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Real-world radar signals are frequently corrupted by various artifacts, including sensor noise, echoes, interference, and intentional jamming, differing in type, severity, and duration. This pilot study introduces a novel model, called…

机器学习 · 计算机科学 2025-01-29 Muhammad Uzair Zahid , Serkan Kiranyaz , Alper Yildirim , Moncef Gabbouj

Underwater imagery is often compromised by factors such as color distortion and low contrast, posing challenges for high-level vision tasks. Recent underwater image restoration (UIR) methods either analyze the input image at full…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Alik Pramanick , Arijit Sur , V. Vijaya Saradhi

Visual inspection of underwater structures by vehicles, e.g. remotely operated vehicles (ROVs), plays an important role in scientific, military, and commercial sectors. However, the automatic extraction of information using software tools…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Yousif Hashisho , Mohamad Albadawi , Tom Krause , Uwe Freiherr von Lukas

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…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Junlin Han , Mehrdad Shoeiby , Tim Malthus , Elizabeth Botha , Janet Anstee , Saeed Anwar , Ran Wei , Lars Petersson , Mohammad Ali Armin

Due to the uneven absorption of different light wavelengths in aquatic environments, underwater images suffer from low visibility and clear color deviations. With the advancement of autonomous underwater vehicles, extensive research has…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Zengxi Zhang , Zeru Shi , Zhiying Jiang , Jinyuan Liu

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…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Zhenwei Zhang , Haorui Yan , Ke Tang , Yuping Duan

Images acquired during underwater activities suffer from environmental properties of the water, such as turbidity and light attenuation. These phenomena cause color distortion, blurring, and contrast reduction. In addition, irregular…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Claudio D. Mello , Bryan U. Moreira , Paulo J. O. Evald , Paulo L. Drews , Silvia S. Botelho

Underwater image restoration is of significant importance in unveiling the underwater world. Numerous techniques and algorithms have been developed in the past decades. However, due to fundamental difficulties associated with…

图像与视频处理 · 电气工程与系统科学 2021-06-22 Junlin Han , Mehrdad Shoeiby , Tim Malthus , Elizabeth Botha , Janet Anstee , Saeed Anwar , Ran Wei , Mohammad Ali Armin , Hongdong Li , Lars Petersson

Background: Underwater images, in general, suffer from low contrast and high color distortions due to the non-uniform attenuation of the light as it propagates through the water. In addition, the degree of attenuation varies with the…

图像与视频处理 · 电气工程与系统科学 2022-01-20 Prasen Kumar Sharma , Ira Bisht , Arijit Sur

Underwater image enhancement (UIE) poses challenges due to distinctive properties of the underwater environment, including low contrast, high turbidity, visual blurriness, and color distortion. In recent years, the application of deep…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Wangzhen Peng , Chenghao Zhou , Runze Hu , Jingchao Cao , Yutao Liu

Underwater degraded images greatly challenge existing algorithms to detect objects of interest. Recently, researchers attempt to adopt attention mechanisms or composite connections for improving the feature representation of detectors.…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Chenping Fu , Wanqi Yuan , Jiewen Xiao , Risheng Liu , Xin Fan

Local and non-local attention-based methods have been well studied in various image restoration tasks while leading to promising performance. However, most of the existing methods solely focus on one type of attention mechanism (local or…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Chong Mou , Jian Zhang , Xiaopeng Fan , Hangfan Liu , Ronggang Wang

Detecting camouflaged objects in underwater environments is crucial for marine ecological research and resource exploration. However, existing methods face two key challenges: underwater image degradation, including low contrast and color…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Xinxin Huang , Han Sun , Junmin Cai , Ningzhong Liu , Huiyu Zhou

Recent work showed neural-network-based approaches to reconstructing images from compressively sensed measurements offer significant improvements in accuracy and signal compression. Such methods can dramatically boost the capability of…

图像与视频处理 · 电气工程与系统科学 2020-04-29 Fangliang Bai , Jinchao Liu , Xiaojuan Liu , Margarita Osadchy , Chao Wang , Stuart J. Gibson

Underwater imagery often exhibits distorted coloration as a result of light-water interactions, which complicates the study of benthic environments in marine biology and geography. In this research, we propose an algorithm to restore the…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Tianyi Zhang , Matthew Johnson-Roberson

Underwater Image Restoration (UIR) remains a challenging task in computer vision due to the complex degradation of images in underwater environments. While recent approaches have leveraged various deep learning techniques, including…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Xiaojiao Guo , Yihang Dong , Xuhang Chen , Weiwen Chen , Zimeng Li , FuChen Zheng , Chi-Man Pun

Underwater image enhancement plays a crucial role in providing reliable visual information for underwater platforms, since strong absorption and scattering in water-related environments generally lead to image quality degradation. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Yiqiang Zhou , Yifan Chen , Zhe Sun , Jijun Lu , Ye Zheng , Xuelong Li

Underwater images suffer severe degradation due to wavelength-dependent attenuation, scattering, and illumination non-uniformity that vary across water types and depths. We propose an unsupervised Domain-Invariant Visual Enhancement and…

图像与视频处理 · 电气工程与系统科学 2026-02-02 Rajini Makam , Sharanya Patil , Dhatri Shankari T M , Suresh Sundaram , Narasimhan Sundararajan

Robust vision restoration of underwater images remains a challenge. Owing to the lack of well-matched underwater and in-air images, unsupervised methods based on the cyclic generative adversarial framework have been widely investigated in…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Shuaizheng Yan , Xingyu Chen , Zhengxing Wu , Min Tan , Junzhi Yu

Blind single image super-resolution (SISR) is a challenging task in image processing due to the ill-posed nature of the inverse problem. Complex degradations present in real life images make it difficult to solve this problem using na\"ive…

图像与视频处理 · 电气工程与系统科学 2024-04-26 Hasan F. Ates , Suleyman Yildirim , Bahadir K. Gunturk
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