English
Related papers

Related papers: Separated Attention: An Improved Cycle GAN Based U…

200 papers

Underwater imagery often suffers from severe degradation resulting in low visual quality and reduced object detection performance. This work aims to evaluate state-of-the-art image enhancement models, investigate their effects on underwater…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Ali Awad , Ashraf Saleem , Sidike Paheding , Evan Lucas , Serein Al-Ratrout , Timothy C. Havens

Unpaired image-to-image translation has broad applications in art, design, and scientific simulations. One early breakthrough was CycleGAN that emphasizes one-to-one mappings between two unpaired image domains via generative-adversarial…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Dmitrii Torbunov , Yi Huang , Haiwang Yu , Jin Huang , Shinjae Yoo , Meifeng Lin , Brett Viren , Yihui Ren

The challenges in recovering underwater images are the presence of diverse degradation factors and the lack of ground truth images. Although synthetic underwater image pairs can be used to overcome the problem of inadequately observing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Zhenwei Zhang , Haorui Yan , Ke Tang , Yuping Duan

Underwater optical imaging is severely degraded by light absorption, scattering, and color distortion, hindering visibility and accurate image analysis. This paper presents an adaptive enhancement framework integrating illumination…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Yuezhe Tian , Kangchen Yao , Xiaoyang Yu

We propose an efficient and generative augmentation approach to solve the inadequacy concern of underwater debris data for visual detection. We use cycleGAN as a data augmentation technique to convert openly available, abundant data of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Vaishnavi Khindkar , Janhavi Khindkar

Existing approaches for restoring weather-degraded images follow a fully-supervised paradigm and they require paired data for training. However, collecting paired data for weather degradations is extremely challenging, and existing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Rajeev Yasarla , Vishwanath A. Sindagi , Vishal M. Patel

Underwater image restoration attracts significant attention due to its importance in unveiling the underwater world. This paper elaborates on a novel method that achieves state-of-the-art results for underwater image restoration based on…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Junlin Han , Mehrdad Shoeiby , Tim Malthus , Elizabeth Botha , Janet Anstee , Saeed Anwar , Ran Wei , Lars Petersson , Mohammad Ali Armin

This paper addresses the challenging problem of image enhancement in complex underwater scenes by proposing a solution based on deep learning. The proposed method skillfully integrates two deep convolutional neural network models, VGG19 and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Aoqi Li , Yanghui Song , Jichao Dao , Chengfu Yang

Underwater images are usually covered with a blue-greenish colour cast, making them distorted, blurry or low in contrast. This phenomenon occurs due to the light attenuation given by the scattering and absorption in the water column. In…

Image and Video Processing · Electrical Eng. & Systems 2022-11-21 Salma Gonzalez-Sabbagh , Antonio Robles-Kelly , Shang Gao

Existing models for unsupervised image translation with Generative Adversarial Networks (GANs) can learn the mapping from the source domain to the target domain using a cycle-consistency loss. However, these methods always adopt a symmetric…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Hao Tang , Nicu Sebe

Enhancing underwater images is crucial for exploration. These images face visibility and color issues due to light changes, water turbidity, and bubbles. Traditional prior-based methods and pixel-based methods often fail, while deep…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Fanghai Yi , Zehong Zheng , Zexiao Liang , Yihang Dong , Xiyang Fang , Wangyu Wu , Xuhang Chen

Purpose: The objective of this work is to introduce an advanced framework designed to enhance ultrasound images, especially those captured by portable hand-held devices, which often produce lower quality images due to hardware constraints.…

Image and Video Processing · Electrical Eng. & Systems 2024-12-19 Shreeram Athreya , Ashwath Radhachandran , Vedrana Ivezić , Vivek Sant , Corey W. Arnold , William Speier

Underwater images often have severe quality degradation and distortion due to light absorption and scattering in the water medium. A hazed image formation model is widely used to restore the image quality. It depends on two optical…

Image and Video Processing · Electrical Eng. & Systems 2019-06-21 Wei Song , Yan Wang , Dongmei Huang , Antonio Liotta , Cristian Perra

The accuracy of the object detection model depends on whether the anchor boxes effectively trained. Because of the small number of GT boxes or object target is invariant in the training phase, cannot effectively train anchor boxes.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Wei Jiang , Na Ying

Magnetic Resonance Imaging (MRI) scans acquired from different scanners or institutions often suffer from domain shifts owing to variations in hardware, protocols, and acquisition parameters. This discrepancy degrades the performance of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mohd Usama , Belal Ahmad , Faleh Menawer R Althiyabi

In real-world underwater environment, exploration of seabed resources, underwater archaeology, and underwater fishing rely on a variety of sensors, vision sensor is the most important one due to its high information content, non-intrusive,…

Image and Video Processing · Electrical Eng. & Systems 2021-03-29 Nan Wang , Yabin Zhou , Fenglei Han , Haitao Zhu , Jingzheng Yao

Underwater imaging is essential for marine exploration, environmental monitoring, and infrastructure inspection. However, water causes severe image degradation through wavelength-dependent absorption and scattering, resulting in color…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Md. Mahbub Hasan Akash , Aria Tasnim Mridula , Sheekar Banerjee , Ishtiak Al Mamoon

To assist underwater object detection for better performance, image enhancement technology is often used as a pre-processing step. However, most of the existing enhancement methods tend to pursue the visual quality of an image, instead of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Yanling Qiu , Qianxue Feng , Boqin Cai , Hongan Wei , Weiling Chen

The degradation in the underwater images is due to wavelength-dependent light attenuation, scattering, and to the diversity of the water types in which they are captured. Deep neural networks take a step in this field, providing autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Rita Pucci , Christian Micheloni , Niki Martinel

Single image super-resolution (SISR) models are able to enhance the resolution and visual quality of underwater images and contribute to a better understanding of underwater environments. The integration of these models in Autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Alireza Aghelan , Modjtaba Rouhani