Underwater Image Enhancement Quality Evaluation : Benchmark Dataset and Objective Metric

Qiuping JIANG*, Yuese GU, Chongyi LI, Runmin CONG, Feng SHAO

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

98 Citations (Scopus)

Abstract

Due to the attenuation and scattering of light by water, there are many quality defects in raw underwater images such as color casts, decreased visibility, reduced contrast, et al. Many different underwater image enhancement (UIE) algorithms have been proposed to enhance underwater image quality. However, how to fairly compare the performance among UIE algorithms remains a challenging problem. So far, the lack of comprehensive human subjective user study with large-scale benchmark dataset and reliable objective image quality assessment (IQA) metric makes it difficult to fully understand the true performance of UIE algorithms. We in this paper make efforts in both subjective and objective aspects to fill these gaps. Firstly, we construct a new Subjectively-Annotated UIE benchmark Dataset (SAUD) which simultaneously provides real-world raw underwater images, readily available enhanced results by representative UIE algorithms, and subjective ranking scores of each enhanced result. Secondly, we propose an effective No-reference (NR) Underwater Image Quality metric (NUIQ) to automatically evaluate the visual quality of enhanced underwater images. Experiments on the constructed SAUD dataset demonstrate the superiority of our proposed NUIQ metric, achieving higher consistency with subjective rankings than 22 mainstream NR-IQA metrics. The dataset and source code will be made available at https://github.com/yia-yuese/SAUD-Dataset.

Original languageEnglish
Pages (from-to)5959-5974
Number of pages16
JournalIEEE Transactions on Circuits and Systems for Video Technology
Volume32
Issue number9
Early online date5 Apr 2022
DOIs
Publication statusPublished - Sept 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 1991-2012 IEEE.

Keywords

  • benchmark dataset
  • image enhancement
  • image quality assessment
  • pairwise comparison
  • Underwater image

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