is verified that the enhanced image of this algorithm is better  ...  Subjective Assessment Table 4 . 4 NIQE index.Table 5. UCIQE index.  ... 
doi:10.3390/jmse9070691 fatcat:3f4wepgzkbdgnlegyl67esrxre

Performance Comparison of Convolutional Neural Network-based model using Gradient Descent Optimization algorithms for the Classification of Low Quality Underwater Images

2020 Journal of science and technolgy  
, stock assessment and abundance estimation.  ...  Underwater imagery and analysis plays a major role in fisheries management and fisheries science helping developing efficient and automated tools for cumbersome tasks such as fish species identification  ...  stock estimation, fish biomass monitoring, detection and classification of other underwater objects such as starfishes.  ... 
doi:10.46243/jst.2020.v5.i5.pp227-236 fatcat:ygz4pj37xzcv5eaa2wrixz3boe

Subjective and Objective Quality Assessment of Swimming Pool Images

Fei Lei, Shuhan Li, Shuangyi Xie, Jing Liu
2022 Frontiers in Neuroscience  
Extensive experimental results show that the proposed algorithm is superior to the most advanced image quality models in performance evaluation and the outcomes of subjective and objective quality assessment  ...  To filled this gap, in this paper we reported a new database of underwater swimming pool images for the first time, which is composed of 1500 images and associated subjective ratings recorded by 16 inexperienced  ...  the subjective IQA approach and the objective IQA method, and finally measured the error of the objective image quality score with MOS by using MSE and RMSE.  ... 
doi:10.3389/fnins.2021.766762 pmid:35087371 pmcid:PMC8787121 fatcat:bnupweh2xjcdbg7bhn4iy4ntpy

Quality Assessment for Comparing Image Enhancement Algorithms

Zhengying Chen, Tingting Jiang, Yonghong Tian
2014 2014 IEEE Conference on Computer Vision and Pattern Recognition  
A rank function is trained to fit the subjective assessment results, and can be used to predict ranks of new enhanced images which indicate the relative quality of enhancement algorithms.  ...  We construct a dataset which contains source images in bad visibility and their enhanced images processed by different enhancement algorithms, and then do subjective assessment in a pair-wise way to get  ...  Moreover, subjective quality assessment is time consuming and expensive, and the problem of objective quality assessment for enhanced images itself is quite challenging.  ... 
doi:10.1109/cvpr.2014.384 dblp:conf/cvpr/ChenJT14 fatcat:jbl2lwfomjaunow3bjp4cvmfly
« Previous Showing results 1 — 15 out of 9,924 results